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3 Commits

Author SHA1 Message Date
5f8321cf62 fix 2023-09-05 20:33:36 +05:30
dc6b0be87d fix 2023-09-05 20:29:10 +05:30
3b350ee904 ci: disable comment for bundle size check 2023-09-05 20:26:35 +05:30
683 changed files with 17519 additions and 32870 deletions

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@ -6,6 +6,6 @@
!.prettierrc
!package.json
!public/
!packages/
!src/
!tsconfig.json
!yarn.lock

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@ -10,11 +10,6 @@ VITE_APP_WS_SERVER_URL=http://localhost:3002
# set this only if using the collaboration workflow we use on excalidraw.com
VITE_APP_PORTAL_URL=
VITE_APP_PLUS_LP=https://plus.excalidraw.com
VITE_APP_PLUS_APP=https://app.excalidraw.com
VITE_APP_AI_BACKEND=http://localhost:3015
VITE_APP_FIREBASE_CONFIG='{"apiKey":"AIzaSyCMkxA60XIW8KbqMYL7edC4qT5l4qHX2h8","authDomain":"excalidraw-oss-dev.firebaseapp.com","projectId":"excalidraw-oss-dev","storageBucket":"excalidraw-oss-dev.appspot.com","messagingSenderId":"664559512677","appId":"1:664559512677:web:a385181f2928d328a7aa8c"}'
# put these in your .env.local, or make sure you don't commit!

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@ -5,16 +5,11 @@ VITE_APP_LIBRARY_URL=https://libraries.excalidraw.com
VITE_APP_LIBRARY_BACKEND=https://us-central1-excalidraw-room-persistence.cloudfunctions.net/libraries
VITE_APP_PORTAL_URL=https://portal.excalidraw.com
VITE_APP_PLUS_LP=https://plus.excalidraw.com
VITE_APP_PLUS_APP=https://app.excalidraw.com
VITE_APP_AI_BACKEND=https://oss-ai.excalidraw.com
# Fill to set socket server URL used for collaboration.
# Meant for forks only: excalidraw.com uses custom VITE_APP_PORTAL_URL flow
VITE_APP_WS_SERVER_URL=
VITE_APP_FIREBASE_CONFIG='{"apiKey":"AIzaSyAd15pYlMci_xIp9ko6wkEsDzAAA0Dn0RU","authDomain":"excalidraw-room-persistence.firebaseapp.com","databaseURL":"https://excalidraw-room-persistence.firebaseio.com","projectId":"excalidraw-room-persistence","storageBucket":"excalidraw-room-persistence.appspot.com","messagingSenderId":"654800341332","appId":"1:654800341332:web:4a692de832b55bd57ce0c1"}'
VITE_APP_PLUS_APP=https://app.excalidraw.com
VITE_APP_DISABLE_TRACKING=

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@ -5,4 +5,4 @@ package-lock.json
firebase/
dist/
public/workbox
packages/excalidraw/types
src/packages/excalidraw/types

BIN
.github/assets/logo.png vendored Normal file

Binary file not shown.

After

Width:  |  Height:  |  Size: 20 KiB

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@ -44,7 +44,7 @@ jobs:
- name: Auto release preview
id: "autorelease"
run: |
yarn add @actions/core -W
yarn add @actions/core
yarn autorelease preview ${{ github.event.issue.number }}
- name: Post comment post release
if: always()

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@ -16,7 +16,7 @@ jobs:
- name: Install and lint
run: |
yarn install
yarn --frozen-lockfile
yarn test:other
yarn test:code
yarn test:typecheck

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@ -22,11 +22,11 @@ jobs:
- name: Create report file
run: |
yarn locales-coverage
FILE_CHANGED=$(git diff packages/excalidraw/locales/percentages.json)
FILE_CHANGED=$(git diff src/locales/percentages.json)
if [ ! -z "${FILE_CHANGED}" ]; then
git config --global user.name 'Excalidraw Bot'
git config --global user.email 'bot@excalidraw.com'
git add packages/excalidraw/locales/percentages.json
git add src/locales/percentages.json
git commit -am "Auto commit: Calculate translation coverage"
git push
fi

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@ -3,6 +3,10 @@ on:
pull_request:
branches:
- master
permissions:
pull-requests: read
jobs:
size:
runs-on: ubuntu-latest
@ -15,14 +19,16 @@ jobs:
uses: actions/setup-node@v3
with:
node-version: 18.x
- name: Install in packages/excalidraw
run: yarn
working-directory: packages/excalidraw
- name: Install
run: yarn --frozen-lockfile
- name: Install in src/packages/excalidraw
run: yarn --frozen-lockfile
working-directory: src/packages/excalidraw
env:
CI: true
- uses: andresz1/size-limit-action@v1
with:
github_token: ${{ secrets.GITHUB_TOKEN }}
build_script: build:esm
build_script: build:umd
skip_step: install
directory: packages/excalidraw
directory: src/packages/excalidraw

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@ -16,7 +16,7 @@ jobs:
with:
node-version: "18.x"
- name: "Install Deps"
run: yarn install
run: yarn --frozen-lockfile
- name: "Test Coverage"
run: yarn test:coverage
- name: "Report Coverage"

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@ -13,5 +13,5 @@ jobs:
node-version: 18.x
- name: Install and test
run: |
yarn install
yarn --frozen-lockfile
yarn test:app

5
.gitignore vendored
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@ -21,7 +21,10 @@ npm-debug.log*
package-lock.json
yarn-debug.log*
yarn-error.log*
packages/excalidraw/types
src/packages/excalidraw/types
src/packages/excalidraw/example/public/bundle.js
src/packages/excalidraw/example/public/excalidraw-assets-dev
src/packages/excalidraw/example/public/excalidraw.development.js
coverage
dev-dist
html

3
CHANGELOG.md Normal file
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@ -0,0 +1,3 @@
## 2020-10-13
- Added ability to embed scene source into exported PNG/SVG files so you can import the scene from them (open via `Load` button or drag & drop). #2219

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@ -1,7 +1,7 @@
<a href="https://excalidraw.com/" target="_blank" rel="noopener">
<picture>
<source media="(prefers-color-scheme: dark)" alt="Excalidraw" srcset="https://excalidraw.nyc3.cdn.digitaloceanspaces.com/github/excalidraw_github_cover_2_dark.png" />
<img alt="Excalidraw" src="https://excalidraw.nyc3.cdn.digitaloceanspaces.com/github/excalidraw_github_cover_2.png" />
<source media="(prefers-color-scheme: dark)" alt="Excalidraw" srcset="https://excalidraw.nyc3.cdn.digitaloceanspaces.com/github%2FExcalidraw_Github_cover_dark.png" />
<img alt="Excalidraw" src="https://excalidraw.nyc3.cdn.digitaloceanspaces.com/github%2FExcalidraw_Github_cover.png" />
</picture>
</a>
@ -25,9 +25,6 @@
<a href="https://github.com/excalidraw/excalidraw/blob/master/LICENSE">
<img alt="Excalidraw is released under the MIT license." src="https://img.shields.io/badge/license-MIT-blue.svg" />
</a>
<a href="https://www.npmjs.com/package/@excalidraw/excalidraw">
<img alt="npm downloads/month" src="https://img.shields.io/npm/dm/@excalidraw/excalidraw" />
</a>
<a href="https://docs.excalidraw.com/docs/introduction/contributing">
<img alt="PRs welcome!" src="https://img.shields.io/badge/PRs-welcome-brightgreen.svg?style=flat" />
</a>
@ -73,7 +70,7 @@ The Excalidraw editor (npm package) supports:
## Excalidraw.com
The app hosted at [excalidraw.com](https://excalidraw.com) is a minimal showcase of what you can build with Excalidraw. Its [source code](https://github.com/excalidraw/excalidraw/tree/master/excalidraw-app) is part of this repository as well, and the app features:
The app hosted at [excalidraw.com](https://excalidraw.com) is a minimal showcase of what you can build with Excalidraw. Its [source code](https://github.com/excalidraw/excalidraw/tree/master/src/excalidraw-app) is part of this repository as well, and the app features:
- 📡&nbsp;PWA support (works offline).
- 🤼&nbsp;Real-time collaboration.
@ -85,7 +82,7 @@ We'll be adding these features as drop-in plugins for the npm package in the fut
## Quick start
**Note:** following instructions are for installing the Excalidraw [npm package](https://www.npmjs.com/package/@excalidraw/excalidraw) when integrating Excalidraw into your own app. To run the repository locally for development, please refer to our [Development Guide](https://docs.excalidraw.com/docs/introduction/development).
Install the [Excalidraw npm package](https://www.npmjs.com/package/@excalidraw/excalidraw):
```
npm install react react-dom @excalidraw/excalidraw
@ -97,7 +94,7 @@ or via yarn
yarn add react react-dom @excalidraw/excalidraw
```
Check out our [documentation](https://docs.excalidraw.com/docs/@excalidraw/excalidraw/installation) for more details!
Don't forget to check out our [Documentation](https://docs.excalidraw.com)!
## Contributing

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@ -1,3 +1,3 @@
files:
- source: /packages/excalidraw/locales/en.json
translation: /packages/excalidraw/locales/%locale%.json
- source: /src/locales/en.json
translation: /src/locales/%locale%.json

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@ -17,6 +17,5 @@ Below are the currently supported components:
- [MainMenu](/docs/@excalidraw/excalidraw/api/children-components/main-menu)
- [WelcomeScreen](/docs/@excalidraw/excalidraw/api/children-components/welcome-screen)
- [Sidebar](/docs/@excalidraw/excalidraw/api/children-components/sidebar)
- [Footer](/docs/@excalidraw/excalidraw/api/children-components/footer)
- [LiveCollaborationTrigger](/docs/@excalidraw/excalidraw/api/children-components/live-collaboration-trigger)

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@ -34,7 +34,7 @@ Open the `Menu` in the below playground and you will see the `custom footer` ren
```jsx live noInline
const MobileFooter = ({}) => {
const device = useDevice();
if (device.editor.isMobile) {
if (device.isMobile) {
return (
<Footer>
<button

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@ -38,7 +38,6 @@ To render an item, its recommended to use `MainMenu.Item`.
| Prop | Type | Required | Default | Description |
| --- | --- | :-: | :-: | --- |
| `onSelect` | `function` | Yes | - | Triggered when selected (via mouse). Calling `event.preventDefault()` will stop menu from closing. |
| `selected` | `boolean` | No | `false` | Whether item is active |
| `children` | `React.ReactNode` | Yes | - | The content of the menu item |
| `icon` | `JSX.Element` | No | - | The icon used in the menu item |
| `shortcut` | `string` | No | - | The shortcut to be shown for the menu item |
@ -71,7 +70,6 @@ function App() {
| Prop | Type | Required | Default | Description |
| --- | --- | :-: | :-: | --- |
| `onSelect` | `function` | No | - | Triggered when selected (via mouse). Calling `event.preventDefault()` will stop menu from closing. |
| `selected` | `boolean` | No | `false` | Whether item is active |
| `href` | `string` | Yes | - | The `href` attribute to be added to the `anchor` element. |
| `children` | `React.ReactNode` | Yes | - | The content of the menu item |
| `icon` | `JSX.Element` | No | - | The icon used in the menu item |
@ -133,7 +131,7 @@ function App() {
}
```
Here is a [complete list](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/components/mainMenu/DefaultItems.tsx) of the default items.
Here is a [complete list](https://github.com/excalidraw/excalidraw/blob/master/src/components/mainMenu/DefaultItems.tsx) of the default items.
### MainMenu.Group

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@ -1,129 +0,0 @@
# Sidebar
The editor comes with a default sidebar on the right in LTR (Left to Right) mode which contains the library. You can also add your own custom sidebar(s) by rendering this component as a child of `<Excalidraw>`.
## Props
| Prop | Type | Required | Description |
| --- | --- | --- | --- |
| `name` | `string` | Yes | Sidebar name that uniquely identifies it. |
| `children` | `React.ReactNode` | Yes | Content you want to render inside the sidebar. |
| `onStateChange` | `(state: AppState["openSidebar"]) => void` | No | Invoked on open/close or tab change. No need to act on this event, as the editor manages the sidebar open state on its own. |
| `onDock` | `(docked: boolean) => void` | No | Invoked when the user toggles the `dock` button. Passed the current docked state. |
| `docked` | `boolean` | No | Indicates whether the sidebar is `docked`. By default, the sidebar is `undocked`. If passed, the docking becomes controlled. |
| `className` | `string` | No | |
| `style` | `React.CSSProperties` | No | |
At minimum, each sidebar needs to have a unique `name` prop, and render some content inside it, which can be either composed from the exported sidebar sub-components, or custom elements.
Unless `docked={true}` is passed, the sidebar will close when the user clicks outside of it. It can also be closed using the close button in the header, if you render the `<Sidebar.Header>` component.
Further, if the sidebader doesn't comfortably fit in the editor, it won't be dockable. To decide the breakpoint for docking you can use [UIOptions.dockedSidebarBreakpoint](/docs/@excalidraw/excalidraw/api/props/ui-options#dockedsidebarbreakpoint).
To make your sidebar user-dockable, you need to supply `props.docked` (current docked state) alongside `props.onDock` callback (to listen for and handle docked state changes). The component doesn't track local state for the `docked` prop, so you need to manage it yourself.
## Sidebar.Header
| Prop | Type | Required | Description |
| --- | --- | --- | --- |
| `children` | `React.ReactNode` | No | Content you want to render inside the sidebar header next to the `close` / `dock` buttons. |
| `className` | `string` | No | |
Renders a sidebar header which contains a close button, and a dock button (when applicable). You can also render custom content in addition.
Can be nested inside specific tabs, or rendered as direct child of `<Sidebar>` for the whole sidebar component.
## Sidebar.Tabs
| Prop | Type | Required | Description |
| ---------- | ----------------- | -------- | ------------------------------ |
| `children` | `React.ReactNode` | No | Container for individual tabs. |
Sidebar may contain inner tabs. Each `<Sidebar.Tab>` must be rendered inside this `<Sidebar.Tabs>` container component.
## Sidebar.Tab
| Prop | Type | Required | Description |
| ---------- | ----------------- | -------- | ---------------- |
| `tab` | `string` | Yes | Unique tab name. |
| `children` | `React.ReactNode` | No | Tab content. |
Content of a given sidebar tab. It must be rendered inside `<Sidebar.Tabs>`.
## Sidebar.TabTriggers
| Prop | Type | Required | Description |
| --- | --- | --- | --- |
| `children` | `React.ReactNode` | No | Container for individual tab triggers. |
Container component for tab trigger buttons to switch between tabs.
## Sidebar.TabTrigger
| Prop | Type | Required | Description |
| --- | --- | --- | --- |
| `tab` | `string` | Yes | Tab name to toggle. |
| `children` | `React.ReactNode` | No | Tab trigger content, such as a label. |
A given tab trigger button that switches to a given sidebar tab. It must be rendered inside `<Sidebar.TabTriggers>`.
## Sidebar.Trigger
| Prop | Type | Required | Description |
| --- | --- | --- | --- |
| `name` | `string` | Yes | Sidebar name the trigger will control. |
| `tab` | `string` | No | Optional tab to open. |
| `onToggle` | `(open: boolean) => void` | No | Callback invoked on toggle. |
| `title` | `string` | No | A11y title. |
| `children` | `React.ReactNode` | No | Content (usually label) you want to render inside the button. |
| `icon` | `JSX.Element` | No | Trigger icon if any. |
| `className` | `string` | No | |
| `style` | `React.CSSProperties` | No | |
You can use the [`ref.toggleSidebar({ name: "custom" })`](/docs/@excalidraw/excalidraw/api/props/excalidraw-api#toggleSidebar) api to control the sidebar, but we export a trigger button to make UI use cases easier.
## Example
```tsx live
function App() {
const [docked, setDocked] = useState(false);
return (
<div style={{ height: "580px" }}>
<Excalidraw
UIOptions={{
// this effectively makes the sidebar dockable on any screen size,
// ignoring if it fits or not
dockedSidebarBreakpoint: 0,
}}
>
<Sidebar name="custom" docked={docked} onDock={setDocked}>
<Sidebar.Header />
<Sidebar.Tabs style={{ padding: "0.5rem" }}>
<Sidebar.Tab tab="one">Tab one!</Sidebar.Tab>
<Sidebar.Tab tab="two">Tab two!</Sidebar.Tab>
<Sidebar.TabTriggers>
<Sidebar.TabTrigger tab="one">One</Sidebar.TabTrigger>
<Sidebar.TabTrigger tab="two">Two</Sidebar.TabTrigger>
</Sidebar.TabTriggers>
</Sidebar.Tabs>
</Sidebar>
<Footer>
<Sidebar.Trigger
name="custom"
tab="one"
style={{
marginLeft: "0.5rem",
background: "#70b1ec",
color: "white",
}}
>
Toggle Custom Sidebar
</Sidebar.Trigger>
</Footer>
</Excalidraw>
</div>
);
}
```

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@ -37,7 +37,7 @@ Defaults to `THEME.LIGHT` unless passed in `initialData.appState.theme`
### MIME_TYPES
[`MIME_TYPES`](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/constants.ts#L101) contains all the mime types supported by `Excalidraw`.
[`MIME_TYPES`](https://github.com/excalidraw/excalidraw/blob/master/src/constants.ts#L101) contains all the mime types supported by `Excalidraw`.
**How to use **

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@ -1,475 +0,0 @@
# Creating Elements programmatically
We support a simplified API to make it easier to generate Excalidraw elements programmatically. This API is in beta and subject to change before stable. You can check the [PR](https://github.com/excalidraw/excalidraw/pull/6546) for more details.
For this purpose we introduced a new type [`ExcalidrawElementSkeleton`](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/data/transform.ts#L133). This is the simplified version of [`ExcalidrawElement`](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/element/types.ts#L134) type with the minimum possible attributes so that creating elements programmatically is much easier (especially for cases like binding arrows or creating text containers).
The [`ExcalidrawElementSkeleton`](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/data/transform.ts#L133) can be converted to fully qualified Excalidraw elements by using [`convertToExcalidrawElements`](/docs/@excalidraw/excalidraw/api/excalidraw-element-skeleton#converttoexcalidrawelements).
## convertToExcalidrawElements
**_Signature_**
```ts
convertToExcalidrawElements(
elements: ExcalidrawElementSkeleton,
opts?: { regenerateIds: boolean }
): ExcalidrawElement[]
```
| Name | Type | Default | Description |
| --- | --- | --- | --- |
| `elements` | [ExcalidrawElementSkeleton](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/data/transform.ts#L137) | | The Excalidraw element Skeleton which needs to be converted to Excalidraw elements. |
| `opts` | `{ regenerateIds: boolean }` | ` {regenerateIds: true}` | By default `id` will be regenerated for all the elements irrespective of whether you pass the `id` so if you don't want the ids to regenerated, you can set this attribute to `false`. |
**_How to use_**
```js
import { convertToExcalidrawElements } from "@excalidraw/excalidraw";
```
This function converts the Excalidraw Element Skeleton to excalidraw elements which could be then rendered on the canvas. Hence calling this function is necessary before passing it to APIs like [`initialData`](https://docs.excalidraw.com/docs/@excalidraw/excalidraw/api/props/initialdata), [`updateScene`](https://docs.excalidraw.com/docs/@excalidraw/excalidraw/api/props/excalidraw-api#updatescene) if you are using the Skeleton API
## Supported Features
### Rectangle, Ellipse, and Diamond
To create these shapes you need to pass its `type` and `x` and `y` coordinates for position. The rest of the attributes are optional\_.
For the Skeleton API to work, `convertToExcalidrawElements` needs to be called before passing it to Excalidraw Component via initialData, updateScene or any such API.
```jsx live
function App() {
const elements = convertToExcalidrawElements([
{
type: "rectangle",
x: 100,
y: 250,
},
{
type: "ellipse",
x: 250,
y: 250,
},
{
type: "diamond",
x: 380,
y: 250,
},
]);
return (
<div style={{ height: "500px" }}>
<Excalidraw
initialData={{
elements,
appState: { zenModeEnabled: true, viewBackgroundColor: "#a5d8ff" },
scrollToContent: true,
}}
/>
</div>
);
}
```
You can pass additional [`properties`](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/element/types.ts#L27) as well to decorate the shapes.
:::info
You can copy the below test examples and replace the elements in the live editor above to test it out.
:::
```js
convertToExcalidrawElements([
{
type: "rectangle",
x: 50,
y: 250,
width: 200,
height: 100,
backgroundColor: "#c0eb75",
strokeWidth: 2,
},
{
type: "ellipse",
x: 300,
y: 250,
width: 200,
height: 100,
backgroundColor: "#ffc9c9",
strokeStyle: "dotted",
fillStyle: "solid",
strokeWidth: 2,
},
{
type: "diamond",
x: 550,
y: 250,
width: 200,
height: 100,
backgroundColor: "#a5d8ff",
strokeColor: "#1971c2",
strokeStyle: "dashed",
fillStyle: "cross-hatch",
strokeWidth: 2,
},
]);
```
![image](https://github.com/excalidraw/excalidraw/assets/11256141/70ca7063-88fb-434c-838a-cd466e1bc3c2)
### Text Element
The `type`, `x`, `y` and `text` properties are required to create a text element, rest of the attributes are optional
```js
convertToExcalidrawElements([
{
type: "text",
x: 100,
y: 100,
text: "HELLO WORLD!",
},
{
type: "text",
x: 100,
y: 150,
text: "STYLED HELLO WORLD!",
fontSize: 20,
strokeColor: "#5f3dc4",
},
]);
```
![image](https://github.com/excalidraw/excalidraw/assets/11256141/085c7ac3-7952-4f22-b9c3-6beb51438526)
### Lines and Arrows
The `type`, `x`, and `y` properties are required, rest of the attributes are optional
```js
convertToExcalidrawElements([
{
type: "arrow",
x: 100,
y: 20,
},
{
type: "line",
x: 100,
y: 60,
},
]);
```
![image](https://github.com/excalidraw/excalidraw/assets/11256141/0c22a06b-b568-4ab5-9848-a5f0160f66a6)
#### With Addtional properties
```js
convertToExcalidrawElements([
{
type: "arrow",
x: 450,
y: 20,
startArrowhead: "dot",
endArrowhead: "triangle",
strokeColor: "#1971c2",
strokeWidth: 2,
},
{
type: "line",
x: 450,
y: 60,
strokeColor: "#2f9e44",
strokeWidth: 2,
strokeStyle: "dotted",
},
]);
```
![image](https://github.com/excalidraw/excalidraw/assets/11256141/14f1bf3f-ad81-4096-8c1c-f35235084ec5)
### Text Containers
In addition to `type`, `x` and `y` properties, [`label`](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/data/transform.ts#L124C7-L130C59) property is required for text containers. The `text` property in `label` is required, rest of the attributes are optional.
If you don't provide the dimensions of container, we calculate it based of the label dimensions.
```js
convertToExcalidrawElements([
{
type: "rectangle",
x: 300,
y: 290,
label: {
text: "RECTANGLE TEXT CONTAINER",
},
},
{
type: "ellipse",
x: 500,
y: 100,
label: {
text: "ELLIPSE\n TEXT CONTAINER",
},
},
{
type: "diamond",
x: 100,
y: 100,
label: {
text: "DIAMOND\nTEXT CONTAINER",
},
},
]);
```
![image](https://github.com/excalidraw/excalidraw/assets/11256141/1e2c7b5d-fcb4-4f86-946d-0bfb0e97d532)
#### With Additional properties
```js
convertToExcalidrawElements([
{
type: "diamond",
x: -120,
y: 100,
width: 270,
backgroundColor: "#fff3bf",
strokeWidth: 2,
label: {
text: "STYLED DIAMOND TEXT CONTAINER",
strokeColor: "#099268",
fontSize: 20,
},
},
{
type: "rectangle",
x: 180,
y: 150,
width: 200,
strokeColor: "#c2255c",
label: {
text: "TOP LEFT ALIGNED RECTANGLE TEXT CONTAINER",
textAlign: "left",
verticalAlign: "top",
fontSize: 20,
},
},
{
type: "ellipse",
x: 400,
y: 130,
strokeColor: "#f08c00",
backgroundColor: "#ffec99",
width: 200,
label: {
text: "STYLED ELLIPSE TEXT CONTAINER",
strokeColor: "#c2255c",
},
},
]);
```
![image](https://github.com/excalidraw/excalidraw/assets/11256141/f8123cd1-c9aa-452d-b96b-05c846c5030d)
### Labelled Arrows
Similar to Text Containers, you can create labelled arrows as well.
```js
convertToExcalidrawElements([
{
type: "arrow",
x: 100,
y: 100,
label: {
text: "LABELED ARROW",
},
},
{
type: "arrow",
x: 100,
y: 200,
label: {
text: "STYLED LABELED ARROW",
strokeColor: "#099268",
fontSize: 20,
},
},
{
type: "arrow",
x: 100,
y: 300,
strokeColor: "#1098ad",
strokeWidth: 2,
label: {
text: "ANOTHER STYLED LABELLED ARROW",
},
},
{
type: "arrow",
x: 100,
y: 400,
strokeColor: "#1098ad",
strokeWidth: 2,
label: {
text: "ANOTHER STYLED LABELLED ARROW",
strokeColor: "#099268",
},
},
]);
```
![image](https://github.com/excalidraw/excalidraw/assets/11256141/70635e9b-f1c8-4839-89e1-73b813abeb93)
### Arrow bindings
To bind arrow to a shape you need to specify its [`start`](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/data/transform.ts#L86) and [`end`](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/data/transform.ts#L54) properties. You need to pass either `type` or `id` property in `start` and `end` properties, rest of the attributes are optional
```js
convertToExcalidrawElements([
{
type: "arrow",
x: 255,
y: 239,
label: {
text: "HELLO WORLD!!",
},
start: {
type: "rectangle",
},
end: {
type: "ellipse",
},
},
]);
```
When position for `start` and `end ` properties are not specified, we compute it according to arrow position.
![image](https://github.com/excalidraw/excalidraw/assets/11256141/5aff09fd-b7e8-4c63-98be-da40b0698704)
```js
convertToExcalidrawElements([
{
type: "arrow",
x: 255,
y: 239,
label: {
text: "HELLO WORLD!!",
},
start: {
type: "text",
text: "HEYYYYY",
},
end: {
type: "text",
text: "WHATS UP ?",
},
},
]);
```
![image](https://github.com/excalidraw/excalidraw/assets/11256141/2a9f03ac-e45c-4fbd-9be0-5d9f8c8e0343)
#### When passing `id`
Useful when you want to bind multiple arrows to one diagram / use some existing diagram
```js
convertToExcalidrawElements([
{
type: "ellipse",
id: "ellipse-1",
strokeColor: "#66a80f",
x: 390,
y: 356,
width: 150,
height: 150,
backgroundColor: "#d8f5a2",
},
{
type: "diamond",
id: "diamond-1",
strokeColor: "#9c36b5",
width: 100,
x: -30,
y: 380,
},
{
type: "arrow",
x: 100,
y: 440,
width: 295,
height: 35,
strokeColor: "#1864ab",
start: {
type: "rectangle",
width: 150,
height: 150,
},
end: {
id: "ellipse-1",
},
},
{
type: "arrow",
x: 60,
y: 420,
width: 330,
strokeColor: "#e67700",
start: {
id: "diamond-1",
},
end: {
id: "ellipse-1",
},
},
]);
```
![image](https://github.com/excalidraw/excalidraw/assets/11256141/a8b047c8-2eed-4aea-82a2-e1e6bbddb8d4)
### Frames
To create a frame, you need to pass `type`, `children` (list of Excalidraw element ids). The rest of the attributes are optional.
```ts
{
type: "frame";
children: readonly ExcalidrawElement["id"][];
name?: string;
} & Partial<ExcalidrawFrameElement>);
```
```ts
convertToExcalidrawElements([
{
"type": "rectangle",
"x": 10,
"y": 10,
"strokeWidth": 2,
"id": "1"
},
{
"type": "diamond",
"x": 120,
"y": 20,
"backgroundColor": "#fff3bf",
"strokeWidth": 2,
"label": {
"text": "HELLO EXCALIDRAW",
"strokeColor": "#099268",
"fontSize": 30
},
"id": "2"
},
{
"type": "frame",
"children": ["1", "2"],
"name": "My frame"
}]
}
```

View File

@ -1,18 +1,18 @@
# initialData
<pre>
&#123; elements?: <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/element/types.ts#L114">ExcalidrawElement[]</a>, appState?: <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L95">AppState</a> &#125;
&#123; elements?: <a href="https://github.com/excalidraw/excalidraw/blob/master/src/element/types.ts#L114">ExcalidrawElement[]</a>, appState?: <a href="https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L95">AppState</a> &#125;
</pre>
This helps to load Excalidraw with `initialData`. It must be an object or a [promise](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise/Promise) which resolves to an object containing the below optional fields.
| Name | Type | Description |
| --- | --- | --- |
| `elements` | [ExcalidrawElement[]](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/element/types.ts#L114) | The `elements` with which `Excalidraw` should be mounted. |
| `appState` | [AppState](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L95) | The `AppState` with which `Excalidraw` should be mounted. |
| `elements` | [ExcalidrawElement[]](https://github.com/excalidraw/excalidraw/blob/master/src/element/types.ts#L114) | The `elements` with which `Excalidraw` should be mounted. |
| `appState` | [AppState](https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L95) | The `AppState` with which `Excalidraw` should be mounted. |
| `scrollToContent` | `boolean` | This attribute indicates whether to `scroll` to the nearest element to center once `Excalidraw` is mounted. By default, it will not scroll the nearest element to the center. Make sure you pass `initialData.appState.scrollX` and `initialData.appState.scrollY` when `scrollToContent` is false so that scroll positions are retained |
| `libraryItems` | [LibraryItems](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L247) &#124; Promise&lt;[LibraryItems](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L200)&gt; | This library items with which `Excalidraw` should be mounted. |
| `files` | [BinaryFiles](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L82) | The `files` added to the scene. |
| `libraryItems` | [LibraryItems](https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L247) &#124; Promise&lt;[LibraryItems](https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L200)&gt; | This library items with which `Excalidraw` should be mounted. |
| `files` | [BinaryFiles](https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L82) | The `files` added to the scene. |
You might want to use this when you want to load excalidraw with some initial elements and app state.

View File

@ -1,11 +1,11 @@
# Props
All `props` are _optional_.
All `props` are *optional*.
| Name | Type | Default | Description |
| --- | --- | --- | --- |
| [`initialData`](/docs/@excalidraw/excalidraw/api/props/initialdata) | `object` &#124; `null` &#124; <code>Promise<object &#124; null></code> | `null` | The initial data with which app loads. |
| [`excalidrawAPI`](/docs/@excalidraw/excalidraw/api/props/excalidraw-api) | `function` | _ | Callback triggered with the excalidraw api once rendered |
| [`initialData`](/docs/@excalidraw/excalidraw/api/props/initialdata) | `object` &#124; `null` &#124; <code>Promise<object &#124; null></code> | `null` | The initial data with which app loads. |
| [`ref`](/docs/@excalidraw/excalidraw/api/props/ref) | `object` | _ | `Ref` to be passed to Excalidraw |
| [`isCollaborating`](#iscollaborating) | `boolean` | _ | This indicates if the app is in `collaboration` mode |
| [`onChange`](#onchange) | `function` | _ | This callback is triggered whenever the component updates due to any change. This callback will receive the excalidraw `elements` and the current `app state`. |
| [`onPointerUpdate`](#onpointerupdate) | `function` | _ | Callback triggered when mouse pointer is updated. |
@ -17,13 +17,14 @@ All `props` are _optional_.
| [`langCode`](#langcode) | `string` | `en` | Language code string to be used in Excalidraw |
| [`renderTopRightUI`](/docs/@excalidraw/excalidraw/api/props/render-props#rendertoprightui) | `function` | _ | Render function that renders custom UI in top right corner |
| [`renderCustomStats`](/docs/@excalidraw/excalidraw/api/props/render-props#rendercustomstats) | `function` | _ | Render function that can be used to render custom stats on the stats dialog. |
| [`renderSidebar`](/docs/@excalidraw/excalidraw/api/props/render-props#rendersidebar) | `function` | _ | Render function that renders custom sidebar. |
| [`viewModeEnabled`](#viewmodeenabled) | `boolean` | _ | This indicates if the app is in `view` mode. |
| [`zenModeEnabled`](#zenmodeenabled) | `boolean` | _ | This indicates if the `zen` mode is enabled |
| [`gridModeEnabled`](#gridmodeenabled) | `boolean` | _ | This indicates if the `grid` mode is enabled |
| [`libraryReturnUrl`](#libraryreturnurl) | `string` | _ | What URL should [libraries.excalidraw.com](https://libraries.excalidraw.com) be installed to |
| [`theme`](#theme) | `"light"` &#124; `"dark"` | `"light"` | The theme of the Excalidraw component |
| [`name`](#name) | `string` | | Name of the drawing |
| [`UIOptions`](/docs/@excalidraw/excalidraw/api/props/ui-options) | `object` | [DEFAULT UI OPTIONS](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/constants.ts#L151) | To customise UI options. Currently we support customising [`canvas actions`](#canvasactions) |
| [`UIOptions`](/docs/@excalidraw/excalidraw/api/props/ui-options) | `object` | [DEFAULT UI OPTIONS](https://github.com/excalidraw/excalidraw/blob/master/src/constants.ts#L151) | To customise UI options. Currently we support customising [`canvas actions`](#canvasactions) |
| [`detectScroll`](#detectscroll) | `boolean` | `true` | Indicates whether to update the offsets when nearest ancestor is scrolled. |
| [`handleKeyboardGlobally`](#handlekeyboardglobally) | `boolean` | `false` | Indicates whether to bind the keyboard events to document. |
| [`autoFocus`](#autofocus) | `boolean` | `false` | indicates whether to focus the Excalidraw component on page load |
@ -33,11 +34,11 @@ All `props` are _optional_.
### Storing custom data on Excalidraw elements
Beyond attributes that Excalidraw elements already support, you can store `custom` data on each `element` in a `customData` object. The type of the attribute is [`Record<string, any>`](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/element/types.ts#L66) and is optional.
Beyond attributes that Excalidraw elements already support, you can store `custom` data on each `element` in a `customData` object. The type of the attribute is [`Record<string, any>`](https://github.com/excalidraw/excalidraw/blob/master/src/element/types.ts#L66) and is optional.
You can use this to add any extra information you need to keep track of.
You can add `customData` to elements when passing them as [`initialData`](/docs/@excalidraw/excalidraw/api/props/initialdata), or using [`updateScene`](/docs/@excalidraw/excalidraw/api/props/excalidraw-api#updatescene) / [`updateLibrary`](/docs/@excalidraw/excalidraw/api/props/excalidraw-api#updatelibrary) afterwards.
You can add `customData` to elements when passing them as [`initialData`](/docs/@excalidraw/excalidraw/api/props/initialdata), or using [`updateScene`](/docs/@excalidraw/excalidraw/api/props/ref#updatescene) / [`updateLibrary`](/docs/@excalidraw/excalidraw/api/props/ref#updatelibrary) afterwards.
```js showLineNumbers
{
@ -59,11 +60,11 @@ Every time component updates, this callback if passed will get triggered and has
(excalidrawElements, appState, files) => void;
```
1. `excalidrawElements`: Array of [excalidrawElements](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/element/types.ts#L114) in the scene.
1. `excalidrawElements`: Array of [excalidrawElements](https://github.com/excalidraw/excalidraw/blob/master/src/element/types.ts#L114) in the scene.
2. `appState`: [AppState](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L95) of the scene.
2. `appState`: [AppState](https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L95) of the scene.
3. `files`: The [BinaryFiles](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L64) which are added to the scene.
3. `files`: The [BinaryFiles](https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L64) which are added to the scene.
Here you can try saving the data to your backend or local storage for example.
@ -79,30 +80,22 @@ This callback is triggered when mouse pointer is updated.
2.`button`: The position of the button. This will be one of `["down", "up"]`
3.`pointersMap`: [`pointers`](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L131) map of the scene
3.`pointersMap`: [`pointers`](https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L131) map of the scene
```js
(exportedElements, appState, canvas) => void
```
1. `exportedElements`: An array of [non deleted elements](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/element/types.ts#L87) which needs to be exported.
2. `appState`: [AppState](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L95) of the scene.
1. `exportedElements`: An array of [non deleted elements](https://github.com/excalidraw/excalidraw/blob/master/src/element/types.ts#L87) which needs to be exported.
2. `appState`: [AppState](https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L95) of the scene.
3. `canvas`: The `HTMLCanvasElement` of the scene.
### onPointerDown
This prop if passed will be triggered on pointer down events and has the below signature.
<pre>
(activeTool:{" "}
<a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L115">
{" "}
AppState["activeTool"]
</a>
, pointerDownState: <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L424">
PointerDownState
</a>) => void
(activeTool: <a href="https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L115"> AppState["activeTool"]</a>, pointerDownState: <a href="https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L424">PointerDownState</a>) => void
</pre>
### onScrollChange
@ -118,11 +111,7 @@ This prop if passed will be triggered when canvas is scrolled and has the below
This callback is triggered if passed when something is pasted into the scene. You can use this callback in case you want to do something additional when the paste event occurs.
<pre>
(data:{" "}
<a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/clipboard.ts#L18">
ClipboardData
</a>
, event: ClipboardEvent &#124; null) => boolean
(data: <a href="https://github.com/excalidraw/excalidraw/blob/master/src/clipboard.ts#L18">ClipboardData</a>, event: ClipboardEvent &#124; null) => boolean
</pre>
This callback must return a `boolean` value or a [promise](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise/Promise) which resolves to a boolean value.
@ -135,7 +124,7 @@ This callback if supplied will get triggered when the library is updated and has
<pre>
(items:{" "}
<a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L200">
<a href="https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L200">
LibraryItems
</a>
) => void | Promise&lt;any&gt;
@ -148,11 +137,8 @@ It is invoked with empty items when user clears the library. You can use this ca
This prop if passed will be triggered when clicked on `link`. To handle the redirect yourself (such as when using your own router for internal links), you must call `event.preventDefault()`.
<pre>
(element:{" "}
<a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/element/types.ts#L114">
ExcalidrawElement
</a>
, event: CustomEvent&lt;&#123; nativeEvent: MouseEvent }&gt;) => void
(element: <a href="https://github.com/excalidraw/excalidraw/blob/master/src/element/types.ts#L114">ExcalidrawElement</a>,
event: CustomEvent&lt;&#123; nativeEvent: MouseEvent }&gt;) => void
</pre>
Example:
@ -182,7 +168,7 @@ const onLinkOpen: ExcalidrawProps["onLinkOpen"] = useCallback(
### langCode
Determines the `language` of the UI. It should be one of the [available language codes](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/i18n.ts#L14). Defaults to `en` (English). We also export default language and supported languages which you can import as shown below.
Determines the `language` of the UI. It should be one of the [available language codes](https://github.com/excalidraw/excalidraw/blob/master/src/i18n.ts#L14). Defaults to `en` (English). We also export default language and supported languages which you can import as shown below.
```js
import { defaultLang, languages } from "@excalidraw/excalidraw";
@ -191,34 +177,34 @@ import { defaultLang, languages } from "@excalidraw/excalidraw";
| name | type |
| --- | --- |
| `defaultLang` | `string` |
| `languages` | [`Language[]`](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/i18n.ts#L15) |
| `languages` | [`Language[]`](https://github.com/excalidraw/excalidraw/blob/master/src/i18n.ts#L15) |
### viewModeEnabled
This prop indicates whether the app is in `view mode`. When supplied, the value takes precedence over _intialData.appState.viewModeEnabled_, the `view mode` will be fully controlled by the host app, and users won't be able to toggle it from within the app.
This prop indicates whether the app is in `view mode`. When supplied, the value takes precedence over *intialData.appState.viewModeEnabled*, the `view mode` will be fully controlled by the host app, and users won't be able to toggle it from within the app.
### zenModeEnabled
This prop indicates whether the app is in `zen mode`. When supplied, the value takes precedence over _intialData.appState.zenModeEnabled_, the `zen mode` will be fully controlled by the host app, and users won't be able to toggle it from within the app.
This prop indicates whether the app is in `zen mode`. When supplied, the value takes precedence over *intialData.appState.zenModeEnabled*, the `zen mode` will be fully controlled by the host app, and users won't be able to toggle it from within the app.
### gridModeEnabled
This prop indicates whether the shows the grid. When supplied, the value takes precedence over _intialData.appState.gridModeEnabled_, the grid will be fully controlled by the host app, and users won't be able to toggle it from within the app.
This prop indicates whether the shows the grid. When supplied, the value takes precedence over *intialData.appState.gridModeEnabled*, the grid will be fully controlled by the host app, and users won't be able to toggle it from within the app.
### libraryReturnUrl
If supplied, this URL will be used when user tries to install a library from [libraries.excalidraw.com](https://libraries.excalidraw.com).
Defaults to _window.location.origin + window.location.pathname_. To install the libraries in the same tab from which it was opened, you need to set `window.name` (to any alphanumeric string) — if it's not set it will open in a new tab.
Defaults to *window.location.origin + window.location.pathname*. To install the libraries in the same tab from which it was opened, you need to set `window.name` (to any alphanumeric string) — if it's not set it will open in a new tab.
### theme
This prop controls Excalidraw's theme. When supplied, the value takes precedence over _intialData.appState.theme_, the theme will be fully controlled by the host app, and users won't be able to toggle it from within the app unless _UIOptions.canvasActions.toggleTheme_ is set to `true`, in which case the `theme` prop will control Excalidraw's default theme with ability to allow theme switching (you must take care of updating the `theme` prop when you detect a change to `appState.theme` from the [onChange](#onchange) callback).
This prop controls Excalidraw's theme. When supplied, the value takes precedence over *intialData.appState.theme*, the theme will be fully controlled by the host app, and users won't be able to toggle it from within the app unless *UIOptions.canvasActions.toggleTheme* is set to `true`, in which case the `theme` prop will control Excalidraw's default theme with ability to allow theme switching (you must take care of updating the `theme` prop when you detect a change to `appState.theme` from the [onChange](#onchange) callback).
You can use [`THEME`](/docs/@excalidraw/excalidraw/api/utils#theme) to specify the theme.
### name
This prop sets the `name` of the drawing which will be used when exporting the drawing. When supplied, the value takes precedence over _intialData.appState.name_, the `name` will be fully controlled by host app and the users won't be able to edit from within Excalidraw.
This prop sets the `name` of the drawing which will be used when exporting the drawing. When supplied, the value takes precedence over *intialData.appState.name*, the `name` will be fully controlled by host app and the users won't be able to edit from within Excalidraw.
### detectScroll
@ -251,4 +237,4 @@ validateEmbeddable?: boolean | string[] | RegExp | RegExp[] | ((link: string) =>
This is an optional property. By default we support a handful of well-known sites. You may allow additional sites or disallow the default ones by supplying a custom validator. If you pass `true`, all URLs will be allowed. You can also supply a list of hostnames, RegExp (or list of RegExp objects), or a function. If the function returns `undefined`, the built-in validator will be used.
Supplying a list of hostnames (with or without `www.`) is the preferred way to allow a specific list of domains.
Supplying a list of hostnames (with or without `www.`) is the preferred way to allow a specific list of domains.

View File

@ -1,26 +1,27 @@
# excalidrawAPI
# ref
<pre>
(api:{" "}
<a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L616">
ExcalidrawAPI
</a>
) => void;
<a href="https://reactjs.org/docs/refs-and-the-dom.html#creating-refs">
createRef
</a>{" "}
&#124;{" "}
<a href="https://reactjs.org/docs/hooks-reference.html#useref">useRef</a>{" "}
&#124;{" "}
<a href="https://reactjs.org/docs/refs-and-the-dom.html#callback-refs">
callbackRef
</a>{" "}
&#124; <br />
&#123; current: &#123; readyPromise: <a href="https://github.com/excalidraw/excalidraw/blob/master/src/utils.ts#L460">
resolvablePromise
</a> } }
</pre>
Once the callback is triggered, you will need to store the api in state to access it later.
```jsx showLineNumbers
export default function App() {
const [excalidrawAPI, setExcalidrawAPI] = useState(null);
return <Excalidraw excalidrawAPI={{(api)=> setExcalidrawAPI(api)}} />;
}
```
You can use this prop when you want to access some [Excalidraw APIs](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L616). We expose the below APIs :point_down:
You can pass a `ref` when you want to access some excalidraw APIs. We expose the below APIs:
| API | Signature | Usage |
| --- | --- | --- |
| ready | `boolean` | This is set to true once Excalidraw is rendered |
| [readyPromise](#readypromise) | `function` | This promise will be resolved with the api once excalidraw has rendered. This will be helpful when you want do some action on the host app once this promise resolves. For this to work you will have to pass ref as shown [here](#readypromise) |
| [updateScene](#updatescene) | `function` | updates the scene with the sceneData |
| [updateLibrary](#updatelibrary) | `function` | updates the scene with the sceneData |
| [addFiles](#addfiles) | `function` | add files data to the appState |
@ -38,21 +39,60 @@ You can use this prop when you want to access some [Excalidraw APIs](https://git
| [setCursor](#setcursor) | `function` | This API can be used to set customise the mouse cursor on the canvas |
| [resetCursor](#resetcursor) | `function` | This API can be used to reset to default mouse cursor on the canvas |
| [toggleMenu](#togglemenu) | `function` | Toggles specific menus on/off |
| [onChange](#onChange) | `function` | Subscribes to change events |
| [onPointerDown](#onPointerDown) | `function` | Subscribes to `pointerdown` events |
| [onPointerUp](#onPointerUp) | `function` | Subscribes to `pointerup` events |
:::info The `Ref` support has been removed in v0.17.0 so if you are using refs, please update the integration to use the `excalidrawAPI`.
## readyPromise
Additionally `ready` and `readyPromise` from the API have been discontinued. These APIs were found to be superfluous, and as part of the effort to streamline the APIs and maintain simplicity, they were removed in version v0.17.0.
<pre>
const excalidrawRef = &#123; current:&#123; readyPromise:
<a href="https://github.com/excalidraw/excalidraw/blob/master/src/utils.ts#L460">
&nbsp;resolvablePromise
</a>
&nbsp;&#125; &#125;
</pre>
:::
Since plain object is passed as a `ref`, the `readyPromise` is resolved as soon as the component is mounted. Most of the time you will not need this unless you have a specific use case where you can't pass the `ref` in the react way and want to do some action on the host when this promise resolves.
```jsx showLineNumbers
const resolvablePromise = () => {
let resolve;
let reject;
const promise = new Promise((_resolve, _reject) => {
resolve = _resolve;
reject = _reject;
});
promise.resolve = resolve;
promise.reject = reject;
return promise;
};
const App = () => {
const excalidrawRef = useMemo(
() => ({
current: {
readyPromise: resolvablePromise(),
},
}),
[],
);
useEffect(() => {
excalidrawRef.current.readyPromise.then((api) => {
console.log("loaded", api);
});
}, [excalidrawRef]);
return (
<div style={{ height: "500px" }}>
<Excalidraw ref={excalidrawRef} />
</div>
);
};
```
## updateScene
<pre>
(scene:{" "}
<a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L339">
<a href="https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L339">
sceneData
</a>
) => void
@ -62,9 +102,9 @@ You can use this function to update the scene with the sceneData. It accepts the
| Name | Type | Description |
| --- | --- | --- |
| `elements` | [`ImportedDataState["elements"]`](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/data/types.ts#L38) | The `elements` to be updated in the scene |
| `appState` | [`ImportedDataState["appState"]`](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/data/types.ts#L39) | The `appState` to be updated in the scene. |
| `collaborators` | <code>Map<string, <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L37">Collaborator></a></code> | The list of collaborators to be updated in the scene. |
| `elements` | [`ImportedDataState["elements"]`](https://github.com/excalidraw/excalidraw/blob/master/src/data/types.ts#L38) | The `elements` to be updated in the scene |
| `appState` | [`ImportedDataState["appState"]`](https://github.com/excalidraw/excalidraw/blob/master/src/data/types.ts#L39) | The `appState` to be updated in the scene. |
| `collaborators` | <code>Map<string, <a href="https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L37">Collaborator></a></code> | The list of collaborators to be updated in the scene. |
| `commitToHistory` | `boolean` | Implies if the `history (undo/redo)` should be recorded. Defaults to `false`. |
```jsx live
@ -125,13 +165,13 @@ function App() {
<pre>
(opts: &#123; <br /> libraryItems:{" "}
<a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L249">
<a href="https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L249">
LibraryItemsSource
</a>
;<br /> merge?: boolean; <br /> prompt?: boolean;
<br /> openLibraryMenu?: boolean;
<br /> defaultStatus?: "unpublished" | "published"; <br /> &#125;) => Promise&lt;
<a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L246">
<a href="https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L246">
LibraryItems
</a>
&gt;
@ -141,7 +181,7 @@ You can use this function to update the library. It accepts the below attributes
| Name | Type | Default | Description |
| --- | --- | --- | --- |
| `libraryItems` | [LibraryItemsSource](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L249) | \_ | The `libraryItems` to be replaced/merged with current library |
| `libraryItems` | [LibraryItemsSource](https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L249) | \_ | The `libraryItems` to be replaced/merged with current library |
| `merge` | boolean | `false` | Whether to merge with existing library items. |
| `prompt` | boolean | `false` | Whether to prompt user for confirmation. |
| `openLibraryMenu` | boolean | `false` | Keep the library menu open after library is updated. |
@ -189,7 +229,7 @@ function App() {
</button>
<Excalidraw
ref={(api) => setExcalidrawAPI(api)}
// initial data retrieved from https://github.com/excalidraw/excalidraw/blob/master/dev-docs/packages/excalidraw/initialData.js
// initial data retrieved from https://github.com/excalidraw/excalidraw/blob/master/dev-docs/src/initialData.js
initialData={{
libraryItems: initialData.libraryItems,
appState: { openSidebar: "library" },
@ -204,7 +244,7 @@ function App() {
<pre>
(files:{" "}
<a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L59">
<a href="https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L59">
BinaryFileData
</a>
) => void
@ -224,7 +264,7 @@ Resets the scene. If `resetLoadingState` is passed as true then it will also for
<pre>
() =>{" "}
<a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/element/types.ts#L115">
<a href="https://github.com/excalidraw/excalidraw/blob/master/src/element/types.ts#L115">
ExcalidrawElement[]
</a>
</pre>
@ -235,7 +275,7 @@ Returns all the elements including the deleted in the scene.
<pre>
() => NonDeleted&#60;
<a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/element/types.ts#L115">
<a href="https://github.com/excalidraw/excalidraw/blob/master/src/element/types.ts#L115">
ExcalidrawElement
</a>
[]&#62;
@ -247,7 +287,7 @@ Returns all the elements excluding the deleted in the scene
<pre>
() =>{" "}
<a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L95">
<a href="https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L95">
AppState
</a>
</pre>
@ -288,7 +328,7 @@ Scroll the nearest element out of the elements supplied to the center of the vie
| Attribute | type | default | Description |
| --- | --- | --- | --- |
| target | [ExcalidrawElement](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/element/types.ts#L115) &#124; [ExcalidrawElement[]](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/element/types.ts#L115) | All scene elements | The element(s) to scroll to. |
| target | [ExcalidrawElement](https://github.com/excalidraw/excalidraw/blob/master/src/element/types.ts#L115) &#124; [ExcalidrawElement[]](https://github.com/excalidraw/excalidraw/blob/master/src/element/types.ts#L115) | All scene elements | The element(s) to scroll to. |
| opts.fitToContent | boolean | false | Whether to fit the elements to viewport by automatically changing zoom as needed. Note that the zoom range is between 10%-100%. |
| opts.fitToViewport | boolean | false | Similar to fitToContent but the zoom range is not limited. If elements are smaller than the viewport, zoom will go above 100%. |
| opts.viewportZoomFactor | number | 0.7 | when fitToViewport=true, how much screen should the content cover, between 0.1 (10%) and 1 (100%) |
@ -336,7 +376,7 @@ The unique id of the excalidraw component. This can be used to identify the exca
<pre>
() =>{" "}
<a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L82">
<a href="https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L82">
files
</a>
</pre>
@ -347,25 +387,14 @@ This API can be used to get the files present in the scene. It may contain files
This API has the below signature. It sets the `tool` passed in param as the active tool.
```ts
(
tool: (
| (
| { type: Exclude<ToolType, "image"> }
| {
type: Extract<ToolType, "image">;
insertOnCanvasDirectly?: boolean;
}
)
| { type: "custom"; customType: string }
) & { locked?: boolean },
) => {};
```
| Name | Type | Default | Description |
| --- | --- | --- | --- |
| `type` | [ToolType](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L91) | `selection` | The tool type which should be set as active tool. When setting `image` as active tool, the insertion onto canvas when using image tool is disabled by default, so you can enable it by setting `insertOnCanvasDirectly` to `true` |
| `locked` | `boolean` | `false` | Indicates whether the the active tool should be locked. It behaves the same way when using the `lock` tool in the editor interface |
<pre>
(tool: <br /> &#123; type:{" "}
<a href="https://github.com/excalidraw/excalidraw/blob/master/src/shapes.tsx#L15">
SHAPES
</a>
[number]["value"]&#124; "eraser" &#125; &#124;
<br /> &#123; type: "custom"; customType: string &#125;) => void
</pre>
## setCursor
@ -375,15 +404,15 @@ This API can be used to customise the mouse cursor on the canvas and has the bel
(cursor: string) => void
```
## toggleSidebar
## toggleMenu
```tsx
(opts: { name: string; tab?: string; force?: boolean }) => boolean;
(type: "library" | "customSidebar", force?: boolean) => boolean;
```
This API can be used to toggle sidebar, optionally opening a specific sidebar tab. It returns whether the sidebar was toggled on or off. If the `force` flag passed, it will force the sidebar to be toggled either on/off.
This API can be used to toggle a specific menu (currently only the sidebars), and returns whether the menu was toggled on or off. If the `force` flag passed, it will force the menu to be toggled either on/off based on the `boolean` passed.
This API is especially useful when you render a custom [`<Sidebar/>`](/docs/@excalidraw/excalidraw/api/children-components/sidebar), and you want to toggle it from your app based on a user action.
This API is especially useful when you render a custom sidebar using [`renderSidebar`](#rendersidebar) prop, and you want to toggle it from your app based on a user action.
## resetCursor
@ -392,51 +421,3 @@ This API is especially useful when you render a custom [`<Sidebar/>`](/docs/@exc
```
This API can be used to reset to default mouse cursor.
## onChange
```tsx
(
callback: (
elements: readonly ExcalidrawElement[],
appState: AppState,
files: BinaryFiles,
) => void
) => () => void
```
Subscribes to change events, similar to [`props.onChange`](/docs/@excalidraw/excalidraw/api/props#onchange).
Returns an unsubscribe function.
## onPointerDown
```tsx
(
callback: (
activeTool: AppState["activeTool"],
pointerDownState: PointerDownState,
event: React.PointerEvent<HTMLElement>,
) => void,
) => () => void
```
Subscribes to canvas `pointerdown` events.
Returns an unsubscribe function.
## onPointerUp
```tsx
(
callback: (
activeTool: AppState["activeTool"],
pointerDownState: PointerDownState,
event: PointerEvent,
) => void,
) => () => void
```
Subscribes to canvas `pointerup` events.
Returns an unsubscribe function.

View File

@ -4,9 +4,10 @@
<pre>
(isMobile: boolean, appState:
<a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L95">
<a href="https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L95">
AppState
</a>) => JSX | null
</a>
) => JSX | null
</pre>
A function returning `JSX` to render `custom` UI in the top right corner of the app.
@ -62,14 +63,69 @@ function App() {
}
```
## renderSidebar
```tsx
() => JSX | null;
```
You can render `custom sidebar` using this prop. This sidebar is the same that the library menu sidebar is using, and can be used for any purposes your app needs.
You need to import the `Sidebar` component from `excalidraw` package and pass your content as its `children`. The function `renderSidebar` should return the `Sidebar` instance.
### Sidebar
The `<Sidebar>` component takes these props (all are optional except `children`):
| Prop | Type | Description |
| --- | --- | --- |
| `children` | `React.ReactNode` | Content you want to render inside the `sidebar`. |
| `onClose` | `function` | Invoked when the component is closed (by user, or the editor). No need to act on this event, as the editor manages the sidebar open state on its own. |
| `onDock` | `function` | Invoked when the user toggles the `dock` button. The callback recieves a `boolean` parameter `isDocked` which indicates whether the sidebar is `docked` |
| `docked` | `boolean` | Indicates whether the sidebar is`docked`. By default, the sidebar is `undocked`. If passed, the docking becomes controlled, and you are responsible for updating the `docked` state by listening on `onDock` callback. To decide the breakpoint for docking you can use [UIOptions.dockedSidebarBreakpoint](/docs/@excalidraw/excalidraw/api/props/ui-options#dockedsidebarbreakpoint) for more info on docking. |
| `dockable` | `boolean` | Indicates whether to show the `dock` button so that user can `dock` the sidebar. If `false`, you can still dock programmatically by passing `docked` as `true`. |
The sidebar will always include a header with `close / dock` buttons (when applicable).
You can also add custom content to the header, by rendering `<Sidebar.Header>` as a child of the `<Sidebar>` component. Note that the custom header will still include the default buttons.
### Sidebar.Header
| name | type | description |
| --- | --- | --- |
| children | `React.ReactNode` | Content you want to render inside the sidebar header as a sibling of `close` / `dock` buttons. |
To control the visibility of the sidebar you can use [`toggleMenu("customSidebar")`](/docs/@excalidraw/excalidraw/api/props/ref#togglemenu) api available via `ref`.
```tsx live
function App() {
const [excalidrawAPI, setExcalidrawAPI] = useState(null);
return (
<div style={{ height: "500px" }}>
<button className="custom-button" onClick={() => excalidrawAPI.toggleMenu("customSidebar")}>
Toggle Custom Sidebar
</button>
<Excalidraw
UIOptions={{ dockedSidebarBreakpoint: 100 }}
ref={(api) => setExcalidrawAPI(api)}
renderSidebar={() => {
return (
<Sidebar dockable={true}>
<Sidebar.Header>Custom Sidebar Header </Sidebar.Header>
<p style={{ padding: "1rem" }}> custom Sidebar Content </p>
</Sidebar>
);
}}
/>
</div>
);
}
```
## renderEmbeddable
<pre>
(element: NonDeleted&lt;ExcalidrawEmbeddableElement&gt;, appState:{" "}
<a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L95">
AppState
</a>
) => JSX.Element | null
(element: NonDeleted&lt;ExcalidrawEmbeddableElement&gt;, appState: <a href="https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L95">AppState</a>) => JSX.Element | null
</pre>
Allows you to replace the renderer for embeddable elements (which renders `<iframe>` elements).

View File

@ -1,10 +1,10 @@
# UIOptions
This prop can be used to customise UI of Excalidraw. Currently we support customising [`canvasActions`](#canvasactions), [`dockedSidebarBreakpoint`](#dockedsidebarbreakpoint) [`welcomeScreen`](#welcmescreen) and [`tools`](#tools).
This prop can be used to customise UI of Excalidraw. Currently we support customising [`canvasActions`](#canvasactions), [`dockedSidebarBreakpoint`](#dockedsidebarbreakpoint) and [`welcomeScreen`](#welcmescreen).
<pre>
&#123;
<br /> canvasActions?: <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L372">
<br /> canvasActions?: <a href="https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L372">
CanvasActions
</a>, <br /> dockedSidebarBreakpoint?: number, <br /> welcomeScreen?: boolean <br />
@ -55,7 +55,7 @@ If `UIOptions.canvasActions.export` is `false` the export button will not be ren
## dockedSidebarBreakpoint
This prop indicates at what point should we break to a docked, permanent sidebar. If not passed it defaults to [`MQ_RIGHT_SIDEBAR_MAX_WIDTH_PORTRAIT`](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/constants.ts#L161).
This prop indicates at what point should we break to a docked, permanent sidebar. If not passed it defaults to [`MQ_RIGHT_SIDEBAR_MAX_WIDTH_PORTRAIT`](https://github.com/excalidraw/excalidraw/blob/master/src/constants.ts#L161).
If the _width_ of the _excalidraw_ container exceeds _dockedSidebarBreakpoint_, the sidebar will be `dockable` and the button to `dock` the sidebar will be shown
If user choses to `dock` the sidebar, it will push the right part of the UI towards the left, making space for the sidebar as shown below.
@ -70,12 +70,3 @@ function App() {
);
}
```
## tools
This `prop` controls the visibility of the tools in the editor.
Currently you can control the visibility of `image` tool via this prop.
| Prop | Type | Default | Description |
| --- | --- | --- | --- |
| image | boolean | true | Decides whether `image` tool should be visible.

View File

@ -20,16 +20,16 @@ exportToCanvas(&#123;<br/>&nbsp;
getDimensions,<br/>&nbsp;
files,<br/>&nbsp;
exportPadding?: number;<br/>
&#125;: <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/packages/utils.ts#L21">ExportOpts</a>
&#125;: <a href="https://github.com/excalidraw/excalidraw/blob/master/src/packages/utils.ts#L21">ExportOpts</a>
</pre>
| Name | Type | Default | Description |
| --- | --- | --- | --- |
| `elements` | [Excalidraw Element []](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/element/types.ts#L114) | | The elements to be exported to canvas. |
| `appState` | [AppState](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/packages/utils.ts#L23) | [Default App State](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/appState.ts#L17) | The app state of the scene. |
| `elements` | [Excalidraw Element []](https://github.com/excalidraw/excalidraw/blob/master/src/element/types.ts#L114) | | The elements to be exported to canvas. |
| `appState` | [AppState](https://github.com/excalidraw/excalidraw/blob/master/src/packages/utils.ts#L23) | [Default App State](https://github.com/excalidraw/excalidraw/blob/master/src/appState.ts#L17) | The app state of the scene. |
| [`getDimensions`](#getdimensions) | `function` | _ | A function which returns the `width`, `height`, and optionally `scale` (defaults to `1`), with which canvas is to be exported. |
| `maxWidthOrHeight` | `number` | _ | The maximum `width` or `height` of the exported image. If provided, `getDimensions` is ignored. |
| `files` | [BinaryFiles](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L59) | _ | The files added to the scene. |
| `files` | [BinaryFiles](https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L59) | _ | The files added to the scene. |
| `exportPadding` | `number` | `10` | The `padding` to be added on canvas. |
@ -105,7 +105,7 @@ function App() {
<pre>
exportToBlob(<br/>&nbsp;
opts: <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/packages/utils.ts#L14">ExportOpts</a> & &#123;<br/>&nbsp;
opts: <a href="https://github.com/excalidraw/excalidraw/blob/master/src/packages/utils.ts#L14">ExportOpts</a> & &#123;<br/>&nbsp;
mimeType?: string,<br/>&nbsp;
quality?: number,<br/>&nbsp;
exportPadding?: number;<br/>
@ -134,16 +134,16 @@ Returns a promise which resolves with a [blob](https://developer.mozilla.org/en-
<pre>
exportToSvg(&#123;<br/>&nbsp;
elements:&nbsp;
<a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/element/types.ts#L114">
<a href="https://github.com/excalidraw/excalidraw/blob/master/src/element/types.ts#L114">
ExcalidrawElement[]
</a>,<br/>&nbsp;
appState:
<a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L95"> AppState
<a href="https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L95"> AppState
</a>,<br/>&nbsp;
exportPadding: number,<br/>&nbsp;
metadata: string,<br/>&nbsp;
files:&nbsp;
<a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L59">
<a href="https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L59">
BinaryFiles
</a>,<br/>
&#125;);
@ -151,10 +151,10 @@ exportToSvg(&#123;<br/>&nbsp;
| Name | Type | Default | Description |
| --- | --- | --- | --- |
| elements | [Excalidraw Element []](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/element/types.ts#L114) | | The elements to exported as `svg `|
| appState | [AppState](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L95) | [defaultAppState](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/appState.ts#L11) | The `appState` of the scene |
| elements | [Excalidraw Element []](https://github.com/excalidraw/excalidraw/blob/master/src/element/types.ts#L114) | | The elements to exported as `svg `|
| appState | [AppState](https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L95) | [defaultAppState](https://github.com/excalidraw/excalidraw/blob/master/src/appState.ts#L11) | The `appState` of the scene |
| exportPadding | number | 10 | The `padding` to be added on canvas |
| files | [BinaryFiles](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L64) | undefined | The `files` added to the scene. |
| files | [BinaryFiles](https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L64) | undefined | The `files` added to the scene. |
This function returns a promise which resolves to `svg` of the exported drawing.
@ -164,7 +164,7 @@ This function returns a promise which resolves to `svg` of the exported drawing.
<pre>
exportToClipboard(<br/>&nbsp;
opts: <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/packages/utils.ts#L21">ExportOpts</a> & &#123;<br/>&nbsp;
opts: <a href="https://github.com/excalidraw/excalidraw/blob/master/src/packages/utils.ts#L21">ExportOpts</a> & &#123;<br/>&nbsp;
mimeType?: string,<br/>&nbsp;
quality?: number;<br/>&nbsp;
type: 'png' | 'svg' |'json'<br/>

View File

@ -8,7 +8,7 @@ id: "restore"
**_Signature_**
<pre>
restoreAppState(appState: <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/data/types.ts#L34">ImportedDataState["appState"]</a>,<br/>&nbsp; localAppState: Partial&lt;<a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L95">AppState</a>> | null): <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L95">AppState</a>
restoreAppState(appState: <a href="https://github.com/excalidraw/excalidraw/blob/master/src/data/types.ts#L34">ImportedDataState["appState"]</a>,<br/>&nbsp; localAppState: Partial&lt;<a href="https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L95">AppState</a>> | null): <a href="https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L95">AppState</a>
</pre>
**_How to use_**
@ -17,7 +17,7 @@ restoreAppState(appState: <a href="https://github.com/excalidraw/excalidraw/blob
import { restoreAppState } from "@excalidraw/excalidraw";
```
This function will make sure all the `keys` have appropriate `values` in [appState](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L95) and if any key is missing, it will be set to its `default` value.
This function will make sure all the `keys` have appropriate `values` in [appState](https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L95) and if any key is missing, it will be set to its `default` value.
When `localAppState` is supplied, it's used in place of values that are missing (`undefined`) in `appState` instead of the defaults.
Use this as a way to not override user's defaults if you persist them.
@ -29,16 +29,16 @@ You can pass `null` / `undefined` if not applicable.
<pre>
restoreElements(
elements: <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/element/types.ts#L114">ImportedDataState["elements"]</a>,<br/>&nbsp;
localElements: <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/element/types.ts#L114">ExcalidrawElement[]</a> | null | undefined): <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/element/types.ts#L114">ExcalidrawElement[]</a>,<br/>&nbsp;
elements: <a href="https://github.com/excalidraw/excalidraw/blob/master/src/element/types.ts#L114">ImportedDataState["elements"]</a>,<br/>&nbsp;
localElements: <a href="https://github.com/excalidraw/excalidraw/blob/master/src/element/types.ts#L114">ExcalidrawElement[]</a> | null | undefined): <a href="https://github.com/excalidraw/excalidraw/blob/master/src/element/types.ts#L114">ExcalidrawElement[]</a>,<br/>&nbsp;
opts: &#123; refreshDimensions?: boolean, repairBindings?: boolean }<br/>
)
</pre>
| Prop | Type | Description |
| ---- | ---- | ---- |
| `elements` | <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/element/types.ts#L114">ImportedDataState["elements"]</a> | The `elements` to be restored |
| [`localElements`](#localelements) | <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/element/types.ts#L114">ExcalidrawElement[]</a> &#124; null &#124; undefined | When `localElements` are supplied, they are used to ensure that existing restored elements reuse `version` (and increment it), and regenerate `versionNonce`. |
| `elements` | <a href="https://github.com/excalidraw/excalidraw/blob/master/src/element/types.ts#L114">ImportedDataState["elements"]</a> | The `elements` to be restored |
| [`localElements`](#localelements) | <a href="https://github.com/excalidraw/excalidraw/blob/master/src/element/types.ts#L114">ExcalidrawElement[]</a> &#124; null &#124; undefined | When `localElements` are supplied, they are used to ensure that existing restored elements reuse `version` (and increment it), and regenerate `versionNonce`. |
| [`opts`](#opts) | `Object` | The extra optional parameter to configure restored elements
#### localElements
@ -70,15 +70,15 @@ Parameter `refreshDimensions` indicates whether we should also `recalculate` tex
<pre>
restore(
data: <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/data/types.ts#L34">ImportedDataState</a>,<br/>&nbsp;
localAppState: Partial&lt;<a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L95">AppState</a>> | null | undefined,<br/>&nbsp;
localElements: <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/element/types.ts#L114">ExcalidrawElement[]</a> | null | undefined<br/>): <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/data/types.ts#L4">DataState</a><br/>
data: <a href="https://github.com/excalidraw/excalidraw/blob/master/src/data/types.ts#L34">ImportedDataState</a>,<br/>&nbsp;
localAppState: Partial&lt;<a href="https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L95">AppState</a>> | null | undefined,<br/>&nbsp;
localElements: <a href="https://github.com/excalidraw/excalidraw/blob/master/src/element/types.ts#L114">ExcalidrawElement[]</a> | null | undefined<br/>): <a href="https://github.com/excalidraw/excalidraw/blob/master/src/data/types.ts#L4">DataState</a><br/>
opts: &#123; refreshDimensions?: boolean, repairBindings?: boolean }<br/>
)
</pre>
See [`restoreAppState()`](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/packages/excalidraw/README.md#restoreAppState) about `localAppState`, and [`restoreElements()`](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/packages/excalidraw/README.md#restoreElements) about `localElements`.
See [`restoreAppState()`](https://github.com/excalidraw/excalidraw/blob/master/src/packages/excalidraw/README.md#restoreAppState) about `localAppState`, and [`restoreElements()`](https://github.com/excalidraw/excalidraw/blob/master/src/packages/excalidraw/README.md#restoreElements) about `localElements`.
**_How to use_**
@ -93,7 +93,7 @@ This function makes sure elements and state is set to appropriate values and set
**_Signature_**
<pre>
restoreLibraryItems(libraryItems: <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/data/types.ts#L34">ImportedDataState["libraryItems"]</a>,<br/>&nbsp;
restoreLibraryItems(libraryItems: <a href="https://github.com/excalidraw/excalidraw/blob/master/src/data/types.ts#L34">ImportedDataState["libraryItems"]</a>,<br/>&nbsp;
defaultStatus: "published" | "unpublished")
</pre>

View File

@ -8,7 +8,7 @@ These are pure Javascript functions exported from the @excalidraw/excalidraw [`@
### serializeAsJSON
Takes the scene elements and state and returns a JSON string. `Deleted` elements as well as most properties from `AppState` are removed from the resulting JSON. (see [`serializeAsJSON()`](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/data/json.ts#L42) source for details).
Takes the scene elements and state and returns a JSON string. `Deleted` elements as well as most properties from `AppState` are removed from the resulting JSON. (see [`serializeAsJSON()`](https://github.com/excalidraw/excalidraw/blob/master/src/data/json.ts#L42) source for details).
If you want to overwrite the `source` field in the `JSON` string, you can set `window.EXCALIDRAW_EXPORT_SOURCE` to the desired value.
@ -16,8 +16,8 @@ If you want to overwrite the `source` field in the `JSON` string, you can set `w
<pre>
serializeAsJSON(&#123;<br/>&nbsp;
elements: <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/element/types.ts#L114">ExcalidrawElement[]</a>,<br/>&nbsp;
appState: <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L95">AppState</a>,<br/>
elements: <a href="https://github.com/excalidraw/excalidraw/blob/master/src/element/types.ts#L114">ExcalidrawElement[]</a>,<br/>&nbsp;
appState: <a href="https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L95">AppState</a>,<br/>
}): string
</pre>
@ -37,7 +37,7 @@ If you want to overwrite the source field in the JSON string, you can set `windo
<pre>
serializeLibraryAsJSON(
libraryItems: <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L200">LibraryItems[]</a>)
libraryItems: <a href="https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L200">LibraryItems[]</a>)
</pre>
**How to use**
@ -53,7 +53,7 @@ Returns `true` if element is invisibly small (e.g. width & height are zero).
**_Signature_**
<pre>
isInvisiblySmallElement(element: <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/element/types.ts#L114">ExcalidrawElement</a>): boolean
isInvisiblySmallElement(element: <a href="https://github.com/excalidraw/excalidraw/blob/master/src/element/types.ts#L114">ExcalidrawElement</a>): boolean
</pre>
**How to use**
@ -80,10 +80,10 @@ excalidrawAPI.updateScene(scene);
<pre>
loadFromBlob(<br/>&nbsp;
blob: <a href="https://developer.mozilla.org/en-US/docs/Web/API/Blob">Blob</a>,<br/>&nbsp;
localAppState: <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L95">AppState</a> | null,<br/>&nbsp;
localElements: <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/element/types.ts#L114">ExcalidrawElement[]</a> | null,<br/>&nbsp;
localAppState: <a href="https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L95">AppState</a> | null,<br/>&nbsp;
localElements: <a href="https://github.com/excalidraw/excalidraw/blob/master/src/element/types.ts#L114">ExcalidrawElement[]</a> | null,<br/>&nbsp;
fileHandle?: FileSystemHandle | null <br/>
) => Promise&lt;<a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/data/restore.ts#L61">RestoredDataState</a>>
) => Promise&lt;<a href="https://github.com/excalidraw/excalidraw/blob/master/src/data/restore.ts#L61">RestoredDataState</a>>
</pre>
### loadLibraryFromBlob
@ -129,11 +129,11 @@ if (contents.type === MIME_TYPES.excalidraw) {
<pre>
loadSceneOrLibraryFromBlob(<br/>&nbsp;
blob: <a href="https://developer.mozilla.org/en-US/docs/Web/API/Blob">Blob</a>,<br/>&nbsp;
localAppState: <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L95">AppState</a> | null,<br/>&nbsp;
localElements: <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/element/types.ts#L114">ExcalidrawElement[]</a> | null,<br/>&nbsp;
blob: <a href="https://developer.mozilla.org/en-US/docs/Web/API/Blob">Blob</a>,
localAppState: <a href="https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L95">AppState</a> | null,<br/>&nbsp;
localElements: <a href="https://github.com/excalidraw/excalidraw/blob/master/src/element/types.ts#L114">ExcalidrawElement[]</a> | null,<br/>&nbsp;
fileHandle?: FileSystemHandle | null<br/>
) => Promise&lt;&#123; type: string, data: <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/data/restore.ts#L53">RestoredDataState</a> | <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/data/types.ts#L33">ImportedLibraryState</a>}>
) => Promise&lt;&#123; type: string, data: <a href="https://github.com/excalidraw/excalidraw/blob/master/src/data/restore.ts#L53">RestoredDataState</a> | <a href="https://github.com/excalidraw/excalidraw/blob/master/src/data/types.ts#L33">ImportedLibraryState</a>}>
</pre>
### getFreeDrawSvgPath
@ -149,7 +149,7 @@ import { getFreeDrawSvgPath } from "@excalidraw/excalidraw";
**Signature**
<pre>
getFreeDrawSvgPath(element: <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/element/types.ts#L182">ExcalidrawFreeDrawElement</a>)
getFreeDrawSvgPath(element: <a href="https://github.com/excalidraw/excalidraw/blob/master/src/element/types.ts#L182">ExcalidrawFreeDrawElement</a>)
</pre>
### isLinearElement
@ -164,9 +164,9 @@ import { isLinearElement } from "@excalidraw/excalidraw";
**Signature**
<pre>
isLinearElement(elementType?: <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/element/types.ts#L80">ExcalidrawElement</a>): boolean
</pre>
```tsx
isLinearElement(elementType?: <a href="https://github.com/excalidraw/excalidraw/blob/master/src/element/types.ts#L80">ExcalidrawElement</a>): boolean
```
### getNonDeletedElements
@ -181,7 +181,7 @@ import { getNonDeletedElements } from "@excalidraw/excalidraw";
**Signature**
<pre>
getNonDeletedElements(elements:<a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/element/types.ts#L114"> readonly ExcalidrawElement[]</a>): as readonly <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/element/types.ts#L125">NonDeletedExcalidrawElement[]</a>
getNonDeletedElements(elements:<a href="https://github.com/excalidraw/excalidraw/blob/master/src/element/types.ts#L114"> readonly ExcalidrawElement[]</a>): as readonly <a href="https://github.com/excalidraw/excalidraw/blob/master/src/element/types.ts#L125">NonDeletedExcalidrawElement[]</a>
</pre>
### mergeLibraryItems
@ -195,10 +195,8 @@ import { mergeLibraryItems } from "@excalidraw/excalidraw";
**_Signature_**
<pre>
mergeLibraryItems(<br/>&nbsp;
localItems: <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L250">LibraryItems</a>,<br/>&nbsp;
otherItems: <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L200">LibraryItems</a><br/>
): <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L250">LibraryItems</a>
mergeLibraryItems(localItems: <a href="https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L250">LibraryItems</a>,<br/>&nbsp;
otherItems: <a href="https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L200">LibraryItems</a>) => <a href="https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L250">LibraryItems</a>
</pre>
### parseLibraryTokensFromUrl
@ -239,8 +237,8 @@ export const App = () => {
<pre>
useHandleLibrary(opts: &#123;<br/>&nbsp;
excalidrawAPI: <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L494">ExcalidrawAPI</a>,<br/>&nbsp;
getInitialLibraryItems?: () => <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L253">LibraryItemsSource</a><br/>
excalidrawAPI: <a href="https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L494">ExcalidrawAPI</a>,<br/>&nbsp;
getInitialLibraryItems?: () => <a href="https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L253">LibraryItemsSource</a><br/>
});
</pre>
@ -253,7 +251,7 @@ This function returns the current `scene` version.
**_Signature_**
<pre>
getSceneVersion(elements: <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/element/types.ts#L114">ExcalidrawElement[]</a>)
getSceneVersion(elements: <a href="https://github.com/excalidraw/excalidraw/blob/master/src/element/types.ts#L114">ExcalidrawElement[]</a>)
</pre>
**How to use**
@ -274,7 +272,7 @@ import { sceneCoordsToViewportCoords } from "@excalidraw/excalidraw";
<pre>
sceneCoordsToViewportCoords(&#123; sceneX: number, sceneY: number },<br/>&nbsp;
appState: <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L95">AppState</a><br/>): &#123; x: number, y: number }
appState: <a href="https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L95">AppState</a><br/>): &#123; x: number, y: number }
</pre>
### viewportCoordsToSceneCoords
@ -289,7 +287,7 @@ import { viewportCoordsToSceneCoords } from "@excalidraw/excalidraw";
<pre>
viewportCoordsToSceneCoords(&#123; clientX: number, clientY: number },<br/>&nbsp;
appState: <a href="https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/types.ts#L95">AppState</a><br/>): &#123;x: number, y: number}
appState: <a href="https://github.com/excalidraw/excalidraw/blob/master/src/types.ts#L95">AppState</a><br/>): &#123;x: number, y: number}
</pre>
### useDevice
@ -301,7 +299,7 @@ Open the `main menu` in the below example to view the footer.
```jsx live noInline
const MobileFooter = ({}) => {
const device = useDevice();
if (device.editor.isMobile) {
if (device.isMobile) {
return (
<Footer>
<button
@ -333,15 +331,14 @@ const App = () => (
render(<App />);
```
The `device` has the following `attributes`, some grouped into `viewport` and `editor` objects, per context.
The `device` has the following `attributes`
| Name | Type | Description |
| --- | --- | --- |
| `viewport.isMobile` | `boolean` | Set to `true` when viewport is in `mobile` breakpoint |
| `viewport.isLandscape` | `boolean` | Set to `true` when the viewport is in `landscape` mode |
| `editor.canFitSidebar` | `boolean` | Set to `true` if there's enough space to fit the `sidebar` |
| `editor.isMobile` | `boolean` | Set to `true` when editor container is in `mobile` breakpoint |
| `isTouchScreen` | `boolean` | Set to `true` for `touch` when touch event detected |
| `isSmScreen` | `boolean` | Set to `true` when the device small screen is small (Width < `640px` ) |
| `isMobile` | `boolean` | Set to `true` when the device is `mobile` |
| `isTouchScreen` | `boolean` | Set to `true` for `touch` devices |
| `canDeviceFitSidebar` | `boolean` | Implies whether there is enough space to fit the `sidebar` |
### i18n
@ -350,8 +347,8 @@ To help with localization, we export the following.
| name | type |
| --- | --- |
| `defaultLang` | `string` |
| `languages` | [`Language[]`](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/i18n.ts#L15) |
| `useI18n` | [`() => { langCode, t }`](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/i18n.ts#L15) |
| `languages` | [`Language[]`](https://github.com/excalidraw/excalidraw/blob/master/src/i18n.ts#L15) |
| `useI18n` | [`() => { langCode, t }`](https://github.com/excalidraw/excalidraw/blob/master/src/i18n.ts#L15) |
```js
import { defaultLang, languages, useI18n } from "@excalidraw/excalidraw";
@ -386,94 +383,3 @@ function App() {
);
}
```
### getCommonBounds
This util can be used to get the common bounds of the passed elements.
**_Signature_**
```ts
getCommonBounds(
elements: readonly ExcalidrawElement[]
): readonly [
minX: number,
minY: number,
maxX: number,
maxY: number,
]
```
**_How to use_**
```js
import { getCommonBounds } from "@excalidraw/excalidraw";
```
### elementsOverlappingBBox
To filter `elements` that are inside, overlap, or contain the `bounds` rectangle.
The bounds check is approximate and does not precisely follow the element's shape. You can also supply `errorMargin` which effectively makes the `bounds` larger by that amount.
This API has 3 `type`s of operation: `overlap`, `contain`, and `inside`:
- `overlap` - filters elements that are overlapping or inside bounds.
- `contain` - filters elements that are inside bounds or bounds inside elements.
- `inside` - filters elements that are inside bounds.
**_Signature_**
<pre>
elementsOverlappingBBox(<br/>&nbsp;
elements: readonly NonDeletedExcalidrawElement[];<br/>&nbsp;
bounds: <a href="https://github.com/excalidraw/excalidraw/blob/9c425224c789d083bf16e0597ce4a429b9ee008e/src/element/bounds.ts#L37-L42">Bounds</a> | ExcalidrawElement;<br/>&nbsp;
errorMargin?: number;<br/>&nbsp;
type: "overlap" | "contain" | "inside";<br/>
): NonDeletedExcalidrawElement[];
</pre>
**_How to use_**
```js
import { elementsOverlappingBBox } from "@excalidraw/excalidraw";
```
### isElementInsideBBox
Lower-level API than `elementsOverlappingBBox` to check if a single `element` is inside `bounds`. If `eitherDirection=true`, returns `true` if `element` is fully inside `bounds` rectangle, or vice versa. When `false`, it returns `true` only for the former case.
**_Signature_**
<pre>
isElementInsideBBox(<br/>&nbsp;
element: NonDeletedExcalidrawElement,<br/>&nbsp;
bounds: <a href="https://github.com/excalidraw/excalidraw/blob/9c425224c789d083bf16e0597ce4a429b9ee008e/src/element/bounds.ts#L37-L42">Bounds</a>,<br/>&nbsp;
eitherDirection = false,<br/>
): boolean
</pre>
**_How to use_**
```js
import { isElementInsideBBox } from "@excalidraw/excalidraw";
```
### elementPartiallyOverlapsWithOrContainsBBox
Checks if `element` is overlapping the `bounds` rectangle, or is fully inside.
**_Signature_**
<pre>
elementPartiallyOverlapsWithOrContainsBBox(<br/>&nbsp;
element: NonDeletedExcalidrawElement,<br/>&nbsp;
bounds: <a href="https://github.com/excalidraw/excalidraw/blob/9c425224c789d083bf16e0597ce4a429b9ee008e/src/element/bounds.ts#L37-L42">Bounds</a>,<br/>
): boolean
</pre>
**_How to use_**
```js
import { elementPartiallyOverlapsWithOrContainsBBox } from "@excalidraw/excalidraw";
```

View File

@ -1,6 +1,6 @@
# Customizing Styles
Excalidraw uses CSS variables to style certain components. To override them, you should set your own on the `.excalidraw` and `.excalidraw.theme--dark` (for dark mode variables) selectors.
Excalidraw is using CSS variables to style certain components. To override them, you should set your own on the `.excalidraw` and `.excalidraw.theme--dark` (for dark mode variables) selectors.
Make sure the selector has higher specificity, e.g. by prefixing it with your app's selector:
@ -21,7 +21,7 @@ Most notably, you can customize the primary colors, by overriding these variable
- `--color-primary-light`
- `--color-primary-contrast-offset` — a slightly darker (in light mode), or lighter (in dark mode) `--color-primary` color to fix contrast issues (see [Chubb illusion](https://en.wikipedia.org/wiki/Chubb_illusion)). It will fall back to `--color-primary` if not present.
For a complete list of variables, check [theme.scss](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/css/theme.scss), though most of them will not make sense to override.
For a complete list of variables, check [theme.scss](https://github.com/excalidraw/excalidraw/blob/master/src/css/theme.scss), though most of them will not make sense to override.
```css showLineNumbers
.custom-styles .excalidraw {

View File

@ -13,7 +13,7 @@ To start the example app using the `@excalidraw/excalidraw` package, follow the
1. Install the dependencies
```bash
cd packages/excalidraw && yarn
cd src/packages/excalidraw && yarn
```
2. Start the example app
@ -43,7 +43,7 @@ Once the version is released `@excalibot` will post a comment with the release v
To release the next stable version follow the below steps:
```bash
yarn prerelease:excalidraw
yarn prerelease version
```
You need to pass the `version` for which you want to create the release. This will make the changes needed before making the release like updating `package.json`, `changelog` and more.
@ -51,7 +51,7 @@ You need to pass the `version` for which you want to create the release. This wi
The next step is to run the `release` script:
```bash
yarn release:excalidraw
yarn release
```
This will publish the package.

View File

@ -2,7 +2,7 @@
### Does this package support collaboration ?
No, Excalidraw package doesn't come with collaboration built in, since the implementation is specific to each host app. We expose APIs which you can use to communicate with Excalidraw which you can use to implement it. You can check our own implementation [here](https://github.com/excalidraw/excalidraw/blob/master/excalidraw-app/index.tsx). Here is a [detailed answer](https://github.com/excalidraw/excalidraw/discussions/3879#discussioncomment-1110524) on how you can achieve the same.
No, Excalidraw package doesn't come with collaboration built in, since the implementation is specific to each host app. We expose APIs which you can use to communicate with Excalidraw which you can use to implement it. You can check our own implementation [here](https://github.com/excalidraw/excalidraw/blob/master/src/excalidraw-app/index.tsx). Here is a [detailed answer](https://github.com/excalidraw/excalidraw/discussions/3879#discussioncomment-1110524) on how you can achieve the same.
### Turning off Aggressive Anti-Fingerprinting in Brave browser
@ -18,7 +18,7 @@ We strongly recommend turning it off. You can follow the steps below on how to d
2. Once opened, look for **Aggressively Block Fingerprinting**
![Aggressive block fingerprinting](../../assets/aggressive-block-fingerprint.png)
![Aggresive block fingerprinting](../../assets/aggressive-block-fingerprint.png)
3. Switch to **Block Fingerprinting**
@ -31,17 +31,6 @@ We strongly recommend turning it off. You can follow the steps below on how to d
If disabling this setting doesn't fix the display of text elements, please consider opening an [issue](https://github.com/excalidraw/excalidraw/issues/new) on our GitHub, or message us on [Discord](https://discord.gg/UexuTaE).
### ReferenceError: process is not defined
When using `vite` or any build tools, you will have to make sure the `process` is accessible as we are accessing `process.env.IS_PREACT` to decide whether to use `preact` build.
Since Vite removes env variables by default, you can update the vite config to ensure its available :point_down:
```
define: {
"process.env.IS_PREACT": JSON.stringify("true"),
},
```
## Need help?

View File

@ -30,74 +30,25 @@ function App() {
}
```
### Next.js
### Rendering Excalidraw only on client
Since _Excalidraw_ doesn't support server side rendering, you should render the component once the host is `mounted`.
Here are two ways on how you can render **Excalidraw** on **Next.js**.
1. Using **Next.js Dynamic** import [Recommended].
Since Excalidraw doesn't support server side rendering so you can also use `dynamic import` to render by setting `ssr` to `false`.
```jsx showLineNumbers
import dynamic from "next/dynamic";
const Excalidraw = dynamic(
async () => (await import("@excalidraw/excalidraw")).Excalidraw,
{
ssr: false,
},
);
export default function App() {
return <Excalidraw />;
}
```
Here is a working [demo](https://codesandbox.io/p/sandbox/excalidraw-with-next-dynamic-k8yjq2).
2. Importing Excalidraw once **client** is rendered.
The following worfklow shows one way how to render Excalidraw on Next.js. We'll add more detailed and alternative Next.js examples, soon.
```jsx showLineNumbers
import { useState, useEffect } from "react";
export default function App() {
const [Excalidraw, setExcalidraw] = useState(null);
useEffect(() => {
import("@excalidraw/excalidraw").then((comp) =>
setExcalidraw(comp.Excalidraw),
);
import("@excalidraw/excalidraw").then((comp) => setExcalidraw(comp.Excalidraw));
}, []);
return <>{Excalidraw && <Excalidraw />}</>;
}
```
Here is a working [demo](https://codesandbox.io/p/sandbox/excalidraw-with-next-5xb3d)
The `types` are available at `@excalidraw/excalidraw/types`, you can view [example for typescript](https://codesandbox.io/s/excalidraw-types-9h2dm)
### Preact
Since we support `umd` build ships with `react/jsx-runtime` and `react-dom/client` inlined with the package. This conflicts with `Preact` and hence the build doesn't work directly with `Preact`.
However we have shipped a separate build for `Preact` so if you are using `Preact` you need to set `process.env.IS_PREACT` to `true` to use the `Preact` build.
Once the above `env` variable is set, you will be able to use the package in `Preact` as well.
:::info
When using `vite` or any build tools, you will have to make sure the `process` is accessible as we are accessing `process.env.IS_PREACT` to decide whether to use `preact` build.
Since Vite removes env variables by default, you can update the vite config to ensure its available :point_down:
```
define: {
"process.env.IS_PREACT": JSON.stringify("true"),
},
```
:::
## Browser
To use it in a browser directly:
@ -148,7 +99,7 @@ import TabItem from "@theme/TabItem";
<h1>Excalidraw Embed Example</h1>
<div id="app"></div>
</div>
<script type="text/javascript" src="packages/excalidraw/index.js"></script>
<script type="text/javascript" src="src/index.js"></script>
</body>
</html>
```

View File

@ -1,155 +0,0 @@
# API
At the moment the mermaid-to-excalidraw works in two steps. First, you call `parseMermaidToExcalidraw(mermaidSyntax)` on the mermaid diagram definition string, which resolves with elements in a skeleton format — a simplified excalidraw JSON format (docs coming soon). You then pass them to `convertToExcalidrawElements(elements)` to get the fully qualified excalidraw elements you can render in the editor.
The need for these two steps is due to the [@excalidraw/excalidraw](/docs/@excalidraw/excalidraw/installation) being a **UMD** build so we currently cannot import the `convertToExcalidrawElements()` util alone, until we support a tree-shakeable **ESM** build.
## parseMermaidToExcalidraw
This API receives the mermaid syntax as the input, and resolves to skeleton Excalidraw elements. You will need to call `convertToExcalidraw` API to convert them to fully qualified elements that you can render in Excalidraw.
** Example **
```ts
import { parseMermaidToExcalidraw } from "@excalidraw/mermaid-to-excalidraw";
import { convertToExcalidrawElements} from "@excalidraw/excalidraw"
try {
const { elements, files } = await parseMermaid(mermaidSyntax: string, {
fontSize: number,
});
const excalidrawElements = convertToExcalidrawElements(elements);
// Render elements and files on Excalidraw
} catch (e) {
// Parse error, displaying error message to users
}
```
## Supported Diagram Types
Currently only [flowcharts](https://mermaid.js.org/syntax/flowchart.html) are supported. Oother diagram types will be rendered as an image in Excalidraw.
### Flowchart
#### Excalidraw Regular Shapes
**Rectangles**, **Circle**, **Diamond**, and **Arrows** are fully supported in Excalidraw
```
flowchart TD
A[Christmas] -->|Get money| B(Go shopping)
B --> C{Let me think}
C -->|One| D[Laptop]
C -->|Two| E[iPhone]
C -->|Three| F[Car]
```
<img src="https://github.com/excalidraw/excalidraw/assets/11256141/c8ea84fc-e9fb-4652-9a12-154136d1a798" width="250" height="200"/>
```
flowchart LR
id1((Hello from Circle))
```
<img src="https://github.com/excalidraw/excalidraw/assets/11256141/6202a8b9-8aa7-451e-9478-4d8d75c0f2fa" width="250" height="200"/>
#### Subgraphs
Subgraphs are grouped diagrams hence they are also supported in Excalidraw
```
flowchart TB
c1-->a2
subgraph one
a1-->a2
end
subgraph two
b1-->b2
end
subgraph three
c1-->c2
end
```
<img src="https://github.com/excalidraw/excalidraw/assets/11256141/098bce52-8f93-437c-9a06-c6972e27c70a" width="350" height="200"/>
#### Unsupported shapes fallback to Rectangle
**Subroutine**, **Cylindrical**, **Asymmetric**, **Hexagon**, **Parallelogram**, **Trapezoid** are not supported in Excalidraw hence they fallback to the closest shape **Rectangle**
```
flowchart LR
id1[[Subroutine fallback to Rectangle]]
id2[(Cylindrical fallback to Rectangle)]
id3>Asymmetric fallback to Rectangle]
id4{{Hexagon fallback to Rectangle}}
id5[/Parallelogram fallback to Rectangle /]
id6[/Trapezoid fallback to Rectangle\]
```
The above shapes are not supported in Excalidraw hence they fallback to Rectangle
<img src="https://github.com/excalidraw/excalidraw/assets/11256141/cb269473-16c5-4c35-bd7a-d631d8cc5b47" width="350" height="200"/>
#### Markdown fallback to Regular text
Since we don't support wysiwyg text editor yet, hence [Markdown Strings](https://mermaid.js.org/syntax/flowchart.html#markdown-strings) will fallback to regular text.
```
flowchart LR
A("`Hello **World**`") --> B("`Whats **up** ?`")
```
<img src="https://github.com/excalidraw/excalidraw/assets/11256141/107bd428-9ab9-42d4-ba12-b1e29c8db478" width="250" height="200"/>
#### Basic FontAwesome fallback to text
The [FontAwesome](https://mermaid.js.org/syntax/flowchart.html#basic-support-for-fontawesome) icons aren't support so they won't be rendered in Excalidraw
```
flowchart TD
B["fab:fa-twitter for peace"]
B-->C[fa:fa-ban forbidden]
B-->E(A fa:fa-camera-retro perhaps?)
```
<img src="https://github.com/excalidraw/excalidraw/assets/11256141/7a693863-c3f9-42ff-b325-4b3f8303c7af" width="250" height="200"/>
#### Cross Arrow head fallback to Bar Arrow head
```
flowchart LR
Start x--x Stop
```
<img src="https://github.com/excalidraw/excalidraw/assets/11256141/217dd1ad-7f4e-4c80-8c1c-03647b42d821" width="250" height="200"/>
## Unsupported Diagram Types
Currently only [flowcharts](https://mermaid.js.org/syntax/flowchart.html) are supported. All other diagram types will be rendered as an image in Excalidraw.
```
erDiagram
CUSTOMER ||--o{ ORDER : places
ORDER ||--|{ LINE-ITEM : contains
CUSTOMER }|..|{ DELIVERY-ADDRESS : uses
```
<img src="https://github.com/excalidraw/excalidraw/assets/11256141/c1d3fdb3-32ef-4bf3-a38a-02ac3d7d2cb9" width="300" height="200"/>
```
gitGraph
commit
commit
branch develop
checkout develop
commit
commit
checkout main
merge develop
commit
commit
```
<img src="https://github.com/excalidraw/excalidraw/assets/11256141/e5dcec0b-d570-4eb4-b981-412a996aa96c" width="400" height="300"/>

View File

@ -1,7 +0,0 @@
# Codebase
The Codebase is divided into 2 Sections
* [How Parser Works under the hood](/docs/@excalidraw/mermaid-to-excalidraw/codebase/parser) - If you are interested in understanding and deep diving into inner workings of the Parser, then make sure to checkout this section.
* [Adding a new diagram type](/docs/@excalidraw/mermaid-to-excalidraw/codebase/new-diagram-type) - If you want to help us make the mermaid to Excalidraw Parser more powerful, you will find all information in this section to do so.

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@ -1,54 +0,0 @@
# Adding a new Diagram Type
To add a new diagram type to the parser you can follow the below steps :point_down:
All the code for the parser resides in [`src`](https://github.com/excalidraw/mermaid-to-excalidraw/tree/master/src) folder and for playground resides in [`playground`](https://github.com/excalidraw/mermaid-to-excalidraw/tree/master/playground) folder.
lets run the playground server in local :point_down:
```bash
yarn start
```
This will start the playground server in port `1234` and open it in browser so you start playing with the playground.
## Update Supported Diagram Types
First step is to add the new diagram type in [`SUPPORTED_DIAGRAM_TYPES`](https://github.com/excalidraw/mermaid-to-excalidraw/blob/master/src/constants.ts#L2).
Once this is done the new diagram type won't be rendered as an image but start throwing error since we don't support parsing the data yet.
## Writing the Diagram Parser
Once the diagram type is added in previous step. Next step is to write the parser to parse the mermaid diagram.
For this create a file named `{{diagramType}}.ts` in [`src/parser`](https://github.com/excalidraw/mermaid-to-excalidraw/tree/master/src/parser) and write a function `parseMermaid{{diagramType}}Diagram` similar to how we [`parseMermaidFlowChartDiagram`](https://github.com/excalidraw/mermaid-to-excalidraw/blob/master/src/parser/flowchart.ts#L256) for parsing flowchart diagram.
The main aim of the parser is :point_down:
1. Determine how elements are connected in the diagram and thus finding arrow and text bindings.
For this you might have to dig in to the parser `diagram.parser.yy` and which attributes to parse for the new diagram.
2. Determine the position and dimensions of each element, for this would be using the `svg`
Once the parser is ready, lets start using it.
Add the diagram type in switch case in [`parseMermaid`](https://github.com/excalidraw/mermaid-to-excalidraw/blob/master/src/parseMermaid.ts#L97) and call the parser for the same.
## Writing the Excalidraw Skeleton Convertor
With the completion of previous step, we have all the data, now we need to transform it so to [ExcalidrawElementSkeleton](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/data/transform.ts#L133) format.
Similar to [`FlowChartToExcalidrawSkeletonConverter`](https://github.com/excalidraw/mermaid-to-excalidraw/blob/master/src/converter/types/flowchart.ts#L24), you have to write the `{{diagramType}}ToExcalidrawSkeletonConverter` which parses the data received in previous step and returns the [ExcalidrawElementSkeleton](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/data/transform.ts#L133).
Thats it, you have added the new diagram type 🥳, now lets test it out!
## Updating the Playground
1. Create a file named `{{diagramType}}.ts` in [`playround/testcases/`](https://github.com/excalidraw/mermaid-to-excalidraw/tree/master/playground/testcases). For reference you can check [`flowchart.ts`](https://github.com/excalidraw/mermaid-to-excalidraw/blob/master/playground/testcases/flowchart.ts).
2. Incase the new diagram type added is present in [`unsupported.ts`](https://github.com/excalidraw/mermaid-to-excalidraw/blob/master/playground/testcases/unsupported.ts) then remove it from there.
3. Verify if the test cases are running fine in playground.

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@ -1,177 +0,0 @@
# Flowchart Parser
As mentioned in the previous section, we use [getDiagramFromText](https://github.com/mermaid-js/mermaid/blob/00d06c7282a701849793680c1e97da1cfdfcce62/packages/mermaid/src/Diagram.ts#L80) to parse the full defination and get the [Diagram](https://github.com/mermaid-js/mermaid/blob/00d06c7282a701849793680c1e97da1cfdfcce62/packages/mermaid/src/Diagram.ts#L15) json from it.
In this section we will be diving into how the [flowchart parser](https://github.com/excalidraw/mermaid-to-excalidraw/blob/master/src/parser/flowchart.ts#L256) works behind the scenes.
![image](https://github.com/excalidraw/excalidraw/assets/11256141/2a097bbb-64bf-49d6-bf7f-21172bdb538d)
We use `diagram.parser.yy` attribute to parse the data. If you want to know more about how the `diagram.parse.yy` attribute looks like, you can check it [here](https://github.com/mermaid-js/mermaid/blob/00d06c7282a701849793680c1e97da1cfdfcce62/packages/mermaid/src/diagrams/flowchart/flowDb.js#L768), however for scope of flowchart we are using **3** APIs from this parser to compute `vertices`, `edges` and `clusters` as we need these data to transform to [ExcalidrawElementSkeleton](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/data/transform.ts#L133C13-L133C38).
For computing `vertices` and `edge`s lets consider the below svg generated by mermaid
![image](https://github.com/excalidraw/excalidraw/assets/11256141/d7013305-0b90-4fa0-a66e-b4f4604ad0b2)
## Computing the vertices
We use `getVertices` API from `diagram.parse.yy` to get the vertices for a given flowchart.
Considering the same example this is the response from the API
```js
{
"start": {
"id": "start",
"labelType": "text",
"domId": "flowchart-start-1414",
"styles": [],
"classes": [],
"text": "start",
"props": {}
},
"stop": {
"id": "stop",
"labelType": "text",
"domId": "flowchart-stop-1415",
"styles": [],
"classes": [],
"text": "stop",
"props": {}
}
}
```
The dimensions and position is missing in this response and we need that to transform to [ExcalidrawElementSkeleton](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/data/transform.ts#L133C13-L133C38), for this we have our own parser [`parseVertex`](https://github.com/excalidraw/mermaid-to-excalidraw/blob/master/src/parseMermaid.ts#L178) which takes the above response and uses the `svg` together to compute position, dimensions and cleans up the response.
The final output from `parseVertex` looks like :point_down:
```js
{
"start": {
"id": "start",
"labelType": "text",
"text": "start",
"x": 0,
"y": 0,
"width": 67.796875,
"height": 44,
"containerStyle": {},
"labelStyle": {}
},
"stop": {
"id": "stop",
"labelType": "text",
"text": "stop",
"x": 117.796875,
"y": 0,
"width": 62.3828125,
"height": 44,
"containerStyle": {},
"labelStyle": {}
}
}
```
## Computing the edges
The lines and arrows are considered as `edges` in mermaid as shown in the above diagram.
We use `getEdges` API from `diagram.parse.yy` to get the edges for a given flowchart.
Considering the same example this is the response from the API
```js
[
{
"start": "start",
"end": "stop",
"type": "arrow_point",
"text": "",
"labelType": "text",
"stroke": "normal",
"length": 1
}
]
```
Similarly here the dimensions and position is missing and we compute that from the svg. The [`parseEdge`](https://github.com/excalidraw/mermaid-to-excalidraw/blob/master/src/parseMermaid.ts#L245) takes the above response along with `svg` and computes the position, dimensions and cleans up the response.
The final output from `parseEdge` looks like :point_down:
```js
[
{
"start": "start",
"end": "stop",
"type": "arrow_point",
"text": "",
"labelType": "text",
"stroke": "normal",
"startX": 67.797,
"startY": 22,
"endX": 117.797,
"endY": 22,
"reflectionPoints": [
{
"x": 67.797,
"y": 22
},
{
"x": 117.797,
"y": 22
}
]
}
]
```
## Computing the Subgraphs
`Subgraphs` is collection of elements grouped together. The Subgraphs map to `grouping` elements in Excalidraw.
Lets consider the below example :point_down:
![image](https://github.com/excalidraw/excalidraw/assets/11256141/5243ce4c-beaa-43d2-812a-0577b0a574d7)
We use `getSubgraphs` API to get the subgraph data for a given flowchart.
Considering the same example this is the response from the API
```js
[
{
"id": "one",
"nodes": [
"flowchart-a2-1399",
"flowchart-a1-1400"
],
"title": "one",
"classes": [],
"labelType": "text"
}
]
```
For position and dimensions we use the svg to compute. The [`parseSubgraph`](https://github.com/excalidraw/mermaid-to-excalidraw/blob/master/src/parseMermaid.ts#L139) takes the above response along with `svg` and computes the position, dimensions and cleans up the response.
```js
[
{
"id": "one",
"nodes": [
"flowchart-a2-1399",
"flowchart-a1-1400"
],
"title": "one",
"labelType": "text",
"nodeIds": [
"a2",
"a1"
],
"x": 75.4921875,
"y": 0,
"width": 121.25,
"height": 188,
"text": "one"
}
]
```

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@ -1,65 +0,0 @@
# How the Parser works under the hood ?
[This](https://github.com/excalidraw/mermaid-to-excalidraw/blob/master/src/index.ts) is the entry point of the library.
`parseMermaidToExcalidraw` function is the only function exposed which receives mermaid syntax as the input, parses the mermaid syntax and resolves to Excalidraw Skeleton.
Lets look at the high level overview at how the parse works :point_down:
![image](https://github.com/excalidraw/excalidraw/assets/11256141/8e060de7-b867-44ad-864b-0c1b24466b67)
Lets dive deeper into individual section now to understand better.
## Parsing Mermaid diagram
One of the dependencies of the library is [`mermaid`](https://www.npmjs.com/package/mermaid) library.
We need the mermaid diagram in some extractable format so we can parse it to Excalidraw Elements.
Parsing is broken into two steps
1. [`Rendering Mermaid to Svg`](/docs/@excalidraw/mermaid-to-excalidraw/codebase/parser#rendering-mermaid-to-svg) - This helps in determining the position and dimensions of each element in the diagram
2. [`Parsing the mermaid syntax`](/docs/@excalidraw/mermaid-to-excalidraw/codebase/parser#parsing-the-mermaid-syntax) - We also need to know how elements are connected which isn't possible with svg alone hence we also parse the mermaid syntax which helps in determining the connections and bindings between elements in the diagram.
### Rendering Mermaid to Svg
![image](https://github.com/excalidraw/excalidraw/assets/11256141/2c24cf7b-f096-4c12-88db-55520de27558)
The [`mermaid`](https://www.npmjs.com/package/mermaid) library provides the API `mermaid.render` API which gives the output of the diagram in `svg`.
If the diagram isn't supported, this svg is converted to `dataURL` and can be rendered as an image in Excalidraw.
### Parsing the mermaid syntax
For this we first need to process the options along with mermaid defination for diagram provided by the user.
[`processMermaidTextWithOptions`](https://github.com/excalidraw/mermaid-to-excalidraw/blob/master/src/parseMermaid.ts#L13) takes the mermaid defination and options and returns the full defination including the mermaid [directives ](https://mermaid.js.org/config/directives.html).
![image](https://github.com/excalidraw/excalidraw/assets/11256141/3a4825d8-9704-468c-a02f-7e507f4d5b7a)
Next we use mermaid api [getDiagramFromText](https://github.com/mermaid-js/mermaid/blob/00d06c7282a701849793680c1e97da1cfdfcce62/packages/mermaid/src/Diagram.ts#L80) to parse the full defination and get the [Diagram](https://github.com/mermaid-js/mermaid/blob/00d06c7282a701849793680c1e97da1cfdfcce62/packages/mermaid/src/Diagram.ts#L15) json from it.
```js
const diagram = await mermaid.mermaidAPI.getDiagramFromText(fullDefinition);
```
Next we write our own parser to parse this diagram.
### Parsing the Diagram
For each diagram type, we need a parser as the result of every diagram would differ and dependinng on the data we have to write the parser. Since currently we support flowchart, so here is the [`parseMermaidFlowChartDiagram`](https://github.com/excalidraw/mermaid-to-excalidraw/blob/master/src/parser/flowchart.ts#L256) to parse the flowchart diagram.
If you want to understand how flowchart parser works, you can navigate to [Flowchart Parser](http://localhost:3003/docs/@excalidraw/mermaid-to-excalidraw/codebase/parser/flowchart).
## Converting to ExcalidrawElementSkeleton
Now we have all the data, we just need to transform it to [ExcalidrawElementSkeleton](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/data/transform.ts#L133C13-L133C38) API so it can be rendered in Excalidraw.
For this we have `converters` which takes the parsed mermaid data and gives back the Excalidraw Skeleton.
For Unsupported types, we have already mentioned above that we convert it to `dataURL` and return the ExcalidrawImageSkeleton.
For supported types, currently only flowchart, we have [flowchartConverter](https://github.com/excalidraw/mermaid-to-excalidraw/blob/master/src/converter/types/flowchart.ts#L24) which parses the data and converts to [ExcalidrawElementSkeleton](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/data/transform.ts#L133C13-L133C38).
![image](https://github.com/excalidraw/excalidraw/assets/11256141/00226e9d-043d-4a08-989a-3ad9d2a574f1)

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@ -1,60 +0,0 @@
# Development
This page relates to developing the `@excalidraw/mermaid-to-excalidraw` package itself.
## Setting up in Local
To set up the library in local, follow the below steps 👇🏼
### Clone the Repository
Go to [@excalidraw/mermaid-to-excalidraw](https://github.com/excalidraw/mermaid-to-excalidraw) and clone the repository to your local.
```bash
git clone git@github.com:excalidraw/mermaid-to-excalidraw.git
```
### Install the dependencies
Using `npm`
```bash
npm install @excalidraw/mermaid-to-excalidraw
```
Using `yarn`
```bash
yarn add @excalidraw/mermaid-to-excalidraw
```
### Run the playground server
```bash
yarn start
```
This will start the playground server in port `1234` and you start playing with the playground.
## Creating a test release
We will soon simplify creating release via commenting on GitHub PR similar till then you can create a release by following the below steps
1. Create the build
```bash
yarn build
```
This will create the dist folder which we need to publish next.
2. Publish the library
Update the package name and version in [package.json](https://github.com/excalidraw/mermaid-to-excalidraw/blob/master/package.json) and run the below command to publish it
```bash
yarn publish
```
And thats all your test release is successfully created 🎉

View File

@ -1,42 +0,0 @@
# Installation
`@excalidraw/mermaid-to-excalidraw` is published to npm. This library is used in [excalidraw](https://excalidraw.com) to transform mermaid syntax to Excalidraw diagrams.
Using `npm`
```bash
npm install @excalidraw/mermaid-to-excalidraw
```
Using `yarn`
```bash
yarn add @excalidraw/mermaid-to-excalidraw
```
## Usage
Once the library is installed, its ready to use.
```js
import { parseMermaidToExcalidraw } from "@excalidraw/mermaid-to-excalidraw";
import { convertToExcalidrawElements} from "@excalidraw/excalidraw"
try {
const { elements, files } = await parseMermaid(diagramDefinition, {
fontSize: DEFAULT_FONT_SIZE,
});
// currently the elements returned from the parser are in a "skeleton" format
// which we need to convert to fully qualified excalidraw elements first
const excalidrawElements = convertToExcalidrawElements(elements);
// Render elements and files on Excalidraw
} catch (e) {
// Error handling
}
```
## Playground
Try it out [here](https://mermaid-to-excalidraw.vercel.app)

View File

@ -1,22 +0,0 @@
# Frames
## Ordering
Frames should be ordered where frame children come first, followed by the frame element itself:
```
[
other_element,
frame1_child1,
frame1_child2,
frame1,
other_element,
frame2_child1,
frame2_child2,
frame2,
other_element,
...
]
```
If not ordered correctly, the editor will still function, but the elements may not be rendered and clipped correctly. Further, the renderer relies on this ordering for performance optimizations.

View File

@ -1,75 +0,0 @@
# JSON Schema
The Excalidraw data format uses plaintext JSON.
## Excalidraw files
When saving an Excalidraw scene locally to a file, the JSON file (`.excalidraw`) is using the below format.
### Attributes
| Attribute | Description | Value |
| --- | --- | --- |
| `type` | The type of the Excalidraw schema | `"excalidraw"` |
| `version` | The version of the Excalidraw schema | number |
| `source` | The source URL of the Excalidraw application | `"https://excalidraw.com"` |
| `elements` | An array of objects representing excalidraw elements on canvas | Array containing excalidraw element objects |
| `appState` | Additional application state/configuration | Object containing application state properties |
| `files` | Data for excalidraw `image` elements | Object containing image data |
### JSON Schema example
```json
{
// schema information
"type": "excalidraw",
"version": 2,
"source": "https://excalidraw.com",
// elements on canvas
"elements": [
// example element
{
"id": "pologsyG-tAraPgiN9xP9b",
"type": "rectangle",
"x": 928,
"y": 319,
"width": 134,
"height": 90
/* ...other element properties */
}
/* other elements */
],
// editor state (canvas config, preferences, ...)
"appState": {
"gridSize": null,
"viewBackgroundColor": "#ffffff"
},
// files data for "image" elements, using format `{ [fileId]: fileData }`
"files": {
// example of an image data object
"3cebd7720911620a3938ce77243696149da03861": {
"mimeType": "image/png",
"id": "3cebd7720911620a3938c.77243626149da03861",
"dataURL": "data:image/png;base64,iVBORWOKGgoAAAANSUhEUgA=",
"created": 1690295874454,
"lastRetrieved": 1690295874454
}
/* ...other image data objects */
}
}
```
## Excalidraw clipboard format
When copying selected excalidraw elements to clipboard, the JSON schema is similar to `.excalidraw` format, except it differs in attributes.
### Attributes
| Attribute | Description | Example Value |
| --- | --- | --- |
| `type` | The type of the Excalidraw document. | "excalidraw/clipboard" |
| `elements` | An array of objects representing excalidraw elements on canvas. | Array containing excalidraw element objects (see example below) |
| `files` | Data for excalidraw `image` elements. | Object containing image data |

View File

@ -15,7 +15,7 @@ In case you want to pick up something from the roadmap, comment on that issue an
1. Run `yarn` to install dependencies
1. Create a branch for your PR with `git checkout -b your-branch-name`
> To keep `master` branch pointing to remote repository and make pull requests from branches on your fork, run:
> To keep `master` branch pointing to remote repository and make pull requests from branches on your fork. To do this, run:
>
> ```bash
> git remote add upstream https://github.com/excalidraw/excalidraw.git
@ -52,6 +52,15 @@ Make sure the title starts with a semantic prefix:
- **chore**: Other changes that don't modify src or test files
- **revert**: Reverts a previous commit
### Changelog
Add a brief description of your pull request to the changelog located here: [changelog](https://github.com/excalidraw/excalidraw/blob/master/CHANGELOG.md)
Notes:
- Make sure to prepend to the section corresponding with the semantic prefix you selected in the title
- Link to your pull request - this will require updating the CHANGELOG _after_ creating the pull request
### Testing
Once you submit your pull request it will automatically be tested. Be sure to check the results of the test and fix any issues that arise.

View File

@ -14,4 +14,3 @@ These docs are focused on developers, and structured in the following way:
- [Introduction](/docs/) — development setup and introduction.
- [@excalidraw/excalidraw](/docs/@excalidraw/excalidraw/installation) — docs for the npm package to help you integrate Excalidraw into your own app.
- Editor — IN PROGRESS. Docs describing the internals of the Excalidraw editor to help in contributing to the codebase.
- [@excalidraw/mermaid-to-excalidraw](/docs/@excalidraw/mermaid-to-excalidraw/installation) - Docs for the mermaid to excalidraw parser

View File

@ -1,11 +1,6 @@
// @ts-check
// Note: type annotations allow type checking and IDEs autocompletion
// Set the env variable to false so the excalidraw npm package doesn't throw
// process undefined as docusaurus doesn't expose env variables by default
process.env.IS_PREACT = "false";
/** @type {import('@docusaurus/types').Config} */
const config = {
title: "Excalidraw developer docs",
@ -15,7 +10,7 @@ const config = {
baseUrl: "/",
onBrokenLinks: "throw",
onBrokenMarkdownLinks: "warn",
favicon: "img/favicon.png",
favicon: "img/favicon.ico",
organizationName: "Excalidraw", // Usually your GitHub org/user name.
projectName: "excalidraw", // Usually your repo name.
@ -41,7 +36,10 @@ const config = {
showLastUpdateTime: true,
},
theme: {
customCss: [require.resolve("./src/css/custom.scss")],
customCss: [
require.resolve("./src/css/custom.scss"),
require.resolve("../src/packages/excalidraw/example/App.scss"),
],
},
}),
],
@ -125,7 +123,7 @@ const config = {
prism: {
theme: require("prism-react-renderer/themes/dracula"),
},
image: "img/og-image-2.png",
image: "img/og-image.png",
docs: {
sidebar: {
hideable: true,
@ -141,15 +139,7 @@ const config = {
},
}),
themes: ["@docusaurus/theme-live-codeblock"],
plugins: [
"docusaurus-plugin-sass",
[
"docusaurus2-dotenv",
{
systemvars: true,
},
],
],
plugins: ["docusaurus-plugin-sass"],
};
module.exports = config;

View File

@ -18,7 +18,7 @@
"@docusaurus/core": "2.2.0",
"@docusaurus/preset-classic": "2.2.0",
"@docusaurus/theme-live-codeblock": "2.2.0",
"@excalidraw/excalidraw": "0.17.0",
"@excalidraw/excalidraw": "0.15.3",
"@mdx-js/react": "^1.6.22",
"clsx": "^1.2.1",
"docusaurus-plugin-sass": "0.2.3",
@ -30,7 +30,6 @@
"devDependencies": {
"@docusaurus/module-type-aliases": "2.0.0-rc.1",
"@tsconfig/docusaurus": "^1.0.5",
"docusaurus2-dotenv": "1.4.0",
"typescript": "^4.7.4"
},
"browserslist": {

View File

@ -23,11 +23,7 @@ const sidebars = {
},
items: ["introduction/development", "introduction/contributing"],
},
{
type: "category",
label: "Codebase",
items: ["codebase/json-schema", "codebase/frames"],
},
{
type: "category",
label: "@excalidraw/excalidraw",
@ -53,7 +49,7 @@ const sidebars = {
},
items: [
"@excalidraw/excalidraw/api/props/initialdata",
"@excalidraw/excalidraw/api/props/excalidraw-api",
"@excalidraw/excalidraw/api/props/ref",
"@excalidraw/excalidraw/api/props/render-props",
"@excalidraw/excalidraw/api/props/ui-options",
],
@ -68,7 +64,6 @@ const sidebars = {
items: [
"@excalidraw/excalidraw/api/children-components/main-menu",
"@excalidraw/excalidraw/api/children-components/welcome-screen",
"@excalidraw/excalidraw/api/children-components/sidebar",
"@excalidraw/excalidraw/api/children-components/footer",
"@excalidraw/excalidraw/api/children-components/live-collaboration-trigger",
],
@ -85,48 +80,18 @@ const sidebars = {
"@excalidraw/excalidraw/api/utils/restore",
],
},
"@excalidraw/excalidraw/api/constants",
"@excalidraw/excalidraw/api/excalidraw-element-skeleton",
{
type: "category",
label: "Constants",
link: { type: "doc", id: "@excalidraw/excalidraw/api/constants" },
items: [],
},
],
},
"@excalidraw/excalidraw/faq",
"@excalidraw/excalidraw/development",
],
},
{
type: "category",
label: "@excalidraw/mermaid-to-excalidraw",
link: {
type: "doc",
id: "@excalidraw/mermaid-to-excalidraw/installation",
},
items: [
"@excalidraw/mermaid-to-excalidraw/api",
"@excalidraw/mermaid-to-excalidraw/development",
{
type: "category",
label: "Codebase",
link: {
type: "doc",
id: "@excalidraw/mermaid-to-excalidraw/codebase/codebase",
},
items: [
{
type: "category",
label: "How Parser works under the hood?",
link: {
type: "doc",
id: "@excalidraw/mermaid-to-excalidraw/codebase/parser/parser",
},
items: [
"@excalidraw/mermaid-to-excalidraw/codebase/parser/flowchart",
],
},
"@excalidraw/mermaid-to-excalidraw/codebase/new-diagram-type",
],
},
],
},
],
};

View File

@ -15,7 +15,7 @@ const FeatureList = [
Svg: require("@site/static/img/undraw_blank_canvas.svg").default,
description: (
<>
Want to build your own app powered by Excalidraw but don't know where to
Want to build your own app powered by Excalidraw by don't know where to
start?
</>
),

View File

@ -25,7 +25,6 @@ const ExcalidrawScope = {
exportToCanvas: ExcalidrawComp.exportToCanvas,
initialData,
useI18n: ExcalidrawComp.useI18n,
convertToExcalidrawElements: ExcalidrawComp.convertToExcalidrawElements,
};
export default ExcalidrawScope;

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}

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@ -145,14 +145,6 @@
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dotenv-webpack "1.7.0"
dom-converter@^0.2.0:
version "0.2.0"
resolved "https://registry.yarnpkg.com/dom-converter/-/dom-converter-0.2.0.tgz#6721a9daee2e293682955b6afe416771627bb768"
@ -3659,25 +3547,6 @@ dot-prop@^5.2.0:
dependencies:
is-obj "^2.0.0"
dotenv-defaults@^1.0.2:
version "1.1.1"
resolved "https://registry.yarnpkg.com/dotenv-defaults/-/dotenv-defaults-1.1.1.tgz#032c024f4b5906d9990eb06d722dc74cc60ec1bd"
integrity sha512-6fPRo9o/3MxKvmRZBD3oNFdxODdhJtIy1zcJeUSCs6HCy4tarUpd+G67UTU9tF6OWXeSPqsm4fPAB+2eY9Rt9Q==
dependencies:
dotenv "^6.2.0"
dotenv-webpack@1.7.0:
version "1.7.0"
resolved "https://registry.yarnpkg.com/dotenv-webpack/-/dotenv-webpack-1.7.0.tgz#4384d8c57ee6f405c296278c14a9f9167856d3a1"
integrity sha512-wwNtOBW/6gLQSkb8p43y0Wts970A3xtNiG/mpwj9MLUhtPCQG6i+/DSXXoNN7fbPCU/vQ7JjwGmgOeGZSSZnsw==
dependencies:
dotenv-defaults "^1.0.2"
dotenv@^6.2.0:
version "6.2.0"
resolved "https://registry.yarnpkg.com/dotenv/-/dotenv-6.2.0.tgz#941c0410535d942c8becf28d3f357dbd9d476064"
integrity sha512-HygQCKUBSFl8wKQZBSemMywRWcEDNidvNbjGVyZu3nbZ8qq9ubiPoGLMdRDpfSrpkkm9BXYFkpKxxFX38o/76w==
duplexer3@^0.1.4:
version "0.1.5"
resolved "https://registry.yarnpkg.com/duplexer3/-/duplexer3-0.1.5.tgz#0b5e4d7bad5de8901ea4440624c8e1d20099217e"

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@ -1,3 +0,0 @@
interface Window {
__EXCALIDRAW_SHA__: string | undefined;
}

View File

@ -1,40 +0,0 @@
{
"name": "excalidraw-app",
"version": "1.0.0",
"private": true,
"homepage": ".",
"browserslist": {
"production": [
">0.2%",
"not dead",
"not ie <= 11",
"not op_mini all",
"not safari < 12",
"not kaios <= 2.5",
"not edge < 79",
"not chrome < 70",
"not and_uc < 13",
"not samsung < 10"
],
"development": [
"last 1 chrome version",
"last 1 firefox version",
"last 1 safari version"
]
},
"engines": {
"node": ">=18.0.0"
},
"dependencies": {},
"prettier": "@excalidraw/prettier-config",
"scripts": {
"build-node": "node ./scripts/build-node.js",
"build:app:docker": "cross-env VITE_APP_DISABLE_SENTRY=true VITE_APP_DISABLE_TRACKING=true vite build",
"build:app": "cross-env VITE_APP_GIT_SHA=$VERCEL_GIT_COMMIT_SHA vite build",
"build:version": "node ../scripts/build-version.js",
"build": "yarn build:app && yarn build:version",
"start": "yarn && vite",
"start:production": "npm run build && npx http-server build -a localhost -p 5001 -o",
"build:preview": "yarn build && vite preview --port 5000"
}
}

View File

@ -1,34 +0,0 @@
import { defaultLang } from "../../packages/excalidraw/i18n";
import { UI } from "../../packages/excalidraw/tests/helpers/ui";
import {
screen,
fireEvent,
waitFor,
render,
} from "../../packages/excalidraw/tests/test-utils";
import ExcalidrawApp from "../App";
describe("Test LanguageList", () => {
it("rerenders UI on language change", async () => {
await render(<ExcalidrawApp />);
// select rectangle tool to show properties menu
UI.clickTool("rectangle");
// english lang should display `thin` label
expect(screen.queryByTitle(/thin/i)).not.toBeNull();
fireEvent.click(document.querySelector(".dropdown-menu-button")!);
fireEvent.change(document.querySelector(".dropdown-select__language")!, {
target: { value: "de-DE" },
});
// switching to german, `thin` label should no longer exist
await waitFor(() => expect(screen.queryByTitle(/thin/i)).toBeNull());
// reset language
fireEvent.change(document.querySelector(".dropdown-select__language")!, {
target: { value: defaultLang.code },
});
// switching back to English
await waitFor(() => expect(screen.queryByTitle(/thin/i)).not.toBeNull());
});
});

File diff suppressed because one or more lines are too long

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@ -1,46 +0,0 @@
/// <reference types="vite-plugin-pwa/vanillajs" />
/// <reference types="vite-plugin-pwa/info" />
/// <reference types="vite-plugin-svgr/client" />
interface ImportMetaEnv {
// The port to run the dev server
VITE_APP_PORT: string;
VITE_APP_BACKEND_V2_GET_URL: string;
VITE_APP_BACKEND_V2_POST_URL: string;
// collaboration WebSocket server (https: string
VITE_APP_WS_SERVER_URL: string;
// set this only if using the collaboration workflow we use on excalidraw.com
VITE_APP_PORTAL_URL: string;
VITE_APP_AI_BACKEND: string;
VITE_APP_FIREBASE_CONFIG: string;
// whether to disable live reload / HMR. Usuaully what you want to do when
// debugging Service Workers.
VITE_APP_DEV_DISABLE_LIVE_RELOAD: string;
VITE_APP_DISABLE_SENTRY: string;
// Set this flag to false if you want to open the overlay by default
VITE_APP_COLLAPSE_OVERLAY: string;
// Enable eslint in dev server
VITE_APP_ENABLE_ESLINT: string;
VITE_APP_PLUS_LP: string;
VITE_APP_PLUS_APP: string;
VITE_APP_GIT_SHA: string;
MODE: string;
DEV: string;
PROD: string;
}
interface ImportMeta {
readonly env: ImportMetaEnv;
}

View File

@ -20,7 +20,7 @@
name="description"
content="Excalidraw is a virtual collaborative whiteboard tool that lets you easily sketch diagrams that have a hand-drawn feel to them."
/>
<meta name="image" content="https://excalidraw.com/og-image-2.png" />
<meta name="image" content="https://excalidraw.com/og-general-v1.png" />
<!-- Open Graph / Facebook -->
<meta property="og:site_name" content="Excalidraw" />
@ -35,7 +35,7 @@
property="og:description"
content="Excalidraw is a virtual collaborative whiteboard tool that lets you easily sketch diagrams that have a hand-drawn feel to them."
/>
<meta property="og:image" content="https://excalidraw.com/og-image-2.png" />
<meta property="og:image" content="https://excalidraw.com/og-fb-v1.png" />
<!-- Twitter -->
<meta property="twitter:card" content="summary_large_image" />
@ -51,7 +51,7 @@
/>
<meta
property="twitter:image"
content="https://excalidraw.com/og-twitter-v2.png"
content="https://excalidraw.com/og-twitter-v1.png"
/>
<!-- General tags -->
@ -99,9 +99,7 @@
</script>
<% } %>
<link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png" />
<link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png" />
<link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png" />
<link rel="shortcut icon" href="/favicon.ico" type="image/x-icon" />
<!-- Excalidraw version -->
<meta name="version" content="{version}" />
@ -121,7 +119,7 @@
crossorigin="anonymous"
/>
<link rel="stylesheet" href="/fonts/fonts.css" type="text/css" />
<link rel="stylesheet" href="/fonts.css" type="text/css" />
<% if ("%VITE_APP_DEV_DISABLE_LIVE_RELOAD%"==="true" ) { %>
<script>
{
@ -195,7 +193,7 @@
<h1 class="visually-hidden">Excalidraw</h1>
</header>
<div id="root"></div>
<script type="module" src="index.tsx"></script>
<script type="module" src="/src/index.tsx"></script>
<% if ("%VITE_APP_DEV_DISABLE_LIVE_RELOAD%" !== 'true') { %>
<!-- 100% privacy friendly analytics -->
<script>

View File

@ -1,22 +1,61 @@
{
"private": true,
"name": "excalidraw-monorepo",
"workspaces": [
"excalidraw-app",
"packages/excalidraw",
"packages/utils"
],
"browserslist": {
"production": [
">0.2%",
"not dead",
"not ie <= 11",
"not op_mini all",
"not safari < 12",
"not kaios <= 2.5",
"not edge < 79",
"not chrome < 70",
"not and_uc < 13",
"not samsung < 10"
],
"development": [
"last 1 chrome version",
"last 1 firefox version",
"last 1 safari version"
]
},
"dependencies": {
"@braintree/sanitize-url": "6.0.2",
"@excalidraw/random-username": "1.0.0",
"@radix-ui/react-popover": "1.0.3",
"@radix-ui/react-tabs": "1.0.2",
"@sentry/browser": "6.2.5",
"@sentry/integrations": "6.2.5",
"@testing-library/jest-dom": "5.16.2",
"@testing-library/react": "12.1.5",
"@tldraw/vec": "1.7.1",
"browser-fs-access": "0.29.1",
"canvas-roundrect-polyfill": "0.0.1",
"clsx": "1.1.1",
"cross-env": "7.0.3",
"eslint-plugin-react": "7.32.2",
"fake-indexeddb": "3.1.7",
"firebase": "8.3.3",
"i18next-browser-languagedetector": "6.1.4",
"idb-keyval": "6.0.3",
"image-blob-reduce": "3.0.1",
"jotai": "1.13.1",
"lodash.throttle": "4.1.1",
"nanoid": "3.3.3",
"open-color": "1.9.1",
"pako": "1.0.11",
"perfect-freehand": "1.2.0",
"pica": "7.1.1",
"png-chunk-text": "1.0.0",
"png-chunks-encode": "1.0.0",
"png-chunks-extract": "1.0.0",
"points-on-curve": "0.2.0",
"pwacompat": "2.0.17",
"react": "18.2.0",
"react-dom": "18.2.0",
"socket.io-client": "4.7.2"
"roughjs": "4.5.2",
"sass": "1.51.0",
"socket.io-client": "2.3.1",
"tunnel-rat": "0.1.2"
},
"devDependencies": {
"@excalidraw/eslint-config": "1.0.3",
@ -24,9 +63,12 @@
"@types/chai": "4.3.0",
"@types/jest": "27.4.0",
"@types/lodash.throttle": "4.1.7",
"@types/pako": "1.0.3",
"@types/pica": "5.1.3",
"@types/react": "18.0.15",
"@types/react-dom": "18.0.6",
"@types/socket.io-client": "3.0.0",
"@types/resize-observer-browser": "0.1.7",
"@types/socket.io-client": "1.4.36",
"@vitejs/plugin-react": "3.1.0",
"@vitest/coverage-v8": "0.33.0",
"@vitest/ui": "0.32.2",
@ -43,25 +85,27 @@
"prettier": "2.6.2",
"rewire": "6.0.0",
"typescript": "4.9.4",
"vite": "5.0.6",
"vite": "4.4.2",
"vite-plugin-checker": "0.6.1",
"vite-plugin-ejs": "1.7.0",
"vite-plugin-pwa": "0.17.4",
"vite-plugin-ejs": "1.6.4",
"vite-plugin-pwa": "0.16.4",
"vite-plugin-svgr": "2.4.0",
"vitest": "1.0.1",
"vitest": "0.34.1",
"vitest-canvas-mock": "0.3.2"
},
"engines": {
"node": "18.0.0 - 20.x.x"
"node": ">=18.0.0"
},
"homepage": ".",
"name": "excalidraw",
"prettier": "@excalidraw/prettier-config",
"private": true,
"scripts": {
"build-node": "node ./scripts/build-node.js",
"build:app:docker": "cross-env VITE_APP_DISABLE_SENTRY=true VITE_APP_DISABLE_TRACKING=true vite build",
"build:app": "cross-env VITE_APP_GIT_SHA=$VERCEL_GIT_COMMIT_SHA vite build",
"build:version": "node ./scripts/build-version.js",
"build": "yarn --cwd ./excalidraw-app build",
"build": "yarn build:app && yarn build:version",
"fix:code": "yarn test:code --fix",
"fix:other": "yarn prettier --write",
"fix": "yarn fix:other && yarn fix:code",
@ -69,10 +113,10 @@
"locales-coverage:description": "node scripts/locales-coverage-description.js",
"prepare": "husky install",
"prettier": "prettier \"**/*.{css,scss,json,md,html,yml}\" --ignore-path=.eslintignore",
"start": "yarn --cwd ./excalidraw-app start",
"start:app:production": "npm run build && npx http-server build -a localhost -p 5001 -o",
"start": "vite",
"start:production": "npm run build && npx http-server build -a localhost -p 5001 -o",
"test:all": "yarn test:typecheck && yarn test:code && yarn test:other && yarn test:app --watch=false",
"test:app": "vitest",
"test:app": "vitest --config vitest.config.ts",
"test:code": "eslint --max-warnings=0 --ext .js,.ts,.tsx .",
"test:other": "yarn prettier --list-different",
"test:typecheck": "tsc",
@ -80,10 +124,10 @@
"test": "yarn test:app",
"test:coverage": "vitest --coverage",
"test:coverage:watch": "vitest --coverage --watch",
"test:ui": "yarn test --ui --coverage.enabled=true",
"test:ui": "yarn test --ui",
"autorelease": "node scripts/autorelease.js",
"prerelease:excalidraw": "node scripts/prerelease.js",
"prerelease": "node scripts/prerelease.js",
"build:preview": "yarn build && vite preview --port 5000",
"release:excalidraw": "node scripts/release.js"
"release": "node scripts/release.js"
}
}

View File

@ -1,4 +0,0 @@
node_modules
types
bundle.js
bundle.css

View File

@ -1,83 +0,0 @@
import { getClientColor } from "../clients";
import { Avatar } from "../components/Avatar";
import { GoToCollaboratorComponentProps } from "../components/UserList";
import { eyeIcon } from "../components/icons";
import { t } from "../i18n";
import { Collaborator } from "../types";
import { register } from "./register";
export const actionGoToCollaborator = register({
name: "goToCollaborator",
viewMode: true,
trackEvent: { category: "collab" },
perform: (_elements, appState, collaborator: Collaborator) => {
if (
!collaborator.socketId ||
appState.userToFollow?.socketId === collaborator.socketId ||
collaborator.isCurrentUser
) {
return {
appState: {
...appState,
userToFollow: null,
},
commitToHistory: false,
};
}
return {
appState: {
...appState,
userToFollow: {
socketId: collaborator.socketId,
username: collaborator.username || "",
},
// Close mobile menu
openMenu: appState.openMenu === "canvas" ? null : appState.openMenu,
},
commitToHistory: false,
};
},
PanelComponent: ({ updateData, data, appState }) => {
const { clientId, collaborator, withName, isBeingFollowed } =
data as GoToCollaboratorComponentProps;
const background = getClientColor(clientId);
return withName ? (
<div
className="dropdown-menu-item dropdown-menu-item-base UserList__collaborator"
onClick={() => updateData<Collaborator>(collaborator)}
>
<Avatar
color={background}
onClick={() => {}}
name={collaborator.username || ""}
src={collaborator.avatarUrl}
isBeingFollowed={isBeingFollowed}
isCurrentUser={collaborator.isCurrentUser === true}
/>
{collaborator.username}
<div
className="UserList__collaborator-follow-status-icon"
style={{ visibility: isBeingFollowed ? "visible" : "hidden" }}
title={isBeingFollowed ? t("userList.hint.followStatus") : undefined}
aria-hidden
>
{eyeIcon}
</div>
</div>
) : (
<Avatar
color={background}
onClick={() => {
updateData(collaborator);
}}
name={collaborator.username || ""}
src={collaborator.avatarUrl}
isBeingFollowed={isBeingFollowed}
isCurrentUser={collaborator.isCurrentUser === true}
/>
);
},
});

View File

@ -1,167 +0,0 @@
import { Excalidraw } from "../index";
import { queryByTestId } from "@testing-library/react";
import { render } from "../tests/test-utils";
import { UI } from "../tests/helpers/ui";
import { API } from "../tests/helpers/api";
import { COLOR_PALETTE, DEFAULT_ELEMENT_BACKGROUND_PICKS } from "../colors";
import { FONT_FAMILY, STROKE_WIDTH } from "../constants";
const { h } = window;
describe("element locking", () => {
beforeEach(async () => {
await render(<Excalidraw />);
});
describe("properties when tool selected", () => {
it("should show active background top picks", () => {
UI.clickTool("rectangle");
const color = DEFAULT_ELEMENT_BACKGROUND_PICKS[1];
// just in case we change it in the future
expect(color).not.toBe(COLOR_PALETTE.transparent);
h.setState({
currentItemBackgroundColor: color,
});
const activeColor = queryByTestId(
document.body,
`color-top-pick-${color}`,
);
expect(activeColor).toHaveClass("active");
});
it("should show fill style when background non-transparent", () => {
UI.clickTool("rectangle");
const color = DEFAULT_ELEMENT_BACKGROUND_PICKS[1];
// just in case we change it in the future
expect(color).not.toBe(COLOR_PALETTE.transparent);
h.setState({
currentItemBackgroundColor: color,
currentItemFillStyle: "hachure",
});
const hachureFillButton = queryByTestId(document.body, `fill-hachure`);
expect(hachureFillButton).toHaveClass("active");
h.setState({
currentItemFillStyle: "solid",
});
const solidFillStyle = queryByTestId(document.body, `fill-solid`);
expect(solidFillStyle).toHaveClass("active");
});
it("should not show fill style when background transparent", () => {
UI.clickTool("rectangle");
h.setState({
currentItemBackgroundColor: COLOR_PALETTE.transparent,
currentItemFillStyle: "hachure",
});
const hachureFillButton = queryByTestId(document.body, `fill-hachure`);
expect(hachureFillButton).toBe(null);
});
it("should show horizontal text align for text tool", () => {
UI.clickTool("text");
h.setState({
currentItemTextAlign: "right",
});
const centerTextAlign = queryByTestId(document.body, `align-right`);
expect(centerTextAlign).toBeChecked();
});
});
describe("properties when elements selected", () => {
it("should show active styles when single element selected", () => {
const rect = API.createElement({
type: "rectangle",
backgroundColor: "red",
fillStyle: "cross-hatch",
});
h.elements = [rect];
API.setSelectedElements([rect]);
const crossHatchButton = queryByTestId(document.body, `fill-cross-hatch`);
expect(crossHatchButton).toHaveClass("active");
});
it("should not show fill style selected element's background is transparent", () => {
const rect = API.createElement({
type: "rectangle",
backgroundColor: COLOR_PALETTE.transparent,
fillStyle: "cross-hatch",
});
h.elements = [rect];
API.setSelectedElements([rect]);
const crossHatchButton = queryByTestId(document.body, `fill-cross-hatch`);
expect(crossHatchButton).toBe(null);
});
it("should highlight common stroke width of selected elements", () => {
const rect1 = API.createElement({
type: "rectangle",
strokeWidth: STROKE_WIDTH.thin,
});
const rect2 = API.createElement({
type: "rectangle",
strokeWidth: STROKE_WIDTH.thin,
});
h.elements = [rect1, rect2];
API.setSelectedElements([rect1, rect2]);
const thinStrokeWidthButton = queryByTestId(
document.body,
`strokeWidth-thin`,
);
expect(thinStrokeWidthButton).toBeChecked();
});
it("should not highlight any stroke width button if no common style", () => {
const rect1 = API.createElement({
type: "rectangle",
strokeWidth: STROKE_WIDTH.thin,
});
const rect2 = API.createElement({
type: "rectangle",
strokeWidth: STROKE_WIDTH.bold,
});
h.elements = [rect1, rect2];
API.setSelectedElements([rect1, rect2]);
expect(queryByTestId(document.body, `strokeWidth-thin`)).not.toBe(null);
expect(
queryByTestId(document.body, `strokeWidth-thin`),
).not.toBeChecked();
expect(
queryByTestId(document.body, `strokeWidth-bold`),
).not.toBeChecked();
expect(
queryByTestId(document.body, `strokeWidth-extraBold`),
).not.toBeChecked();
});
it("should show properties of different element types when selected", () => {
const rect = API.createElement({
type: "rectangle",
strokeWidth: STROKE_WIDTH.bold,
});
const text = API.createElement({
type: "text",
fontFamily: FONT_FAMILY.Cascadia,
});
h.elements = [rect, text];
API.setSelectedElements([rect, text]);
expect(queryByTestId(document.body, `strokeWidth-bold`)).toBeChecked();
expect(queryByTestId(document.body, `font-family-code`)).toBeChecked();
});
});
});

View File

@ -1,28 +0,0 @@
import { CODES, KEYS } from "../keys";
import { register } from "./register";
export const actionToggleObjectsSnapMode = register({
name: "objectsSnapMode",
viewMode: true,
trackEvent: {
category: "canvas",
predicate: (appState) => !appState.objectsSnapModeEnabled,
},
perform(elements, appState) {
return {
appState: {
...appState,
objectsSnapModeEnabled: !this.checked!(appState),
gridSize: null,
},
commitToHistory: false,
};
},
checked: (appState) => appState.objectsSnapModeEnabled,
predicate: (elements, appState, appProps) => {
return typeof appProps.objectsSnapModeEnabled === "undefined";
},
contextItemLabel: "buttons.objectsSnapMode",
keyTest: (event) =>
!event[KEYS.CTRL_OR_CMD] && event.altKey && event.code === CODES.S,
});

View File

@ -1,40 +0,0 @@
// place here categories that you want to track. We want to track just a
// small subset of categories at a given time.
const ALLOWED_CATEGORIES_TO_TRACK = ["ai"] as string[];
export const trackEvent = (
category: string,
action: string,
label?: string,
value?: number,
) => {
try {
// prettier-ignore
if (
typeof window === "undefined"
|| import.meta.env.VITE_WORKER_ID
// comment out to debug locally
|| import.meta.env.PROD
) {
return;
}
if (!ALLOWED_CATEGORIES_TO_TRACK.includes(category)) {
return;
}
if (!import.meta.env.PROD) {
console.info("trackEvent", { category, action, label, value });
}
if (window.sa_event) {
window.sa_event(action, {
category,
label,
value,
});
}
} catch (error) {
console.error("error during analytics", error);
}
};

View File

@ -1,148 +0,0 @@
import { LaserPointer, LaserPointerOptions } from "@excalidraw/laser-pointer";
import { AnimationFrameHandler } from "./animation-frame-handler";
import { AppState } from "./types";
import { getSvgPathFromStroke, sceneCoordsToViewportCoords } from "./utils";
import type App from "./components/App";
import { SVG_NS } from "./constants";
export interface Trail {
start(container: SVGSVGElement): void;
stop(): void;
startPath(x: number, y: number): void;
addPointToPath(x: number, y: number): void;
endPath(): void;
}
export interface AnimatedTrailOptions {
fill: (trail: AnimatedTrail) => string;
}
export class AnimatedTrail implements Trail {
private currentTrail?: LaserPointer;
private pastTrails: LaserPointer[] = [];
private container?: SVGSVGElement;
private trailElement: SVGPathElement;
constructor(
private animationFrameHandler: AnimationFrameHandler,
private app: App,
private options: Partial<LaserPointerOptions> &
Partial<AnimatedTrailOptions>,
) {
this.animationFrameHandler.register(this, this.onFrame.bind(this));
this.trailElement = document.createElementNS(SVG_NS, "path");
}
get hasCurrentTrail() {
return !!this.currentTrail;
}
hasLastPoint(x: number, y: number) {
if (this.currentTrail) {
const len = this.currentTrail.originalPoints.length;
return (
this.currentTrail.originalPoints[len - 1][0] === x &&
this.currentTrail.originalPoints[len - 1][1] === y
);
}
return false;
}
start(container?: SVGSVGElement) {
if (container) {
this.container = container;
}
if (this.trailElement.parentNode !== this.container && this.container) {
this.container.appendChild(this.trailElement);
}
this.animationFrameHandler.start(this);
}
stop() {
this.animationFrameHandler.stop(this);
if (this.trailElement.parentNode === this.container) {
this.container?.removeChild(this.trailElement);
}
}
startPath(x: number, y: number) {
this.currentTrail = new LaserPointer(this.options);
this.currentTrail.addPoint([x, y, performance.now()]);
this.update();
}
addPointToPath(x: number, y: number) {
if (this.currentTrail) {
this.currentTrail.addPoint([x, y, performance.now()]);
this.update();
}
}
endPath() {
if (this.currentTrail) {
this.currentTrail.close();
this.currentTrail.options.keepHead = false;
this.pastTrails.push(this.currentTrail);
this.currentTrail = undefined;
this.update();
}
}
private update() {
this.start();
}
private onFrame() {
const paths: string[] = [];
for (const trail of this.pastTrails) {
paths.push(this.drawTrail(trail, this.app.state));
}
if (this.currentTrail) {
const currentPath = this.drawTrail(this.currentTrail, this.app.state);
paths.push(currentPath);
}
this.pastTrails = this.pastTrails.filter((trail) => {
return trail.getStrokeOutline().length !== 0;
});
if (paths.length === 0) {
this.stop();
}
const svgPaths = paths.join(" ").trim();
this.trailElement.setAttribute("d", svgPaths);
this.trailElement.setAttribute(
"fill",
(this.options.fill ?? (() => "black"))(this),
);
}
private drawTrail(trail: LaserPointer, state: AppState): string {
const stroke = trail
.getStrokeOutline(trail.options.size / state.zoom.value)
.map(([x, y]) => {
const result = sceneCoordsToViewportCoords(
{ sceneX: x, sceneY: y },
state,
);
return [result.x, result.y];
});
return getSvgPathFromStroke(stroke, true);
}
}

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@ -1,79 +0,0 @@
export type AnimationCallback = (timestamp: number) => void | boolean;
export type AnimationTarget = {
callback: AnimationCallback;
stopped: boolean;
};
export class AnimationFrameHandler {
private targets = new WeakMap<object, AnimationTarget>();
private rafIds = new WeakMap<object, number>();
register(key: object, callback: AnimationCallback) {
this.targets.set(key, { callback, stopped: true });
}
start(key: object) {
const target = this.targets.get(key);
if (!target) {
return;
}
if (this.rafIds.has(key)) {
return;
}
this.targets.set(key, { ...target, stopped: false });
this.scheduleFrame(key);
}
stop(key: object) {
const target = this.targets.get(key);
if (target && !target.stopped) {
this.targets.set(key, { ...target, stopped: true });
}
this.cancelFrame(key);
}
private constructFrame(key: object): FrameRequestCallback {
return (timestamp: number) => {
const target = this.targets.get(key);
if (!target) {
return;
}
const shouldAbort = this.onFrame(target, timestamp);
if (!target.stopped && !shouldAbort) {
this.scheduleFrame(key);
} else {
this.cancelFrame(key);
}
};
}
private scheduleFrame(key: object) {
const rafId = requestAnimationFrame(this.constructFrame(key));
this.rafIds.set(key, rafId);
}
private cancelFrame(key: object) {
if (this.rafIds.has(key)) {
const rafId = this.rafIds.get(key)!;
cancelAnimationFrame(rafId);
}
this.rafIds.delete(key);
}
private onFrame(target: AnimationTarget, timestamp: number): boolean {
const shouldAbort = target.callback(timestamp);
return shouldAbort ?? false;
}
}

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@ -1,196 +0,0 @@
import {
createPasteEvent,
parseClipboard,
serializeAsClipboardJSON,
} from "./clipboard";
import { API } from "./tests/helpers/api";
describe("parseClipboard()", () => {
it("should parse JSON as plaintext if not excalidraw-api/clipboard data", async () => {
let text;
let clipboardData;
// -------------------------------------------------------------------------
text = "123";
clipboardData = await parseClipboard(
createPasteEvent({ types: { "text/plain": text } }),
);
expect(clipboardData.text).toBe(text);
// -------------------------------------------------------------------------
text = "[123]";
clipboardData = await parseClipboard(
createPasteEvent({ types: { "text/plain": text } }),
);
expect(clipboardData.text).toBe(text);
// -------------------------------------------------------------------------
text = JSON.stringify({ val: 42 });
clipboardData = await parseClipboard(
createPasteEvent({ types: { "text/plain": text } }),
);
expect(clipboardData.text).toBe(text);
});
it("should parse valid excalidraw JSON if inside text/plain", async () => {
const rect = API.createElement({ type: "rectangle" });
const json = serializeAsClipboardJSON({ elements: [rect], files: null });
const clipboardData = await parseClipboard(
createPasteEvent({
types: {
"text/plain": json,
},
}),
);
expect(clipboardData.elements).toEqual([rect]);
});
it("should parse valid excalidraw JSON if inside text/html", async () => {
const rect = API.createElement({ type: "rectangle" });
let json;
let clipboardData;
// -------------------------------------------------------------------------
json = serializeAsClipboardJSON({ elements: [rect], files: null });
clipboardData = await parseClipboard(
createPasteEvent({
types: {
"text/html": json,
},
}),
);
expect(clipboardData.elements).toEqual([rect]);
// -------------------------------------------------------------------------
json = serializeAsClipboardJSON({ elements: [rect], files: null });
clipboardData = await parseClipboard(
createPasteEvent({
types: {
"text/html": `<div> ${json}</div>`,
},
}),
);
expect(clipboardData.elements).toEqual([rect]);
// -------------------------------------------------------------------------
});
it("should parse <image> `src` urls out of text/html", async () => {
let clipboardData;
// -------------------------------------------------------------------------
clipboardData = await parseClipboard(
createPasteEvent({
types: {
"text/html": `<img src="https://example.com/image.png" />`,
},
}),
);
expect(clipboardData.mixedContent).toEqual([
{
type: "imageUrl",
value: "https://example.com/image.png",
},
]);
// -------------------------------------------------------------------------
clipboardData = await parseClipboard(
createPasteEvent({
types: {
"text/html": `<div><img src="https://example.com/image.png" /></div><a><img src="https://example.com/image2.png" /></a>`,
},
}),
);
expect(clipboardData.mixedContent).toEqual([
{
type: "imageUrl",
value: "https://example.com/image.png",
},
{
type: "imageUrl",
value: "https://example.com/image2.png",
},
]);
});
it("should parse text content alongside <image> `src` urls out of text/html", async () => {
const clipboardData = await parseClipboard(
createPasteEvent({
types: {
"text/html": `<a href="https://example.com">hello </a><div><img src="https://example.com/image.png" /></div><b>my friend!</b>`,
},
}),
);
expect(clipboardData.mixedContent).toEqual([
{
type: "text",
// trimmed
value: "hello",
},
{
type: "imageUrl",
value: "https://example.com/image.png",
},
{
type: "text",
value: "my friend!",
},
]);
});
it("should parse spreadsheet from either text/plain and text/html", async () => {
let clipboardData;
// -------------------------------------------------------------------------
clipboardData = await parseClipboard(
createPasteEvent({
types: {
"text/plain": `a b
1 2
4 5
7 10`,
},
}),
);
expect(clipboardData.spreadsheet).toEqual({
title: "b",
labels: ["1", "4", "7"],
values: [2, 5, 10],
});
// -------------------------------------------------------------------------
clipboardData = await parseClipboard(
createPasteEvent({
types: {
"text/html": `a b
1 2
4 5
7 10`,
},
}),
);
expect(clipboardData.spreadsheet).toEqual({
title: "b",
labels: ["1", "4", "7"],
values: [2, 5, 10],
});
// -------------------------------------------------------------------------
clipboardData = await parseClipboard(
createPasteEvent({
types: {
"text/html": `<html>
<body>
<!--StartFragment--><google-sheets-html-origin><style type="text/css"><!--td {border: 1px solid #cccccc;}br {mso-data-placement:same-cell;}--></style><table xmlns="http://www.w3.org/1999/xhtml" cellspacing="0" cellpadding="0" dir="ltr" border="1" style="table-layout:fixed;font-size:10pt;font-family:Arial;width:0px;border-collapse:collapse;border:none"><colgroup><col width="100"/><col width="100"/></colgroup><tbody><tr style="height:21px;"><td style="overflow:hidden;padding:2px 3px 2px 3px;vertical-align:bottom;" data-sheets-value="{&quot;1&quot;:2,&quot;2&quot;:&quot;a&quot;}">a</td><td style="overflow:hidden;padding:2px 3px 2px 3px;vertical-align:bottom;" data-sheets-value="{&quot;1&quot;:2,&quot;2&quot;:&quot;b&quot;}">b</td></tr><tr style="height:21px;"><td style="overflow:hidden;padding:2px 3px 2px 3px;vertical-align:bottom;text-align:right;" data-sheets-value="{&quot;1&quot;:3,&quot;3&quot;:1}">1</td><td style="overflow:hidden;padding:2px 3px 2px 3px;vertical-align:bottom;text-align:right;" data-sheets-value="{&quot;1&quot;:3,&quot;3&quot;:2}">2</td></tr><tr style="height:21px;"><td style="overflow:hidden;padding:2px 3px 2px 3px;vertical-align:bottom;text-align:right;" data-sheets-value="{&quot;1&quot;:3,&quot;3&quot;:4}">4</td><td style="overflow:hidden;padding:2px 3px 2px 3px;vertical-align:bottom;text-align:right;" data-sheets-value="{&quot;1&quot;:3,&quot;3&quot;:5}">5</td></tr><tr style="height:21px;"><td style="overflow:hidden;padding:2px 3px 2px 3px;vertical-align:bottom;text-align:right;" data-sheets-value="{&quot;1&quot;:3,&quot;3&quot;:7}">7</td><td style="overflow:hidden;padding:2px 3px 2px 3px;vertical-align:bottom;text-align:right;" data-sheets-value="{&quot;1&quot;:3,&quot;3&quot;:10}">10</td></tr></tbody></table><!--EndFragment-->
</body>
</html>`,
"text/plain": `a b
1 2
4 5
7 10`,
},
}),
);
expect(clipboardData.spreadsheet).toEqual({
title: "b",
labels: ["1", "4", "7"],
values: [2, 5, 10],
});
});
});

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@ -1,482 +0,0 @@
import {
ExcalidrawElement,
NonDeletedExcalidrawElement,
} from "./element/types";
import { BinaryFiles } from "./types";
import { tryParseSpreadsheet, Spreadsheet, VALID_SPREADSHEET } from "./charts";
import {
ALLOWED_PASTE_MIME_TYPES,
EXPORT_DATA_TYPES,
MIME_TYPES,
} from "./constants";
import {
isFrameLikeElement,
isInitializedImageElement,
} from "./element/typeChecks";
import { deepCopyElement } from "./element/newElement";
import { mutateElement } from "./element/mutateElement";
import { getContainingFrame } from "./frame";
import { isMemberOf, isPromiseLike } from "./utils";
import { t } from "./i18n";
type ElementsClipboard = {
type: typeof EXPORT_DATA_TYPES.excalidrawClipboard;
elements: readonly NonDeletedExcalidrawElement[];
files: BinaryFiles | undefined;
};
export type PastedMixedContent = { type: "text" | "imageUrl"; value: string }[];
export interface ClipboardData {
spreadsheet?: Spreadsheet;
elements?: readonly ExcalidrawElement[];
files?: BinaryFiles;
text?: string;
mixedContent?: PastedMixedContent;
errorMessage?: string;
programmaticAPI?: boolean;
}
type AllowedPasteMimeTypes = typeof ALLOWED_PASTE_MIME_TYPES[number];
type ParsedClipboardEvent =
| { type: "text"; value: string }
| { type: "mixedContent"; value: PastedMixedContent };
export const probablySupportsClipboardReadText =
"clipboard" in navigator && "readText" in navigator.clipboard;
export const probablySupportsClipboardWriteText =
"clipboard" in navigator && "writeText" in navigator.clipboard;
export const probablySupportsClipboardBlob =
"clipboard" in navigator &&
"write" in navigator.clipboard &&
"ClipboardItem" in window &&
"toBlob" in HTMLCanvasElement.prototype;
const clipboardContainsElements = (
contents: any,
): contents is { elements: ExcalidrawElement[]; files?: BinaryFiles } => {
if (
[
EXPORT_DATA_TYPES.excalidraw,
EXPORT_DATA_TYPES.excalidrawClipboard,
EXPORT_DATA_TYPES.excalidrawClipboardWithAPI,
].includes(contents?.type) &&
Array.isArray(contents.elements)
) {
return true;
}
return false;
};
export const createPasteEvent = ({
types,
files,
}: {
types?: { [key in AllowedPasteMimeTypes]?: string };
files?: File[];
}) => {
if (!types && !files) {
console.warn("createPasteEvent: no types or files provided");
}
const event = new ClipboardEvent("paste", {
clipboardData: new DataTransfer(),
});
if (types) {
for (const [type, value] of Object.entries(types)) {
try {
event.clipboardData?.setData(type, value);
if (event.clipboardData?.getData(type) !== value) {
throw new Error(`Failed to set "${type}" as clipboardData item`);
}
} catch (error: any) {
throw new Error(error.message);
}
}
}
if (files) {
let idx = -1;
for (const file of files) {
idx++;
try {
event.clipboardData?.items.add(file);
if (event.clipboardData?.files[idx] !== file) {
throw new Error(
`Failed to set file "${file.name}" as clipboardData item`,
);
}
} catch (error: any) {
throw new Error(error.message);
}
}
}
return event;
};
export const serializeAsClipboardJSON = ({
elements,
files,
}: {
elements: readonly NonDeletedExcalidrawElement[];
files: BinaryFiles | null;
}) => {
const framesToCopy = new Set(
elements.filter((element) => isFrameLikeElement(element)),
);
let foundFile = false;
const _files = elements.reduce((acc, element) => {
if (isInitializedImageElement(element)) {
foundFile = true;
if (files && files[element.fileId]) {
acc[element.fileId] = files[element.fileId];
}
}
return acc;
}, {} as BinaryFiles);
if (foundFile && !files) {
console.warn(
"copyToClipboard: attempting to file element(s) without providing associated `files` object.",
);
}
// select bound text elements when copying
const contents: ElementsClipboard = {
type: EXPORT_DATA_TYPES.excalidrawClipboard,
elements: elements.map((element) => {
if (
getContainingFrame(element) &&
!framesToCopy.has(getContainingFrame(element)!)
) {
const copiedElement = deepCopyElement(element);
mutateElement(copiedElement, {
frameId: null,
});
return copiedElement;
}
return element;
}),
files: files ? _files : undefined,
};
return JSON.stringify(contents);
};
export const copyToClipboard = async (
elements: readonly NonDeletedExcalidrawElement[],
files: BinaryFiles | null,
/** supply if available to make the operation more certain to succeed */
clipboardEvent?: ClipboardEvent | null,
) => {
await copyTextToSystemClipboard(
serializeAsClipboardJSON({ elements, files }),
clipboardEvent,
);
};
const parsePotentialSpreadsheet = (
text: string,
): { spreadsheet: Spreadsheet } | { errorMessage: string } | null => {
const result = tryParseSpreadsheet(text);
if (result.type === VALID_SPREADSHEET) {
return { spreadsheet: result.spreadsheet };
}
return null;
};
/** internal, specific to parsing paste events. Do not reuse. */
function parseHTMLTree(el: ChildNode) {
let result: PastedMixedContent = [];
for (const node of el.childNodes) {
if (node.nodeType === 3) {
const text = node.textContent?.trim();
if (text) {
result.push({ type: "text", value: text });
}
} else if (node instanceof HTMLImageElement) {
const url = node.getAttribute("src");
if (url && url.startsWith("http")) {
result.push({ type: "imageUrl", value: url });
}
} else {
result = result.concat(parseHTMLTree(node));
}
}
return result;
}
const maybeParseHTMLPaste = (
event: ClipboardEvent,
): { type: "mixedContent"; value: PastedMixedContent } | null => {
const html = event.clipboardData?.getData("text/html");
if (!html) {
return null;
}
try {
const doc = new DOMParser().parseFromString(html, "text/html");
const content = parseHTMLTree(doc.body);
if (content.length) {
return { type: "mixedContent", value: content };
}
} catch (error: any) {
console.error(`error in parseHTMLFromPaste: ${error.message}`);
}
return null;
};
export const readSystemClipboard = async () => {
const types: { [key in AllowedPasteMimeTypes]?: string } = {};
try {
if (navigator.clipboard?.readText) {
return { "text/plain": await navigator.clipboard?.readText() };
}
} catch (error: any) {
// @ts-ignore
if (navigator.clipboard?.read) {
console.warn(
`navigator.clipboard.readText() failed (${error.message}). Failling back to navigator.clipboard.read()`,
);
} else {
throw error;
}
}
let clipboardItems: ClipboardItems;
try {
clipboardItems = await navigator.clipboard?.read();
} catch (error: any) {
if (error.name === "DataError") {
console.warn(
`navigator.clipboard.read() error, clipboard is probably empty: ${error.message}`,
);
return types;
}
throw error;
}
for (const item of clipboardItems) {
for (const type of item.types) {
if (!isMemberOf(ALLOWED_PASTE_MIME_TYPES, type)) {
continue;
}
try {
types[type] = await (await item.getType(type)).text();
} catch (error: any) {
console.warn(
`Cannot retrieve ${type} from clipboardItem: ${error.message}`,
);
}
}
}
if (Object.keys(types).length === 0) {
console.warn("No clipboard data found from clipboard.read().");
return types;
}
return types;
};
/**
* Parses "paste" ClipboardEvent.
*/
const parseClipboardEvent = async (
event: ClipboardEvent,
isPlainPaste = false,
): Promise<ParsedClipboardEvent> => {
try {
const mixedContent = !isPlainPaste && event && maybeParseHTMLPaste(event);
if (mixedContent) {
if (mixedContent.value.every((item) => item.type === "text")) {
return {
type: "text",
value:
event.clipboardData?.getData("text/plain") ||
mixedContent.value
.map((item) => item.value)
.join("\n")
.trim(),
};
}
return mixedContent;
}
const text = event.clipboardData?.getData("text/plain");
return { type: "text", value: (text || "").trim() };
} catch {
return { type: "text", value: "" };
}
};
/**
* Attempts to parse clipboard. Prefers system clipboard.
*/
export const parseClipboard = async (
event: ClipboardEvent,
isPlainPaste = false,
): Promise<ClipboardData> => {
const parsedEventData = await parseClipboardEvent(event, isPlainPaste);
if (parsedEventData.type === "mixedContent") {
return {
mixedContent: parsedEventData.value,
};
}
try {
// if system clipboard contains spreadsheet, use it even though it's
// technically possible it's staler than in-app clipboard
const spreadsheetResult =
!isPlainPaste && parsePotentialSpreadsheet(parsedEventData.value);
if (spreadsheetResult) {
return spreadsheetResult;
}
} catch (error: any) {
console.error(error);
}
try {
const systemClipboardData = JSON.parse(parsedEventData.value);
const programmaticAPI =
systemClipboardData.type === EXPORT_DATA_TYPES.excalidrawClipboardWithAPI;
if (clipboardContainsElements(systemClipboardData)) {
return {
elements: systemClipboardData.elements,
files: systemClipboardData.files,
text: isPlainPaste
? JSON.stringify(systemClipboardData.elements, null, 2)
: undefined,
programmaticAPI,
};
}
} catch {}
return { text: parsedEventData.value };
};
export const copyBlobToClipboardAsPng = async (blob: Blob | Promise<Blob>) => {
try {
// in Safari so far we need to construct the ClipboardItem synchronously
// (i.e. in the same tick) otherwise browser will complain for lack of
// user intent. Using a Promise ClipboardItem constructor solves this.
// https://bugs.webkit.org/show_bug.cgi?id=222262
//
// Note that Firefox (and potentially others) seems to support Promise
// ClipboardItem constructor, but throws on an unrelated MIME type error.
// So we need to await this and fallback to awaiting the blob if applicable.
await navigator.clipboard.write([
new window.ClipboardItem({
[MIME_TYPES.png]: blob,
}),
]);
} catch (error: any) {
// if we're using a Promise ClipboardItem, let's try constructing
// with resolution value instead
if (isPromiseLike(blob)) {
await navigator.clipboard.write([
new window.ClipboardItem({
[MIME_TYPES.png]: await blob,
}),
]);
} else {
throw error;
}
}
};
export const copyTextToSystemClipboard = async (
text: string | null,
clipboardEvent?: ClipboardEvent | null,
) => {
// (1) first try using Async Clipboard API
if (probablySupportsClipboardWriteText) {
try {
// NOTE: doesn't work on FF on non-HTTPS domains, or when document
// not focused
await navigator.clipboard.writeText(text || "");
return;
} catch (error: any) {
console.error(error);
}
}
// (2) if fails and we have access to ClipboardEvent, use plain old setData()
try {
if (clipboardEvent) {
clipboardEvent.clipboardData?.setData("text/plain", text || "");
if (clipboardEvent.clipboardData?.getData("text/plain") !== text) {
throw new Error("Failed to setData on clipboardEvent");
}
return;
}
} catch (error: any) {
console.error(error);
}
// (3) if that fails, use document.execCommand
if (!copyTextViaExecCommand(text)) {
throw new Error(t("errors.copyToSystemClipboardFailed"));
}
};
// adapted from https://github.com/zenorocha/clipboard.js/blob/ce79f170aa655c408b6aab33c9472e8e4fa52e19/src/clipboard-action.js#L48
const copyTextViaExecCommand = (text: string | null) => {
// execCommand doesn't allow copying empty strings, so if we're
// clearing clipboard using this API, we must copy at least an empty char
if (!text) {
text = " ";
}
const isRTL = document.documentElement.getAttribute("dir") === "rtl";
const textarea = document.createElement("textarea");
textarea.style.border = "0";
textarea.style.padding = "0";
textarea.style.margin = "0";
textarea.style.position = "absolute";
textarea.style[isRTL ? "right" : "left"] = "-9999px";
const yPosition = window.pageYOffset || document.documentElement.scrollTop;
textarea.style.top = `${yPosition}px`;
// Prevent zooming on iOS
textarea.style.fontSize = "12pt";
textarea.setAttribute("readonly", "");
textarea.value = text;
document.body.appendChild(textarea);
let success = false;
try {
textarea.select();
textarea.setSelectionRange(0, textarea.value.length);
success = document.execCommand("copy");
} catch (error: any) {
console.error(error);
}
textarea.remove();
return success;
};

View File

@ -1,7 +0,0 @@
@import "../css/variables.module.scss";
.excalidraw {
.Avatar {
@include avatarStyles;
}
}

View File

@ -1,73 +0,0 @@
.excalidraw {
.ExcalidrawLogo {
--logo-icon--xs: 2rem;
--logo-text--xs: 1.5rem;
--logo-icon--small: 2.5rem;
--logo-text--small: 1.75rem;
--logo-icon--normal: 3rem;
--logo-text--normal: 2.2rem;
--logo-icon--large: 90px;
--logo-text--large: 65px;
display: flex;
align-items: center;
svg {
flex: 0 0 auto;
}
.ExcalidrawLogo-icon {
width: auto;
color: var(--color-logo-icon);
}
.ExcalidrawLogo-text {
margin-left: 0.75rem;
width: auto;
color: var(--color-logo-text);
}
&.is-xs {
.ExcalidrawLogo-icon {
height: var(--logo-icon--xs);
}
.ExcalidrawLogo-text {
height: var(--logo-text--xs);
}
}
&.is-small {
.ExcalidrawLogo-icon {
height: var(--logo-icon--small);
}
.ExcalidrawLogo-text {
height: var(--logo-text--small);
}
}
&.is-normal {
.ExcalidrawLogo-icon {
height: var(--logo-icon--normal);
}
.ExcalidrawLogo-text {
height: var(--logo-text--normal);
}
}
&.is-large {
.ExcalidrawLogo-icon {
height: var(--logo-icon--large);
}
.ExcalidrawLogo-text {
height: var(--logo-text--large);
}
}
}
}

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@ -1,59 +0,0 @@
.excalidraw {
.follow-mode {
position: absolute;
box-sizing: border-box;
pointer-events: none;
border: 2px solid var(--color-primary-hover);
z-index: 9999;
display: flex;
align-items: flex-end;
justify-content: center;
&__badge {
background-color: var(--color-primary-hover);
color: var(--color-primary-light);
padding: 0.25rem 0.5rem;
margin-bottom: 0.5rem;
border-radius: 0.5rem;
pointer-events: all;
font-size: 0.75rem;
display: flex;
gap: 0.5rem;
align-items: center;
&__label {
display: flex;
white-space: pre-wrap;
line-height: 1;
}
&__username {
display: block;
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
max-width: 100px;
}
}
&__disconnect-btn {
all: unset;
cursor: pointer;
border-radius: 0.25rem;
&:hover {
background-color: var(--color-primary-darker);
}
&:active {
background-color: var(--color-primary-darkest);
}
svg {
display: block;
width: 1rem;
height: 1rem;
}
}
}
}

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@ -1,43 +0,0 @@
import { UserToFollow } from "../../types";
import { CloseIcon } from "../icons";
import "./FollowMode.scss";
interface FollowModeProps {
width: number;
height: number;
userToFollow: UserToFollow;
onDisconnect: () => void;
}
const FollowMode = ({
height,
width,
userToFollow,
onDisconnect,
}: FollowModeProps) => {
return (
<div style={{ position: "relative" }}>
<div className="follow-mode" style={{ width, height }}>
<div className="follow-mode__badge">
<div className="follow-mode__badge__label">
Following{" "}
<span
className="follow-mode__badge__username"
title={userToFollow.username}
>
{userToFollow.username}
</span>
</div>
<button
onClick={onDisconnect}
className="follow-mode__disconnect-btn"
>
{CloseIcon}
</button>
</div>
</div>
</div>
);
};
export default FollowMode;

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@ -1,15 +0,0 @@
export const InlineIcon = ({ icon }: { icon: JSX.Element }) => {
return (
<span
style={{
width: "1em",
margin: "0 0.5ex 0 0.5ex",
display: "inline-block",
lineHeight: 0,
verticalAlign: "middle",
}}
>
{icon}
</span>
);
};

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@ -1,41 +0,0 @@
import "./ToolIcon.scss";
import clsx from "clsx";
import { ToolButtonSize } from "./ToolButton";
import { laserPointerToolIcon } from "./icons";
type LaserPointerIconProps = {
title?: string;
name?: string;
checked: boolean;
onChange?(): void;
isMobile?: boolean;
};
const DEFAULT_SIZE: ToolButtonSize = "small";
export const LaserPointerButton = (props: LaserPointerIconProps) => {
return (
<label
className={clsx(
"ToolIcon ToolIcon__LaserPointer",
`ToolIcon_size_${DEFAULT_SIZE}`,
{
"is-mobile": props.isMobile,
},
)}
title={`${props.title}`}
>
<input
className="ToolIcon_type_checkbox"
type="checkbox"
name={props.name}
onChange={props.onChange}
checked={props.checked}
aria-label={props.title}
data-testid="toolbar-LaserPointer"
/>
<div className="ToolIcon__icon">{laserPointerToolIcon}</div>
</label>
);
};

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@ -1,38 +0,0 @@
import "./ToolIcon.scss";
import clsx from "clsx";
import { ToolButtonSize } from "./ToolButton";
const DEFAULT_SIZE: ToolButtonSize = "small";
export const ElementCanvasButton = (props: {
title?: string;
icon: JSX.Element;
name?: string;
checked: boolean;
onChange?(): void;
isMobile?: boolean;
}) => {
return (
<label
className={clsx(
"ToolIcon ToolIcon__MagicButton",
`ToolIcon_size_${DEFAULT_SIZE}`,
{
"is-mobile": props.isMobile,
},
)}
title={`${props.title}`}
>
<input
className="ToolIcon_type_checkbox"
type="checkbox"
name={props.name}
onChange={props.onChange}
checked={props.checked}
aria-label={props.title}
/>
<div className="ToolIcon__icon">{props.icon}</div>
</label>
);
};

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@ -1,18 +0,0 @@
.excalidraw {
.MagicSettings {
.Island {
height: 100%;
display: flex;
flex-direction: column;
}
}
.MagicSettings-confirm {
padding: 0.5rem 1rem;
}
.MagicSettings__confirm {
margin-top: 2rem;
margin-right: auto;
}
}

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@ -1,160 +0,0 @@
import { useState } from "react";
import { Dialog } from "./Dialog";
import { TextField } from "./TextField";
import { MagicIcon, OpenAIIcon } from "./icons";
import { FilledButton } from "./FilledButton";
import { CheckboxItem } from "./CheckboxItem";
import { KEYS } from "../keys";
import { useUIAppState } from "../context/ui-appState";
import { InlineIcon } from "./InlineIcon";
import { Paragraph } from "./Paragraph";
import "./MagicSettings.scss";
import TTDDialogTabs from "./TTDDialog/TTDDialogTabs";
import { TTDDialogTab } from "./TTDDialog/TTDDialogTab";
export const MagicSettings = (props: {
openAIKey: string | null;
isPersisted: boolean;
onChange: (key: string, shouldPersist: boolean) => void;
onConfirm: (key: string, shouldPersist: boolean) => void;
onClose: () => void;
}) => {
const [keyInputValue, setKeyInputValue] = useState(props.openAIKey || "");
const [shouldPersist, setShouldPersist] = useState<boolean>(
props.isPersisted,
);
const appState = useUIAppState();
const onConfirm = () => {
props.onConfirm(keyInputValue.trim(), shouldPersist);
};
if (appState.openDialog?.name !== "settings") {
return null;
}
return (
<Dialog
onCloseRequest={() => {
props.onClose();
props.onConfirm(keyInputValue.trim(), shouldPersist);
}}
title={
<div style={{ display: "flex" }}>
Wireframe to Code (AI){" "}
<div
style={{
display: "flex",
alignItems: "center",
justifyContent: "center",
padding: "0.1rem 0.5rem",
marginLeft: "1rem",
fontSize: 14,
borderRadius: "12px",
color: "#000",
background: "pink",
}}
>
Experimental
</div>
</div>
}
className="MagicSettings"
autofocus={false}
>
{/* <h2
style={{
margin: 0,
fontSize: "1.25rem",
paddingLeft: "2.5rem",
}}
>
AI Settings
</h2> */}
<TTDDialogTabs dialog="settings" tab={appState.openDialog.tab}>
{/* <TTDDialogTabTriggers>
<TTDDialogTabTrigger tab="text-to-diagram">
<InlineIcon icon={brainIcon} /> Text to diagram
</TTDDialogTabTrigger>
<TTDDialogTabTrigger tab="diagram-to-code">
<InlineIcon icon={MagicIcon} /> Wireframe to code
</TTDDialogTabTrigger>
</TTDDialogTabTriggers> */}
{/* <TTDDialogTab className="ttd-dialog-content" tab="text-to-diagram">
TODO
</TTDDialogTab> */}
<TTDDialogTab
// className="ttd-dialog-content"
tab="diagram-to-code"
>
<Paragraph>
For the diagram-to-code feature we use{" "}
<InlineIcon icon={OpenAIIcon} />
OpenAI.
</Paragraph>
<Paragraph>
While the OpenAI API is in beta, its use is strictly limited as
such we require you use your own API key. You can create an{" "}
<a
href="https://platform.openai.com/login?launch"
rel="noopener noreferrer"
target="_blank"
>
OpenAI account
</a>
, add a small credit (5 USD minimum), and{" "}
<a
href="https://platform.openai.com/api-keys"
rel="noopener noreferrer"
target="_blank"
>
generate your own API key
</a>
.
</Paragraph>
<Paragraph>
Your OpenAI key does not leave the browser, and you can also set
your own limit in your OpenAI account dashboard if needed.
</Paragraph>
<TextField
isRedacted
value={keyInputValue}
placeholder="Paste your API key here"
label="OpenAI API key"
onChange={(value) => {
setKeyInputValue(value);
props.onChange(value.trim(), shouldPersist);
}}
selectOnRender
onKeyDown={(event) => event.key === KEYS.ENTER && onConfirm()}
/>
<Paragraph>
By default, your API token is not persisted anywhere so you'll need
to insert it again after reload. But, you can persist locally in
your browser below.
</Paragraph>
<CheckboxItem checked={shouldPersist} onChange={setShouldPersist}>
Persist API key in browser storage
</CheckboxItem>
<Paragraph>
Once API key is set, you can use the <InlineIcon icon={MagicIcon} />{" "}
tool to wrap your elements in a frame that will then allow you to
turn it into code. This dialog can be accessed using the{" "}
<b>AI Settings</b> <InlineIcon icon={OpenAIIcon} />.
</Paragraph>
<FilledButton
className="MagicSettings__confirm"
size="large"
label="Confirm"
onClick={onConfirm}
/>
</TTDDialogTab>
</TTDDialogTabs>
</Dialog>
);
};

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@ -1,10 +0,0 @@
export const Paragraph = (props: {
children: React.ReactNode;
style?: React.CSSProperties;
}) => {
return (
<p className="excalidraw__paragraph" style={props.style}>
{props.children}
</p>
);
};

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@ -1,22 +0,0 @@
.excalidraw {
.SVGLayer {
pointer-events: none;
width: 100vw;
height: 100vh;
position: fixed;
top: 0;
left: 0;
z-index: 2;
& svg {
image-rendering: auto;
overflow: visible;
position: absolute;
width: 100%;
height: 100%;
top: 0;
left: 0;
}
}
}

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@ -1,33 +0,0 @@
import { useEffect, useRef } from "react";
import { Trail } from "../animated-trail";
import "./SVGLayer.scss";
type SVGLayerProps = {
trails: Trail[];
};
export const SVGLayer = ({ trails }: SVGLayerProps) => {
const svgRef = useRef<SVGSVGElement | null>(null);
useEffect(() => {
if (svgRef.current) {
for (const trail of trails) {
trail.start(svgRef.current);
}
}
return () => {
for (const trail of trails) {
trail.stop();
}
};
// eslint-disable-next-line react-hooks/exhaustive-deps
}, trails);
return (
<div className="SVGLayer">
<svg ref={svgRef} />
</div>
);
};

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@ -1,10 +0,0 @@
.excalidraw {
.dialog-mermaid {
&-title {
margin-block: 0.25rem;
font-size: 1.25rem;
font-weight: 700;
padding-inline: 2.5rem;
}
}
}

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@ -1,128 +0,0 @@
import { useState, useRef, useEffect, useDeferredValue } from "react";
import { BinaryFiles } from "../../types";
import { useApp } from "../App";
import { NonDeletedExcalidrawElement } from "../../element/types";
import { ArrowRightIcon } from "../icons";
import "./MermaidToExcalidraw.scss";
import { t } from "../../i18n";
import Trans from "../Trans";
import {
MermaidToExcalidrawLibProps,
convertMermaidToExcalidraw,
insertToEditor,
saveMermaidDataToStorage,
} from "./common";
import { TTDDialogPanels } from "./TTDDialogPanels";
import { TTDDialogPanel } from "./TTDDialogPanel";
import { TTDDialogInput } from "./TTDDialogInput";
import { TTDDialogOutput } from "./TTDDialogOutput";
import { EditorLocalStorage } from "../../data/EditorLocalStorage";
import { EDITOR_LS_KEYS } from "../../constants";
import { debounce } from "../../utils";
import { TTDDialogSubmitShortcut } from "./TTDDialogSubmitShortcut";
const MERMAID_EXAMPLE =
"flowchart TD\n A[Christmas] -->|Get money| B(Go shopping)\n B --> C{Let me think}\n C -->|One| D[Laptop]\n C -->|Two| E[iPhone]\n C -->|Three| F[Car]";
const debouncedSaveMermaidDefinition = debounce(saveMermaidDataToStorage, 300);
const MermaidToExcalidraw = ({
mermaidToExcalidrawLib,
}: {
mermaidToExcalidrawLib: MermaidToExcalidrawLibProps;
}) => {
const [text, setText] = useState(
() =>
EditorLocalStorage.get<string>(EDITOR_LS_KEYS.MERMAID_TO_EXCALIDRAW) ||
MERMAID_EXAMPLE,
);
const deferredText = useDeferredValue(text.trim());
const [error, setError] = useState<Error | null>(null);
const canvasRef = useRef<HTMLDivElement>(null);
const data = useRef<{
elements: readonly NonDeletedExcalidrawElement[];
files: BinaryFiles | null;
}>({ elements: [], files: null });
const app = useApp();
useEffect(() => {
convertMermaidToExcalidraw({
canvasRef,
data,
mermaidToExcalidrawLib,
setError,
mermaidDefinition: deferredText,
}).catch(() => {});
debouncedSaveMermaidDefinition(deferredText);
}, [deferredText, mermaidToExcalidrawLib]);
useEffect(
() => () => {
debouncedSaveMermaidDefinition.flush();
},
[],
);
const onInsertToEditor = () => {
insertToEditor({
app,
data,
text,
shouldSaveMermaidDataToStorage: true,
});
};
return (
<>
<div className="ttd-dialog-desc">
<Trans
i18nKey="mermaid.description"
flowchartLink={(el) => (
<a href="https://mermaid.js.org/syntax/flowchart.html">{el}</a>
)}
sequenceLink={(el) => (
<a href="https://mermaid.js.org/syntax/sequenceDiagram.html">
{el}
</a>
)}
classLink={(el) => (
<a href="https://mermaid.js.org/syntax/classDiagram.html">{el}</a>
)}
/>
</div>
<TTDDialogPanels>
<TTDDialogPanel label={t("mermaid.syntax")}>
<TTDDialogInput
input={text}
placeholder={"Write Mermaid diagram defintion here..."}
onChange={(event) => setText(event.target.value)}
onKeyboardSubmit={() => {
onInsertToEditor();
}}
/>
</TTDDialogPanel>
<TTDDialogPanel
label={t("mermaid.preview")}
panelAction={{
action: () => {
onInsertToEditor();
},
label: t("mermaid.button"),
icon: ArrowRightIcon,
}}
renderSubmitShortcut={() => <TTDDialogSubmitShortcut />}
>
<TTDDialogOutput
canvasRef={canvasRef}
loaded={mermaidToExcalidrawLib.loaded}
error={error}
/>
</TTDDialogPanel>
</TTDDialogPanels>
</>
);
};
export default MermaidToExcalidraw;

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@ -1,315 +0,0 @@
@import "../../css/variables.module.scss";
$verticalBreakpoint: 861px;
.excalidraw {
.Modal.Dialog.ttd-dialog {
padding: 1.25rem;
&.Dialog--fullscreen {
margin-top: 0;
}
.Island {
padding-inline: 0 !important;
height: 100%;
display: flex;
flex-direction: column;
flex: 1 1 auto;
box-shadow: none;
}
.Modal__content {
height: auto;
max-height: 100%;
@media screen and (min-width: $verticalBreakpoint) {
max-height: 750px;
height: 100%;
}
}
.Dialog__content {
flex: 1 1 auto;
}
}
.ttd-dialog-desc {
font-size: 15px;
font-style: italic;
font-weight: 500;
margin-bottom: 1.5rem;
}
.ttd-dialog-tabs-root {
width: 100%;
height: 100%;
display: flex;
flex-direction: column;
}
.ttd-dialog-tab-trigger {
color: var(--color-on-surface);
font-size: 0.875rem;
margin: 0;
padding: 0 1rem;
background-color: transparent;
border: 0;
height: 2.875rem;
font-weight: 600;
font-family: inherit;
letter-spacing: 0.4px;
&[data-state="active"] {
border-bottom: 2px solid var(--color-primary);
}
}
.ttd-dialog-triggers {
border-bottom: 1px solid var(--color-surface-high);
margin-bottom: 1.5rem;
padding-inline: 2.5rem;
}
.ttd-dialog-content {
padding-inline: 2.5rem;
height: 100%;
display: flex;
flex-direction: column;
&[hidden] {
display: none;
}
}
.ttd-dialog-input {
width: auto;
height: 10rem;
resize: none;
border-radius: var(--border-radius-lg);
border: 1px solid var(--dialog-border-color);
white-space: pre-wrap;
padding: 0.85rem;
box-sizing: border-box;
font-family: monospace;
@media screen and (min-width: $verticalBreakpoint) {
width: 100%;
height: 100%;
}
}
.ttd-dialog-output-wrapper {
display: flex;
align-items: center;
justify-content: center;
padding: 0.85rem;
box-sizing: border-box;
flex-grow: 1;
position: relative;
background: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAMUlEQVQ4T2NkYGAQYcAP3uCTZhw1gGGYhAGBZIA/nYDCgBDAm9BGDWAAJyRCgLaBCAAgXwixzAS0pgAAAABJRU5ErkJggg==")
left center;
border-radius: var(--border-radius-lg);
border: 1px solid var(--dialog-border-color);
height: 400px;
width: auto;
@media screen and (min-width: $verticalBreakpoint) {
width: 100%;
// acts as min-height
height: 200px;
}
canvas {
max-width: 100%;
max-height: 100%;
}
}
.ttd-dialog-output-canvas-container {
display: flex;
width: 100%;
height: 100%;
align-items: center;
justify-content: center;
flex-grow: 1;
}
.ttd-dialog-output-error {
color: red;
font-weight: 800;
font-size: 30px;
word-break: break-word;
overflow: auto;
max-height: 100%;
height: 100%;
width: 100%;
text-align: center;
position: absolute;
z-index: 10;
p {
font-weight: 500;
font-family: Cascadia;
text-align: left;
white-space: pre-wrap;
font-size: 0.875rem;
padding: 0 10px;
}
}
.ttd-dialog-panels {
height: 100%;
@media screen and (min-width: $verticalBreakpoint) {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 4rem;
}
}
.ttd-dialog-panel {
display: flex;
flex-direction: column;
width: 100%;
&__header {
display: flex;
margin: 0px 4px 4px 4px;
align-items: center;
gap: 1rem;
label {
font-size: 14px;
font-style: normal;
font-weight: 600;
}
}
&:first-child {
.ttd-dialog-panel-button-container:not(.invisible) {
margin-bottom: 4rem;
}
}
@media screen and (min-width: $verticalBreakpoint) {
.ttd-dialog-panel-button-container:not(.invisible) {
margin-bottom: 0.5rem !important;
}
}
textarea {
height: 100%;
resize: none;
border-radius: var(--border-radius-lg);
border: 1px solid var(--dialog-border-color);
white-space: pre-wrap;
padding: 0.85rem;
box-sizing: border-box;
width: 100%;
font-family: monospace;
@media screen and (max-width: $verticalBreakpoint) {
width: auto;
height: 10rem;
}
}
}
.ttd-dialog-panel-button-container {
margin-top: 1rem;
margin-bottom: 0.5rem;
&.invisible {
.ttd-dialog-panel-button {
display: none;
@media screen and (min-width: $verticalBreakpoint) {
display: block;
visibility: hidden;
}
}
}
}
.ttd-dialog-panel-button {
&.excalidraw-button {
font-family: inherit;
font-weight: 600;
height: 2.5rem;
font-size: 12px;
color: $oc-white;
background-color: var(--color-primary);
width: 100%;
&:hover {
background-color: var(--color-primary-darker);
}
&:active {
background-color: var(--color-primary-darkest);
}
&:disabled {
opacity: 0.5;
cursor: not-allowed;
&:hover {
background-color: var(--color-primary);
}
}
@media screen and (min-width: $verticalBreakpoint) {
width: auto;
min-width: 7.5rem;
}
@at-root .excalidraw.theme--dark#{&} {
color: var(--color-gray-100);
}
}
position: relative;
div {
display: contents;
&.invisible {
visibility: hidden;
}
&.Spinner {
display: flex !important;
position: absolute;
inset: 0;
--spinner-color: white;
@at-root .excalidraw.theme--dark#{&} {
--spinner-color: var(--color-gray-100);
}
}
span {
padding-left: 0.5rem;
display: flex;
}
}
}
.ttd-dialog-submit-shortcut {
margin-inline-start: 0.5rem;
font-size: 0.625rem;
opacity: 0.6;
display: flex;
gap: 0.125rem;
&__key {
border: 1px solid gray;
padding: 2px 3px;
border-radius: 4px;
}
}
}

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@ -1,393 +0,0 @@
import { Dialog } from "../Dialog";
import { useApp, useExcalidrawSetAppState } from "../App";
import MermaidToExcalidraw from "./MermaidToExcalidraw";
import TTDDialogTabs from "./TTDDialogTabs";
import { ChangeEventHandler, useEffect, useRef, useState } from "react";
import { useUIAppState } from "../../context/ui-appState";
import { withInternalFallback } from "../hoc/withInternalFallback";
import { TTDDialogTabTriggers } from "./TTDDialogTabTriggers";
import { TTDDialogTabTrigger } from "./TTDDialogTabTrigger";
import { TTDDialogTab } from "./TTDDialogTab";
import { t } from "../../i18n";
import { TTDDialogInput } from "./TTDDialogInput";
import { TTDDialogOutput } from "./TTDDialogOutput";
import { TTDDialogPanel } from "./TTDDialogPanel";
import { TTDDialogPanels } from "./TTDDialogPanels";
import {
MermaidToExcalidrawLibProps,
convertMermaidToExcalidraw,
insertToEditor,
saveMermaidDataToStorage,
} from "./common";
import { NonDeletedExcalidrawElement } from "../../element/types";
import { BinaryFiles } from "../../types";
import { ArrowRightIcon } from "../icons";
import "./TTDDialog.scss";
import { isFiniteNumber } from "../../utils";
import { atom, useAtom } from "jotai";
import { trackEvent } from "../../analytics";
import { InlineIcon } from "../InlineIcon";
import { TTDDialogSubmitShortcut } from "./TTDDialogSubmitShortcut";
const MIN_PROMPT_LENGTH = 3;
const MAX_PROMPT_LENGTH = 1000;
const rateLimitsAtom = atom<{
rateLimit: number;
rateLimitRemaining: number;
} | null>(null);
const ttdGenerationAtom = atom<{
generatedResponse: string | null;
prompt: string | null;
} | null>(null);
type OnTestSubmitRetValue = {
rateLimit?: number | null;
rateLimitRemaining?: number | null;
} & (
| { generatedResponse: string | undefined; error?: null | undefined }
| {
error: Error;
generatedResponse?: null | undefined;
}
);
export const TTDDialog = (
props:
| {
onTextSubmit(value: string): Promise<OnTestSubmitRetValue>;
}
| { __fallback: true },
) => {
const appState = useUIAppState();
if (appState.openDialog?.name !== "ttd") {
return null;
}
return <TTDDialogBase {...props} tab={appState.openDialog.tab} />;
};
/**
* Text to diagram (TTD) dialog
*/
export const TTDDialogBase = withInternalFallback(
"TTDDialogBase",
({
tab,
...rest
}: {
tab: "text-to-diagram" | "mermaid";
} & (
| {
onTextSubmit(value: string): Promise<OnTestSubmitRetValue>;
}
| { __fallback: true }
)) => {
const app = useApp();
const setAppState = useExcalidrawSetAppState();
const someRandomDivRef = useRef<HTMLDivElement>(null);
const [ttdGeneration, setTtdGeneration] = useAtom(ttdGenerationAtom);
const [text, setText] = useState(ttdGeneration?.prompt ?? "");
const prompt = text.trim();
const handleTextChange: ChangeEventHandler<HTMLTextAreaElement> = (
event,
) => {
setText(event.target.value);
setTtdGeneration((s) => ({
generatedResponse: s?.generatedResponse ?? null,
prompt: event.target.value,
}));
};
const [onTextSubmitInProgess, setOnTextSubmitInProgess] = useState(false);
const [rateLimits, setRateLimits] = useAtom(rateLimitsAtom);
const onGenerate = async () => {
if (
prompt.length > MAX_PROMPT_LENGTH ||
prompt.length < MIN_PROMPT_LENGTH ||
onTextSubmitInProgess ||
rateLimits?.rateLimitRemaining === 0 ||
// means this is not a text-to-diagram dialog (needed for TS only)
"__fallback" in rest
) {
if (prompt.length < MIN_PROMPT_LENGTH) {
setError(
new Error(
`Prompt is too short (min ${MIN_PROMPT_LENGTH} characters)`,
),
);
}
if (prompt.length > MAX_PROMPT_LENGTH) {
setError(
new Error(
`Prompt is too long (max ${MAX_PROMPT_LENGTH} characters)`,
),
);
}
return;
}
try {
setOnTextSubmitInProgess(true);
trackEvent("ai", "generate", "ttd");
const { generatedResponse, error, rateLimit, rateLimitRemaining } =
await rest.onTextSubmit(prompt);
if (typeof generatedResponse === "string") {
setTtdGeneration((s) => ({
generatedResponse,
prompt: s?.prompt ?? null,
}));
}
if (isFiniteNumber(rateLimit) && isFiniteNumber(rateLimitRemaining)) {
setRateLimits({ rateLimit, rateLimitRemaining });
}
if (error) {
setError(error);
return;
}
if (!generatedResponse) {
setError(new Error("Generation failed"));
return;
}
try {
await convertMermaidToExcalidraw({
canvasRef: someRandomDivRef,
data,
mermaidToExcalidrawLib,
setError,
mermaidDefinition: generatedResponse,
});
trackEvent("ai", "mermaid parse success", "ttd");
} catch (error: any) {
console.info(
`%cTTD mermaid render errror: ${error.message}`,
"color: red",
);
console.info(
`>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>\nTTD mermaid definition render errror: ${error.message}`,
"color: yellow",
);
trackEvent("ai", "mermaid parse failed", "ttd");
setError(
new Error(
"Generated an invalid diagram :(. You may also try a different prompt.",
),
);
}
} catch (error: any) {
let message: string | undefined = error.message;
if (!message || message === "Failed to fetch") {
message = "Request failed";
}
setError(new Error(message));
} finally {
setOnTextSubmitInProgess(false);
}
};
const refOnGenerate = useRef(onGenerate);
refOnGenerate.current = onGenerate;
const [mermaidToExcalidrawLib, setMermaidToExcalidrawLib] =
useState<MermaidToExcalidrawLibProps>({
loaded: false,
api: import("@excalidraw/mermaid-to-excalidraw"),
});
useEffect(() => {
const fn = async () => {
await mermaidToExcalidrawLib.api;
setMermaidToExcalidrawLib((prev) => ({ ...prev, loaded: true }));
};
fn();
}, [mermaidToExcalidrawLib.api]);
const data = useRef<{
elements: readonly NonDeletedExcalidrawElement[];
files: BinaryFiles | null;
}>({ elements: [], files: null });
const [error, setError] = useState<Error | null>(null);
return (
<Dialog
className="ttd-dialog"
onCloseRequest={() => {
app.setOpenDialog(null);
}}
size={1200}
title={false}
{...rest}
autofocus={false}
>
<TTDDialogTabs dialog="ttd" tab={tab}>
{"__fallback" in rest && rest.__fallback ? (
<p className="dialog-mermaid-title">{t("mermaid.title")}</p>
) : (
<TTDDialogTabTriggers>
<TTDDialogTabTrigger tab="text-to-diagram">
<div style={{ display: "flex", alignItems: "center" }}>
{t("labels.textToDiagram")}
<div
style={{
display: "flex",
alignItems: "center",
justifyContent: "center",
padding: "1px 6px",
marginLeft: "10px",
fontSize: 10,
borderRadius: "12px",
background: "pink",
color: "#000",
}}
>
AI Beta
</div>
</div>
</TTDDialogTabTrigger>
<TTDDialogTabTrigger tab="mermaid">Mermaid</TTDDialogTabTrigger>
</TTDDialogTabTriggers>
)}
<TTDDialogTab className="ttd-dialog-content" tab="mermaid">
<MermaidToExcalidraw
mermaidToExcalidrawLib={mermaidToExcalidrawLib}
/>
</TTDDialogTab>
{!("__fallback" in rest) && (
<TTDDialogTab className="ttd-dialog-content" tab="text-to-diagram">
<div className="ttd-dialog-desc">
Currently we use Mermaid as a middle step, so you'll get best
results if you describe a diagram, workflow, flow chart, and
similar.
</div>
<TTDDialogPanels>
<TTDDialogPanel
label={t("labels.prompt")}
panelAction={{
action: onGenerate,
label: "Generate",
icon: ArrowRightIcon,
}}
onTextSubmitInProgess={onTextSubmitInProgess}
panelActionDisabled={
prompt.length > MAX_PROMPT_LENGTH ||
rateLimits?.rateLimitRemaining === 0
}
renderTopRight={() => {
if (!rateLimits) {
return null;
}
return (
<div
className="ttd-dialog-rate-limit"
style={{
fontSize: 12,
marginLeft: "auto",
color:
rateLimits.rateLimitRemaining === 0
? "var(--color-danger)"
: undefined,
}}
>
{rateLimits.rateLimitRemaining} requests left today
</div>
);
}}
renderSubmitShortcut={() => <TTDDialogSubmitShortcut />}
renderBottomRight={() => {
if (typeof ttdGeneration?.generatedResponse === "string") {
return (
<div
className="excalidraw-link"
style={{ marginLeft: "auto", fontSize: 14 }}
onClick={() => {
if (
typeof ttdGeneration?.generatedResponse ===
"string"
) {
saveMermaidDataToStorage(
ttdGeneration.generatedResponse,
);
setAppState({
openDialog: { name: "ttd", tab: "mermaid" },
});
}
}}
>
View as Mermaid
<InlineIcon icon={ArrowRightIcon} />
</div>
);
}
const ratio = prompt.length / MAX_PROMPT_LENGTH;
if (ratio > 0.8) {
return (
<div
style={{
marginLeft: "auto",
fontSize: 12,
fontFamily: "monospace",
color:
ratio > 1 ? "var(--color-danger)" : undefined,
}}
>
Length: {prompt.length}/{MAX_PROMPT_LENGTH}
</div>
);
}
return null;
}}
>
<TTDDialogInput
onChange={handleTextChange}
input={text}
placeholder={"Describe what you want to see..."}
onKeyboardSubmit={() => {
refOnGenerate.current();
}}
/>
</TTDDialogPanel>
<TTDDialogPanel
label="Preview"
panelAction={{
action: () => {
console.info("Panel action clicked");
insertToEditor({ app, data });
},
label: "Insert",
icon: ArrowRightIcon,
}}
>
<TTDDialogOutput
canvasRef={someRandomDivRef}
error={error}
loaded={mermaidToExcalidrawLib.loaded}
/>
</TTDDialogPanel>
</TTDDialogPanels>
</TTDDialogTab>
)}
</TTDDialogTabs>
</Dialog>
);
},
);

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@ -1,52 +0,0 @@
import { ChangeEventHandler, useEffect, useRef } from "react";
import { EVENT } from "../../constants";
import { KEYS } from "../../keys";
interface TTDDialogInputProps {
input: string;
placeholder: string;
onChange: ChangeEventHandler<HTMLTextAreaElement>;
onKeyboardSubmit?: () => void;
}
export const TTDDialogInput = ({
input,
placeholder,
onChange,
onKeyboardSubmit,
}: TTDDialogInputProps) => {
const ref = useRef<HTMLTextAreaElement>(null);
const callbackRef = useRef(onKeyboardSubmit);
callbackRef.current = onKeyboardSubmit;
useEffect(() => {
if (!callbackRef.current) {
return;
}
const textarea = ref.current;
if (textarea) {
const handleKeyDown = (event: KeyboardEvent) => {
if (event[KEYS.CTRL_OR_CMD] && event.key === KEYS.ENTER) {
event.preventDefault();
callbackRef.current?.();
}
};
textarea.addEventListener(EVENT.KEYDOWN, handleKeyDown);
return () => {
textarea.removeEventListener(EVENT.KEYDOWN, handleKeyDown);
};
}
}, []);
return (
<textarea
className="ttd-dialog-input"
onChange={onChange}
value={input}
placeholder={placeholder}
autoFocus
ref={ref}
/>
);
};

View File

@ -1,39 +0,0 @@
import Spinner from "../Spinner";
const ErrorComp = ({ error }: { error: string }) => {
return (
<div
data-testid="ttd-dialog-output-error"
className="ttd-dialog-output-error"
>
Error! <p>{error}</p>
</div>
);
};
interface TTDDialogOutputProps {
error: Error | null;
canvasRef: React.RefObject<HTMLDivElement>;
loaded: boolean;
}
export const TTDDialogOutput = ({
error,
canvasRef,
loaded,
}: TTDDialogOutputProps) => {
return (
<div className="ttd-dialog-output-wrapper">
{error && <ErrorComp error={error.message} />}
{loaded ? (
<div
ref={canvasRef}
style={{ opacity: error ? "0.15" : 1 }}
className="ttd-dialog-output-canvas-container"
/>
) : (
<Spinner size="2rem" />
)}
</div>
);
};

View File

@ -1,63 +0,0 @@
import { ReactNode } from "react";
import { Button } from "../Button";
import clsx from "clsx";
import Spinner from "../Spinner";
interface TTDDialogPanelProps {
label: string;
children: ReactNode;
panelAction?: {
label: string;
action: () => void;
icon?: ReactNode;
};
panelActionDisabled?: boolean;
onTextSubmitInProgess?: boolean;
renderTopRight?: () => ReactNode;
renderSubmitShortcut?: () => ReactNode;
renderBottomRight?: () => ReactNode;
}
export const TTDDialogPanel = ({
label,
children,
panelAction,
panelActionDisabled = false,
onTextSubmitInProgess,
renderTopRight,
renderSubmitShortcut,
renderBottomRight,
}: TTDDialogPanelProps) => {
return (
<div className="ttd-dialog-panel">
<div className="ttd-dialog-panel__header">
<label>{label}</label>
{renderTopRight?.()}
</div>
{children}
<div
className={clsx("ttd-dialog-panel-button-container", {
invisible: !panelAction,
})}
style={{ display: "flex", alignItems: "center" }}
>
<Button
className="ttd-dialog-panel-button"
onSelect={panelAction ? panelAction.action : () => {}}
disabled={panelActionDisabled || onTextSubmitInProgess}
>
<div className={clsx({ invisible: onTextSubmitInProgess })}>
{panelAction?.label}
{panelAction?.icon && <span>{panelAction.icon}</span>}
</div>
{onTextSubmitInProgess && <Spinner />}
</Button>
{!panelActionDisabled &&
!onTextSubmitInProgess &&
renderSubmitShortcut?.()}
{renderBottomRight?.()}
</div>
</div>
);
};

View File

@ -1,5 +0,0 @@
import { ReactNode } from "react";
export const TTDDialogPanels = ({ children }: { children: ReactNode }) => {
return <div className="ttd-dialog-panels">{children}</div>;
};

View File

@ -1,14 +0,0 @@
import { getShortcutKey } from "../../utils";
export const TTDDialogSubmitShortcut = () => {
return (
<div className="ttd-dialog-submit-shortcut">
<div className="ttd-dialog-submit-shortcut__key">
{getShortcutKey("CtrlOrCmd")}
</div>
<div className="ttd-dialog-submit-shortcut__key">
{getShortcutKey("Enter")}
</div>
</div>
);
};

View File

@ -1,17 +0,0 @@
import * as RadixTabs from "@radix-ui/react-tabs";
export const TTDDialogTab = ({
tab,
children,
...rest
}: {
tab: string;
children: React.ReactNode;
} & React.HTMLAttributes<HTMLDivElement>) => {
return (
<RadixTabs.Content {...rest} value={tab}>
{children}
</RadixTabs.Content>
);
};
TTDDialogTab.displayName = "TTDDialogTab";

View File

@ -1,21 +0,0 @@
import * as RadixTabs from "@radix-ui/react-tabs";
export const TTDDialogTabTrigger = ({
children,
tab,
onSelect,
...rest
}: {
children: React.ReactNode;
tab: string;
onSelect?: React.ReactEventHandler<HTMLButtonElement> | undefined;
} & Omit<React.HTMLAttributes<HTMLButtonElement>, "onSelect">) => {
return (
<RadixTabs.Trigger value={tab} asChild onSelect={onSelect}>
<button type="button" className="ttd-dialog-tab-trigger" {...rest}>
{children}
</button>
</RadixTabs.Trigger>
);
};
TTDDialogTabTrigger.displayName = "TTDDialogTabTrigger";

View File

@ -1,13 +0,0 @@
import * as RadixTabs from "@radix-ui/react-tabs";
export const TTDDialogTabTriggers = ({
children,
...rest
}: { children: React.ReactNode } & React.HTMLAttributes<HTMLDivElement>) => {
return (
<RadixTabs.List className="ttd-dialog-triggers" {...rest}>
{children}
</RadixTabs.List>
);
};
TTDDialogTabTriggers.displayName = "TTDDialogTabTriggers";

View File

@ -1,64 +0,0 @@
import * as RadixTabs from "@radix-ui/react-tabs";
import { ReactNode, useRef } from "react";
import { useExcalidrawSetAppState } from "../App";
import { isMemberOf } from "../../utils";
const TTDDialogTabs = (
props: {
children: ReactNode;
} & (
| { dialog: "ttd"; tab: "text-to-diagram" | "mermaid" }
| { dialog: "settings"; tab: "text-to-diagram" | "diagram-to-code" }
),
) => {
const setAppState = useExcalidrawSetAppState();
const rootRef = useRef<HTMLDivElement>(null);
const minHeightRef = useRef<number>(0);
return (
<RadixTabs.Root
ref={rootRef}
className="ttd-dialog-tabs-root"
value={props.tab}
onValueChange={(
// at least in test enviros, `tab` can be `undefined`
tab: string | undefined,
) => {
if (!tab) {
return;
}
const modalContentNode =
rootRef.current?.closest<HTMLElement>(".Modal__content");
if (modalContentNode) {
const currHeight = modalContentNode.offsetHeight || 0;
if (currHeight > minHeightRef.current) {
minHeightRef.current = currHeight;
modalContentNode.style.minHeight = `min(${minHeightRef.current}px, 100%)`;
}
}
if (
props.dialog === "settings" &&
isMemberOf(["text-to-diagram", "diagram-to-code"], tab)
) {
setAppState({
openDialog: { name: props.dialog, tab, source: "settings" },
});
} else if (
props.dialog === "ttd" &&
isMemberOf(["text-to-diagram", "mermaid"], tab)
) {
setAppState({
openDialog: { name: props.dialog, tab },
});
}
}}
>
{props.children}
</RadixTabs.Root>
);
};
TTDDialogTabs.displayName = "TTDDialogTabs";
export default TTDDialogTabs;

View File

@ -1,34 +0,0 @@
import { ReactNode } from "react";
import { useTunnels } from "../../context/tunnels";
import DropdownMenu from "../dropdownMenu/DropdownMenu";
import { useExcalidrawSetAppState } from "../App";
import { brainIcon } from "../icons";
import { t } from "../../i18n";
import { trackEvent } from "../../analytics";
export const TTDDialogTrigger = ({
children,
icon,
}: {
children?: ReactNode;
icon?: JSX.Element;
}) => {
const { TTDDialogTriggerTunnel } = useTunnels();
const setAppState = useExcalidrawSetAppState();
return (
<TTDDialogTriggerTunnel.In>
<DropdownMenu.Item
onSelect={() => {
trackEvent("ai", "dialog open", "ttd");
setAppState({ openDialog: { name: "ttd", tab: "text-to-diagram" } });
}}
icon={icon ?? brainIcon}
>
{children ?? t("labels.textToDiagram")}
<DropdownMenu.Item.Badge>AI</DropdownMenu.Item.Badge>
</DropdownMenu.Item>
</TTDDialogTriggerTunnel.In>
);
};
TTDDialogTrigger.displayName = "TTDDialogTrigger";

View File

@ -1,162 +0,0 @@
import { MermaidOptions } from "@excalidraw/mermaid-to-excalidraw";
import { MermaidToExcalidrawResult } from "@excalidraw/mermaid-to-excalidraw/dist/interfaces";
import {
DEFAULT_EXPORT_PADDING,
DEFAULT_FONT_SIZE,
EDITOR_LS_KEYS,
} from "../../constants";
import { convertToExcalidrawElements, exportToCanvas } from "../../index";
import { NonDeletedExcalidrawElement } from "../../element/types";
import { AppClassProperties, BinaryFiles } from "../../types";
import { canvasToBlob } from "../../data/blob";
import { EditorLocalStorage } from "../../data/EditorLocalStorage";
const resetPreview = ({
canvasRef,
setError,
}: {
canvasRef: React.RefObject<HTMLDivElement>;
setError: (error: Error | null) => void;
}) => {
const canvasNode = canvasRef.current;
if (!canvasNode) {
return;
}
const parent = canvasNode.parentElement;
if (!parent) {
return;
}
parent.style.background = "";
setError(null);
canvasNode.replaceChildren();
};
export interface MermaidToExcalidrawLibProps {
loaded: boolean;
api: Promise<{
parseMermaidToExcalidraw: (
definition: string,
options: MermaidOptions,
) => Promise<MermaidToExcalidrawResult>;
}>;
}
interface ConvertMermaidToExcalidrawFormatProps {
canvasRef: React.RefObject<HTMLDivElement>;
mermaidToExcalidrawLib: MermaidToExcalidrawLibProps;
mermaidDefinition: string;
setError: (error: Error | null) => void;
data: React.MutableRefObject<{
elements: readonly NonDeletedExcalidrawElement[];
files: BinaryFiles | null;
}>;
}
export const convertMermaidToExcalidraw = async ({
canvasRef,
mermaidToExcalidrawLib,
mermaidDefinition,
setError,
data,
}: ConvertMermaidToExcalidrawFormatProps) => {
const canvasNode = canvasRef.current;
const parent = canvasNode?.parentElement;
if (!canvasNode || !parent) {
return;
}
if (!mermaidDefinition) {
resetPreview({ canvasRef, setError });
return;
}
try {
const api = await mermaidToExcalidrawLib.api;
let ret;
try {
ret = await api.parseMermaidToExcalidraw(mermaidDefinition, {
fontSize: DEFAULT_FONT_SIZE,
});
} catch (err: any) {
ret = await api.parseMermaidToExcalidraw(
mermaidDefinition.replace(/"/g, "'"),
{
fontSize: DEFAULT_FONT_SIZE,
},
);
}
const { elements, files } = ret;
setError(null);
data.current = {
elements: convertToExcalidrawElements(elements, {
regenerateIds: true,
}),
files,
};
const canvas = await exportToCanvas({
elements: data.current.elements,
files: data.current.files,
exportPadding: DEFAULT_EXPORT_PADDING,
maxWidthOrHeight:
Math.max(parent.offsetWidth, parent.offsetHeight) *
window.devicePixelRatio,
});
// if converting to blob fails, there's some problem that will
// likely prevent preview and export (e.g. canvas too big)
await canvasToBlob(canvas);
parent.style.background = "var(--default-bg-color)";
canvasNode.replaceChildren(canvas);
} catch (err: any) {
parent.style.background = "var(--default-bg-color)";
if (mermaidDefinition) {
setError(err);
}
throw err;
}
};
export const saveMermaidDataToStorage = (mermaidDefinition: string) => {
EditorLocalStorage.set(
EDITOR_LS_KEYS.MERMAID_TO_EXCALIDRAW,
mermaidDefinition,
);
};
export const insertToEditor = ({
app,
data,
text,
shouldSaveMermaidDataToStorage,
}: {
app: AppClassProperties;
data: React.MutableRefObject<{
elements: readonly NonDeletedExcalidrawElement[];
files: BinaryFiles | null;
}>;
text?: string;
shouldSaveMermaidDataToStorage?: boolean;
}) => {
const { elements: newElements, files } = data.current;
if (!newElements.length) {
return;
}
app.addElementsFromPasteOrLibrary({
elements: newElements,
files,
position: "center",
fitToContent: true,
});
app.setOpenDialog(null);
if (shouldSaveMermaidDataToStorage && text) {
saveMermaidDataToStorage(text);
}
};

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