39 lines
1.3 KiB
JavaScript
39 lines
1.3 KiB
JavaScript
/**
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* Copyright 2020 Google Inc. All Rights Reserved.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import { promises as fs } from 'fs';
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const prefix = 'as-text:';
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export default function dataURLPlugin() {
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return {
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name: 'as-text-plugin',
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async resolveId(id, importer) {
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if (!id.startsWith(prefix)) return;
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const realId = id.slice(prefix.length);
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const resolveResult = await this.resolve(realId, importer);
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if (!resolveResult) throw Error(`Cannot find ${realId} from ${importer}`);
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return prefix + resolveResult.id;
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},
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async load(id) {
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if (!id.startsWith(prefix)) return;
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const realId = id.slice(prefix.length);
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this.addWatchFile(realId);
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const source = await fs.readFile(realId, { encoding: 'utf-8' });
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return `export default ${JSON.stringify(source)}`;
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},
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};
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}
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