43def798e1
* Refactoring codecs * Plugging in new processor * Fixing decorator * MozJPEG free issue * Better worker aborting, and terminate workers that aren't used for 10 seconds * Better comment * Ooops, half-typed comment * Uncommenting problematic line * Surma fixed it! * Abstracting WASM initialisation * Better comment * Don't need this. * Adding ticket * noInitalRun * Reverting MozJPEG issue demo * Making a const for worker timeout * Inline docs * Bail early rather than nesting * Addressing nits
28 lines
965 B
TypeScript
28 lines
965 B
TypeScript
type ModuleFactory<M extends EmscriptenWasm.Module> = (
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opts: EmscriptenWasm.ModuleOpts,
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) => M;
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export function initWasmModule<T extends EmscriptenWasm.Module>(
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moduleFactory: ModuleFactory<T>,
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wasmUrl: string,
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): Promise<T> {
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return new Promise((resolve) => {
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const module = moduleFactory({
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// Just to be safe, don't automatically invoke any wasm functions
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noInitialRun: true,
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locateFile(url: string): string {
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// Redirect the request for the wasm binary to whatever webpack gave us.
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if (url.endsWith('.wasm')) return wasmUrl;
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return url;
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},
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onRuntimeInitialized() {
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// An Emscripten is a then-able that resolves with itself, causing an infite loop when you
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// wrap it in a real promise. Delete the `then` prop solves this for now.
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// https://github.com/kripken/emscripten/issues/5820
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delete (module as any).then;
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resolve(module);
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},
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});
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});
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}
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