next
Version:
The React Framework
29 lines (28 loc) • 1.1 kB
JavaScript
import { createReadStream, promises as fs } from 'fs';
import { requestToBodyStream } from '../../body-streams';
import { resolve } from 'path';
/**
* Short-circuits the `fetch` function
* to return a stream for a given asset, if a user used `new URL("file", import.meta.url)`.
* This allows to embed assets in Edge Runtime.
*/ export async function fetchInlineAsset(options) {
const inputString = String(options.input);
if (!inputString.startsWith('blob:')) {
return;
}
const name = inputString.replace('blob:', '');
const asset = options.assets ? options.assets.find((x)=>x.name === name) : {
name,
filePath: name
};
if (!asset) {
return;
}
const filePath = resolve(options.distDir, asset.filePath);
const fileIsReadable = await fs.access(filePath).then(()=>true, ()=>false);
if (fileIsReadable) {
const readStream = createReadStream(filePath);
return new options.context.Response(requestToBodyStream(options.context, Uint8Array, readStream));
}
}
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