| import type { EdgeFunctionDefinition } from '../../../build/webpack/plugins/middleware-plugin' |
| import { createReadStream, promises as fs } from 'fs' |
| import { requestToBodyStream } from '../../body-streams' |
| import { resolve } from 'path' |
|
|
| |
| |
| |
| |
| |
| export async function fetchInlineAsset(options: { |
| input: RequestInfo | URL |
| distDir: string |
| assets: EdgeFunctionDefinition['assets'] |
| context: { Response: typeof Response; ReadableStream: typeof ReadableStream } |
| }): Promise<Response | undefined> { |
| 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) |
| ) |
| } |
| } |
|
|
