workerImportMetaUrl.spec.ts — vite Source File

Source Code

import { describe, expect, test } from 'vitest'
import { parseAst } from 'rollup/parseAst'
import { workerImportMetaUrlPlugin } from '../../plugins/workerImportMetaUrl'
import { resolveConfig } from '../../config'
import { PartialEnvironment } from '../../baseEnvironment'

async function createWorkerImportMetaUrlPluginTransform() {
  const config = await resolveConfig({ configFile: false }, 'serve')
  const instance = workerImportMetaUrlPlugin(config)
  const environment = new PartialEnvironment('client', config)

  return async (code: string) => {
    // @ts-expect-error transform.handler should exist
    const result = await instance.transform.handler.call(
      { environment, parse: parseAst },
      code,
      'foo.ts',
    )
    return result?.code || result
  }
}

describe('workerImportMetaUrlPlugin', async () => {
  const transform = await createWorkerImportMetaUrlPluginTransform()

  test('without worker options', async () => {
    expect(
      await transform('new Worker(new URL("./worker.js", import.meta.url))'),
    ).toMatchInlineSnapshot(
      `"new Worker(new URL(/* @vite-ignore */ "/worker.js?worker_file&type=classic", '' + import.meta.url))"`,
    )
  })

  test('with shared worker', async () => {
    expect(
      await transform(
        'new SharedWorker(new URL("./worker.js", import.meta.url))',
      ),
    ).toMatchInlineSnapshot(
      `"new SharedWorker(new URL(/* @vite-ignore */ "/worker.js?worker_file&type=classic", '' + import.meta.url))"`,
    )
  })

  test('with static worker options and identifier properties', async () => {
    expect(
      await transform(
        'new Worker(new URL("./worker.js", import.meta.url), { type: "module", name: "worker1" })',
      ),
    ).toMatchInlineSnapshot(
      `"new Worker(new URL(/* @vite-ignore */ "/worker.js?worker_file&type=module", '' + import.meta.url), { type: "module", name: "worker1" })"`,
    )
  })

  test('with static worker options and literal properties', async () => {
    expect(
      await transform(
        'new Worker(new URL("./worker.js", import.meta.url), { "type": "module", "name": "worker1" })',
      ),
    ).toMatchInlineSnapshot(
      `"new Worker(new URL(/* @vite-ignore */ "/worker.js?worker_file&type=module", '' + import.meta.url), { "type": "module", "name": "worker1" })"`,
// ... (197 more lines)