e0cc9cd44f
This PR adds a new `experimental.enableUndici` option to let the developer switch from `next-fetch` to `undici` as the underlying polyfill for `fetch` in Node.js. In the current implementation, Next.js makes sure that `fetch` is always available by using `node-fetch`. However, we do not polyfill in Node.js 18+, since those versions come with their own `fetch` implementation already, built-in. Node.js 18+ uses `undici` under the hood, so letting the developer use `undici` earlier could make the migration easier later on. Eventually, we hope to be able to stop polyfilling `fetch` in an upcoming major version of Next.js, shipping less code. ## Bug - [ ] Related issues linked using `fixes #number` - [ ] Integration tests added - [ ] Errors have helpful link attached, see `contributing.md` ## Feature - [ ] Implements an existing feature request or RFC. Make sure the feature request has been accepted for implementation before opening a PR. - [ ] Related issues linked using `fixes #number` - [ ] Integration tests added - [ ] Documentation added - [ ] Telemetry added. In case of a feature if it's used or not. - [ ] Errors have helpful link attached, see `contributing.md` ## Documentation / Examples - [ ] Make sure the linting passes by running `pnpm lint` - [ ] The examples guidelines are followed from [our contributing doc](https://github.com/vercel/next.js/blob/canary/contributing.md#adding-examples) Co-authored-by: Balázs Orbán <info@balazsorban.com> Co-authored-by: Sukka <isukkaw@gmail.com> Co-authored-by: JJ Kasper <jj@jjsweb.site> Co-authored-by: Steven <steven@ceriously.com>
20 lines
666 B
JavaScript
20 lines
666 B
JavaScript
const nextJest = require('next/jest')
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const createJestConfig = nextJest()
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// Any custom config you want to pass to Jest
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/** @type {import('jest').Config} */
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const customJestConfig = {
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testMatch: ['**/*.test.js', '**/*.test.ts', '**/*.test.tsx'],
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setupFilesAfterEnv: ['<rootDir>/jest-setup-after-env.ts'],
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verbose: true,
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rootDir: 'test',
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modulePaths: ['<rootDir>/lib'],
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transformIgnorePatterns: ['/next[/\\\\]dist/', '/\\.next/'],
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globals: {
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AbortSignal: global.AbortSignal,
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},
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}
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// createJestConfig is exported in this way to ensure that next/jest can load the Next.js config which is async
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module.exports = createJestConfig(customJestConfig)
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