hamid
47 lines
2.1 KiB
TypeScript
47 lines
2.1 KiB
TypeScript
import type { Config } from 'jest';
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import nextJest from 'next/jest.js';
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// const nextJest = require('next/jest');
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const createJestConfig = nextJest({
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// Provide the path to your Next.js app to load next.config.* and .env files in your test environment
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dir: './',
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});
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// Add any custom config to be passed to Jest
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const customJestConfig: Config = {
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coverageProvider: 'v8',
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setupFilesAfterEnv: ['<rootDir>/jest.setup.ts'],
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moduleNameMapper: {
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// Handle the `@/*` alias — it maps to `src/*` (see tsconfig.json), so jest.mock('@/…')
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// and imports resolve to the same files the app uses.
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'^@/(.*)$': '<rootDir>/src/$1',
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},
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// testEnvironment: 'jest-environment-jsdom',
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testEnvironment: 'jsdom',
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// transform: {
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// '.+\\.(css|styl|less|sass|scss)$': 'jest-css-modules-transform',
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// },
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};
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// next-intl (and its use-intl dependency) ship ESM-only builds. next/jest's own
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// `transformIgnorePatterns` already broadly matches all of node_modules (its negative-lookahead
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// allowlist only carves out a couple of Next.js-internal packages), and Jest's array semantics
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// are OR-based — a file is ignored if ANY pattern matches, so appending a more permissive pattern
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// can never "un-ignore" a package an earlier pattern already caught. The array has to be replaced
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// outright (post-processing the async config next/jest returns), not merged, to let a real
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// (unmocked) `import ... from 'next-intl'` be transformed instead of failing to parse. Without
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// this, any shared component that imports next-intl (even just for a sensible default) would
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// force every test file that transitively imports it via the `@/components` barrel to
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// `jest.mock('next-intl', …)`, even when that test never touches translations itself.
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const withTransformableIntl = async () => {
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const config = await createJestConfig(customJestConfig)();
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config.transformIgnorePatterns = [
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'/node_modules/(?!(geist|next/dist/client|next/dist/shared/lib|next/src/client|next/src/shared/lib|next-intl|use-intl|@formatjs|intl-messageformat)/)',
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'^.+\\.module\\.(css|sass|scss)$',
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];
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return config;
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};
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module.exports = withTransformableIntl;
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