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jest.config.ts
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jest.config.ts
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import type { Config } from '@jest/types';
const nextJest = require('next/jest');
const createJestConfig = nextJest({
// Provide the path to your Next.js app to load next.config.js and .env files in your test environment
dir: './',
});
// Add any custom config to be passed to Jest
const customJestConfig: Config.InitialOptions = {
preset: 'ts-jest',
testEnvironment: 'jsdom',
transform: {
'^.+\\.tsx?$': 'ts-jest',
},
testRegex: ['(/__tests__/.*|(\\.|/)(test|spec))\\.(t|j)sx?$'],
moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node'],
coverageProvider: 'v8',
setupFilesAfterEnv: ['./jest.setup.ts'],
collectCoverageFrom: [
'src/components/**/*.{js,jsx,ts,tsx}',
'src/utils/*.{js,jsx,ts,tsx}',
],
};
// createJestConfig is exported this way to ensure that next/jest can load the Next.js config which is async
const config: Config.InitialOptions = createJestConfig(customJestConfig);
export default config;