next
Version:
The React Framework
226 lines (224 loc) • 10.4 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
Object.defineProperty(exports, /**
* @example
* ```ts
* // Usage in jest.config.js
* const nextJest = require('next/jest');
*
* // Optionally provide path to Next.js app which will enable loading next.config.js and .env files
* const createJestConfig = nextJest({ dir })
*
* // Any custom config you want to pass to Jest
* const customJestConfig = {
* setupFilesAfterEnv: ['<rootDir>/jest.setup.js'],
* }
*
* // createJestConfig is exported in this way to ensure that next/jest can load the Next.js config which is async
* module.exports = createJestConfig(customJestConfig)
* ```
*
* Read more: [Next.js Docs: Setting up Jest with Next.js](https://nextjs.org/docs/app/building-your-application/testing/jest)
*/ "default", {
enumerable: true,
get: function() {
return nextJest;
}
});
const _env = require("@next/env");
const _path = require("path");
const _config = /*#__PURE__*/ _interop_require_default(require("../../server/config"));
const _constants = require("../../shared/lib/constants");
const _loadjsconfig = /*#__PURE__*/ _interop_require_default(require("../load-jsconfig"));
const _log = /*#__PURE__*/ _interop_require_wildcard(require("../output/log"));
const _findpagesdir = require("../../lib/find-pages-dir");
const _swc = require("../swc");
function _interop_require_default(obj) {
return obj && obj.__esModule ? obj : {
default: obj
};
}
function _getRequireWildcardCache(nodeInterop) {
if (typeof WeakMap !== "function") return null;
var cacheBabelInterop = new WeakMap();
var cacheNodeInterop = new WeakMap();
return (_getRequireWildcardCache = function(nodeInterop) {
return nodeInterop ? cacheNodeInterop : cacheBabelInterop;
})(nodeInterop);
}
function _interop_require_wildcard(obj, nodeInterop) {
if (!nodeInterop && obj && obj.__esModule) {
return obj;
}
if (obj === null || typeof obj !== "object" && typeof obj !== "function") {
return {
default: obj
};
}
var cache = _getRequireWildcardCache(nodeInterop);
if (cache && cache.has(obj)) {
return cache.get(obj);
}
var newObj = {
__proto__: null
};
var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor;
for(var key in obj){
if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) {
var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null;
if (desc && (desc.get || desc.set)) {
Object.defineProperty(newObj, key, desc);
} else {
newObj[key] = obj[key];
}
}
}
newObj.default = obj;
if (cache) {
cache.set(obj, newObj);
}
return newObj;
}
const DEFAULT_TRANSPILED_PACKAGES = require('../../lib/default-transpiled-packages.json');
async function getConfig(dir) {
const conf = await (0, _config.default)(_constants.PHASE_TEST, dir);
return conf;
}
/**
* Loads closest package.json in the directory hierarchy
*/ function loadClosestPackageJson(dir, attempts = 1) {
if (attempts > 5) {
throw Object.defineProperty(new Error("Can't resolve main package.json file"), "__NEXT_ERROR_CODE", {
value: "E139",
enumerable: false,
configurable: true
});
}
var mainPath = attempts === 1 ? './' : Array(attempts).join('../');
try {
return require((0, _path.join)(dir, mainPath + 'package.json'));
} catch (e) {
return loadClosestPackageJson(dir, attempts + 1);
}
}
/** Loads dotenv files and sets environment variables based on next config. */ function setUpEnv(dir) {
const dev = false;
(0, _env.loadEnvConfig)(dir, dev, _log);
}
function nextJest(options = {}) {
// createJestConfig
return (customJestConfig)=>{
// Function that is provided as the module.exports of jest.config.js
// Will be called and awaited by Jest
return async ()=>{
var _nextConfig_experimental, _nextConfig_experimental1;
let nextConfig;
let jsConfig;
let resolvedBaseUrl;
let isEsmProject = false;
let pagesDir;
let serverComponents;
if (options.dir) {
const resolvedDir = (0, _path.resolve)(options.dir);
const packageConfig = loadClosestPackageJson(resolvedDir);
isEsmProject = packageConfig.type === 'module';
nextConfig = await getConfig(resolvedDir);
const findPagesDirResult = (0, _findpagesdir.findPagesDir)(resolvedDir);
serverComponents = !!findPagesDirResult.appDir;
pagesDir = findPagesDirResult.pagesDir;
setUpEnv(resolvedDir);
// TODO: revisit when bug in SWC is fixed that strips `.css`
const result = await (0, _loadjsconfig.default)(resolvedDir, nextConfig);
jsConfig = result.jsConfig;
resolvedBaseUrl = result.resolvedBaseUrl;
}
// Ensure provided async config is supported
const resolvedJestConfig = (typeof customJestConfig === 'function' ? await customJestConfig() : customJestConfig) ?? {};
// eagerly load swc bindings instead of waiting for transform calls
await (0, _swc.loadBindings)(nextConfig == null ? void 0 : (_nextConfig_experimental = nextConfig.experimental) == null ? void 0 : _nextConfig_experimental.useWasmBinary);
if (_swc.lockfilePatchPromise.cur) {
await _swc.lockfilePatchPromise.cur;
}
const transpiled = ((nextConfig == null ? void 0 : nextConfig.transpilePackages) ?? []).concat(DEFAULT_TRANSPILED_PACKAGES).join('|');
const jestTransformerConfig = {
modularizeImports: nextConfig == null ? void 0 : nextConfig.modularizeImports,
swcPlugins: nextConfig == null ? void 0 : (_nextConfig_experimental1 = nextConfig.experimental) == null ? void 0 : _nextConfig_experimental1.swcPlugins,
compilerOptions: nextConfig == null ? void 0 : nextConfig.compiler,
jsConfig,
resolvedBaseUrl,
serverComponents,
isEsmProject,
pagesDir
};
return {
...resolvedJestConfig,
moduleNameMapper: {
// Handle CSS imports (with CSS modules)
// https://jestjs.io/docs/webpack#mocking-css-modules
'^.+\\.module\\.(css|sass|scss)$': require.resolve('./object-proxy.js'),
// Handle CSS imports (without CSS modules)
'^.+\\.(css|sass|scss)$': require.resolve('./__mocks__/styleMock.js'),
// Handle image imports
'^.+\\.(png|jpg|jpeg|gif|webp|avif|ico|bmp)$': require.resolve(`./__mocks__/fileMock.js`),
// Keep .svg to it's own rule to make overriding easy
'^.+\\.(svg)$': require.resolve(`./__mocks__/fileMock.js`),
// Handle @next/font
'@next/font/(.*)': require.resolve('./__mocks__/nextFontMock.js'),
// Handle next/font
'next/font/(.*)': require.resolve('./__mocks__/nextFontMock.js'),
// Disable server-only
'^server-only$': require.resolve('./__mocks__/empty.js'),
// custom config comes last to ensure the above rules are matched,
// fixes the case where @pages/(.*) -> src/pages/$! doesn't break
// CSS/image mocks
...resolvedJestConfig.moduleNameMapper || {}
},
testPathIgnorePatterns: [
// Don't look for tests in node_modules
'/node_modules/',
// Don't look for tests in the Next.js build output
'/.next/',
// Custom config can append to testPathIgnorePatterns but not modify it
// This is to ensure `.next` and `node_modules` are always excluded
...resolvedJestConfig.testPathIgnorePatterns || []
],
transform: {
// Use SWC to compile tests
'^.+\\.(js|jsx|ts|tsx|mjs)$': [
require.resolve('../swc/jest-transformer'),
jestTransformerConfig
],
// Allow for appending/overriding the default transforms
...resolvedJestConfig.transform || {}
},
transformIgnorePatterns: [
// To match Next.js behavior node_modules is not transformed, only `transpiledPackages`
...transpiled ? [
`/node_modules/(?!.pnpm)(?!(${transpiled})/)`,
`/node_modules/.pnpm/(?!(${transpiled.replace(/\//g, '\\+')})@)`
] : [
'/node_modules/'
],
// CSS modules are mocked so they don't need to be transformed
'^.+\\.module\\.(css|sass|scss)$',
// Custom config can append to transformIgnorePatterns but not modify it
// This is to ensure `node_modules` and .module.css/sass/scss are always excluded
...resolvedJestConfig.transformIgnorePatterns || []
],
watchPathIgnorePatterns: [
// Don't re-run tests when the Next.js build output changes
'/.next/',
...resolvedJestConfig.watchPathIgnorePatterns || []
]
};
};
};
}
if ((typeof exports.default === 'function' || (typeof exports.default === 'object' && exports.default !== null)) && typeof exports.default.__esModule === 'undefined') {
Object.defineProperty(exports.default, '__esModule', { value: true });
Object.assign(exports.default, exports);
module.exports = exports.default;
}
//# sourceMappingURL=jest.js.map