next
Version:
The React Framework
172 lines (170 loc) • 7.41 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = nextJest;
var _env = require("@next/env");
var _path = require("path");
var _config = _interopRequireDefault(require("../../server/config"));
var _constants = require("../../shared/lib/constants");
var _loadJsconfig = _interopRequireDefault(require("../load-jsconfig"));
var Log = _interopRequireWildcard(require("../output/log"));
var _findPagesDir = require("../../lib/find-pages-dir");
var _swc = require("../swc");
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 ()=>{
let nextConfig;
let jsConfig;
let resolvedBaseUrl;
let isEsmProject = false;
let pagesDir;
if (options.dir) {
const resolvedDir = (0, _path).resolve(options.dir);
pagesDir = (0, _findPagesDir).findPagesDir(resolvedDir).pages;
const packageConfig = loadClosestPackageJson(resolvedDir);
isEsmProject = packageConfig.type === "module";
nextConfig = await getConfig(resolvedDir);
(0, _env).loadEnvConfig(resolvedDir, false, Log);
// 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;
}
var ref;
// Ensure provided async config is supported
const resolvedJestConfig = (ref = typeof customJestConfig === "function" ? await customJestConfig() : customJestConfig) != null ? ref : {};
// eagerly load swc bindings instead of waiting for transform calls
await (0, _swc).loadBindings();
if (_swc.lockfilePatchPromise.cur) {
await _swc.lockfilePatchPromise.cur;
}
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`),
// 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"),
{
nextConfig,
jsConfig,
resolvedBaseUrl,
isEsmProject,
pagesDir
},
],
// Allow for appending/overriding the default transforms
...resolvedJestConfig.transform || {}
},
transformIgnorePatterns: [
// To match Next.js behavior node_modules is not transformed
"/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 || [],
]
};
};
};
}
function _interopRequireDefault(obj) {
return obj && obj.__esModule ? obj : {
default: obj
};
}
function _getRequireWildcardCache() {
if (typeof WeakMap !== "function") return null;
var cache = new WeakMap();
_getRequireWildcardCache = function() {
return cache;
};
return cache;
}
function _interopRequireWildcard(obj) {
if (obj && obj.__esModule) {
return obj;
}
if (obj === null || typeof obj !== "object" && typeof obj !== "function") {
return {
default: obj
};
}
var cache = _getRequireWildcardCache();
if (cache && cache.has(obj)) {
return cache.get(obj);
}
var newObj = {};
var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor;
for(var key in obj){
if (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;
}
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 new Error("Can't resolve main package.json file");
}
var mainPath = attempts === 1 ? "./" : Array(attempts).join("../");
try {
return require((0, _path).join(dir, mainPath + "package.json"));
} catch (e) {
return loadClosestPackageJson(dir, attempts + 1);
}
}
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;
}
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