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- 'use strict';
- Object.defineProperty(exports, '__esModule', {
- value: true
- });
- exports.testNameToKey =
- exports.serialize =
- exports.saveSnapshotFile =
- exports.removeLinesBeforeExternalMatcherTrap =
- exports.removeExtraLineBreaks =
- exports.minify =
- exports.keyToTestName =
- exports.getSnapshotData =
- exports.escapeBacktickString =
- exports.ensureDirectoryExists =
- exports.deserializeString =
- exports.deepMerge =
- exports.addExtraLineBreaks =
- exports.SNAPSHOT_VERSION_WARNING =
- exports.SNAPSHOT_VERSION =
- exports.SNAPSHOT_GUIDE_LINK =
- void 0;
- var path = _interopRequireWildcard(require('path'));
- var _chalk = _interopRequireDefault(require('chalk'));
- var fs = _interopRequireWildcard(require('graceful-fs'));
- var _naturalCompare = _interopRequireDefault(require('natural-compare'));
- var _prettyFormat = require('pretty-format');
- var _plugins = require('./plugins');
- function _interopRequireDefault(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 _interopRequireWildcard(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 = {};
- 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;
- }
- var global = (function () {
- if (typeof globalThis !== 'undefined') {
- return globalThis;
- } else if (typeof global !== 'undefined') {
- return global;
- } else if (typeof self !== 'undefined') {
- return self;
- } else if (typeof window !== 'undefined') {
- return window;
- } else {
- return Function('return this')();
- }
- })();
- var Symbol = global['jest-symbol-do-not-touch'] || global.Symbol;
- var global = (function () {
- if (typeof globalThis !== 'undefined') {
- return globalThis;
- } else if (typeof global !== 'undefined') {
- return global;
- } else if (typeof self !== 'undefined') {
- return self;
- } else if (typeof window !== 'undefined') {
- return window;
- } else {
- return Function('return this')();
- }
- })();
- var Symbol = global['jest-symbol-do-not-touch'] || global.Symbol;
- var global = (function () {
- if (typeof globalThis !== 'undefined') {
- return globalThis;
- } else if (typeof global !== 'undefined') {
- return global;
- } else if (typeof self !== 'undefined') {
- return self;
- } else if (typeof window !== 'undefined') {
- return window;
- } else {
- return Function('return this')();
- }
- })();
- var jestWriteFile =
- global[Symbol.for('jest-native-write-file')] || fs.writeFileSync;
- var global = (function () {
- if (typeof globalThis !== 'undefined') {
- return globalThis;
- } else if (typeof global !== 'undefined') {
- return global;
- } else if (typeof self !== 'undefined') {
- return self;
- } else if (typeof window !== 'undefined') {
- return window;
- } else {
- return Function('return this')();
- }
- })();
- var Symbol = global['jest-symbol-do-not-touch'] || global.Symbol;
- var global = (function () {
- if (typeof globalThis !== 'undefined') {
- return globalThis;
- } else if (typeof global !== 'undefined') {
- return global;
- } else if (typeof self !== 'undefined') {
- return self;
- } else if (typeof window !== 'undefined') {
- return window;
- } else {
- return Function('return this')();
- }
- })();
- var jestReadFile =
- global[Symbol.for('jest-native-read-file')] || fs.readFileSync;
- var global = (function () {
- if (typeof globalThis !== 'undefined') {
- return globalThis;
- } else if (typeof global !== 'undefined') {
- return global;
- } else if (typeof self !== 'undefined') {
- return self;
- } else if (typeof window !== 'undefined') {
- return window;
- } else {
- return Function('return this')();
- }
- })();
- var Symbol = global['jest-symbol-do-not-touch'] || global.Symbol;
- var global = (function () {
- if (typeof globalThis !== 'undefined') {
- return globalThis;
- } else if (typeof global !== 'undefined') {
- return global;
- } else if (typeof self !== 'undefined') {
- return self;
- } else if (typeof window !== 'undefined') {
- return window;
- } else {
- return Function('return this')();
- }
- })();
- var jestExistsFile =
- global[Symbol.for('jest-native-exists-file')] || fs.existsSync;
- const SNAPSHOT_VERSION = '1';
- exports.SNAPSHOT_VERSION = SNAPSHOT_VERSION;
- const SNAPSHOT_VERSION_REGEXP = /^\/\/ Jest Snapshot v(.+),/;
- const SNAPSHOT_GUIDE_LINK = 'https://goo.gl/fbAQLP';
- exports.SNAPSHOT_GUIDE_LINK = SNAPSHOT_GUIDE_LINK;
- const SNAPSHOT_VERSION_WARNING = _chalk.default.yellow(
- `${_chalk.default.bold('Warning')}: Before you upgrade snapshots, ` +
- 'we recommend that you revert any local changes to tests or other code, ' +
- 'to ensure that you do not store invalid state.'
- );
- exports.SNAPSHOT_VERSION_WARNING = SNAPSHOT_VERSION_WARNING;
- const writeSnapshotVersion = () =>
- `// Jest Snapshot v${SNAPSHOT_VERSION}, ${SNAPSHOT_GUIDE_LINK}`;
- const validateSnapshotVersion = snapshotContents => {
- const versionTest = SNAPSHOT_VERSION_REGEXP.exec(snapshotContents);
- const version = versionTest && versionTest[1];
- if (!version) {
- return new Error(
- _chalk.default.red(
- `${_chalk.default.bold(
- 'Outdated snapshot'
- )}: No snapshot header found. ` +
- 'Jest 19 introduced versioned snapshots to ensure all developers ' +
- 'on a project are using the same version of Jest. ' +
- 'Please update all snapshots during this upgrade of Jest.\n\n'
- ) + SNAPSHOT_VERSION_WARNING
- );
- }
- if (version < SNAPSHOT_VERSION) {
- return new Error(
- _chalk.default.red(
- `${_chalk.default.red.bold(
- 'Outdated snapshot'
- )}: The version of the snapshot ` +
- 'file associated with this test is outdated. The snapshot file ' +
- 'version ensures that all developers on a project are using ' +
- 'the same version of Jest. ' +
- 'Please update all snapshots during this upgrade of Jest.\n\n'
- ) +
- `Expected: v${SNAPSHOT_VERSION}\n` +
- `Received: v${version}\n\n` +
- SNAPSHOT_VERSION_WARNING
- );
- }
- if (version > SNAPSHOT_VERSION) {
- return new Error(
- _chalk.default.red(
- `${_chalk.default.red.bold(
- 'Outdated Jest version'
- )}: The version of this ` +
- 'snapshot file indicates that this project is meant to be used ' +
- 'with a newer version of Jest. The snapshot file version ensures ' +
- 'that all developers on a project are using the same version of ' +
- 'Jest. Please update your version of Jest and re-run the tests.\n\n'
- ) +
- `Expected: v${SNAPSHOT_VERSION}\n` +
- `Received: v${version}`
- );
- }
- return null;
- };
- function isObject(item) {
- return item != null && typeof item === 'object' && !Array.isArray(item);
- }
- const testNameToKey = (testName, count) => testName + ' ' + count;
- exports.testNameToKey = testNameToKey;
- const keyToTestName = key => {
- if (!/ \d+$/.test(key)) {
- throw new Error('Snapshot keys must end with a number.');
- }
- return key.replace(/ \d+$/, '');
- };
- exports.keyToTestName = keyToTestName;
- const getSnapshotData = (snapshotPath, update) => {
- const data = Object.create(null);
- let snapshotContents = '';
- let dirty = false;
- if (jestExistsFile(snapshotPath)) {
- try {
- snapshotContents = jestReadFile(snapshotPath, 'utf8'); // eslint-disable-next-line no-new-func
- const populate = new Function('exports', snapshotContents);
- populate(data);
- } catch {}
- }
- const validationResult = validateSnapshotVersion(snapshotContents);
- const isInvalid = snapshotContents && validationResult;
- if (update === 'none' && isInvalid) {
- throw validationResult;
- }
- if ((update === 'all' || update === 'new') && isInvalid) {
- dirty = true;
- }
- return {
- data,
- dirty
- };
- }; // Add extra line breaks at beginning and end of multiline snapshot
- // to make the content easier to read.
- exports.getSnapshotData = getSnapshotData;
- const addExtraLineBreaks = string =>
- string.includes('\n') ? `\n${string}\n` : string; // Remove extra line breaks at beginning and end of multiline snapshot.
- // Instead of trim, which can remove additional newlines or spaces
- // at beginning or end of the content from a custom serializer.
- exports.addExtraLineBreaks = addExtraLineBreaks;
- const removeExtraLineBreaks = string =>
- string.length > 2 && string.startsWith('\n') && string.endsWith('\n')
- ? string.slice(1, -1)
- : string;
- exports.removeExtraLineBreaks = removeExtraLineBreaks;
- const removeLinesBeforeExternalMatcherTrap = stack => {
- const lines = stack.split('\n');
- for (let i = 0; i < lines.length; i += 1) {
- // It's a function name specified in `packages/expect/src/index.ts`
- // for external custom matchers.
- if (lines[i].includes('__EXTERNAL_MATCHER_TRAP__')) {
- return lines.slice(i + 1).join('\n');
- }
- }
- return stack;
- };
- exports.removeLinesBeforeExternalMatcherTrap =
- removeLinesBeforeExternalMatcherTrap;
- const escapeRegex = true;
- const printFunctionName = false;
- const serialize = (val, indent = 2, formatOverrides = {}) =>
- normalizeNewlines(
- (0, _prettyFormat.format)(val, {
- escapeRegex,
- indent,
- plugins: (0, _plugins.getSerializers)(),
- printFunctionName,
- ...formatOverrides
- })
- );
- exports.serialize = serialize;
- const minify = val =>
- (0, _prettyFormat.format)(val, {
- escapeRegex,
- min: true,
- plugins: (0, _plugins.getSerializers)(),
- printFunctionName
- }); // Remove double quote marks and unescape double quotes and backslashes.
- exports.minify = minify;
- const deserializeString = stringified =>
- stringified.slice(1, -1).replace(/\\("|\\)/g, '$1');
- exports.deserializeString = deserializeString;
- const escapeBacktickString = str => str.replace(/`|\\|\${/g, '\\$&');
- exports.escapeBacktickString = escapeBacktickString;
- const printBacktickString = str => '`' + escapeBacktickString(str) + '`';
- const ensureDirectoryExists = filePath => {
- try {
- fs.mkdirSync(path.join(path.dirname(filePath)), {
- recursive: true
- });
- } catch {}
- };
- exports.ensureDirectoryExists = ensureDirectoryExists;
- const normalizeNewlines = string => string.replace(/\r\n|\r/g, '\n');
- const saveSnapshotFile = (snapshotData, snapshotPath) => {
- const snapshots = Object.keys(snapshotData)
- .sort(_naturalCompare.default)
- .map(
- key =>
- 'exports[' +
- printBacktickString(key) +
- '] = ' +
- printBacktickString(normalizeNewlines(snapshotData[key])) +
- ';'
- );
- ensureDirectoryExists(snapshotPath);
- jestWriteFile(
- snapshotPath,
- writeSnapshotVersion() + '\n\n' + snapshots.join('\n\n') + '\n'
- );
- };
- exports.saveSnapshotFile = saveSnapshotFile;
- const deepMergeArray = (target, source) => {
- const mergedOutput = Array.from(target);
- source.forEach((sourceElement, index) => {
- const targetElement = mergedOutput[index];
- if (Array.isArray(target[index])) {
- mergedOutput[index] = deepMergeArray(target[index], sourceElement);
- } else if (isObject(targetElement)) {
- mergedOutput[index] = deepMerge(target[index], sourceElement);
- } else {
- // Source does not exist in target or target is primitive and cannot be deep merged
- mergedOutput[index] = sourceElement;
- }
- });
- return mergedOutput;
- }; // eslint-disable-next-line @typescript-eslint/explicit-module-boundary-types
- const deepMerge = (target, source) => {
- if (isObject(target) && isObject(source)) {
- const mergedOutput = {...target};
- Object.keys(source).forEach(key => {
- if (isObject(source[key]) && !source[key].$$typeof) {
- if (!(key in target))
- Object.assign(mergedOutput, {
- [key]: source[key]
- });
- else mergedOutput[key] = deepMerge(target[key], source[key]);
- } else if (Array.isArray(source[key])) {
- mergedOutput[key] = deepMergeArray(target[key], source[key]);
- } else {
- Object.assign(mergedOutput, {
- [key]: source[key]
- });
- }
- });
- return mergedOutput;
- } else if (Array.isArray(target) && Array.isArray(source)) {
- return deepMergeArray(target, source);
- }
- return target;
- };
- exports.deepMerge = deepMerge;
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