mirror of
https://kkgithub.com/actions/setup-python.git
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324 lines
9.0 KiB
JavaScript
324 lines
9.0 KiB
JavaScript
'use strict';
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Object.defineProperty(exports, '__esModule', {
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value: true
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});
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exports.saveInlineSnapshots = void 0;
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var _fs = _interopRequireDefault(require('fs'));
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var _path = _interopRequireDefault(require('path'));
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var _semver = _interopRequireDefault(require('semver'));
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var _types = require('@babel/types');
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var _utils = require('./utils');
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function _interopRequireDefault(obj) {
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return obj && obj.__esModule ? obj : {default: obj};
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}
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var Symbol = global['jest-symbol-do-not-touch'] || global.Symbol;
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var Symbol = global['jest-symbol-do-not-touch'] || global.Symbol;
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var jestWriteFile =
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global[Symbol.for('jest-native-write-file')] || _fs.default.writeFileSync;
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function _objectSpread(target) {
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for (var i = 1; i < arguments.length; i++) {
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var source = arguments[i] != null ? arguments[i] : {};
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var ownKeys = Object.keys(source);
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if (typeof Object.getOwnPropertySymbols === 'function') {
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ownKeys = ownKeys.concat(
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Object.getOwnPropertySymbols(source).filter(function(sym) {
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return Object.getOwnPropertyDescriptor(source, sym).enumerable;
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})
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);
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}
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ownKeys.forEach(function(key) {
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_defineProperty(target, key, source[key]);
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});
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}
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return target;
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}
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function _defineProperty(obj, key, value) {
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if (key in obj) {
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Object.defineProperty(obj, key, {
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value: value,
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enumerable: true,
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configurable: true,
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writable: true
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});
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} else {
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obj[key] = value;
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}
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return obj;
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}
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var Symbol = global['jest-symbol-do-not-touch'] || global.Symbol;
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var jestReadFile =
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global[Symbol.for('jest-native-read-file')] || _fs.default.readFileSync;
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const saveInlineSnapshots = (snapshots, prettier, babelTraverse) => {
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if (!prettier) {
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throw new Error(
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`Jest: Inline Snapshots requires Prettier.\n` +
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`Please ensure "prettier" is installed in your project.`
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);
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} // Custom parser API was added in 1.5.0
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if (_semver.default.lt(prettier.version, '1.5.0')) {
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throw new Error(
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`Jest: Inline Snapshots require prettier>=1.5.0.\n` +
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`Please upgrade "prettier".`
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);
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}
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const snapshotsByFile = groupSnapshotsByFile(snapshots);
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var _arr = Object.keys(snapshotsByFile);
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for (var _i = 0; _i < _arr.length; _i++) {
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const sourceFilePath = _arr[_i];
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saveSnapshotsForFile(
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snapshotsByFile[sourceFilePath],
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sourceFilePath,
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prettier,
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babelTraverse
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);
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}
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};
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exports.saveInlineSnapshots = saveInlineSnapshots;
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const saveSnapshotsForFile = (
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snapshots,
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sourceFilePath,
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prettier,
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babelTraverse
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) => {
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const sourceFile = jestReadFile(sourceFilePath, 'utf8'); // Resolve project configuration.
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// For older versions of Prettier, do not load configuration.
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const config = prettier.resolveConfig
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? prettier.resolveConfig.sync(sourceFilePath, {
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editorconfig: true
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})
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: null; // Detect the parser for the test file.
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// For older versions of Prettier, fallback to a simple parser detection.
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const inferredParser = prettier.getFileInfo
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? prettier.getFileInfo.sync(sourceFilePath).inferredParser
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: (config && config.parser) || simpleDetectParser(sourceFilePath); // Insert snapshots using the custom parser API. After insertion, the code is
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// formatted, except snapshot indentation. Snapshots cannot be formatted until
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// after the initial format because we don't know where the call expression
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// will be placed (specifically its indentation).
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const newSourceFile = prettier.format(
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sourceFile,
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_objectSpread({}, config, {
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filepath: sourceFilePath,
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parser: createInsertionParser(snapshots, inferredParser, babelTraverse)
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})
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); // Format the snapshots using the custom parser API.
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const formattedNewSourceFile = prettier.format(
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newSourceFile,
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_objectSpread({}, config, {
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filepath: sourceFilePath,
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parser: createFormattingParser(inferredParser, babelTraverse)
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})
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);
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if (formattedNewSourceFile !== sourceFile) {
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jestWriteFile(sourceFilePath, formattedNewSourceFile);
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}
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};
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const groupSnapshotsBy = createKey => snapshots =>
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snapshots.reduce((object, inlineSnapshot) => {
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const key = createKey(inlineSnapshot);
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return _objectSpread({}, object, {
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[key]: (object[key] || []).concat(inlineSnapshot)
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});
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}, {});
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const groupSnapshotsByFrame = groupSnapshotsBy(({frame: {line, column}}) =>
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typeof line === 'number' && typeof column === 'number'
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? `${line}:${column - 1}`
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: ''
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);
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const groupSnapshotsByFile = groupSnapshotsBy(({frame: {file}}) => file);
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const indent = (snapshot, numIndents, indentation) => {
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const lines = snapshot.split('\n');
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return lines
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.map((line, index) => {
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if (index === 0) {
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// First line is either a 1-line snapshot or a blank line.
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return line;
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} else if (index !== lines.length - 1) {
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// Do not indent empty lines.
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if (line === '') {
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return line;
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} // Not last line, indent one level deeper than expect call.
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return indentation.repeat(numIndents + 1) + line;
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} else {
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// The last line should be placed on the same level as the expect call.
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return indentation.repeat(numIndents) + line;
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}
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})
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.join('\n');
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};
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const getAst = (parsers, inferredParser, text) => {
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// Flow uses a 'Program' parent node, babel expects a 'File'.
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let ast = parsers[inferredParser](text);
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if (ast.type !== 'File') {
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ast = (0, _types.file)(ast, ast.comments, ast.tokens);
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delete ast.program.comments;
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}
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return ast;
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}; // This parser inserts snapshots into the AST.
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const createInsertionParser = (snapshots, inferredParser, babelTraverse) => (
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text,
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parsers,
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options
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) => {
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// Workaround for https://github.com/prettier/prettier/issues/3150
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options.parser = inferredParser;
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const groupedSnapshots = groupSnapshotsByFrame(snapshots);
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const remainingSnapshots = new Set(snapshots.map(({snapshot}) => snapshot));
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const ast = getAst(parsers, inferredParser, text);
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babelTraverse(ast, {
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CallExpression({node: {arguments: args, callee}}) {
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if (
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callee.type !== 'MemberExpression' ||
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callee.property.type !== 'Identifier'
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) {
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return;
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}
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const _callee$property$loc$ = callee.property.loc.start,
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line = _callee$property$loc$.line,
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column = _callee$property$loc$.column;
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const snapshotsForFrame = groupedSnapshots[`${line}:${column}`];
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if (!snapshotsForFrame) {
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return;
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}
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if (snapshotsForFrame.length > 1) {
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throw new Error(
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'Jest: Multiple inline snapshots for the same call are not supported.'
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);
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}
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const snapshotIndex = args.findIndex(
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({type}) => type === 'TemplateLiteral'
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);
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const values = snapshotsForFrame.map(({snapshot}) => {
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remainingSnapshots.delete(snapshot);
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return (0, _types.templateLiteral)(
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[
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(0, _types.templateElement)({
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raw: (0, _utils.escapeBacktickString)(snapshot)
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})
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],
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[]
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);
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});
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const replacementNode = values[0];
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if (snapshotIndex > -1) {
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args[snapshotIndex] = replacementNode;
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} else {
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args.push(replacementNode);
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}
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}
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});
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if (remainingSnapshots.size) {
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throw new Error(`Jest: Couldn't locate all inline snapshots.`);
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}
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return ast;
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}; // This parser formats snapshots to the correct indentation.
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const createFormattingParser = (inferredParser, babelTraverse) => (
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text,
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parsers,
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options
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) => {
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// Workaround for https://github.com/prettier/prettier/issues/3150
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options.parser = inferredParser;
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const ast = getAst(parsers, inferredParser, text);
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babelTraverse(ast, {
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CallExpression({node: {arguments: args, callee}}) {
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if (
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callee.type !== 'MemberExpression' ||
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callee.property.type !== 'Identifier' ||
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callee.property.name !== 'toMatchInlineSnapshot' ||
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!callee.loc ||
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callee.computed
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) {
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return;
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}
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let snapshotIndex;
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let snapshot;
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for (let i = 0; i < args.length; i++) {
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const node = args[i];
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if (node.type === 'TemplateLiteral') {
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snapshotIndex = i;
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snapshot = node.quasis[0].value.raw;
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}
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}
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if (snapshot === undefined || snapshotIndex === undefined) {
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return;
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}
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const useSpaces = !options.useTabs;
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snapshot = indent(
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snapshot,
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Math.ceil(
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useSpaces
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? callee.loc.start.column / options.tabWidth
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: callee.loc.start.column / 2 // Each tab is 2 characters.
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),
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useSpaces ? ' '.repeat(options.tabWidth) : '\t'
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);
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const replacementNode = (0, _types.templateLiteral)(
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[
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(0, _types.templateElement)({
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raw: snapshot
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})
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],
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[]
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);
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args[snapshotIndex] = replacementNode;
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}
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});
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return ast;
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};
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const simpleDetectParser = filePath => {
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const extname = _path.default.extname(filePath);
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if (/tsx?$/.test(extname)) {
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return 'typescript';
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}
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return 'babylon';
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};
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