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168 lines
4.2 KiB
168 lines
4.2 KiB
'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.default = generateEmptyCoverage; |
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function fs() { |
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const data = _interopRequireWildcard(require('graceful-fs')); |
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fs = function () { |
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return data; |
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}; |
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return data; |
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} |
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function _istanbulLibCoverage() { |
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const data = require('istanbul-lib-coverage'); |
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_istanbulLibCoverage = function () { |
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return data; |
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}; |
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return data; |
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} |
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function _istanbulLibInstrument() { |
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const data = require('istanbul-lib-instrument'); |
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_istanbulLibInstrument = function () { |
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return data; |
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}; |
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return data; |
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} |
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function _transform() { |
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const data = require('@jest/transform'); |
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_transform = function () { |
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return data; |
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}; |
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return data; |
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} |
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function _getRequireWildcardCache(nodeInterop) { |
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if (typeof WeakMap !== 'function') return null; |
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var cacheBabelInterop = new WeakMap(); |
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var cacheNodeInterop = new WeakMap(); |
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return (_getRequireWildcardCache = function (nodeInterop) { |
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return nodeInterop ? cacheNodeInterop : cacheBabelInterop; |
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})(nodeInterop); |
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} |
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function _interopRequireWildcard(obj, nodeInterop) { |
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if (!nodeInterop && obj && obj.__esModule) { |
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return obj; |
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} |
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if (obj === null || (typeof obj !== 'object' && typeof obj !== 'function')) { |
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return {default: obj}; |
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} |
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var cache = _getRequireWildcardCache(nodeInterop); |
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if (cache && cache.has(obj)) { |
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return cache.get(obj); |
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} |
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var newObj = {}; |
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var hasPropertyDescriptor = |
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Object.defineProperty && Object.getOwnPropertyDescriptor; |
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for (var key in obj) { |
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if (key !== 'default' && Object.prototype.hasOwnProperty.call(obj, key)) { |
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var desc = hasPropertyDescriptor |
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? Object.getOwnPropertyDescriptor(obj, key) |
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: null; |
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if (desc && (desc.get || desc.set)) { |
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Object.defineProperty(newObj, key, desc); |
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} else { |
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newObj[key] = obj[key]; |
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} |
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} |
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} |
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newObj.default = obj; |
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if (cache) { |
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cache.set(obj, newObj); |
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} |
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return newObj; |
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} |
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/** |
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* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved. |
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* |
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* This source code is licensed under the MIT license found in the |
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* LICENSE file in the root directory of this source tree. |
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*/ |
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async function generateEmptyCoverage( |
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source, |
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filename, |
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globalConfig, |
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config, |
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changedFiles, |
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sourcesRelatedToTestsInChangedFiles |
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) { |
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const coverageOptions = { |
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changedFiles, |
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collectCoverage: globalConfig.collectCoverage, |
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collectCoverageFrom: globalConfig.collectCoverageFrom, |
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collectCoverageOnlyFrom: globalConfig.collectCoverageOnlyFrom, |
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coverageProvider: globalConfig.coverageProvider, |
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sourcesRelatedToTestsInChangedFiles |
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}; |
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let coverageWorkerResult = null; |
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if ((0, _transform().shouldInstrument)(filename, coverageOptions, config)) { |
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if (coverageOptions.coverageProvider === 'v8') { |
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const stat = fs().statSync(filename); |
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return { |
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kind: 'V8Coverage', |
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result: { |
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functions: [ |
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{ |
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functionName: '(empty-report)', |
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isBlockCoverage: true, |
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ranges: [ |
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{ |
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count: 0, |
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endOffset: stat.size, |
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startOffset: 0 |
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} |
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] |
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} |
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], |
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scriptId: '0', |
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url: filename |
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} |
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}; |
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} |
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const scriptTransformer = await (0, _transform().createScriptTransformer)( |
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config |
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); // Transform file with instrumentation to make sure initial coverage data is well mapped to original code. |
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const {code} = await scriptTransformer.transformSourceAsync( |
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filename, |
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source, |
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{ |
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instrument: true, |
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supportsDynamicImport: true, |
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supportsExportNamespaceFrom: true, |
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supportsStaticESM: true, |
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supportsTopLevelAwait: true |
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} |
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); // TODO: consider passing AST |
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const extracted = (0, _istanbulLibInstrument().readInitialCoverage)(code); // Check extracted initial coverage is not null, this can happen when using /* istanbul ignore file */ |
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if (extracted) { |
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coverageWorkerResult = { |
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coverage: (0, _istanbulLibCoverage().createFileCoverage)( |
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extracted.coverageData |
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), |
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kind: 'BabelCoverage' |
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}; |
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} |
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} |
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return coverageWorkerResult; |
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}
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