169 lines
4.2 KiB
JavaScript
169 lines
4.2 KiB
JavaScript
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'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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