76 lines
2.0 KiB
JavaScript
76 lines
2.0 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.default = _default;
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function _istanbulLibInstrument() {
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const data = require('istanbul-lib-instrument');
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_istanbulLibInstrument = function _istanbulLibInstrument() {
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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 _istanbulLibCoverage() {
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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 _transform() {
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return data;
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};
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return data;
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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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function _default(source, filename, globalConfig, config, changedFiles) {
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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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};
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let coverageWorkerResult = null;
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if ((0, _transform().shouldInstrument)(filename, coverageOptions, 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 _transformSource = new (_transform()).ScriptTransformer(
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config
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).transformSource(filename, source, true),
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code = _transformSource.code,
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mapCoverage = _transformSource.mapCoverage,
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sourceMapPath = _transformSource.sourceMapPath;
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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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sourceMapPath: mapCoverage ? sourceMapPath : null
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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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