52 lines
1.8 KiB
JavaScript
52 lines
1.8 KiB
JavaScript
/**
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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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/**
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* Because we have a build step, sometimes we can test files from both
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* `packages/jest-whatever/build/*` and `packages/jest-whatever/src/*`
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*
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* If we require file by its relative path like:
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* // inside `jest-whatever/src/__tests__/index.js`
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* require('../index.js'); // this will require `jest-whatever/src/index.js`
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*
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* But if we require it by a package name, this will go through node_modules
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* and lerna index.js link. So the actual file will be required from `build/`
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* // inside another packages
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* // this will go through lerna and require `jest-whatever/build/index.js
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* require('jest-whatever')
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*
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* these files are identical (one is preprocessed, another is transformed on
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* the fly), but the coverage paths are different.
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* This script will map coverage results from both locations to one and
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* produce a full coverage report.
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*/
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const istanbulCoverage = require('istanbul-lib-coverage');
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const istanbulReport = require('istanbul-lib-report');
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const istanbulReports = require('istanbul-reports');
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const coverage = require('../coverage/coverage-final.json');
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const map = istanbulCoverage.createCoverageMap();
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const mapFileCoverage = fileCoverage => {
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fileCoverage.path = fileCoverage.path.replace(
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/(.*packages\/.*\/)(build)(\/.*)/,
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'$1src$3',
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);
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return fileCoverage;
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};
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Object.keys(coverage).forEach(filename =>
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map.addFileCoverage(mapFileCoverage(coverage[filename])),
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);
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const context = istanbulReport.createContext({coverageMap: map});
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['json', 'lcov', 'text'].forEach(reporter =>
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istanbulReports.create(reporter, {}).execute(context),
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);
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