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