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const { create } = require('istanbul-reports');
const { createCoverageMap } = require('istanbul-lib-coverage');
const { createContext } = require('istanbul-lib-report');
const { resolve } = require('path');
const { sync } = require('glob');
const coverageMap = createCoverageMap();
const coverageDir = resolve(__dirname, '../../coverage-frontend');
const reportFiles = sync(`${coverageDir}/*/coverage-final.json`);
// Normalize coverage report generated by jest that has additional "data" key
// https://github.com/facebook/jest/issues/2418#issuecomment-423806659
const normalizeReport = report => {
const normalizedReport = Object.assign({}, report);
Object.entries(normalizedReport).forEach(([k, v]) => {
if (v.data) normalizedReport[k] = v.data;
});
return normalizedReport;
};
reportFiles
.map(reportFile => require(reportFile))
.map(normalizeReport)
.forEach(report => coverageMap.merge(report));
const context = createContext({ coverageMap: coverageMap, dir: 'coverage-frontend' });
['json', 'lcov', 'text-summary', 'clover'].forEach(reporter => {
create(reporter, {}).execute(context);
});
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