RocketChat/Rocket.Chat

import { exec } from 'child_process';
import os from 'os';
import util from 'util';

import libReport from 'istanbul-lib-report';
import reports from 'istanbul-reports';
import libCoverage from 'istanbul-lib-coverage';

const dir = process.env.COVERAGE_DIR;
const reporter = process.env.COVERAGE_REPORTER || 'lcov';

console.log('Coverage plugin started');

if (!dir && !reporter) {
    return console.log('Coverage plugin not configured');
}

if (!dir || !reporter) {
    console.log('Coverage plugin not fully configured');
    return;
}

process.on('exit', async () => {
    try {
        if (!dir) {
            throw new Error('No coverage dir');
        }

        if (!reporter) {
            throw new Error('No coverage reporter');
        }
        console.log('Coverage plugin triggered');

        const coverageMap = libCoverage.createCoverageMap(globalThis['__coverage__']);

        const configWatermarks = {
            statements: [50, 80],
            functions: [50, 80],
            branches: [50, 80],
            lines: [50, 80],
        };

        const context = libReport.createContext({
            dir,
            coverageMap,
        });

        const report = reports.create(reporter);

        report.execute(context);
    } catch (e) {
        console.log('Error', e);
    }
});