apex-code-coverage-transformer/lib/handlers/lcov.js

Transform Salesforce Apex code coverage JSONs into other formats accepted by SonarQube, GitHub, GitLab, Azure, Bitbucket, etc.

'use strict';
export class LcovCoverageHandler {
    coverageObj;
    constructor() {
        this.coverageObj = { files: [] };
    }
    processFile(filePath, fileName, lines) {
        const uncoveredLines = Object.keys(lines)
            .filter((lineNumber) => lines[lineNumber] === 0)
            .map(Number);
        const coveredLines = Object.keys(lines)
            .filter((lineNumber) => lines[lineNumber] === 1)
            .map(Number);
        const lcovFile = {
            sourceFile: filePath,
            lines: [],
            totalLines: uncoveredLines.length + coveredLines.length,
            coveredLines: coveredLines.length,
        };
        for (const [lineNumber, isCovered] of Object.entries(lines)) {
            lcovFile.lines.push({
                lineNumber: Number(lineNumber),
                hitCount: isCovered === 1 ? 1 : 0,
            });
        }
        this.coverageObj.files.push(lcovFile);
    }
    finalize() {
        if ('files' in this.coverageObj && Array.isArray(this.coverageObj.files)) {
            this.coverageObj.files.sort((a, b) => a.sourceFile.localeCompare(b.sourceFile));
        }
        return this.coverageObj;
    }
}
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