debt-collector/dist/lib/results/getFileCoverage.js

a nodejs tool to identify, track and mesure technical debt

const getSatementOrFunctionCoverage = (coverage, key) => {
    const length = Object.values(coverage[key]).length;
    const nbZeros = Object.values(coverage[key]).filter((value) => value === 0).length;
    return (length - nbZeros) / length;
};
export const getFileCoverage = (coverage) => {
    const statementsCoverage = getSatementOrFunctionCoverage(coverage, 's');
    const functionsCoverage = getSatementOrFunctionCoverage(coverage, 'f');
    const allBranches = Object.values(coverage.b).flat();
    const nbZerosBranches = allBranches.filter((value) => value === 0).length;
    const branchesCoverage = (allBranches.length - nbZerosBranches) / allBranches.length;
    return {
        statements: statementsCoverage,
        branches: branchesCoverage,
        functions: functionsCoverage,
    };
};