lcov-to-cobertura

Node.js LCOV to Cobertura XML converter, compatible with the behavior of the Python lcov_cobertura package.

Install

npm install --save-dev @splicemood/lcov-to-cobertura

CLI

lcov-to-cobertura lcov-file.dat
lcov-to-cobertura lcov-file.dat --base-dir src/dir --excludes test.lib --output build/coverage.xml --demangle
lcov_cobertura lcov-file.dat

Options:

• -b, --base-dir source root used to relativize files. Defaults to .
• -e, --excludes package regex to exclude. Can be repeated.
• -o, --output Cobertura XML output path. Defaults to coverage.xml
• -d, --demangle demangle C++ function names with c++filt
• -v, --version print package version

Library

import { LcovCobertura } from "@splicemood/lcov-to-cobertura";

const lcov = "SF:foo/file.ext\nDA:1,1\nDA:2,0\nend_of_record\n";
const converter = new LcovCobertura(lcov);

console.log(converter.convert());

GitLab CI

test:coverage:
  stage: test
  script:
    - npm ci
    - npm test -- --coverage --coverage-reporter=lcov
    - npx @splicemood/lcov-to-cobertura coverage/lcov.info -o coverage/cobertura.xml
  coverage: '/Lines\s*:\s*(\d+.\d+)%/'
  artifacts:
    reports:
      coverage_report:
        coverage_format: cobertura
        path: coverage/cobertura.xml

Compatibility

This package implements the Python lcov_cobertura converter behavior as a small ESM TypeScript CLI. The package exposes both lcov-to-cobertura and lcov_cobertura bins. The test suite uses independent LCOV and Cobertura fixtures with node:test.