Command Line

The CLI will run the program as a child process with NODE_V8_COVERAGE=dir until it exits gracefully, and generate the coverage report with the coverage data from the dir.

Installation

Installing globally

npm i monocart-coverage-reports -g
mcr node ./test/specs/node.test.js -r v8,console-details --lcov

Locally in your project

npm i monocart-coverage-reports
npx mcr node ./test/specs/node.test.js -r v8,console-details --lcov

CLI Options

See all options with running mcr or mcr --help

Using -- to separate sub CLI args

mcr -c mcr.config.js -- sub-cli -c sub-cli.config.js

Examples

Mocha

mcr mocha ./test/**/*.js

TypeScript

• tsx

cross-env NODE_OPTIONS="--import tsx" npx mcr tsx ./src/example.ts
cross-env NODE_OPTIONS="--import tsx" npx mcr mocha ./test/**/*.ts
# Node.js v18.19.0 +
mcr --import tsx tsx ./src/example.ts
mcr --import tsx mocha ./test/**/*.ts

• ts-node

cross-env NODE_OPTIONS="--loader ts-node/esm --no-warnings" npx mcr ts-node ./src/example.ts
cross-env NODE_OPTIONS="--loader ts-node/esm --no-warnings" npx mcr mocha ./test/**/*.ts

AVA

mcr ava