microsoft/monaco-editorNew scan
93/ 100 · A

A top-tier open source project. Docs, tests, and CI are all in excellent shape.

A browser based code editor

JavaScript46,187 starsMITupdated 3d ago
DocumentationREADME, setup, examples, license
96
EngineeringTests, CI, linting, lockfiles
91
Project healthDescription, activity, stars, deps
94

What to fix first

The highest-impact improvements for this repo.

  1. 1
    CI/CD
    EngineeringInfo

    Add a lint step (e.g. `npm run lint`, `ruff check .`, `cargo clippy`) to catch style issues automatically.

  2. 2
    CI/CD
    EngineeringInfo

    Add `tsc --noEmit`, `mypy`, or `cargo check` to catch type errors before they merge.

  3. 3
    CI/CD
    EngineeringInfo

    Upload coverage to Codecov, Coveralls, or report it with `--coverage` flags.

Detailed breakdown

Documentation

96
  • README100
    • README is present.
    • README is well structured with multiple sections.
    • README includes screenshots or visuals. Great for first impressions.
    • README has code examples.
    • README links to a live demo or deployed app.
    • README includes status badges.
  • Install and run instructions90
    • README documents how to install the project.
    • README documents how to run the project.
    • If your project uses environment variables, add a .env.example listing them (+10 pts).Add a .env.example listing all required environment variables so contributors know what to set up.
  • License100
    • Licensed under MIT.
  • Contributing guide90
    • Contributing guide is detailed and thorough.
    • Contributing guide includes setup/install instructions.
    • Contributing guide lacks a code style section (−8 pts).Describe your linting/formatting rules and how to run them (e.g. npm run lint, ruff check .).
    • Contributing guide explains how to run tests.
    • Contributing guide describes the PR/review workflow.
    • Contributing guide includes code examples.
    • Optional: add a Code of Conduct (+5 pts).A CODE_OF_CONDUCT.md signals that your project is welcoming. GitHub has a template you can add in one click.

Engineering

91
  • Tests100
    • Test files detected (.mocharc.json).
  • CI/CD85

    Not applicable?

    • CI is configured (.github/workflows/ci.yml).
    • CI workflow runs tests.
    • CI runs on pull requests, not just on pushes to main.
    • CI does not appear to run a linter (−15 pts).Add a lint step (e.g. `npm run lint`, `ruff check .`, `cargo clippy`) to catch style issues automatically.
    • Optional: add type checking to CI.Add `tsc --noEmit`, `mypy`, or `cargo check` to catch type errors before they merge.
    • Optional: report test coverage in CI.Upload coverage to Codecov, Coveralls, or report it with `--coverage` flags.
    • CI caches dependencies for faster runs.
    • CI includes a build step.
  • Linting and formatting75
    • Linter or formatter configured (.prettierrc).
    • Lint script wired into package.json.
  • Reproducibility80
    • Lockfile present (package-lock.json). Installs are reproducible.
    • Environment pinned via src/languages/definitions/dockerfile.
    • No Dependabot config (adding it earns up to +20 pts).Add .github/dependabot.yml with at least one package-ecosystem entry so dependencies are updated automatically.
  • Issue and PR templates100
    • Issue or PR templates present.
    • Security policy present.

Project health

94
  • Dependency manifest92
    • Dependency manifest found (package.json).
    • package.json has a description field.
    • package.json links back to the repository.
    • package.json has no keywords (−8 pts).Add a `keywords` array to help people find your package on npm.
  • Repository metadata85
    • Repository has a description.
    • Primary language detected: JavaScript.
  • Activity100
    • Actively maintained (pushed within the last month).
    • 46,187 stars.
  • Housekeeping100
    • .gitignore present.
Repository files32 root entries
  • .azure-pipelines
  • .devcontainer
  • .github
    Good: CI is configured (.github/workflows/ci.yml).
    Good: Issue or PR templates present.
  • .husky
  • .vscode
  • build
  • docs
  • monaco-lsp-client
  • samples
  • scripts
  • src
    Good: Environment pinned via src/languages/definitions/dockerfile.
  • test
  • test-results
  • webpack-plugin
  • website
  • .gitattributes
  • .gitignore
    Good: .gitignore present.
  • .mocharc.json
    Good: Test files detected (.mocharc.json).
  • .nvmrc
  • .prettierignore
  • .prettierrc
    Good: Linter or formatter configured (.prettierrc).
  • CHANGELOG.md
    Good: Contributing guide is detailed and thorough.
    Good: Contributing guide includes setup/install instructions.
    Info: Contributing guide lacks a code style section (−8 pts).Fix: Describe your linting/formatting rules and how to run them (e.g. npm run lint, ruff check .).
    Good: Contributing guide explains how to run tests.
    Good: Contributing guide describes the PR/review workflow.
    Good: Contributing guide includes code examples.
  • CONTRIBUTING.md
  • editor.code-workspace
  • gulpfile.js
  • LICENSE.txt
    Good: Licensed under MIT.
  • MAINTAINING.md
  • package-lock.json
    Good: Lockfile present (package-lock.json). Installs are reproducible.
  • package.json
    Good: Dependency manifest found (package.json).
  • README.md
    Good: README is present.
    Good: README is well structured with multiple sections.
    Good: README includes screenshots or visuals. Great for first impressions.
    Good: README has code examples.
    Good: README links to a live demo or deployed app.
    Good: README includes status badges.
    Good: README documents how to install the project.
    Good: README documents how to run the project.
  • SECURITY.md
    Good: Security policy present.
  • ThirdPartyNotices.txt