commitlint.config.cjs

module.exports = {
  extends: ["@commitlint/config-conventional"],
  rules: {
    // Type must be one of the following
    "type-enum": [
      2,
      "always",
      [
        "feat", // A new feature
        "fix", // A bug fix
        "docs", // Documentation only changes
        "style", // Changes that do not affect the meaning of the code
        "refactor", // A code change that neither fixes a bug nor adds a feature
        "perf", // A code change that improves performance
        "test", // Adding missing tests or correcting existing tests
        "build", // Changes that affect the build system or external dependencies
        "ci", // Changes to CI configuration files and scripts
        "chore", // Other changes that don't modify src or test files
        "revert", // Reverts a previous commit
      ],
    ],
    // Type case: must be lowercase
    "type-case": [2, "always", "lower-case"],
    // Type cannot be empty
    "type-empty": [2, "never"],
    // Scope case: must be lowercase
    "scope-case": [2, "always", "lower-case"],
    // Subject case: sentence-case (first letter lowercase, rest as written)
    "subject-case": [2, "never", ["upper-case", "pascal-case", "start-case"]],
    // Subject cannot be empty
    "subject-empty": [2, "never"],
    // Subject must end with a period
    "subject-full-stop": [0, "never"],
    // Header must not exceed 72 characters (disabled, using max line length instead)
    "header-max-length": [2, "always", 100],
    // Body must start with blank line
    "body-leading-blank": [2, "always"],
    // Footer must start with blank line
    "footer-leading-blank": [2, "always"],
  },
};