Conventional commit regex test cases

conv-commit-test-cases.js

function testCommit(commit) {
  const conventionalCommit = commit.match(/^([a-z]+)(?:\((.*)\))?(?:(!))?: (.*)$/);

  if (!conventionalCommit) {
    console.log(`No match: ${commit}`);
    return;
  }

  const [, type, scope, breaking, subject] = conventionalCommit;

  console.log(`Type: ${type}`);
  console.log(`Scope: ${scope}`);
  console.log(`Breaking: ${breaking ? "Yes" : "No"}`);
  console.log(`Subject: ${subject}`);
  console.log("---");
}

testCommit("feat(api)!: send an email to the customer when a product is shipped");
testCommit("feat(EIP-4844): change related to an eip");
testCommit("fix(server): handle null exception");
testCommit("docs(readme): update installation guide");
testCommit("chore(deps): update dependencies");
testCommit("refactor(utils): improve code readability");
testCommit("build(ci): add test script to CI pipeline");
testCommit("style(css): fix indentation");
testCommit("test(unit-tests): add more test cases");
testCommit("refactor(reqresp)!: support byte based handlers (#123) (@abc)");
testCommit("not a conventional commit"); // This should not match