angular-cn/tools/validate-commit-message/validate-commit-message.js

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#!/usr/bin/env node
/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
/**
* GIT commit message format enforcement
*
* Note: this script was originally written by Vojta for AngularJS :-)
*/
'use strict';
const fs = require('fs');
const path = require('path');
const configPath = path.resolve(__dirname, './commit-message.json');
const config = JSON.parse(fs.readFileSync(configPath, 'utf8'));
const PATTERN = /^(\w+)(?:\(([^)]+)\))?\: (.+)$/;
const FIXUP_SQUASH = /^(fixup|squash)\! /i;
const REVERT = /^revert: (\"(.*)\"|(.*))?$/i;
module.exports = function(commitSubject) {
commitSubject = commitSubject.replace(FIXUP_SQUASH, '');
commitSubject = commitSubject.replace(REVERT, function(m, g1, g2, g3) { return g2 || g3; });
if (commitSubject.length > config['maxLength']) {
error(`The commit message is longer than ${config['maxLength']} characters`, commitSubject);
return false;
}
const match = PATTERN.exec(commitSubject);
if (!match) {
error(
`The commit message does not match the format of '<type>(<scope>): <subject>' OR 'Revert: "type(<scope>): <subject>"'`,
commitSubject);
return false;
}
const type = match[1];
if (config['types'].indexOf(type) === -1) {
error(
`${type} is not an allowed type.\n => TYPES: ${config['types'].join(', ')}`, commitSubject);
return false;
}
const scope = match[2];
if (scope && !config['scopes'].includes(scope)) {
error(
`"${scope}" is not an allowed scope.\n => SCOPES: ${config['scopes'].join(', ')}`,
commitSubject);
return false;
}
return true;
};
function error(errorMessage, commitMessage) {
console.error(`INVALID COMMIT MSG: "${commitMessage}"\n => ERROR: ${errorMessage}`);
}
module.exports.config = config;