gitgraph-minigram/src/grammar-support/tag-list.js

Provides grammar and parser for git commands (made with pegjs), and API invoker for gitgraph.

class TagList {
  constructor() {
    /**
     * @type {Set<string>}
     * @private
     */
    this._tags = new Set();
  }

  /**
   * @param {string} tag
   * @throws {Error}
   */
  add(tag) {
    if (this._tags.has(tag)) {
      throw new Error('Tag already exists: ' + tag);
    }

    this._tags.add(tag);
  }

  /**
   * @return {string[]}
   */
  getTagNames() {
    const result = [];

    this._tags.forEach((tag) => {
      result.push(tag);
    });

    result.sort();

    return result;
  }
}

module.exports = TagList;