Method addPattern

bin/yarn-standalone.js:77010–77017

* TODO description

(pattern, info)

   */

  addPattern(pattern, info) {
    this.patterns[pattern] = info;

    const byName = this.patternsByPackage[info.name] = this.patternsByPackage[info.name] || [];
    if (byName.indexOf(pattern) === -1) {
      byName.push(pattern);
    }
  }

  /**
   * TODO description