tribune/lib/tag-array.js

Holy advocate to the Roman Senate, your Tribune will ensure the Consuls have your interests in mind.

class TagArray extends Array {

  set(key, val) {
    const escKey = key.replace(/([$:])/g, '\\$1');
    const escVal = val.replace(/([$:])/g, '\\$1');
    const index = this.findIndex((tag) =>
      tag[0] === '$' && tag.slice(1, escKey.length + 1) === escKey);
    if (index > -1) { this.splice(index, 1); }
    this.push(encodeURIComponent(`$${escKey}:${escVal}`));
    return val;
  }

  get(key) {
    const escKey = key.replace(/([$:])/g, '\\$1');
    const tag = this
      .map(tag => decodeURIComponent(tag))
      .find((tag) =>
      tag[0] === '$' && tag.slice(1, escKey.length + 1) === escKey);
    if (!tag) { return; }
    return tag.slice(escKey.length + 2).replace(/\\([$:])/g, '$1');
  }
}


module.exports = TagArray;