Method attributeChangedCallback

src/map-style.js:15–25

(name, oldValue, newValue)

    this.setAttribute('media', val);
  }
  async attributeChangedCallback(name, oldValue, newValue) {
    if (this.#hasConnected /* jshint ignore:line */) {
      switch (name) {
        case 'media':
          if (oldValue !== newValue) {
            await this._registerMediaQuery(newValue);
          }
          break;
      }
    }
  }
  async _registerMediaQuery(mq) {
    if (!this._changeHandler) {
      // Define and bind the change handler once