Function resolveAsset

06.Router/basic/js/vue.js:1932–1948

* Resolve an asset. * This function is used because child instances need access * to assets defined in its ancestor chain. * * @param {Object} options * @param {String} type * @param {String} id * @param {Boolean} warnMissing * @return {Object|Function}

(options, type, id, warnMissing)

   */

  function resolveAsset(options, type, id, warnMissing) {
    /* istanbul ignore if */
    if (typeof id !== 'string') {
      return;
    }
    var assets = options[type];
    var camelizedId;
    var res = assets[id] ||
    // camelCase ID
    assets[camelizedId = camelize(id)] ||
    // Pascal Case ID
    assets[camelizedId.charAt(0).toUpperCase() + camelizedId.slice(1)];
    if ('development' !== 'production' && warnMissing && !res) {
      warn('Failed to resolve ' + type.slice(0, -1) + ': ' + id, options);
    }
    return res;
  }

  var uid$1 = 0;