moltres-utils/dist/data/getTag.js

Utils for Moltres apps

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _baseGetTag = _interopRequireDefault(require("./baseGetTag"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

/** `Object#toString` result references. */
const dataViewTag = '[object DataView]';
const mapTag = '[object Map]';
const objectTag = '[object Object]';
const promiseTag = '[object Promise]';
const setTag = '[object Set]';
const weakMapTag = '[object WeakMap]';
/** Used to detect maps, sets, and weakmaps. */

const dataViewCtorString = `${DataView}`;
const mapCtorString = `${Map}`;
const promiseCtorString = `${Promise}`;
const setCtorString = `${Set}`;
const weakMapCtorString = `${WeakMap}`;
let getTag = _baseGetTag.default; // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.

if (DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag || getTag(new Map()) != mapTag || getTag(Promise.resolve()) != promiseTag || getTag(new Set()) != setTag || getTag(new WeakMap()) != weakMapTag) {
  getTag = value => {
    const result = (0, _baseGetTag.default)(value);
    const Ctor = result == objectTag ? value.constructor : undefined;
    const ctorString = Ctor ? `${Ctor}` : '';

    if (ctorString) {
      switch (ctorString) {
        case dataViewCtorString:
          return dataViewTag;

        case mapCtorString:
          return mapTag;

        case promiseCtorString:
          return promiseTag;

        case setCtorString:
          return setTag;

        case weakMapCtorString:
          return weakMapTag;
      }
    }

    return result;
  };
}

var _default = getTag;
exports.default = _default;
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