amos-tool/lib/_object.assign.js

amos ui tool

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault"), _extends2 = _interopRequireDefault(require("@babel/runtime/helpers/extends")), getOwnPropertySymbols = Object.getOwnPropertySymbols, hasOwnProperty = Object.prototype.hasOwnProperty, propIsEnumerable = Object.prototype.propertyIsEnumerable;

function toObject(e) {
  if (null == e) throw new TypeError("Object.assign cannot be called with null or undefined");
  return Object(e);
}

function shouldUseNative() {
  try {
    if (!Object.assign) return !1;
    var e = new String("abc");
    if (e[5] = "de", "5" === Object.getOwnPropertyNames(e)[0]) return !1;
    for (var r = {}, t = 0; t < 10; t++) r["_" + String.fromCharCode(t)] = t;
    if ("0123456789" !== Object.getOwnPropertyNames(r).map(function(e) {
      return r[e];
    }).join("")) return !1;
    var n = {};
    return "abcdefghijklmnopqrst".split("").forEach(function(e) {
      n[e] = e;
    }), "abcdefghijklmnopqrst" === Object.keys((0, _extends2.default)({}, n)).join("");
  } catch (e) {
    return !1;
  }
}

module.exports = shouldUseNative() ? Object.assign : function(e, r) {
  for (var t, n, o = toObject(e), a = 1; a < arguments.length; a++) {
    for (var i in t = Object(arguments[a])) hasOwnProperty.call(t, i) && (o[i] = t[i]);
    if (getOwnPropertySymbols) {
      n = getOwnPropertySymbols(t);
      for (var s = 0; s < n.length; s++) propIsEnumerable.call(t, n[s]) && (o[n[s]] = t[n[s]]);
    }
  }
  return o;
};