hurt/lib/mixin.js

HTTP and SPA routing using RFC 6570 URI templates

'use strict';

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

var _util = require('./_util');

var hasOwnProperty = Object.prototype.hasOwnProperty;
var arrayPush = Array.prototype.push;

function mixin(target, mixin) {
  Object.getOwnPropertyNames(mixin).forEach(function (name) {
    var descriptor = Object.getOwnPropertyDescriptor(mixin, name);
    var exists = hasOwnProperty.call(target, name);

    if (exists && Array.isArray(target[name])) {
      arrayPush.apply(target[name], Array.isArray(descriptor.value) ? descriptor.value : [descriptor.value]);
      return;
    }

    if (typeof descriptor.value === 'function') {
      descriptor.value = (0, _util.bind)(descriptor.value, exists ? (0, _util.proxy)(target, name) : target);
    }

    try {
      Object.defineProperty(target, name, descriptor);
    } catch (e) {
      //eslint-disable-no-empty
    }
  });
}
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