hurt/lib/_util.js

HTTP and SPA routing using RFC 6570 URI templates

'use strict';

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

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

/**
 * Returns an object prototypicaly proxying the given target, but
 * statically binding the name property to its current value. If the
 * current value is a function it is, in turn, bound to the un-proxied
 * target object.
 */
function proxy(target, name) {
  var descriptor = Object.getOwnPropertyDescriptor(target, name);
  if (typeof descriptor.value === 'function') {
    descriptor.value = bind(descriptor.value, target);
  }
  return Object.create(target, _defineProperty({}, name, descriptor));
}

/**
 * Bind the given function's `this` to the given object. If, however, the
 * function returns `this`, it will be replaced with the `this` the bound
 * function was called with.
 */
function bind(fn, thisArg) {
  function bound() {
    var returnValue = fn.apply(thisArg, arguments);
    return returnValue === thisArg ? this : returnValue;
  }
  return bound;
}
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