node/tools/eslint/node_modules/d/auto-bind.js
Michaël Zasso 2d441493a4 tools: update eslint to v1.10.3
PR-URL: https://github.com/nodejs/io.js/pull/2286
Reviewed-By: Roman Reiss <me@silverwind.io>
2016-01-13 23:15:39 +01:00

32 lines
919 B
JavaScript

'use strict';
var copy = require('es5-ext/object/copy')
, map = require('es5-ext/object/map')
, callable = require('es5-ext/object/valid-callable')
, validValue = require('es5-ext/object/valid-value')
, bind = Function.prototype.bind, defineProperty = Object.defineProperty
, hasOwnProperty = Object.prototype.hasOwnProperty
, define;
define = function (name, desc, bindTo) {
var value = validValue(desc) && callable(desc.value), dgs;
dgs = copy(desc);
delete dgs.writable;
delete dgs.value;
dgs.get = function () {
if (hasOwnProperty.call(this, name)) return value;
desc.value = bind.call(value, (bindTo == null) ? this : this[bindTo]);
defineProperty(this, name, desc);
return this[name];
};
return dgs;
};
module.exports = function (props/*, bindTo*/) {
var bindTo = arguments[1];
return map(props, function (desc, name) {
return define(name, desc, bindTo);
});
};