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JSLinted org/arangodb/extend

This commit is contained in:
Lucas Dohmen 2014-06-20 16:33:56 +02:00
parent f6b7bb23a0
commit b88be851e8
1 changed files with 6 additions and 4 deletions
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10
js/common/modules/org/arangodb/extend.js
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@ -14,7 +14,7 @@ var _ = require("underscore");
// Helper function to correctly set up the prototype chain, for subclasses.
// Similar to `goog.inherits`, but uses a hash of prototype properties and
// class properties to be extended.
exports.extend = function(protoProps, staticProps) {
exports.extend = function (protoProps, staticProps) {
var parent = this;
var child;
@ -24,7 +24,7 @@ exports.extend = function(protoProps, staticProps) {
if (protoProps && _.has(protoProps, 'constructor')) {
child = protoProps.constructor;
} else {
child = function(){ return parent.apply(this, arguments); };
child = function () { return parent.apply(this, arguments); };
}
// Add static properties to the constructor function, if supplied.
@ -32,13 +32,15 @@ exports.extend = function(protoProps, staticProps) {
// Set the prototype chain to inherit from `parent`, without calling
// `parent`'s constructor function.
var Surrogate = function(){ this.constructor = child; };
var Surrogate = function () { this.constructor = child; };
Surrogate.prototype = parent.prototype;
child.prototype = new Surrogate();
// Add prototype properties (instance properties) to the subclass,
// if supplied.
if (protoProps) _.extend(child.prototype, protoProps);
if (protoProps) {
_.extend(child.prototype, protoProps);
}
// Set a convenience property in case the parent's prototype is needed
// later.