From 75440aa98d5622d5213a7e851a28fcb4d7371fb3 Mon Sep 17 00:00:00 2001 From: Tobie Langel Date: Sun, 28 Sep 2008 19:41:53 +0200 Subject: [PATCH] Reorganize hash.js. --- src/hash.js | 187 ++++++++++++++++++++++++++++------------------------ 1 file changed, 101 insertions(+), 86 deletions(-) diff --git a/src/hash.js b/src/hash.js index ed96637..928a236 100644 --- a/src/hash.js +++ b/src/hash.js @@ -3,99 +3,114 @@ function $H(object) { }; var Hash = Class.create(Enumerable, (function() { + function initialize(object) { + this._object = Object.isHash(object) ? object.toObject() : Object.clone(object); + } + + function _each(iterator) { + for (var key in this._object) { + var value = this._object[key], pair = [key, value]; + pair.key = key; + pair.value = value; + iterator(pair); + } + } + + function set(key, value) { + return this._object[key] = value; + } + + function get(key) { + // simulating poorly supported hasOwnProperty + if (this._object[key] !== Object.prototype[key]) + return this._object[key]; + } + + function unset(key) { + var value = this._object[key]; + delete this._object[key]; + return value; + } + + function toObject() { + return Object.clone(this._object); + } + + function keys() { + return this.pluck('key'); + } + + function values() { + return this.pluck('value'); + } + + function index(value) { + var match = this.detect(function(pair) { + return pair.value === value; + }); + return match && match.key; + } + + function merge(object) { + return this.clone().update(object); + } + + function update(object) { + return new Hash(object).inject(this, function(result, pair) { + result.set(pair.key, pair.value); + return result; + }); + } function toQueryPair(key, value) { if (Object.isUndefined(value)) return key; return key + '=' + encodeURIComponent(String.interpret(value)); } - return { - initialize: function(object) { - this._object = Object.isHash(object) ? object.toObject() : Object.clone(object); - }, - - _each: function(iterator) { - for (var key in this._object) { - var value = this._object[key], pair = [key, value]; - pair.key = key; - pair.value = value; - iterator(pair); - } - }, - - set: function(key, value) { - return this._object[key] = value; - }, - - get: function(key) { - // simulating poorly supported hasOwnProperty - if (this._object[key] !== Object.prototype[key]) - return this._object[key]; - }, - - unset: function(key) { - var value = this._object[key]; - delete this._object[key]; - return value; - }, - - toObject: function() { - return Object.clone(this._object); - }, - - keys: function() { - return this.pluck('key'); - }, - - values: function() { - return this.pluck('value'); - }, - - index: function(value) { - var match = this.detect(function(pair) { - return pair.value === value; - }); - return match && match.key; - }, - - merge: function(object) { - return this.clone().update(object); - }, - - update: function(object) { - return new Hash(object).inject(this, function(result, pair) { - result.set(pair.key, pair.value); - return result; - }); - }, - - toQueryString: function() { - return this.inject([], function(results, pair) { - var key = encodeURIComponent(pair.key), values = pair.value; - - if (values && typeof values == 'object') { - if (Object.isArray(values)) - return results.concat(values.map(toQueryPair.curry(key))); - } else results.push(toQueryPair(key, values)); - return results; - }).join('&'); - }, - - inspect: function() { - return '#'; - }, - - toJSON: function() { - return Object.toJSON(this.toObject()); - }, - - clone: function() { - return new Hash(this); - } + function toQueryString() { + return this.inject([], function(results, pair) { + var key = encodeURIComponent(pair.key), values = pair.value; + + if (values && typeof values == 'object') { + if (Object.isArray(values)) + return results.concat(values.map(toQueryPair.curry(key))); + } else results.push(toQueryPair(key, values)); + return results; + }).join('&'); } + + function inspect() { + return '#'; + } + + function toJSON() { + return Object.toJSON(this.toObject()); + } + + function clone() { + return new Hash(this); + } + + return { + initialize: initialize, + _each: _each, + set: set, + get: get, + unset: unset, + toObject: toObject, + toTemplateReplacements: toObject, + keys: keys, + values: values, + index: index, + merge: merge, + update: update, + toQueryString: toQueryString, + inspect: inspect, + toJSON: toJSON, + clone: clone + }; })()); -Hash.prototype.toTemplateReplacements = Hash.prototype.toObject; Hash.from = $H;