From 92eac6f1f6d9f0812a91597c7784ec257ee0c049 Mon Sep 17 00:00:00 2001 From: Tobie Langel Date: Thu, 11 Dec 2008 11:33:31 +0100 Subject: [PATCH] Reorganize enumerable.js. --- src/enumerable.js | 134 +++++++++++++++++++++++++++------------------- 1 file changed, 78 insertions(+), 56 deletions(-) diff --git a/src/enumerable.js b/src/enumerable.js index d6cbc54..b2155e0 100644 --- a/src/enumerable.js +++ b/src/enumerable.js @@ -1,7 +1,7 @@ var $break = { }; -var Enumerable = { - each: function(iterator, context) { +var Enumerable = (function() { + function each(iterator, context) { var index = 0; try { this._each(function(value) { @@ -11,17 +11,17 @@ var Enumerable = { if (e != $break) throw e; } return this; - }, + } - eachSlice: function(number, iterator, context) { + function eachSlice(number, iterator, context) { var index = -number, slices = [], array = this.toArray(); if (number < 1) return array; while ((index += number) < array.length) slices.push(array.slice(index, index+number)); return slices.collect(iterator, context); - }, + } - all: function(iterator, context) { + function all(iterator, context) { iterator = iterator || Prototype.K; var result = true; this.each(function(value, index) { @@ -29,9 +29,9 @@ var Enumerable = { if (!result) throw $break; }); return result; - }, + } - any: function(iterator, context) { + function any(iterator, context) { iterator = iterator || Prototype.K; var result = false; this.each(function(value, index) { @@ -39,18 +39,18 @@ var Enumerable = { throw $break; }); return result; - }, + } - collect: function(iterator, context) { + function collect(iterator, context) { iterator = iterator || Prototype.K; var results = []; this.each(function(value, index) { results.push(iterator.call(context, value, index)); }); return results; - }, + } - detect: function(iterator, context) { + function detect(iterator, context) { var result; this.each(function(value, index) { if (iterator.call(context, value, index)) { @@ -59,18 +59,18 @@ var Enumerable = { } }); return result; - }, + } - findAll: function(iterator, context) { + function findAll(iterator, context) { var results = []; this.each(function(value, index) { if (iterator.call(context, value, index)) results.push(value); }); return results; - }, + } - grep: function(filter, iterator, context) { + function grep(filter, iterator, context) { iterator = iterator || Prototype.K; var results = []; @@ -82,9 +82,9 @@ var Enumerable = { results.push(iterator.call(context, value, index)); }); return results; - }, + } - include: function(object) { + function include(object) { if (Object.isFunction(this.indexOf)) if (this.indexOf(object) != -1) return true; @@ -96,31 +96,31 @@ var Enumerable = { } }); return found; - }, + } - inGroupsOf: function(number, fillWith) { + function inGroupsOf(number, fillWith) { fillWith = Object.isUndefined(fillWith) ? null : fillWith; return this.eachSlice(number, function(slice) { while(slice.length < number) slice.push(fillWith); return slice; }); - }, + } - inject: function(memo, iterator, context) { + function inject(memo, iterator, context) { this.each(function(value, index) { memo = iterator.call(context, memo, value, index); }); return memo; - }, + } - invoke: function(method) { + function invoke(method) { var args = $A(arguments).slice(1); return this.map(function(value) { return value[method].apply(value, args); }); - }, + } - max: function(iterator, context) { + function max(iterator, context) { iterator = iterator || Prototype.K; var result; this.each(function(value, index) { @@ -129,9 +129,9 @@ var Enumerable = { result = value; }); return result; - }, + } - min: function(iterator, context) { + function min(iterator, context) { iterator = iterator || Prototype.K; var result; this.each(function(value, index) { @@ -140,9 +140,9 @@ var Enumerable = { result = value; }); return result; - }, + } - partition: function(iterator, context) { + function partition(iterator, context) { iterator = iterator || Prototype.K; var trues = [], falses = []; this.each(function(value, index) { @@ -150,26 +150,26 @@ var Enumerable = { trues : falses).push(value); }); return [trues, falses]; - }, + } - pluck: function(property) { + function pluck(property) { var results = []; this.each(function(value) { results.push(value[property]); }); return results; - }, + } - reject: function(iterator, context) { + function reject(iterator, context) { var results = []; this.each(function(value, index) { if (!iterator.call(context, value, index)) results.push(value); }); return results; - }, + } - sortBy: function(iterator, context) { + function sortBy(iterator, context) { return this.map(function(value, index) { return { value: value, @@ -179,13 +179,13 @@ var Enumerable = { var a = left.criteria, b = right.criteria; return a < b ? -1 : a > b ? 1 : 0; }).pluck('value'); - }, + } - toArray: function() { + function toArray() { return this.map(); - }, + } - zip: function() { + function zip() { var iterator = Prototype.K, args = $A(arguments); if (Object.isFunction(args.last())) iterator = args.pop(); @@ -194,24 +194,46 @@ var Enumerable = { return this.map(function(value, index) { return iterator(collections.pluck(index)); }); - }, + } - size: function() { + function size() { return this.toArray().length; - }, + } - inspect: function() { + function inspect() { return '#'; } -}; - -Object.extend(Enumerable, { - map: Enumerable.collect, - find: Enumerable.detect, - select: Enumerable.findAll, - filter: Enumerable.findAll, - member: Enumerable.include, - entries: Enumerable.toArray, - every: Enumerable.all, - some: Enumerable.any -}); + + return { + each: each, + eachSlice: eachSlice, + all: all, + every: all, + any: any, + some: any, + collect: collect, + map: collect, + detect: detect, + findAll: findAll, + select: findAll, + filter: findAll, + grep: grep, + include: include, + member: include, + inGroupsOf: inGroupsOf, + inject: inject, + invoke: invoke, + max: max, + min: min, + partition: partition, + pluck: pluck, + reject: reject, + sortBy: sortBy, + toArray: toArray, + entries: toArray, + zip: zip, + size: size, + inspect: inspect, + find: detect + }; +})();