Created
March 26, 2014 10:22
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method missing in JavaScript
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| var HtmlElem = (function(){ | |
| 'use strict'; | |
| var elemStartStr = "<", | |
| elemGut = '</', | |
| elemEndStr = ' >', | |
| elemOmitedClosingTag = ' />', | |
| idStr = ' id="', | |
| classStr = ' class="', | |
| hrefStr = ' href="', | |
| srcStr = ' src="', | |
| htmlStr = '', | |
| drawingElems = [], | |
| defaultOptions = { | |
| id: null, | |
| class: [], | |
| href: null, | |
| src: null | |
| }, | |
| hrefObj = ['a', 'area', 'href'], | |
| srcObj = ['frame', 'img', 'script', 'iframe', 'input'], | |
| noClosingTag = ['br', 'img', 'hr', 'meta', 'input', 'embed', 'area', 'base', 'col', 'keygen', 'link', 'param', 'source']; | |
| var toHtml = function(name, options){ | |
| var isAddingHref = checkTagAttribute(name, hrefObj), | |
| isAddingSrc = checkTagAttribute(name, srcObj); | |
| if( checkTagAttribute(name, noClosingTag) ){ // element with no closing tag | |
| htmlStr += elemStartStr + name + addId(options) + addClass(options) + | |
| ((isAddingHref) ? hrefStr + options.href + '"' : '') + | |
| ((isAddingSrc) ? srcStr + options.src + '"' : '') + | |
| elemOmitedClosingTag; | |
| } else { // element with closing tag | |
| htmlStr += elemStartStr + name + addId(options) + addClass(options) + | |
| ((isAddingHref) ? hrefStr + '"' : '') + | |
| ((isAddingSrc) ? srcStr + '"' : '') + | |
| elemEndStr; | |
| drawingElems.push(name); | |
| } | |
| }; | |
| var checkTagAttribute = function(name, checkObj){ | |
| var i = 0, | |
| l = checkObj.length; | |
| for(; i < l; i++){ | |
| if(checkObj[i] === name) return true; | |
| } | |
| return false; | |
| }; | |
| var addId = function(options){ | |
| if(options.id === undefined || options.id === null){ | |
| return ''; | |
| } | |
| return idStr + options.id + '"'; | |
| }; | |
| var addClass = function(options){ | |
| if(options.class === undefined || options.class.length === 0){ | |
| return ''; | |
| } | |
| return classStr + options.class.join(' ') + '"'; | |
| }; | |
| var end = function(){ | |
| while(drawingElems.length){ | |
| htmlStr += elemGut + drawingElems.pop() + elemEndStr; | |
| } | |
| return htmlStr; | |
| }; | |
| var extend = function(deafultObj, obj){ | |
| var o = deafultObj; | |
| for(i in o){ | |
| if(o.hasOwnProperty(i)){ | |
| o[i] = obj[i]; | |
| } | |
| } | |
| return o; | |
| }; | |
| var returns = { | |
| __noSuchMethod__: function(id, args){ | |
| if(args[0] !== undefined){ | |
| var options = extend(defaultOptions, args[0]); | |
| toHtml(id, options); | |
| return this; | |
| } else { | |
| toHtml(id, defaultOptions); | |
| return this; | |
| } | |
| }, | |
| end: end | |
| }; | |
| if( typeof enableMethodMissing === 'function' ){ | |
| return enableMethodMissing(returns); | |
| } else { | |
| return returns; | |
| }; | |
| }()); | |
| HtmlElem.html() | |
| .body() | |
| .div({class: "hoge"}) | |
| .img({src: "http://image.hoge.com"}).end(); // <html><body><div class="hoge"><img src="http://image.hoge.com"></div></body></html> |
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