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web component static website demo
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| <html> | |
| <head> | |
| <link rel="import" href="indexMain.html"> | |
| </head> | |
| <body> | |
| <section class="main"></section> | |
| <script src="site.js"></script> | |
| <script> | |
| site.addTemplate('.main', 'indexMain.html'); | |
| </script> | |
| </body> | |
| </html> |
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| <template id="indexMain"> | |
| <h1>Main index</h1> | |
| </template> |
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| var site = {}; | |
| site.utils = {}; | |
| site.utils.addError = function(msg){ | |
| var body = document.querySelector('body'), | |
| el = document.createElement('p'); | |
| el.setAttribute('style', 'color: red; font-weight: bold;'); | |
| el.textContent = msg; | |
| body.insertBefore(el, body.firstChild); | |
| }; | |
| site.templates = []; | |
| site.getTemplates = function(){ | |
| var templatesRaw = document.querySelectorAll('link[rel="import"]'), | |
| templates = []; | |
| for(var link in templatesRaw){ | |
| if(parseInt(link) === parseInt(link)){ | |
| templates[templates.length] = templatesRaw[link]; | |
| } | |
| } | |
| if(templates.length === 0){ | |
| site.utils.addError("There are no imports"); | |
| } | |
| site.templates = templates; | |
| }; | |
| site.utils.autoGetTemplates = function(){ | |
| if(site.templates.length === 0){ site.getTemplates(); } | |
| }; | |
| site.addTemplate = function(documentTag, templateFile){ | |
| site.utils.autoGetTemplates(); | |
| var templateTag = templateFile.replace('.html', ''), | |
| containerTag = document.querySelector(documentTag), | |
| templateExists = false, | |
| templateLink = null; | |
| if(containerTag === null){ | |
| site.utils.addError(documentTag+" does not exist!"); | |
| return; | |
| } | |
| for(var index in site.templates){ | |
| var template = site.templates[index], | |
| re = new RegExp(templateFile+'$'); | |
| if(re.test(template.href)){ | |
| templateExists = true; | |
| templateLink = template; | |
| } | |
| } | |
| if(!templateExists){ | |
| site.utils.addError(templateFile+' does not exist!'); | |
| return; | |
| } | |
| var contentAll = template.import, | |
| contentTemplate = contentAll.querySelector('#'+templateTag), | |
| clone = document.importNode(contentTemplate.content, true); | |
| containerTag.appendChild(clone); | |
| } | |
| site.addHeader = function(title){ | |
| site.utils.autoGetTemplates(); | |
| for(var index in site.templates){ | |
| var template = site.templates[index]; | |
| if(/header.html$/.test(template.href)){ | |
| var contentAll = template.import, | |
| contentTemplate = contentAll.querySelector('.header'), | |
| clone = document.importNode(contentTemplate.content, true); | |
| clone.querySelector('h1').textContent = title; | |
| document.querySelector('header').appendChild(clone); | |
| } | |
| } | |
| }; |
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