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September 11, 2019 06:49
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Save TokenChingy/0ea3c3d1809af884bbf5b196f1a79a93 to your computer and use it in GitHub Desktop.
A lightweight component template engine.
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| (async () => { | |
| const head = document.querySelector('head'); | |
| const body = document.querySelector('body'); | |
| const includes = document.querySelectorAll('include'); | |
| const parser = new DOMParser(); | |
| const templates = { | |
| styles: [], | |
| scripts: [], | |
| } | |
| for await (let include of includes) { | |
| try { | |
| const file = await fetch(include.dataset.src); | |
| const content = parser.parseFromString(await file.text(), 'text/html'); | |
| const template = document.createElement('div'); | |
| template.innerHTML = content.querySelector('template').innerHTML; | |
| templates.styles.push(content.querySelector('style').innerHTML); | |
| templates.scripts.push(content.querySelector('script').innerHTML); | |
| include.parentNode.replaceChild(template, include); | |
| } catch (error) { | |
| throw new Error(error); | |
| } | |
| } | |
| const style = document.createElement('style'); | |
| const script = document.createElement('script'); | |
| style.innerHTML = templates.styles.join(''); | |
| script.innerHTML = templates.scripts.join(''); | |
| head.appendChild(style); | |
| body.appendChild(script); | |
| })(); | |
| /** | |
| index.html: | |
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8" /> | |
| <title></title> | |
| </head> | |
| <body> | |
| <include data-src="component.html"></include> | |
| <script src="./template.js" type="text/javascript"></script> | |
| </body> | |
| </html> | |
| component.html: | |
| <template> | |
| <h1>Hello World!</h1> | |
| </template> | |
| <script> | |
| console.log('Hello World!') | |
| </script> | |
| <style> | |
| h1 { | |
| color: red; | |
| } | |
| </style> | |
| */ |
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