Created
December 17, 2020 18:03
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Compile TypeScript in the browser
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <script src="https://unpkg.com/typescript@latest/lib/typescriptServices.js"></script> | |
| <script src="https://unpkg.com/apprun"></script> | |
| <script src="my-tsc.js" defer></script> | |
| </head> | |
| <body> | |
| <script type="text/typescript"> | |
| class Xkcd extends Component { | |
| state = async () => { | |
| const response = await fetch('https://xkcd-imgs.herokuapp.com/'); | |
| const comic = await response.json(); | |
| return comic; | |
| }; | |
| view = comic => <img src={ comic.url } />; | |
| } | |
| app.render(document.body, <Xkcd />); | |
| </script> | |
| </body> | |
| </html> |
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| window.addEventListener('DOMContentLoaded', (event) => { | |
| const compilerOptions = { | |
| "target": "es2015", | |
| "jsx": "react", | |
| "jsxFactory": "app.h", | |
| "jsxFragmentFactory": "app.Fragment", | |
| "lib": ["dom", "es2015", "es5"], | |
| "experimentalDecorators": true, | |
| "skipLibCheck": true | |
| }; | |
| const scripts = document.getElementsByTagName("script"); | |
| window.ts && [...scripts].forEach(script => { | |
| if(script.attributes['type'] && | |
| script.attributes['type'].value.includes("text/typescript")) { | |
| const tsCode = window.ts.transpile(script.innerText, compilerOptions); | |
| const new_script = document.createElement('script'); | |
| new_script.attributes['type'] = script.attributes['type'].value.replace("text/typescript", ""); | |
| new_script.innerText = tsCode; | |
| script.replaceWith(new_script); | |
| } | |
| }); | |
| }); |
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