Created
April 29, 2019 04:09
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Svelte 3 custom element events
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Test Component</title> | |
| </head> | |
| <body> | |
| <script src="svelte.js"></script> | |
| <sample-comp id="svelte"></sample-comp> | |
| <script> | |
| const comp1 = document.getElementById('svelte'); | |
| // This one does not work. | |
| //comp1.addEventListener('save', function (ev) { | |
| // This one does. | |
| comp1.$on('save', function (ev) { | |
| console.log(ev.detail); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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| { | |
| "name": "svelte3-component", | |
| "version": "1.0.0", | |
| "scripts": { | |
| "build": "rollup -c" | |
| }, | |
| "dependencies": { | |
| "svelte": "^3.1.0" | |
| }, | |
| "devDependencies": { | |
| "rollup": "^1.10.1", | |
| "rollup-plugin-node-resolve": "^4.2.3", | |
| "rollup-plugin-svelte": "^5.0.3" | |
| } | |
| } |
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| import svelte from 'rollup-plugin-svelte'; | |
| import resolve from 'rollup-plugin-node-resolve'; | |
| export default { | |
| input: 'Sample.svelte', | |
| output: { | |
| file: 'svelte.js', | |
| name: 'sample', | |
| format: 'iife', | |
| }, | |
| plugins: [ | |
| svelte({ | |
| customElement: true, | |
| emitCss: false, | |
| css: false, | |
| }), | |
| resolve(), | |
| ], | |
| } |
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| <script> | |
| import { createEventDispatcher } from 'svelte'; | |
| let firstName = ''; | |
| const dispatch = createEventDispatcher(); | |
| function save() { | |
| dispatch('save', { | |
| firstName | |
| }); | |
| } | |
| </script> | |
| <svelte:options tag="sample-comp"/> | |
| <div> | |
| <h1>Hello World</h1> | |
| <input type="text" bind:value={firstName}> | |
| <button type="button" on:click={save}>Send</button> | |
| </div> | |
| <style> | |
| div { | |
| font-family: Georgia, 'Times New Roman', Times, serif; | |
| } | |
| </style> |
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