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feat(examples): add rdom-reactive-svg example
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| # rdom-reactive-svg | ||
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| [Live demo](http://demo.thi.ng/umbrella/rdom-reactive-svg/) | ||
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| ## Developing & building | ||
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| Please refer to the instructions on the wiki: | ||
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| - [Development](https://github.com/thi-ng/umbrella/wiki/Development-mode-for-examples-using-thi.ng-meta%E2%80%90css) | ||
| - [Production build](https://github.com/thi-ng/umbrella/wiki/Example-build-instructions) | ||
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| ## Authors | ||
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| - Karsten Schmidt | ||
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| ## License | ||
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| © 2024 Karsten Schmidt // Apache Software License 2.0 |
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| { | ||
| "tables": {}, | ||
| "vars": {}, | ||
| "decls": [], | ||
| "specs": [], | ||
| "templates": [] | ||
| } |
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| // list of CSS class names to force-include in generated CSS | ||
| // (one class per line, basic wildcards supported) |
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| // thi.ng/meta-css stylesheet | ||
| // see package readme for more details/usage | ||
| // use `yarn css:build` or `yarn css:watch` to transpile to CSS | ||
| // also see component-specific *.mcss files in /src folder | ||
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| // (optional) variable declarations | ||
| :root { | ||
| // color1=#fff | ||
| } | ||
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| body { system-sans-serif ma3 } |
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| <!DOCTYPE html> | ||
| <html lang="en"> | ||
| <head> | ||
| <link | ||
| rel="icon" | ||
| href='data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><text y=".9em" font-size="90">⛱️</text></svg>' | ||
| /> | ||
| <meta http-equiv="Content-Type" content="text/html;charset=UTF-8"> | ||
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | ||
| <meta http-equiv="X-UA-Compatible" content="ie=edge"> | ||
| <title>rdom-reactive-svg · @thi.ng/umbrella</title> | ||
| <link href="/css/style.css" rel="stylesheet"> | ||
| <script>window.goatcounter = { path: (p) => location.host + p };</script> | ||
| <script data-goatcounter="https://thing.goatcounter.com/count" async src="//gc.zgo.at/count.js"></script> | ||
| </head> | ||
| <body> | ||
| <div id="app"></div> | ||
| <div><a class="link" href="https://github.com/thi-ng/umbrella/tree/develop/examples/rdom-reactive-svg">Source code</a></div> | ||
| <script type="module" src="/src/index.ts"></script> | ||
| </body> | ||
| </html> |
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| { | ||
| "name": "@example/rdom-reactive-svg", | ||
| "version": "0.0.1", | ||
| "private": true, | ||
| "description": "Animated SVG elements with reactive attributes", | ||
| "repository": "https://github.com/thi-ng/umbrella", | ||
| "author": "Karsten Schmidt <k+npm@thi.ng>", | ||
| "license": "Apache-2.0", | ||
| "scripts": { | ||
| "start": "yarn css:build && yarn start:only", | ||
| "start:only": "vite --host --open", | ||
| "css:watch": "../../node_modules/.bin/metacss develop --bundle --watch --pretty --out-specs css/framework.json --out-css css/style.css --force @css/includes.txt ../../packages/meta-css/specs/*.mcss.json css/*.mcss.json css/*.mcss", | ||
| "css:build": "../../node_modules/.bin/metacss develop --bundle --out-specs css/framework.json --out-css css/style.css --force @css/includes.txt ../../packages/meta-css/specs/*.mcss.json css/*.mcss.json css/*.mcss", | ||
| "build": "yarn css:build && tsc && vite build --base='./'", | ||
| "preview": "vite preview --host --open" | ||
| }, | ||
| "devDependencies": { | ||
| "@thi.ng/meta-css": "workspace:^", | ||
| "typescript": "^5.4.3", | ||
| "vite": "^5.2.6" | ||
| }, | ||
| "dependencies": { | ||
| "@thi.ng/color": "workspace:^", | ||
| "@thi.ng/hiccup-svg": "workspace:^", | ||
| "@thi.ng/random": "workspace:^", | ||
| "@thi.ng/rdom": "workspace:^", | ||
| "@thi.ng/rstream": "workspace:^", | ||
| "@thi.ng/transducers": "workspace:^" | ||
| }, | ||
| "browser": { | ||
| "process": false | ||
| }, | ||
| "thi.ng": { | ||
| "readme": false, | ||
| "screenshot": "examples/rdom-reactive-svg.jpg" | ||
| } | ||
| } |
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| import { css, lch } from "@thi.ng/color"; | ||
| import { group, svg } from "@thi.ng/hiccup-svg"; | ||
| import { SYSTEM } from "@thi.ng/random"; | ||
| import { $compile } from "@thi.ng/rdom"; | ||
| import { fromRAF } from "@thi.ng/rstream"; | ||
| import { repeatedly } from "@thi.ng/transducers"; | ||
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| // time in seconds | ||
| const time = fromRAF({ timestamp: true }).map((t) => t * 0.001); | ||
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| // create circle element w/ randomized reactive attribs | ||
| const circle = () => { | ||
| const fX = SYSTEM.minmax(0.5, 3); | ||
| const fY = SYSTEM.minmax(0.5, 3); | ||
| const fR = SYSTEM.minmax(0.5, 3); | ||
| const fC = SYSTEM.minmax(0.1, 1); | ||
| // use plain hiccup to define the SVG circle element | ||
| return [ | ||
| "circle", | ||
| { | ||
| cx: time.map((t) => Math.cos(t * fX) * 200), | ||
| cy: time.map((t) => Math.sin(t * fY) * 200), | ||
| r: time.map((t) => Math.sin(t * fR) * 45 + 50), | ||
| fill: time.map((t) => css(lch(0.8, 1, t * fC))), | ||
| }, | ||
| ]; | ||
| }; | ||
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| $compile( | ||
| // for the non-reactive outer elements, we can use hiccup-svg | ||
| // for convenience & syntax sugar... | ||
| svg( | ||
| { width: 600, height: 600, style: { background: "#ccc" } }, | ||
| group( | ||
| { translate: [300, 300] }, | ||
| // create N random circles | ||
| ...repeatedly(circle, 10) | ||
| ) | ||
| ) | ||
| ).mount(document.body); |
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| /// <reference types="vite/client" /> |
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| { | ||
| "extends": "../tsconfig.json", | ||
| "include": ["src/**/*"], | ||
| "compilerOptions": { | ||
| } | ||
| } |
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| export default { | ||
| build: { target: "esnext" }, | ||
| }; |
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