29 lines
811 B
JavaScript
29 lines
811 B
JavaScript
import { readFileSync } from 'node:fs';
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/**
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* Rollup/Vite plugin: importing an SVG yields `{ path, viewBox }` extracted at
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* build time, the shape a Home Assistant custom iconset serves. The SVG must
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* be a single-path icon.
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*
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* @type {() => import('rollup').Plugin}
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*/
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export const svgPath = () => ({
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name: 'svg-path',
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// Vite: run before its builtin asset handling.
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enforce: 'pre',
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load(id) {
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if (!id.endsWith('.svg')) {
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return null;
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}
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const source = readFileSync(id, 'utf-8');
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const path = / d="([^"]*)"/.exec(source)?.[1];
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const viewBox = /viewBox="([^"]*)"/.exec(source)?.[1];
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if (!path || !viewBox) {
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throw new Error(`Imported SVG must have a path and viewBox: ${id}`);
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}
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return `export default ${JSON.stringify({ path, viewBox })};`;
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},
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});
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