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92 lines
2.2 KiB
TypeScript
92 lines
2.2 KiB
TypeScript
12 months ago
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import {
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cleanupSVG,
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importDirectory,
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parseColors,
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runSVGO,
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} from '@iconify/tools'
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import { buildUtilsReadFile, buildUtilsWriteFile } from '../../utils'
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import { IconLog, SvgPrefix, iconSVGPath } from '../src'
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export async function generateSvgJSON(whiteList?: string[]) {
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// build the empty json file
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await buildUtilsWriteFile(
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iconSVGPath,
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JSON.stringify({ icons: {}, prefix: SvgPrefix }),
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)
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// Import icons
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const iconSet = await importDirectory('.svg', {
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prefix: SvgPrefix,
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})
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// Validate, clean up, fix palette and optimise
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await iconSet.forEach(async (name, type) => {
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if (type !== 'icon')
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return
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// white list limit
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if (whiteList && !whiteList.includes(name))
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iconSet.remove(name)
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const svg = iconSet.toSVG(name)
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if (!svg) {
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// Invalid icon
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iconSet.remove(name)
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return
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}
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// Clean up and optimise icons
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try {
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// Cleanup icon code
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await cleanupSVG(svg)
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// Assume icon is monotone: replace color with currentColor, add if missing
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// If icon is not monotone, remove this code
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await parseColors(svg, {
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defaultColor: 'currentColor',
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// eslint-disable-next-line unused-imports/no-unused-vars
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callback: (attr, colorStr, color) => {
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// return !color || isEmptyColor(color) ? colorStr : 'currentColor'
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return colorStr || 'currentColor'
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},
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})
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// Optimise
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runSVGO(svg)
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}
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catch (err) {
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// Invalid icon
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console.error(`Error parsing ${name}:`, err)
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iconSet.remove(name)
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return
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}
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// Update icon
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iconSet.fromSVG(name, svg)
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})
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const data = JSON.parse(await buildUtilsReadFile(iconSVGPath))
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// Generate to icon list
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await iconSet.forEach((name) => {
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// auto remove width and height
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const body = String(iconSet.toString(name))
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.replaceAll(/width="(.[0-9]*)"/gi, '')
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.replaceAll(/height="(.[0-9]*)"/gi, '')
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data.icons[name] = {
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body,
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}
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})
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// write into json
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await buildUtilsWriteFile(iconSVGPath, JSON.stringify(data, null, 2))
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IconLog(
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'Icon SVG',
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`Detecting ${iconSet.count()} custom svg icon, writing into file: ${iconSVGPath}`,
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)
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}
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