pinafore/bin/build-svg.js
2020-08-25 23:47:20 -07:00

40 lines
1.4 KiB
JavaScript
Executable file

import svgs from './svgs'
import path from 'path'
import fs from 'fs'
import { promisify } from 'util'
import SVGO from 'svgo'
import $ from 'cheerio'
const svgo = new SVGO()
const readFile = promisify(fs.readFile)
const writeFile = promisify(fs.writeFile)
async function readSvg (svg) {
const filepath = path.join(__dirname, '../', svg.src)
const content = await readFile(filepath, 'utf8')
const optimized = (await svgo.optimize(content))
const $optimized = $(optimized.data)
const $path = $optimized.find('path, circle').removeAttr('fill')
const viewBox = $optimized.attr('viewBox') || `0 0 ${$optimized.attr('width')} ${$optimized.attr('height')}`
const $symbol = $('<symbol></symbol>')
.attr('id', svg.id)
.attr('viewBox', viewBox)
.append($path)
return $.xml($symbol)
}
export async function buildSvg () {
const inlineSvgs = svgs.filter(_ => _.inline)
const regularSvgs = svgs.filter(_ => !_.inline)
const inlineSvgStrings = (await Promise.all(inlineSvgs.map(readSvg))).join('')
const regularSvgStrings = (await Promise.all(regularSvgs.map(readSvg))).join('')
const inlineOutput = `<svg xmlns="http://www.w3.org/2000/svg" style="display:none">${inlineSvgStrings}</svg>`
const regularOutput = `<svg xmlns="http://www.w3.org/2000/svg">${regularSvgStrings}</svg>`
await writeFile(path.resolve(__dirname, '../static/icons.svg'), regularOutput, 'utf8')
return inlineOutput
}