pinafore/bin/build-svg.js
Nolan Lawson 5d3ceb9eb5
perf(svgs): remove unused svg <title>s (#778)
* perf(svgs): remove unused svg <title>s

* remove double svg wrapper
2018-12-11 08:12:57 -08:00

43 lines
1.4 KiB
JavaScript
Executable file

#!/usr/bin/env node
const svgs = require('./svgs')
const path = require('path')
const fs = require('fs')
const pify = require('pify')
const SVGO = require('svgo')
const svgo = new SVGO()
const $ = require('cheerio')
const readFile = pify(fs.readFile.bind(fs))
const writeFile = pify(fs.writeFile.bind(fs))
async function main () {
let result = (await Promise.all(svgs.map(async svg => {
let filepath = path.join(__dirname, '../', svg.src)
let content = await readFile(filepath, 'utf8')
let optimized = (await svgo.optimize(content))
let $optimized = $(optimized.data)
let $path = $optimized.find('path').removeAttr('fill')
let $symbol = $('<symbol></symbol>')
.attr('id', svg.id)
.attr('viewBox', `0 0 ${optimized.info.width} ${optimized.info.height}`)
.append($path)
return $.xml($symbol)
}))).join('\n')
result = `<svg xmlns="http://www.w3.org/2000/svg" style="display:none;">\n${result}\n</svg>`
let htmlTemplateFilepath = path.join(__dirname, '../src/template.html')
let htmlTemplateFile = await readFile(htmlTemplateFilepath, 'utf8')
htmlTemplateFile = htmlTemplateFile.replace(
/<!-- insert svg here -->[\s\S]+<!-- end insert svg here -->/,
'<!-- insert svg here -->' + result + '<!-- end insert svg here -->'
)
await writeFile(htmlTemplateFilepath, htmlTemplateFile, 'utf8')
}
main().catch(err => {
console.error(err)
process.exit(1)
})