shields/lib/svg-helpers.js

import { svgPathBbox } from 'svg-path-bbox'
import svgpath from 'svgpath'
import loadSimpleIcons from './load-simple-icons.js'

const simpleIcons = loadSimpleIcons()

function svg2base64(svg) {
  return `data:image/svg+xml;base64,${Buffer.from(svg.trim()).toString(
    'base64',
  )}`
}

function getIconSize(iconKey) {
  if (!(iconKey in simpleIcons)) {
    return undefined
  }

  const [x0, y0, x1, y1] = svgPathBbox(simpleIcons[iconKey].path)
  return { width: x1 - x0, height: y1 - y0 }
}

function resetIconPosition(d) {
  const path = svgpath(d)
  const [offsetX, offsetY] = svgPathBbox(path)
  const pathReset = path.translate(-offsetX, -offsetY).round(3).toString()
  return pathReset
}

export { svg2base64, getIconSize, resetIconPosition }