Function fromBase64

lib/previous-map.js:7–14

(str)

let { SourceMapConsumer, SourceMapGenerator } = require('source-map-js')

function fromBase64(str) {
  if (Buffer) {
    return Buffer.from(str, 'base64').toString()
  } else {
    /* c8 ignore next 2 */
    return window.atob(str)
  }
}

class PreviousMap {
  constructor(css, opts) {