Overleaf/services/web/frontend/js/ide/preamble/services/preamble.js

/* eslint-disable
    max-len,
*/
// TODO: This file was created by bulk-decaffeinate.
// Fix any style issues and re-enable lint.
/*
 * decaffeinate suggestions:
 * DS102: Remove unnecessary code created because of implicit returns
 * DS103: Rewrite code to no longer use __guard__
 * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
 */
import App from '../../../base'

export default App.factory('preamble', function (ide) {
  const Preamble = {
    getPreambleText() {
      const text = ide.editorManager.getCurrentDocValue().slice(0, 5000)
      const preamble =
        __guard__(text.match(/([^]*)^\\begin\{document\}/m), x => x[1]) || ''
      return preamble
    },

    getGraphicsPaths() {
      let match
      const preamble = Preamble.getPreambleText()
      const graphicsPathsArgs =
        __guard__(preamble.match(/\\graphicspath\{(.*)\}/), x => x[1]) || ''
      const paths = []
      const re = /\{([^}]*)\}/g
      while ((match = re.exec(graphicsPathsArgs))) {
        paths.push(match[1])
      }
      return paths
    },
  }

  return Preamble
})

function __guard__(value, transform) {
  return typeof value !== 'undefined' && value !== null
    ? transform(value)
    : undefined
}