overleaf/services/web/frontend/js/ide/files/services/files.js

import _ from 'lodash'
import App from '../../../base'

export default App.factory('files', function (ide) {
  const Files = {
    getTeXFiles() {
      const texFiles = []
      ide.fileTreeManager.forEachEntity(function (entity, _folder, path) {
        if (
          entity.type === 'doc' &&
          /.*\.(tex|md|txt|tikz)/.test(entity.name)
        ) {
          const cloned = _.clone(entity)
          cloned.path = path
          texFiles.push(cloned)
        }
      })
      return texFiles
    },
  }
  return Files
})