function registerHelpers()

in site-ui/gulp.d/tasks/build-preview-pages.js [141:151]


function registerHelpers (src) {
  handlebars.registerHelper('relativize', relativize)
  handlebars.registerHelper('resolvePage', resolvePage)
  handlebars.registerHelper('resolvePageURL', resolvePageURL)
  return vfs.src('helpers/*.js', { base: src, cwd: src }).pipe(
    map((file, enc, next) => {
      handlebars.registerHelper(file.stem, requireFromString(file.contents.toString()))
      next()
    })
  )
}