Function handleNewLine

codejar.ts:317–346

(event: KeyboardEvent)

  }

  function handleNewLine(event: KeyboardEvent) {
    if (event.key === 'Enter') {
      const before = beforeCursor()
      const after = afterCursor()

      let [padding] = findPadding(before)
      let newLinePadding = padding

      // If last symbol is "{" ident new line
      if (options.indentOn.test(before)) {
        newLinePadding += options.tab
      }

      // Preserve padding
      if (newLinePadding.length > 0) {
        preventDefault(event)
        event.stopPropagation()
        insert('\n' + newLinePadding)
      } else {
        legacyNewLineFix(event)
      }

      // Place adjacent "}" on next line
      if (newLinePadding !== padding && options.moveToNewLine.test(after)) {
        const pos = save()
        insert('\n' + padding)
        restore(pos)
      }
    }
  }

  function legacyNewLineFix(event: KeyboardEvent) {
    // Firefox does not support plaintext-only mode