Skip to main content

Programming Language

The programming language for Babel is TypeScript, commonly abbreviated as TS, with the supported version being 5.0.

Module​

Each Babel Element is a module. When you create a Function Element named "myFunc", the corresponding module name is #elements/myFunc, which has a default export. You can import and use myFunc in other Babel Elements through the import declaration.

import myFunc from "#elements/myFunc";

Special Modules​

Special modules include: #config and #elements.

The default export of the #config module is the configuration object set by Config.

import mySecrets from "#config";

let key = mySecrets.XXX_API_KEY
// call XXX API with the key
// ...

The named exports of the #elementsmodule include all reusable Babel Elements (due to implementation limitations, neon elements are not included).

import * as Koa from "koa";
import { getBookChapter, markdownToHTML } from "#elements";
// The line above is equivalent to
// import getBookChapter from "#elements/getBookChapterHTML";
// import markdownToHTML from "#elements/markdownToHTML";

/**  GET /:book/:chapter  */
export default async function respond(request: Koa.Request, response: Koa.Response) {
  let { book, chapter } = request.params
  let markdown = await getBookChapter(book, chapter)
  return markdownToHTML(markdown)
}

Built-in Dependencies​

Babel comes with the following packages, which do not need to be declared in Dependency.

  • koa（Version：2.13.x）