| |
| import os from 'os' |
| import path from 'path' |
| import { Span } from 'next/dist/trace' |
| import loader from 'next/dist/build/babel/loader' |
|
|
| const dir = path.resolve(os.tmpdir()) |
|
|
| const babel = async (code: string, queryOpts = {} as any) => { |
| const { isServer = false, resourcePath = `index.js` } = queryOpts |
|
|
| let isAsync = false |
|
|
| const options = { |
| |
| cwd: dir, |
| isServer, |
| distDir: path.resolve(dir, '.next'), |
| pagesDir: |
| 'pagesDir' in queryOpts ? queryOpts.pagesDir : path.resolve(dir, 'pages'), |
| cache: false, |
| development: true, |
| hasReactRefresh: !isServer, |
| } |
| return new Promise<string>((resolve, reject) => { |
| function callback(err, content) { |
| if (err) { |
| reject(err) |
| } else { |
| resolve(content.replace(/\n/g, '')) |
| } |
| } |
|
|
| const res = loader.bind({ |
| resourcePath, |
| async() { |
| isAsync = true |
| return callback |
| }, |
| callback, |
| emitWarning() {}, |
| query: options, |
| getOptions: function () { |
| return options |
| }, |
| currentTraceSpan: new Span({ name: 'test' }), |
| })(code, null) |
|
|
| if (!isAsync) { |
| resolve(res) |
| } |
| }) |
| } |
|
|
| describe('next-babel-loader', () => { |
| describe('replace constants', () => { |
| it('should replace NODE_ENV on client (dev)', async () => { |
| const code = await babel(`process.env.NODE_ENV`, { |
| isServer: false, |
| }) |
| expect(code).toMatchInlineSnapshot(`""development";"`) |
| }) |
|
|
| it('should replace NODE_ENV in statement (dev)', async () => { |
| const code = await babel(`if (process.env.NODE_ENV === 'development') {}`) |
| expect(code).toMatchInlineSnapshot(`"if (true) {}"`) |
| }) |
|
|
| it('should support 9.4 regression', async () => { |
| const pageFile = path.resolve(dir, 'pages', 'index.js') |
| const output = await babel( |
| ` |
| import React from "react"; |
| import queryGraphql from "../graphql/schema"; |
| |
| const gql = String.raw; |
| |
| export default function Home({ greeting }) { |
| return <h1>{greeting}</h1>; |
| } |
| |
| export async function getStaticProps() { |
| const greeting = await getGreeting(); |
| |
| return { |
| props: { |
| greeting, |
| }, |
| }; |
| } |
| |
| async function getGreeting() { |
| const result = await queryGraphql( |
| gql\` |
| { |
| query { |
| greeting |
| } |
| } |
| \` |
| ); |
| |
| return result.data.greeting; |
| } |
| `, |
| { resourcePath: pageFile, isServer: false } |
| ) |
|
|
| expect(output).toContain( |
| `var __jsx = React.createElement;import React from "react";export var __N_SSG = true;export default function Home(_ref) { var greeting = _ref.greeting; return __jsx("h1", { __self: this, __source: { fileName: _jsxFileName, lineNumber: 8, columnNumber: 20 } }, greeting);}_c = Home;var _c;$RefreshReg$(_c, "Home");` |
| ) |
| }) |
| }) |
| }) |
|
|
