| | |
| | import { transform } from '@babel/core' |
| |
|
| | const trim = (s) => s.join('\n').trim().replace(/^\s+/gm, '') |
| |
|
| | |
| | const NODE_ENV = process.env.NODE_ENV |
| | ;(process.env as any).NODE_ENV = 'production' |
| | const plugin = require('next/dist/build/babel/plugins/next-ssg-transform') |
| | ;(process.env as any).NODE_ENV = NODE_ENV |
| |
|
| | const babel = (code, esm = true, pluginOptions = {}) => |
| | transform(code, { |
| | filename: 'noop.js', |
| | presets: [['@babel/preset-react', { development: false, pragma: '__jsx' }]], |
| | plugins: [[plugin, pluginOptions]], |
| | babelrc: false, |
| | configFile: false, |
| | sourceType: 'module', |
| | compact: true, |
| | caller: { |
| | name: 'tests', |
| | supportsStaticESM: esm, |
| | }, |
| | }).code |
| |
|
| | describe('babel plugin (next-ssg-transform)', () => { |
| | describe('getStaticProps support', () => { |
| | it('should remove separate named export specifiers', () => { |
| | const output = babel(trim` |
| | export { getStaticPaths } from '.' |
| | export { a as getStaticProps } from '.' |
| | |
| | export default function Test() { |
| | return <div /> |
| | } |
| | `) |
| | expect(output).toMatchInlineSnapshot( |
| | `"export var __N_SSG=true;export default function Test(){return __jsx("div",null);}"` |
| | ) |
| | }) |
| |
|
| | it('should remove combined named export specifiers', () => { |
| | const output = babel(trim` |
| | export { getStaticPaths, a as getStaticProps } from '.' |
| | |
| | export default function Test() { |
| | return <div /> |
| | } |
| | `) |
| | expect(output).toMatchInlineSnapshot( |
| | `"export var __N_SSG=true;export default function Test(){return __jsx("div",null);}"` |
| | ) |
| | }) |
| |
|
| | it('should retain extra named export specifiers', () => { |
| | const output = babel(trim` |
| | export { getStaticPaths, a as getStaticProps, foo, bar as baz } from '.' |
| | |
| | export default function Test() { |
| | return <div /> |
| | } |
| | `) |
| | expect(output).toMatchInlineSnapshot( |
| | `"export var __N_SSG=true;export{foo,bar as baz}from'.';export default function Test(){return __jsx("div",null);}"` |
| | ) |
| | }) |
| |
|
| | it('should remove named export function declarations', () => { |
| | const output = babel(trim` |
| | export function getStaticPaths() { |
| | return [] |
| | } |
| | |
| | export function getStaticProps() { |
| | return { props: {} } |
| | } |
| | |
| | export default function Test() { |
| | return <div /> |
| | } |
| | `) |
| |
|
| | expect(output).toMatchInlineSnapshot( |
| | `"export var __N_SSG=true;export default function Test(){return __jsx("div",null);}"` |
| | ) |
| | }) |
| |
|
| | it('should remove named export function declarations (async)', () => { |
| | const output = babel(trim` |
| | export async function getStaticPaths() { |
| | return [] |
| | } |
| | |
| | export async function getStaticProps() { |
| | return { props: {} } |
| | } |
| | |
| | export default function Test() { |
| | return <div /> |
| | } |
| | `) |
| |
|
| | expect(output).toMatchInlineSnapshot( |
| | `"export var __N_SSG=true;export default function Test(){return __jsx("div",null);}"` |
| | ) |
| | }) |
| |
|
| | it('should not remove extra named export function declarations', () => { |
| | const output = babel(trim` |
| | export function getStaticProps() { |
| | return { props: {} } |
| | } |
| | |
| | export function Noop() {} |
| | |
| | export default function Test() { |
| | return <div /> |
| | } |
| | `) |
| |
|
| | expect(output).toMatchInlineSnapshot( |
| | `"export var __N_SSG=true;export function Noop(){}export default function Test(){return __jsx("div",null);}"` |
| | ) |
| | }) |
| |
|
| | it('should remove named export variable declarations', () => { |
| | const output = babel(trim` |
| | export const getStaticPaths = () => { |
| | return [] |
| | } |
| | |
| | export const getStaticProps = function() { |
| | return { props: {} } |
| | } |
| | |
| | export default function Test() { |
| | return <div /> |
| | } |
| | `) |
| |
|
| | expect(output).toMatchInlineSnapshot( |
| | `"export var __N_SSG=true;export default function Test(){return __jsx("div",null);}"` |
| | ) |
| | }) |
| |
|
| | it('should remove named export variable declarations (async)', () => { |
| | const output = babel(trim` |
| | export const getStaticPaths = async () => { |
| | return [] |
| | } |
| | |
| | export const getStaticProps = async function() { |
| | return { props: {} } |
| | } |
| | |
| | export default function Test() { |
| | return <div /> |
| | } |
| | `) |
| |
|
| | expect(output).toMatchInlineSnapshot( |
| | `"export var __N_SSG=true;export default function Test(){return __jsx("div",null);}"` |
| | ) |
| | }) |
| |
|
| | it('should not remove extra named export variable declarations', () => { |
| | const output = babel(trim` |
| | export const getStaticPaths = () => { |
| | return [] |
| | }, foo = 2 |
| | |
| | export const getStaticProps = function() { |
| | return { props: {} } |
| | } |
| | |
| | export default function Test() { |
| | return <div /> |
| | } |
| | `) |
| |
|
| | expect(output).toMatchInlineSnapshot( |
| | `"export var __N_SSG=true;export const foo=2;export default function Test(){return __jsx("div",null);}"` |
| | ) |
| | }) |
| |
|
| | it('should remove re-exported variable declarations', () => { |
| | const output = babel(trim` |
| | const getStaticPaths = () => { |
| | return [] |
| | } |
| | |
| | export { getStaticPaths } |
| | |
| | export default function Test() { |
| | return <div /> |
| | } |
| | `) |
| |
|
| | expect(output).toMatchInlineSnapshot( |
| | `"export var __N_SSG=true;export default function Test(){return __jsx("div",null);}"` |
| | ) |
| | }) |
| |
|
| | it('should remove re-exported variable declarations (safe)', () => { |
| | const output = babel(trim` |
| | const getStaticPaths = () => { |
| | return [] |
| | }, a = 2 |
| | |
| | export { getStaticPaths } |
| | |
| | export default function Test() { |
| | return <div /> |
| | } |
| | `) |
| |
|
| | expect(output).toMatchInlineSnapshot( |
| | `"const a=2;export var __N_SSG=true;export default function Test(){return __jsx("div",null);}"` |
| | ) |
| | }) |
| |
|
| | it('should remove re-exported function declarations', () => { |
| | const output = babel(trim` |
| | function getStaticPaths() { |
| | return [] |
| | } |
| | |
| | export { getStaticPaths } |
| | |
| | export default function Test() { |
| | return <div /> |
| | } |
| | `) |
| |
|
| | expect(output).toMatchInlineSnapshot( |
| | `"export var __N_SSG=true;export default function Test(){return __jsx("div",null);}"` |
| | ) |
| | }) |
| |
|
| | it('should not crash for class declarations', () => { |
| | const output = babel(trim` |
| | function getStaticPaths() { |
| | return [] |
| | } |
| | |
| | export { getStaticPaths } |
| | |
| | export class MyClass {} |
| | |
| | export default function Test() { |
| | return <div /> |
| | } |
| | `) |
| |
|
| | expect(output).toMatchInlineSnapshot( |
| | `"export var __N_SSG=true;export class MyClass{}export default function Test(){return __jsx("div",null);}"` |
| | ) |
| | }) |
| |
|
| | it(`should remove re-exported function declarations' dependents (variables, functions, imports)`, () => { |
| | const output = babel(trim` |
| | import keep_me from 'hello' |
| | import {keep_me2} from 'hello2' |
| | import * as keep_me3 from 'hello3' |
| | |
| | import drop_me from 'bla' |
| | import { drop_me2 } from 'foo' |
| | import { drop_me3, but_not_me } from 'bar' |
| | import * as remove_mua from 'hehe' |
| | |
| | var leave_me_alone = 1; |
| | function dont_bug_me_either() {} |
| | |
| | const inceptionVar = 'hahaa'; |
| | var var1 = 1; |
| | let var2 = 2; |
| | const var3 = inceptionVar + remove_mua; |
| | |
| | function inception1() {var2;drop_me2;} |
| | |
| | function abc() {} |
| | const b = function() {var3;drop_me3;}; |
| | const b2 = function apples() {}; |
| | const bla = () => {inception1}; |
| | |
| | function getStaticProps() { |
| | abc(); |
| | drop_me; |
| | b; |
| | b2; |
| | bla(); |
| | return { props: {var1} } |
| | } |
| | |
| | export { getStaticProps } |
| | |
| | export default function Test() { |
| | return <div /> |
| | } |
| | `) |
| |
|
| | expect(output).toMatchInlineSnapshot( |
| | `"import keep_me from'hello';import{keep_me2}from'hello2';import*as keep_me3 from'hello3';import{but_not_me}from'bar';var leave_me_alone=1;function dont_bug_me_either(){}export var __N_SSG=true;export default function Test(){return __jsx("div",null);}"` |
| | ) |
| | }) |
| |
|
| | it('should not mix up bindings', () => { |
| | const output = babel(trim` |
| | function Function1() { |
| | return { |
| | a: function bug(a) { |
| | return 2; |
| | } |
| | }; |
| | } |
| | |
| | function Function2() { |
| | var bug = 1; |
| | return { bug }; |
| | } |
| | |
| | export { getStaticProps } from 'a' |
| | `) |
| |
|
| | expect(output).toMatchInlineSnapshot( |
| | `"function Function1(){return{a:function bug(a){return 2;}};}function Function2(){var bug=1;return{bug};}"` |
| | ) |
| | }) |
| |
|
| | it('should support class exports', () => { |
| | const output = babel(trim` |
| | export function getStaticProps() { |
| | return { props: {} } |
| | } |
| | |
| | export default class Test extends React.Component { |
| | render() { |
| | return <div /> |
| | } |
| | } |
| | `) |
| |
|
| | expect(output).toMatchInlineSnapshot( |
| | `"export var __N_SSG=true;export default class Test extends React.Component{render(){return __jsx("div",null);}}"` |
| | ) |
| | }) |
| |
|
| | it('should support class exports 2', () => { |
| | const output = babel(trim` |
| | export function getStaticProps() { |
| | return { props: {} } |
| | } |
| | |
| | class Test extends React.Component { |
| | render() { |
| | return <div /> |
| | } |
| | } |
| | |
| | export default Test; |
| | `) |
| |
|
| | expect(output).toMatchInlineSnapshot( |
| | `"class Test extends React.Component{render(){return __jsx("div",null);}}export var __N_SSG=true;export default Test;"` |
| | ) |
| | }) |
| |
|
| | it('should support export { _ as default }', () => { |
| | const output = babel(trim` |
| | export function getStaticProps() { |
| | return { props: {} } |
| | } |
| | |
| | function El() { |
| | return <div /> |
| | } |
| | |
| | export { El as default } |
| | `) |
| |
|
| | expect(output).toMatchInlineSnapshot( |
| | `"function El(){return __jsx("div",null);}export var __N_SSG=true;export{El as default};"` |
| | ) |
| | }) |
| |
|
| | it('should support export { _ as default } with other specifiers', () => { |
| | const output = babel(trim` |
| | export function getStaticProps() { |
| | return { props: {} } |
| | } |
| | |
| | function El() { |
| | return <div /> |
| | } |
| | |
| | const a = 5 |
| | |
| | export { El as default, a } |
| | `) |
| |
|
| | expect(output).toMatchInlineSnapshot( |
| | `"function El(){return __jsx("div",null);}const a=5;export var __N_SSG=true;export{El as default,a};"` |
| | ) |
| | }) |
| |
|
| | it('should support export { _ as default } with a class', () => { |
| | const output = babel(trim` |
| | export function getStaticProps() { |
| | return { props: {} } |
| | } |
| | |
| | class El extends React.Component { |
| | render() { |
| | return <div /> |
| | } |
| | } |
| | |
| | const a = 5 |
| | |
| | export { El as default, a } |
| | `) |
| |
|
| | expect(output).toMatchInlineSnapshot( |
| | `"class El extends React.Component{render(){return __jsx("div",null);}}const a=5;export var __N_SSG=true;export{El as default,a};"` |
| | ) |
| | }) |
| |
|
| | it('should support full re-export', () => { |
| | const output = babel(trim` |
| | export { getStaticProps, default } from 'a' |
| | `) |
| |
|
| | expect(output).toMatchInlineSnapshot( |
| | `"export var __N_SSG=true;export{default}from'a';"` |
| | ) |
| | }) |
| |
|
| | it('should support babel-style memoized function', () => { |
| | const output = babel(trim` |
| | function fn() { |
| | fn = function () {}; |
| | return fn.apply(this, arguments); |
| | } |
| | export function getStaticProps() { |
| | fn; |
| | } |
| | export default function Home() { return <div />; } |
| | `) |
| |
|
| | expect(output).toMatchInlineSnapshot( |
| | `"export var __N_SSG=true;export default function Home(){return __jsx("div",null);}"` |
| | ) |
| | }) |
| |
|
| | it('destructuring assignment (object)', () => { |
| | const output = babel(trim` |
| | import fs from 'fs'; |
| | import other from 'other'; |
| | |
| | const {readFile, readdir, access: foo} = fs.promises; |
| | const {a,b, cat: bar,...rem} = other; |
| | |
| | export async function getStaticProps() { |
| | readFile; |
| | readdir; |
| | foo; |
| | b; |
| | cat; |
| | rem; |
| | } |
| | export default function Home() { return <div />; } |
| | `) |
| |
|
| | expect(output).toMatchInlineSnapshot( |
| | `"import other from'other';const{a,cat:bar}=other;export var __N_SSG=true;export default function Home(){return __jsx("div",null);}"` |
| | ) |
| | }) |
| |
|
| | it('destructuring assignment (array)', () => { |
| | const output = babel(trim` |
| | import fs from 'fs'; |
| | import other from 'other'; |
| | |
| | const [a, b, ...rest]= fs.promises; |
| | const [foo, bar] = other; |
| | |
| | export async function getStaticProps() { |
| | a; |
| | b; |
| | rest; |
| | bar; |
| | } |
| | export default function Home() { return <div />; } |
| | `) |
| |
|
| | expect(output).toMatchInlineSnapshot( |
| | `"import other from'other';const[foo]=other;export var __N_SSG=true;export default function Home(){return __jsx("div",null);}"` |
| | ) |
| | }) |
| |
|
| | it('errors for incorrect mix of functions', () => { |
| | expect(() => |
| | babel(trim` |
| | export function getStaticProps() {} |
| | export function getServerSideProps() {} |
| | `) |
| | ).toThrow( |
| | `You can not use getStaticProps or getStaticPaths with getServerSideProps. To use SSG, please remove getServerSideProps` |
| | ) |
| |
|
| | expect(() => |
| | babel(trim` |
| | export function getServerSideProps() {} |
| | export function getStaticProps() {} |
| | `) |
| | ).toThrow( |
| | `You can not use getStaticProps or getStaticPaths with getServerSideProps. To use SSG, please remove getServerSideProps` |
| | ) |
| |
|
| | expect(() => |
| | babel(trim` |
| | export function getStaticPaths() {} |
| | export function getServerSideProps() {} |
| | `) |
| | ).toThrow( |
| | `You can not use getStaticProps or getStaticPaths with getServerSideProps. To use SSG, please remove getServerSideProps` |
| | ) |
| |
|
| | expect(() => |
| | babel(trim` |
| | export function getServerSideProps() {} |
| | export function getStaticPaths() {} |
| | `) |
| | ).toThrow( |
| | `You can not use getStaticProps or getStaticPaths with getServerSideProps. To use SSG, please remove getServerSideProps` |
| | ) |
| | }) |
| | }) |
| | }) |
| |
|
