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a7c24aca6f
Fixes #64018 Adds support for modern configurations introduced in TS 5.4 Expected output: not modifying the `module`, `esModuleInterop` configs since `module: preserve` is present ``` We detected TypeScript in your project and reconfigured your tsconfig.json file for you. Strict-mode is set to false by default. The following suggested values were added to your tsconfig.json. These values can be changed to fit your project's n eeds: - lib was set to dom,dom.iterable,esnext - allowJs was set to true - skipLibCheck was set to true - strict was set to false - noEmit was set to true - incremental was set to true - include was set to ['next-env.d.ts', '**/*.ts', '**/*.tsx'] - exclude was set to ['node_modules'] The following mandatory changes were made to your tsconfig.json: - isolatedModules was set to true (requirement for SWC / Babel) - jsx was set to preserve (next.js implements its own optimized jsx transform) ``` --------- Co-authored-by: Jiachi Liu <[email protected]>
66 lines
1.6 KiB
TypeScript
66 lines
1.6 KiB
TypeScript
import { nextTestSetup } from 'e2e-utils'
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import { retry } from 'next-test-utils'
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import stripAnsi from 'strip-ansi'
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describe('tsconfig module: preserve', () => {
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const { next } = nextTestSetup({
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files: {
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'tsconfig.json': JSON.stringify({
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compilerOptions: { module: 'preserve' },
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}),
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'pages/index.tsx': `
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export default function Page() {
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return <p>hello world</p>
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}
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`,
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},
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dependencies: {
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typescript: '5.4.4',
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},
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})
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it('allows you to skip moduleResolution, esModuleInterop and resolveJsonModule when using "module: preserve"', async () => {
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let output = ''
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await retry(() => {
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output = stripAnsi(next.cliOutput)
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expect(output).toContain(
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'The following mandatory changes were made to your tsconfig.json'
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)
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})
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expect(output).not.toContain('moduleResolution')
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expect(output).not.toContain('esModuleInterop')
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expect(output).not.toContain('resolveJsonModule')
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expect(await next.readFile('tsconfig.json')).toMatchInlineSnapshot(`
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"{
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"compilerOptions": {
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"module": "preserve",
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"lib": [
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"dom",
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"dom.iterable",
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"esnext"
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],
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"allowJs": true,
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"skipLibCheck": true,
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"strict": false,
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"noEmit": true,
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"incremental": true,
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"isolatedModules": true,
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"jsx": "preserve"
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},
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"include": [
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"next-env.d.ts",
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"**/*.ts",
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"**/*.tsx"
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],
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"exclude": [
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"node_modules"
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]
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}
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"
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`)
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})
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})
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