rsnext/test/unit/write-app-declarations.test.ts
Jiachi Liu 02c4ce1acf
refactor: rename isAppDirEnabled to hasAppDir (#62837)
app dir is always "enabled", but not always exists. Rename to the proper
word to describe. Found this confusion while developing other fetaures

Closes NEXT-2691
2024-03-05 18:58:53 +01:00

113 lines
3.1 KiB
TypeScript

/* eslint-env jest */
import os from 'os'
import fs from 'fs-extra'
import { join } from 'path'
import { writeAppTypeDeclarations } from 'next/dist/lib/typescript/writeAppTypeDeclarations'
const fixtureDir = join(__dirname, 'fixtures/app-declarations')
const declarationFile = join(fixtureDir, 'next-env.d.ts')
const imageImportsEnabled = false
describe('find config', () => {
beforeEach(async () => {
await fs.ensureDir(fixtureDir)
})
afterEach(() => fs.remove(declarationFile))
it('should preserve CRLF EOL', async () => {
const eol = '\r\n'
const content =
'/// <reference types="next" />' +
eol +
(imageImportsEnabled
? '/// <reference types="next/image-types/global" />' + eol
: '') +
eol +
'// NOTE: This file should not be edited' +
eol +
'// see https://nextjs.org/docs/basic-features/typescript for more information.' +
eol
await fs.writeFile(declarationFile, content)
await writeAppTypeDeclarations({
baseDir: fixtureDir,
imageImportsEnabled,
hasPagesDir: false,
hasAppDir: false,
})
expect(await fs.readFile(declarationFile, 'utf8')).toBe(content)
})
it('should preserve LF EOL', async () => {
const eol = '\n'
const content =
'/// <reference types="next" />' +
eol +
(imageImportsEnabled
? '/// <reference types="next/image-types/global" />' + eol
: '') +
eol +
'// NOTE: This file should not be edited' +
eol +
'// see https://nextjs.org/docs/basic-features/typescript for more information.' +
eol
await fs.writeFile(declarationFile, content)
await writeAppTypeDeclarations({
baseDir: fixtureDir,
imageImportsEnabled,
hasPagesDir: false,
hasAppDir: false,
})
expect(await fs.readFile(declarationFile, 'utf8')).toBe(content)
})
it('should use OS EOL by default', async () => {
const eol = os.EOL
const content =
'/// <reference types="next" />' +
eol +
(imageImportsEnabled
? '/// <reference types="next/image-types/global" />' + eol
: '') +
eol +
'// NOTE: This file should not be edited' +
eol +
'// see https://nextjs.org/docs/basic-features/typescript for more information.' +
eol
await writeAppTypeDeclarations({
baseDir: fixtureDir,
imageImportsEnabled,
hasPagesDir: false,
hasAppDir: false,
})
expect(await fs.readFile(declarationFile, 'utf8')).toBe(content)
})
it('should include navigation types if app directory is enabled', async () => {
await writeAppTypeDeclarations({
baseDir: fixtureDir,
imageImportsEnabled,
hasPagesDir: false,
hasAppDir: true,
})
await expect(fs.readFile(declarationFile, 'utf8')).resolves.not.toContain(
'next/navigation-types/compat/navigation'
)
await writeAppTypeDeclarations({
baseDir: fixtureDir,
imageImportsEnabled,
hasPagesDir: true,
hasAppDir: true,
})
await expect(fs.readFile(declarationFile, 'utf8')).resolves.toContain(
'next/navigation-types/compat/navigation'
)
})
})