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find-page-file.test.ts
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find-page-file.test.ts
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/* eslint-env jest */
import {
findPageFile,
isLayoutsLeafPage,
} from 'next/dist/server/lib/find-page-file'
import { normalizePagePath } from 'next/dist/shared/lib/page-path/normalize-page-path'
import { join } from 'path'
const resolveDataDir = join(__dirname, 'isolated', '_resolvedata')
const dirWithPages = join(resolveDataDir, 'readdir', 'pages')
describe('findPageFile', () => {
it('should work', async () => {
const pagePath = normalizePagePath('/nav/about')
const result = await findPageFile(
dirWithPages,
pagePath,
['jsx', 'js'],
false
)
expect(result).toMatch(/^[\\/]nav[\\/]about\.js/)
})
it('should work with nested index.js', async () => {
const pagePath = normalizePagePath('/nested')
const result = await findPageFile(
dirWithPages,
pagePath,
['jsx', 'js'],
false
)
expect(result).toMatch(/^[\\/]nested[\\/]index\.js/)
})
it('should prefer prefered.js before preferred/index.js', async () => {
const pagePath = normalizePagePath('/prefered')
const result = await findPageFile(
dirWithPages,
pagePath,
['jsx', 'js'],
false
)
expect(result).toMatch(/^[\\/]prefered\.js/)
})
})
describe('isLayoutsLeafPage', () => {
const pageExtensions = ['tsx', 'ts', 'jsx', 'js']
it('should determine either server or client component page file as leaf node page', () => {
expect(isLayoutsLeafPage('page.js', pageExtensions)).toBe(true)
expect(isLayoutsLeafPage('./page.js', pageExtensions)).toBe(true)
expect(isLayoutsLeafPage('./page.jsx', pageExtensions)).toBe(true)
expect(isLayoutsLeafPage('/page.ts', pageExtensions)).toBe(true)
expect(isLayoutsLeafPage('/path/page.tsx', pageExtensions)).toBe(true)
expect(isLayoutsLeafPage('\\path\\page.tsx', pageExtensions)).toBe(true)
expect(isLayoutsLeafPage('.\\page.jsx', pageExtensions)).toBe(true)
expect(isLayoutsLeafPage('\\page.js', pageExtensions)).toBe(true)
})
it('should determine other files under layout routes as non leaf node', () => {
expect(isLayoutsLeafPage('./not-a-page.js', pageExtensions)).toBe(false)
expect(isLayoutsLeafPage('not-a-page.js', pageExtensions)).toBe(false)
expect(isLayoutsLeafPage('./page.component.jsx', pageExtensions)).toBe(
false
)
expect(isLayoutsLeafPage('layout.js', pageExtensions)).toBe(false)
expect(isLayoutsLeafPage('page', pageExtensions)).toBe(false)
})
})