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import { createNext, FileRef } from 'e2e-utils'
import { NextInstance } from 'e2e-utils'
import {
assertHasRedbox,
assertNoRedbox,
check,
renderViaHTTP,
getRedboxSource,
} from 'next-test-utils'
import cheerio from 'cheerio'
import { join } from 'path'
import webdriver from 'next-webdriver'
import fs from 'fs-extra'
describe('tsconfig-path-reloading', () => {
let next: NextInstance
const tsConfigFile = 'tsconfig.json'
const indexPage = 'pages/index.tsx'
function runTests({ addAfterStart }: { addAfterStart?: boolean }) {
beforeAll(async () => {
let tsConfigContent = await fs.readFile(
join(__dirname, 'app/tsconfig.json'),
'utf8'
)
next = await createNext({
files: {
components: new FileRef(join(__dirname, 'app/components')),
pages: new FileRef(join(__dirname, 'app/pages')),
lib: new FileRef(join(__dirname, 'app/lib')),
...(addAfterStart
? {}
: {
[tsConfigFile]: tsConfigContent,
}),
},
dependencies: {
typescript: 'latest',
'@types/react': 'latest',
'@types/node': 'latest',
},
})
if (addAfterStart) {
await next.patchFile(tsConfigFile, tsConfigContent)
}
})
afterAll(() => next.destroy())
it('should load with initial paths config correctly', async () => {
const html = await renderViaHTTP(next.url, '/')
const $ = cheerio.load(html)
expect(html).toContain('first button')
expect(html).toContain('second button')
expect($('#first-data').text()).toContain(
JSON.stringify({
hello: 'world',
})
)
})
it('should recover from module not found when paths is updated', async () => {
const indexContent = await next.readFile(indexPage)
const tsconfigContent = await next.readFile(tsConfigFile)
const parsedTsConfig = JSON.parse(tsconfigContent)
const browser = await webdriver(next.url, '/')
try {
const html = await browser.eval('document.documentElement.innerHTML')
expect(html).toContain('first button')
expect(html).toContain('second button')
expect(html).toContain('id="first-data"')
expect(html).not.toContain('id="second-data"')
await next.patchFile(
indexPage,
`import {secondData} from "@lib/second-data"\n${indexContent.replace(
'</p>',
`</p><p id="second-data">{JSON.stringify(secondData)}</p>`
)}`
)
await assertHasRedbox(browser)
expect(await getRedboxSource(browser)).toContain("'@lib/second-data'")
await next.patchFile(
tsConfigFile,
JSON.stringify(
{
...parsedTsConfig,
compilerOptions: {
...parsedTsConfig.compilerOptions,
paths: {
...parsedTsConfig.compilerOptions.paths,
'@lib/*': ['lib/first-lib/*', 'lib/second-lib/*'],
},
},
},
null,
2
)
)
await assertNoRedbox(browser)
const html2 = await browser.eval('document.documentElement.innerHTML')
expect(html2).toContain('first button')
expect(html2).toContain('second button')
expect(html2).toContain('first-data')
expect(html2).toContain('second-data')
} finally {
await next.patchFile(indexPage, indexContent)
await next.patchFile(tsConfigFile, tsconfigContent)
await check(async () => {
const html3 = await browser.eval('document.documentElement.innerHTML')
return html3.includes('id="first-data"') &&
!html3.includes('id="second-data"')
? 'success'
: html3
}, 'success')
}
})
it('should automatically fast refresh content when path is added without error', async () => {
const indexContent = await next.readFile(indexPage)
const tsconfigContent = await next.readFile(tsConfigFile)
const parsedTsConfig = JSON.parse(tsconfigContent)
const browser = await webdriver(next.url, '/')
try {
const html = await browser.eval('document.documentElement.innerHTML')
expect(html).toContain('first button')
expect(html).toContain('second button')
expect(html).toContain('first-data')
await next.patchFile(
tsConfigFile,
JSON.stringify(
{
...parsedTsConfig,
compilerOptions: {
...parsedTsConfig.compilerOptions,
paths: {
...parsedTsConfig.compilerOptions.paths,
'@myotherbutton': ['components/button-3.tsx'],
},
},
},
null,
2
)
)
await next.patchFile(
indexPage,
indexContent.replace('@mybutton', '@myotherbutton')
)
await assertNoRedbox(browser)
await check(async () => {
const html2 = await browser.eval('document.documentElement.innerHTML')
expect(html2).toContain('first button')
expect(html2).not.toContain('second button')
expect(html2).toContain('third button')
expect(html2).toContain('first-data')
return 'success'
}, 'success')
} finally {
await next.patchFile(indexPage, indexContent)
await next.patchFile(tsConfigFile, tsconfigContent)
await check(async () => {
const html3 = await browser.eval('document.documentElement.innerHTML')
return html3.includes('first button') &&
!html3.includes('third button')
? 'success'
: html3
}, 'success')
}
})
}
describe('tsconfig', () => {
runTests({})
})
describe('tsconfig added after starting dev', () => {
runTests({ addAfterStart: true })
})
})
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