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fix(cli): throw error with proper code for failed imports (#5478)

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This commit is contained in:
Pooya Parsa 2019-04-07 14:55:53 +04:30 committed by Xin Du (Clark)
parent dc14200bbf
commit e88e998d70
2 changed files with 14 additions and 22 deletions
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21
packages/cli/src/imports.js
View File

@ -1,28 +1,25 @@
import path from 'path'
import consola from 'consola'
const localNodeModules = path.resolve(process.cwd(), 'node_modules')
// Prefer importing modules from local node_modules (for NPX and global bin)
async function _import(modulePath) {
let m
for (const mp of [ path.resolve(localNodeModules, modulePath), modulePath ]) {
for (const mp of [
path.resolve(localNodeModules, modulePath),
modulePath
]) {
try {
m = await import(mp)
return await import(mp)
} catch (e) {
if (e.code !== 'MODULE_NOT_FOUND') {
throw e
} else if (mp === modulePath) {
consola.fatal(
`Module ${modulePath} not found.\n\n`,
`Please install missing dependency:\n\n`,
`Using npm: npm i ${modulePath}\n\n`,
`Using yarn: yarn add ${modulePath}`
)
}
}
}
return m
const error = new Error(`Cannot import module '${modulePath}'`)
error.code = 'MODULE_NOT_FOUND'
throw error
}
export const builder = () => _import('@nuxt/builder')

15
packages/cli/test/unit/imports.test.js
View File

@ -1,4 +1,3 @@
import consola from 'consola'
import { importModule } from '../../src/imports'
describe('imports', () => {
@ -8,15 +7,11 @@ describe('imports', () => {
test('should import core module', async () => {
await expect(importModule('path')).resolves.toBeDefined()
})
test('should print error when module not found', async () => {
await expect(importModule('not-found-module')).resolves.toBeUndefined()
expect(consola.fatal).toHaveBeenCalled()
expect(consola.fatal).toHaveBeenCalledWith(
`Module not-found-module not found.\n\n`,
`Please install missing dependency:\n\n`,
`Using npm: npm i not-found-module\n\n`,
`Using yarn: yarn add not-found-module`
)
test('should throw error with proper code when module not found', async () => {
await expect(importModule('not-found-module')).rejects.toMatchObject({
message: `Cannot import module 'not-found-module'`,
code: 'MODULE_NOT_FOUND'
})
})
test('should throw error when error is not module not found', async () => {
await expect(importModule('jest/README.md')).rejects.toThrow()