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import.spec.ts
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import.spec.ts
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import { beforeEach, describe, expect, test, vi } from 'vitest'
import { transformCjsImport } from '../../plugins/importAnalysis'
describe('transformCjsImport', () => {
const url = './node_modules/.vite/deps/react.js'
const rawUrl = 'react'
const config: any = {
command: 'serve',
logger: {
warn: vi.fn(),
},
}
beforeEach(() => {
config.logger.warn.mockClear()
})
test('import specifier', () => {
expect(
transformCjsImport(
'import { useState, Component } from "react"',
url,
rawUrl,
0,
config,
),
).toBe(
'import __vite__cjsImport0_react from "./node_modules/.vite/deps/react.js"; ' +
'const useState = __vite__cjsImport0_react["useState"]; ' +
'const Component = __vite__cjsImport0_react["Component"]',
)
})
test('import default specifier', () => {
expect(
transformCjsImport('import React from "react"', url, rawUrl, 0, config),
).toBe(
'import __vite__cjsImport0_react from "./node_modules/.vite/deps/react.js"; ' +
'const React = __vite__cjsImport0_react.__esModule ? __vite__cjsImport0_react.default : __vite__cjsImport0_react',
)
expect(
transformCjsImport(
'import { default as React } from "react"',
url,
rawUrl,
0,
config,
),
).toBe(
'import __vite__cjsImport0_react from "./node_modules/.vite/deps/react.js"; ' +
'const React = __vite__cjsImport0_react.__esModule ? __vite__cjsImport0_react.default : __vite__cjsImport0_react',
)
})
test('import all specifier', () => {
expect(
transformCjsImport(
'import * as react from "react"',
url,
rawUrl,
0,
config,
),
).toBe(
'import __vite__cjsImport0_react from "./node_modules/.vite/deps/react.js"; ' +
'const react = __vite__cjsImport0_react',
)
})
test('export all specifier', () => {
expect(
transformCjsImport('export * from "react"', url, rawUrl, 0, config),
).toBe(undefined)
expect(config.logger.warn).toBeCalledWith(
expect.stringContaining(`export * from "react"`),
)
expect(
transformCjsImport(
'export * as react from "react"',
url,
rawUrl,
0,
config,
),
).toBe(undefined)
expect(config.logger.warn).toBeCalledTimes(1)
})
test('export name specifier', () => {
expect(
transformCjsImport(
'export { useState, Component } from "react"',
url,
rawUrl,
0,
config,
),
).toBe(
'import __vite__cjsImport0_react from "./node_modules/.vite/deps/react.js"; ' +
'const __vite__cjsExport_useState = __vite__cjsImport0_react["useState"]; ' +
'const __vite__cjsExport_Component = __vite__cjsImport0_react["Component"]; ' +
'export { __vite__cjsExport_useState as useState, __vite__cjsExport_Component as Component }',
)
expect(
transformCjsImport(
'export { useState as useStateAlias, Component as ComponentAlias } from "react"',
url,
rawUrl,
0,
config,
),
).toBe(
'import __vite__cjsImport0_react from "./node_modules/.vite/deps/react.js"; ' +
'const __vite__cjsExport_useStateAlias = __vite__cjsImport0_react["useState"]; ' +
'const __vite__cjsExport_ComponentAlias = __vite__cjsImport0_react["Component"]; ' +
'export { __vite__cjsExport_useStateAlias as useStateAlias, __vite__cjsExport_ComponentAlias as ComponentAlias }',
)
})
test('export default specifier', () => {
expect(
transformCjsImport(
'export { default } from "react"',
url,
rawUrl,
0,
config,
),
).toBe(
'import __vite__cjsImport0_react from "./node_modules/.vite/deps/react.js"; ' +
'const __vite__cjsExportDefault_0 = __vite__cjsImport0_react.__esModule ? __vite__cjsImport0_react.default : __vite__cjsImport0_react; ' +
'export default __vite__cjsExportDefault_0',
)
expect(
transformCjsImport(
'export { default as React} from "react"',
url,
rawUrl,
0,
config,
),
).toBe(
'import __vite__cjsImport0_react from "./node_modules/.vite/deps/react.js"; ' +
'const __vite__cjsExport_React = __vite__cjsImport0_react.__esModule ? __vite__cjsImport0_react.default : __vite__cjsImport0_react; ' +
'export { __vite__cjsExport_React as React }',
)
expect(
transformCjsImport(
'export { Component as default } from "react"',
url,
rawUrl,
0,
config,
),
).toBe(
'import __vite__cjsImport0_react from "./node_modules/.vite/deps/react.js"; ' +
'const __vite__cjsExportDefault_0 = __vite__cjsImport0_react["Component"]; ' +
'export default __vite__cjsExportDefault_0',
)
})
})