What strategies can I use to address the problem of 'unable to resolve import in '@/...'" in vitest?

Question

What strategies can I use to address the problem of 'unable to resolve import in '@/...'" in vitest?

I encountered an error related to a file path defined in the "vite.config.ts" file. Can you assist me with this issue?

Error Message:

FAIL  tests/utils/ConvertFromDomainToCountryCode.test.ts [ tests/utils/ConvertFromDomainToCountryCode.test.ts ]
Error: Failed to resolve import "@/constant" from "src/assets/ts/_utils/ConvertFromDomainToCountryCode.ts". Does the file exist?

ConvertFromDomainToCountryCode.test.ts

file

import { describe, expect } from "vitest";
import { SetFlags } from "../../src/assets/ts/_utils/ConvertFromDomainToCountryCode.ts";

describe("Convert From Domain To CountryCode", () => {
  test("function defined", () => {
    expect(SetFlags).toBeDefined();
  });
});

It works fine when I use the file path "../../../constant/index".

ConvertFromDomainToCountryCode.ts

file

import { COUNTRY_INFO } from "@/constant";

I have added an "alias".

vite.config.ts file

import { fileURLToPath, URL } from "node:url";

import { defineConfig } from "vite";
import vue from "@vitejs/plugin-vue";
import { resolve, dirname } from "node:path";
import vueJsx from "@vitejs/plugin-vue-jsx";

export default defineConfig({
  plugins: [
    vue(),
    vueJsx()
  ],
  resolve: {
    alias: {
      "@/": fileURLToPath(new URL("./src", import.meta.url))
    }
  },
  base: "/"
});

System

OS: macOS 13.2.1
CPU: (8) arm64 Apple M1 Pro
Memory: 91.50 MB / 16.00 GB
Shell: 5.8.1 - /bin/zsh
Binaries:
Node: 16.18.1 - ~/.nvm/versions/node/v16.18.1/bin/node
Yarn: 1.22.19 - ~/.nvm/versions/node/v16.18.1/bin/yarn
npm: 8.19.2 - ~/.nvm/versions/node/v16.18.1/bin/npm
Browsers:
Chrome: 111.0.5563.64
Safari: 16.3
npmPackages:
@vitejs/plugin-vue: ^3.1.2 => 3.2.0
@vitejs/plugin-vue-jsx: ^3.0.0 => 3.0.0
@vitest/coverage-istanbul: ^0.29.3 => 0.29.3
vite: ^3.1.8 => 3.2.5
vitest: ^0.29.3 => 0.29.3

Currently waiting for the file path to be located.

javascript typescript vue.js vite vitest

Answer 1

Answer №1

After some troubleshooting, I successfully resolved this issue by including the following code snippet in the vitest.config.ts file:

resolve: {
  alias: [{ find: "@", replacement: resolve(__dirname, "./src") }]
}

Answer 2

After some troubleshooting, I successfully resolved this issue by including the following code snippet in the vitest.config.ts file:

resolve: {
  alias: [{ find: "@", replacement: resolve(__dirname, "./src") }]
}

Answer 3

Answer №2

Encountered a similar issue and found a solution that worked, but wanted to share an additional tip. You can also include the import resolve statement from the path module:

import { resolve } from 'path'

If you have not defined the "@" symbol in your tsconfig file but need to specify dynamic paths for certain folders, you can do so by including the following configuration:

resolve: {
  alias: [{ 
    find: "@server", 
    replacement: resolve(__dirname, './src/server/') 
  }]
}

Answer 4

Encountered a similar issue and found a solution that worked, but wanted to share an additional tip. You can also include the import resolve statement from the path module:

import { resolve } from 'path'

If you have not defined the "@" symbol in your tsconfig file but need to specify dynamic paths for certain folders, you can do so by including the following configuration:

resolve: {
  alias: [{ 
    find: "@server", 
    replacement: resolve(__dirname, './src/server/') 
  }]
}

Answer 5

Answer №3

I found success with the utilization of vite-tsconfig-paths. This method allows for the automatic reading of aliases set in tsconfig.json within the vitest.config.ts file.

Begin by executing

npm install vite-tsconfig-paths --save-dev

Make adjustments to vitest.config.ts:

import { defineConfig } from 'vitest/config';
import { defineConfig as viteDefineConfig } from 'vite';
import tsconfigPaths from 'vite-tsconfig-paths';

export default defineConfig(
  viteDefineConfig({
    // ... other Vite configurations
    plugins: [tsconfigPaths()],
  }),
);

Answer 6

I found success with the utilization of vite-tsconfig-paths. This method allows for the automatic reading of aliases set in tsconfig.json within the vitest.config.ts file.

Begin by executing

npm install vite-tsconfig-paths --save-dev

Make adjustments to vitest.config.ts:

import { defineConfig } from 'vitest/config';
import { defineConfig as viteDefineConfig } from 'vite';
import tsconfigPaths from 'vite-tsconfig-paths';

export default defineConfig(
  viteDefineConfig({
    // ... other Vite configurations
    plugins: [tsconfigPaths()],
  }),
);

Answer 7

Answer №4

While working on my code that utilized Material UI icons (v5), I ran into an issue with the default import of material icons provided by Material UI 4. The import statement I initially used was:

import CheckCircleIcon from '@mui/icons-material/CheckCircle';

The error message I encountered was:

[plugin:vite:import-analysis] Failed to resolve import "@mui/icons-material/CheckCircle" from "src/auth/components/Pricing/PricingTable.tsx". Does the file exist?

Since my code was based on Material UI version 4, I had to adjust the import statement to:

import CheckCircleIcon from "@material-ui/icons/CheckCircle";

After making this update, the issue was resolved, and the component functioned as intended.

Answer 8

While working on my code that utilized Material UI icons (v5), I ran into an issue with the default import of material icons provided by Material UI 4. The import statement I initially used was:

import CheckCircleIcon from '@mui/icons-material/CheckCircle';

The error message I encountered was:

[plugin:vite:import-analysis] Failed to resolve import "@mui/icons-material/CheckCircle" from "src/auth/components/Pricing/PricingTable.tsx". Does the file exist?

Since my code was based on Material UI version 4, I had to adjust the import statement to:

import CheckCircleIcon from "@material-ui/icons/CheckCircle";

After making this update, the issue was resolved, and the component functioned as intended.

Answer 9

Answer №5

After trying multiple solutions without success, I finally found the one that resolved my issue:

import { defineConfig } from 'vite';
import path from "node:path";

export default defineConfig({
  resolve: {
    alias: {
      '@': path.resolve(__dirname, 'src'),
    },
  },
});

Answer 10

After trying multiple solutions without success, I finally found the one that resolved my issue:

import { defineConfig } from 'vite';
import path from "node:path";

export default defineConfig({
  resolve: {
    alias: {
      '@': path.resolve(__dirname, 'src'),
    },
  },
});

What strategies can I use to address the problem of 'unable to resolve import in '@/...'" in vitest?

System

Answer №1

Answer №2

Answer №3

Answer №4

Answer №5

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