Module is not defined in Vue project

Question

I just created a new Vue application by running npm init vue@latest as specified in the official documentation. I then tried to add Tailwind to my application following the guides on the Vue and Vite websites. However, when opening the file tailwind.config.js, I noticed that ESLint tells me that module is undefined and the module.exports syntax does not work.

why is that? How can I solve it?

Edit: The default .eslintrc.cjs file created by Vue is as follows:

/* eslint-env node */
require("@rushstack/eslint-patch/modern-module-resolution");

module.exports = {
  root: true,
  extends: [
    "plugin:vue/vue3-essential",
    "eslint:recommended",
    "@vue/eslint-config-prettier",
  ],
  parserOptions: {
    ecmaVersion: "latest",
  },
};

Answer 1

Consider using

• .eslintrc.cjs

  …
    overrides: [
      {
        files: ["{vue,vite}.config.*"],
        env: {
          node: true,
        },
      },
    ],
  

and set the compilerOptions.types: ["node"] TS option only for these files.

---

It might look like this:

• .eslintrc.cjs

  /* eslint-env node */
  require("@rushstack/eslint-patch/modern-module-resolution");
  
  module.exports = {
    root: true,
    extends: [
      "plugin:vue/vue3-essential",
      "eslint:recommended",
      "@vue/eslint-config-typescript",
      "@vue/eslint-config-prettier",
    ],
    overrides: [
      {
        files: ["cypress/e2e/**/*.{cy,spec}.{js,ts,jsx,tsx}"],
        extends: ["plugin:cypress/recommended"],
      },
      {
        files: ["{vue,vite}.config.*"],
        env: {
          node: true,
        },
      },
    ],
    parserOptions: {
      ecmaVersion: "latest",
    },
  };

• tsconfig.config.json

  {
    "extends": "@vue/tsconfig/tsconfig.node.json",
    "include": ["vue.config.*", "vite.config.*", "vitest.config.*", "cypress.config.*", "playwright.config.*"],
    "compilerOptions": {
      "composite": true,
      "types": ["node"]
    }
  }
  

Answer 2

Add it to .eslintrc.cjs

env: {
  node: true,
},

So your file looks like

/* eslint-env node */
require("@rushstack/eslint-patch/modern-module-resolution");

module.exports = {
  root: true,
  env: {
    node: true,
  },
  extends: [
    "plugin:vue/vue3-essential",
    "eslint:recommended",
    "@vue/eslint-config-prettier",
  ],
  parserOptions: {
    ecmaVersion: "latest",
  },
};

You can add any of these values ​​