type/no-generated-empty-object-type

Disallow empty object types generated by type operations.

Applies to: Type information in Vue SFC scripts and templates, for the constructs shown below.

This rule reads type information from your TypeScript project (tsconfig.json), so the configuration sets typeAware: true. typeAware does not turn on opt-in rules by itself.

Bad

Omit drops the only key, so the alias resolves to an empty object type.

<script setup lang="ts">
type Emptied = Omit<{ a: number }, "a">;
</script>

Good

Omit drops a and still leaves b, so the alias is not an empty object type.

<script setup lang="ts">
type Kept = Omit<{ a: number; b: string }, "a">;
</script>

Configuration (Vite+)

import { defineConfig } from "@vizejs/vite-plugin/vite-plus";

export default defineConfig({}).withVue({
  linter: {
    "preset": "incremental",
    "rules": {
      "type/no-generated-empty-object-type": "warn"
    },
    "typeAware": true
  },
});

Then run vp run lint.

Related

• Type and script rules
• All rules
• Source code