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98 lines
1.3 KiB
Text
98 lines
1.3 KiB
Text
---
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description: 'Disallow unnecessary namespace qualifiers.'
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---
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> 🛑 This file is source code, not the primary documentation location! 🛑
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>
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> See **https://typescript-eslint.io/rules/no-unnecessary-qualifier** for documentation.
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## Rule Details
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This rule aims to let users know when a namespace or enum qualifier is unnecessary,
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whether used for a type or for a value.
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Examples of code for this rule:
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<!--tabs-->
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### ❌ Incorrect
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```ts
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namespace A {
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export type B = number;
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const x: A.B = 3;
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}
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```
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```ts
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namespace A {
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export const x = 3;
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export const y = A.x;
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}
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```
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```ts
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enum A {
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B,
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C = A.B,
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}
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```
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```ts
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namespace A {
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export namespace B {
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export type T = number;
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const x: A.B.T = 3;
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}
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}
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```
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### ✅ Correct
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```ts
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namespace X {
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export type T = number;
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}
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namespace Y {
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export const x: X.T = 3;
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}
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```
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```ts
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enum A {
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X,
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Y,
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}
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enum B {
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Z = A.X,
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}
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```
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```ts
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namespace X {
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export type T = number;
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namespace Y {
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type T = string;
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const x: X.T = 0;
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}
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}
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```
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## Options
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```jsonc
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// .eslintrc.json
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{
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"rules": {
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"@typescript-eslint/no-unnecessary-qualifier": "warn"
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}
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}
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```
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This rule is not configurable.
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## When Not To Use It
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If you don't care about having unneeded namespace or enum qualifiers, then you don't need to use this rule.
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