noShadowRestrictedNames

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Diagnostic Category: lint/suspicious/noShadowRestrictedNames

JavaScript (and super languages)

Since: v1.0.0

Sources:

Same as: no-shadow-restricted-names

Description

Disallow identifiers from shadowing restricted names.

Examples

Invalid

function NaN() {}

code-block.js:1:10 lint/suspicious/noShadowRestrictedNames ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ✖ Do not shadow the global “NaN” property.
  
  > 1 │ function NaN() {}
      │          ^^^
    2 │ 
  
  ℹ Consider renaming this variable. It’s easy to confuse the origin of variables when they’re named after a known global.

let Set;

code-block.js:1:5 lint/suspicious/noShadowRestrictedNames ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ✖ Do not shadow the global “Set” property.
  
  > 1 │ let Set;
      │     ^^^
    2 │ 
  
  ℹ Consider renaming this variable. It’s easy to confuse the origin of variables when they’re named after a known global.

try {  } catch(Object) {}

code-block.js:1:15 lint/suspicious/noShadowRestrictedNames ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ✖ Do not shadow the global “Object” property.
  
  > 1 │ try {	} catch(Object) {}
      │      	        ^^^^^^
    2 │ 
  
  ℹ Consider renaming this variable. It’s easy to confuse the origin of variables when they’re named after a known global.

function Array() {}

code-block.js:1:10 lint/suspicious/noShadowRestrictedNames ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ✖ Do not shadow the global “Array” property.
  
  > 1 │ function Array() {}
      │          ^^^^^
    2 │ 
  
  ℹ Consider renaming this variable. It’s easy to confuse the origin of variables when they’re named after a known global.

function test(JSON) {console.log(JSON)}

code-block.js:1:15 lint/suspicious/noShadowRestrictedNames ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ✖ Do not shadow the global “JSON” property.
  
  > 1 │ function test(JSON) {console.log(JSON)}
      │               ^^^^
    2 │ 
  
  ℹ Consider renaming this variable. It’s easy to confuse the origin of variables when they’re named after a known global.

How to configure

{
  "linter": {
    "rules": {
      "suspicious": {
        "noShadowRestrictedNames": "error"
      }
    }
  }
}