noNewSymbol
Summary
Section titled Summary- Rule available since:
v1.0.0 - Diagnostic Category:
lint/correctness/noNewSymbol - This rule has an unsafe fix.
- The default severity of this rule is information.
- Sources:
- Same as
no-new-symbol
- Same as
Description
Section titled DescriptionDisallow new operators with the Symbol object.
Symbol cannot be instantiated. This results in throwing a TypeError.
Examples
Section titled ExamplesInvalid
Section titled Invalidvar foo = new Symbol('foo');code-block.js:1:11 lint/correctness/noNewSymbol FIXABLE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
ℹ Symbol cannot be called as a constructor.
> 1 │ var foo = new Symbol(‘foo’);
│ ^^^^^^^^^^^^^^^^^
2 │
ℹ Unsafe fix: Remove new.
1 │ var·foo·=·new·Symbol(‘foo’);
│ ----
Valid
Section titled Validvar bar = Symbol('bar');function baz() { function Symbol() { } new Symbol();}How to configure
Section titled How to configure{ "linter": { "rules": { "correctness": { "noNewSymbol": "error" } } }}