noNewSymbol
このコンテンツはまだ日本語訳がありません。
Diagnostic Category: lint/correctness/noNewSymbol
Since: v1.0.0
Sources:
- Same as:
no-new-symbol
Disallow 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 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
⚠ 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();}