no-new-symbol
NOTE: this rule is part of the
推荐
rule set.Enable full set in
deno.json
:{ "lint": { "rules": { "tags": ["推荐"] } } }
Enable full set using the Deno CLI:
deno lint --rules-tags=推荐
This rule can be explictly included to or excluded from the rules present in the current tag by adding it to the
include
or exclude
array in deno.json
:{ "lint": { "rules": { "include": ["no-new-symbol"], "exclude": ["no-new-symbol"] } } }
禁止使用 new
操作符与内置的 Symbol
。
Symbol
是通过作为函数调用来创建的,但我们有时会错误地使用 new
操作符进行调用。该规则检测此类错误使用 new
操作符的情况。
无效:
const foo = new Symbol("foo");
有效:
const foo = Symbol("foo");
function func(Symbol: typeof SomeClass) {
// 这个 `Symbol` 不是内置的
const bar = new Symbol();
}