no-const-assign

NOTE: this rule is part of the recommended rule set.

Enable full set in deno.json:

{
  "lint": {
    "rules": {
      "tags": ["recommended"]
    }
  }
}

Enable full set using the Deno CLI:

deno lint --rules-tags=recommended

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-const-assign"],
      "exclude": ["no-const-assign"]
    }
  }
}

禁止修改声明为 const 的变量。

修改声明为 const 的变量将导致运行时错误。

无效：

const a = 0;
a = 1;
a += 1;
a++;
++a;

有效：

const a = 0;
const b = a + 1;

// `c` 在每次循环迭代中超出作用域，允许新的赋值
for (const c in [1, 2, 3]) {}

no-const-assign

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