no-cond-assign

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

禁止在条件语句中使用赋值操作符 =。

在条件语句中使用赋值操作符通常是因为误打了相等运算符 ==。如果在条件语句中确实需要赋值，则此规则允许通过将赋值放入括号中来实现。

无效：

let x;
if (x = 0) {
  let b = 1;
}

function setHeight(someNode) {
  do {
    someNode.height = "100px";
  } while (someNode = someNode.parentNode);
}

有效：

let x;
if (x === 0) {
  let b = 1;
}

function setHeight(someNode) {
  do {
    someNode.height = "100px";
  } while ((someNode = someNode.parentNode));
}

no-cond-assign

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