no-await-in-sync-fn

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-await-in-sync-fn"],
      "exclude": ["no-await-in-sync-fn"]
    }
  }
}

禁止在非异步函数中使用 await 关键字。

在非异步函数中使用 await 关键字是语法错误。要在函数内部使用 await，必须通过 async 关键字将该函数标记为异步。

无效：

function foo() {
  await bar();
}

const fooFn = function foo() {
  await bar();
};

const fooFn = () => {
  await bar();
};

有效：

async function foo() {
  await bar();
}

const fooFn = async function foo() {
  await bar();
};

const fooFn = async () => {
  await bar();
};

no-await-in-sync-fn

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