noInvalidBuiltinInstantiation

JavaScript (and super languages)

摘要

¥Summary

规则生效日期：v1.7.2

¥Rule available since: v1.7.2
诊断类别：lint/correctness/noInvalidBuiltinInstantiation

¥Diagnostic Category: lint/correctness/noInvalidBuiltinInstantiation
此规则为推荐规则，默认启用。

¥This rule is recommended, which means is enabled by default.
此规则包含 unsafe 修复程序。

¥This rule has an unsafe fix.
此规则的默认严重级别为 error。

¥The default severity of this rule is error.
来源：

¥Sources:
- 与 unicorn/new-for-builtins 相同
  
  ¥Same as unicorn/new-for-builtins
- 与 no-new-native-nonconstructor 相同
  
  ¥Same as no-new-native-nonconstructor

如何配置

¥How to configure

1
{
2
  "linter": {
3
    "rules": {
4
      "correctness": {
5
        "noInvalidBuiltinInstantiation": "error"
6
      }
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    }
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  }
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}

描述

¥Description

确保内置函数正确实例化。

¥Ensure that builtins are correctly instantiated.

以下内置函数需要实例化 new：

¥The following builtins require new to be instantiate:

ArrayBuffer
BigInt64Array
BigUint64Array
DataView
FinalizationRegistry
Float32Array
Float64Array
Int16Array
Int32Array
Int8Array
地图

¥Map
Promise
代理

¥Proxy
设置

¥Set
SharedArrayBuffer
Uint16Array
Uint32Array
Uint8Array
Uint8ClampedArray
WeakMap
WeakRef
WeakSet

相反，以下内置函数不能用 new 建立：

¥Conversely, the following builtins cannot be instaiated with new:

BigInt
符号

¥Symbol

示例

¥Examples

无效

¥Invalid

1
const text = new BigInt(1);

code-block.js:1:14 lint/correctness/noInvalidBuiltinInstantiation  FIXABLE  ━━━━━━━━━━━━━━━━━━━━━━━━

  ✖ Use BigInt() instead of new BigInt().
  
  > 1 │ const text = new BigInt(1);
      │              ^^^^^^^^^^^^^
    2 │ 
  
  ℹ Unsafe fix: Remove new keyword.
  
    1 │ const·text·=·new·BigInt(1);
      │              ----

1
const map = Map([
2
  ['foo', 'bar']
3
]);

code-block.js:1:13 lint/correctness/noInvalidBuiltinInstantiation  FIXABLE  ━━━━━━━━━━━━━━━━━━━━━━━━

  ✖ Use new Map() instead of Map().
  
  > 1 │ const map = Map([
      │             ^^^^^
  > 2 │   [‘foo’, ‘bar’]
  > 3 │ ]);
      │ ^^
    4 │ 
  
  ℹ Unsafe fix: Add new keyword.
  
    1 │ const·map·=·new·Map([
      │             ++++

有效

¥Valid

1
const text = BigInt(1);

1
const map = new Map([
2
 ['foo', 'bar']
3
]);

noInvalidBuiltinInstantiation

摘要

如何配置

描述

示例

无效

有效

相关链接