noEmptyPattern

诊断类别：lint/correctness/noEmptyPattern

¥Diagnostic Category: lint/correctness/noEmptyPattern

JavaScript (and super languages)

自从：v1.0.0

¥Since: v1.0.0

来源：

¥Sources:

与以下相同：no-empty-pattern

¥Same as: no-empty-pattern

禁止空的解构模式。

¥Disallows empty destructuring patterns.

示例

¥Examples

无效

¥Invalid

var {} = foo;

code-block.js:1:5 lint/correctness/noEmptyPattern ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ✖ Unexpected empty object pattern.
  
  > 1 │ var {} = foo;
      │     ^^
    2 │

var {a: {}} = foo;

code-block.js:1:9 lint/correctness/noEmptyPattern ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ✖ Unexpected empty object pattern.
  
  > 1 │ var {a: {}} = foo;
      │         ^^
    2 │

function foo({}) {}

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

  ✖ Unexpected empty object pattern.
  
  > 1 │ function foo({}) {}
      │              ^^
    2 │

有效

¥Valid

以下情况有效，因为它们会创建新的绑定。

¥The following cases are valid because they create new bindings.

var {a = {}} = foo;
var {a, b = {}} = foo;
var {a = []} = foo;
function foo({a = {}}) {}
function foo({a = []}) {}
var [a] = foo;

noEmptyPattern

示例

无效

有效

相关链接