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default-param-last.md

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规则名 规则类型
default-param-last
suggestion

Putting default parameter at last allows function calls to omit optional tail arguments.

// Correct: optional argument can be omitted
function createUser(id, isAdmin = false) {}
createUser("tabby")

// Incorrect: optional argument can **not** be omitted
function createUser(isAdmin = false, id) {}
createUser(undefined, "tabby")

规则详解

This rule enforces default parameters to be the last of parameters.

此规则的 错误 代码实例:

/* eslint default-param-last: ["error"] */

function f(a = 0, b) {}

function f(a, b = 0, c) {}

此规则的 正确 代码实例:

::: correct

/* eslint default-param-last: ["error"] */

function f(a, b = 0) {}