one-var-declaration-per-line

要求或禁止在变量声明周围换行

一些该规则报告的问题可以通过 --fix 命令行选项 自动修复

一些开发人员在同一行声明多个 var 语句：

var foo, bar, baz;

其他人更喜欢每行声明一个 var。

var foo,
    bar,
    baz;

在项目的代码库中保持其中一种风格有助于保持代码的一致性。

规则详情

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选项

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initializations

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/*eslint one-var-declaration-per-line: ["error", "initializations"]*/
/*eslint-env es6*/

var a, b, c = 0;

let a,
    b = 0, c;

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/*eslint one-var-declaration-per-line: ["error", "initializations"]*/
/*eslint-env es6*/

var a, b;

let a,
    b;

let a,
    b = 0;

always

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/*eslint one-var-declaration-per-line: ["error", "always"]*/
/*eslint-env es6*/

var a, b;

let a, b = 0;

const a = 0, b = 0;

CDruO8STtfiPEOKFpJL7OJJox+YddusmGf38HTs7jv8CQ6YIqBDR+swYdZEov+R3B7bs+CA+MhXWc/Fz0lyxCfiwup7FBzB/XOGknATlzdA=

/*eslint one-var-declaration-per-line: ["error", "always"]*/
/*eslint-env es6*/

var a,
    b;

let a,
    b = 0;