multiline-ternary

在三元表达式的操作数之间强制换行

一些该规则报告的问题可以通过 --fix 命令行选项 自动修复

JavaScript 允许三元表达式的操作数用换行符分隔，这样可以提高程序的可读性。

例如：

var foo = bar > baz ? value1 : value2;

上面可以改写如下，以提高可读性并更清楚地描述操作数：

var foo = bar > baz ?
    value1 :
    value2;

规则详情

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选项

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always

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/*eslint multiline-ternary: ["error", "always"]*/

foo > bar ? value1 : value2;

foo > bar ? value :
    value2;

foo > bar ?
    value : value2;

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/*eslint multiline-ternary: ["error", "always"]*/

foo > bar ?
    value1 :
    value2;

foo > bar ?
    (baz > qux ?
        value1 :
        value2) :
    value3;

always-multiline

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/*eslint multiline-ternary: ["error", "always-multiline"]*/

foo > bar ? value1 :
    value2;

foo > bar ?
    value1 : value2;

foo > bar &&
    bar > baz ? value1 : value2;

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/*eslint multiline-ternary: ["error", "always-multiline"]*/

foo > bar ? value1 : value2;

foo > bar ?
    value1 :
    value2;

foo > bar ?
    (baz > qux ? value1 : value2) :
    value3;

foo > bar ?
    (baz > qux ?
        value1 :
        value2) :
    value3;

foo > bar &&
    bar > baz ?
        value1 :
        value2;

never

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/*eslint multiline-ternary: ["error", "never"]*/

foo > bar ? value :
    value2;

foo > bar ?
    value : value2;

foo >
    bar ?
    value1 :
    value2;

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/*eslint multiline-ternary: ["error", "never"]*/

foo > bar ? value1 : value2;

foo > bar ? (baz > qux ? value1 : value2) : value3;

foo > bar ? (
    baz > qux ? value1 : value2
) : value3;

何时不使用

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兼容性

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