switch-colon-spacing

在 switch 语句的冒号周围强制使用空格

一些该规则报告的问题可以通过 --fix 命令行选项 自动修复

冒号周围的间距提高了 case/default 子句的可读性。

规则详情

此规则控制 switch 语句中 case 和 default 子句的冒号周围的间距。此规则仅在连续标记存在于同一行时才进行检查。

此规则有 2 个布尔值选项。

{
    "switch-colon-spacing": ["error", {"after": true, "before": false}]
}

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/*eslint switch-colon-spacing: "error"*/

switch (a) {
    case 0 :break;
    default :foo();
}

FphvHt5MK/G5o4JKMpo8wFZScNX7kGyQzE3xqEeYlFcVQkbgr+qufrIGgDR/9BRp

/*eslint switch-colon-spacing: "error"*/

switch (a) {
    case 0: foo(); break;
    case 1:
        bar();
        break;
    default:
        baz();
        break;
}

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/*eslint switch-colon-spacing: ["error", {"after": false, "before": true}]*/

switch (a) {
    case 0: break;
    default: foo();
}

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/*eslint switch-colon-spacing: ["error", {"after": false, "before": true}]*/

switch (a) {
    case 0 :foo(); break;
    case 1 :
        bar();
        break;
    default :
        baz();
        break;
}

何时不使用

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