no-irregular-whitespace

禁止不规则空格

配置文件中的 "extends": "eslint:recommended" 属性启用了该规则

无效或不规则的空格会导致 ECMAScript 5 解析器出现问题，并且还会使代码更难调试，类似于混合制表符和空格。

程序员可能会错误地输入各种空白字符，例如通过复制或键盘快捷键。例如，在 macOS 上按 Alt + Space 会添加一个不间断的空格字符。

解决此问题的一个简单方法是从头开始重写有问题的行。这也可能是文本编辑器引入的问题：如果重写行不能解决问题，请尝试使用不同的编辑器。

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规则详情

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\u000B - Line Tabulation (\v) - <VT>
\u000C - Form Feed (\f) - <FF>
\u00A0 - No-Break Space - <NBSP>
\u0085 - Next Line
\u1680 - Ogham Space Mark
\u180E - Mongolian Vowel Separator - <MVS>
\ufeff - Zero Width No-Break Space - <BOM>
\u2000 - En Quad
\u2001 - Em Quad
\u2002 - En Space - <ENSP>
\u2003 - Em Space - <EMSP>
\u2004 - Three-Per-Em
\u2005 - Four-Per-Em
\u2006 - Six-Per-Em
\u2007 - Figure Space
\u2008 - Punctuation Space - <PUNCSP>
\u2009 - Thin Space
\u200A - Hair Space
\u200B - Zero Width Space - <ZWSP>
\u2028 - Line Separator
\u2029 - Paragraph Separator
\u202F - Narrow No-Break Space
\u205f - Medium Mathematical Space
\u3000 - Ideographic Space

选项

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skipStrings

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/*eslint no-irregular-whitespace: "error"*/

function thing() /*<NBSP>*/{
    return 'test';
}

function thing( /*<NBSP>*/){
    return 'test';
}

function thing /*<NBSP>*/(){
    return 'test';
}

function thing᠎/*<MVS>*/(){
    return 'test';
}

function thing() {
    return 'test'; /*<ENSP>*/
}

function thing() {
    return 'test'; /*<NBSP>*/
}

function thing() {
    // Description <NBSP>: some descriptive text
}

/*
Description <NBSP>: some descriptive text
*/

function thing() {
    return / <NBSP>regexp/;
}

/*eslint-env es6*/
function thing() {
    return `template <NBSP>string`;
}

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/*eslint no-irregular-whitespace: "error"*/

function thing() {
    return ' <NBSP>thing';
}

function thing() {
    return '<ZWSP>thing';
}

function thing() {
    return 'th <NBSP>ing';
}

skipComments

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/*eslint no-irregular-whitespace: ["error", { "skipComments": true }]*/

function thing() {
    // Description <NBSP>: some descriptive text
}

/*
Description <NBSP>: some descriptive text
*/

skipRegExps

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/*eslint no-irregular-whitespace: ["error", { "skipRegExps": true }]*/

function thing() {
    return / <NBSP>regexp/;
}

skipTemplates

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/*eslint no-irregular-whitespace: ["error", { "skipTemplates": true }]*/
/*eslint-env es6*/

function thing() {
    return `template <NBSP>string`;
}

何时不使用

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