eslint-plugin-html

This ESLint plugin extracts and lints scripts from HTML files.

Supported HTML extensions:

.erb
.handlebars
.hbs
.htm
.html
.mustache
.nunjucks
.php
.tag
.twig
.vue
.we

Supported XHTML extensions:

.xhtml
.xml

Only script tags with no type attribute or a type attribute containing a MIME type known to represent JavaScript such as text/javascript or application/javascript, or text/babel will be linted.

Usage

Simply install via npm npm install eslint-plugin-html --save add the plugin to your ESLint configuration. See ESLint documentation.

Example:

{
    "plugins": [
        "html"
    ]
}

Settings

`html/indent`

By default, the code between <script> tags is dedented according to the first non-empty line. The setting html/indent allows to ensure that every script tags follow an uniform indentation. Like the indent rule, you can pass a number of spaces, or "tab" to indent with one tab. Prefix this value with a + to be relative to the <script> tag indentation. Example:

{
    "plugins": [ "html" ],
    "settings": {
        "html/indent": "0",   // code should start at the beginning of the line (no initial indentation).
        "html/indent": "+2",  // indentation is the <script> indentation plus two spaces.
        "html/indent": "tab", // indentation is one tab at the beginning of the line.
    }
}

`html/report-bad-indent`

By default, this plugin won't warn if it encounters a problematic indentation (ex: a line is under indented). If you want to make sure the indentation is correct, use the html/report-bad-indent in conjunction with the indent rule. Pass 1 to display warnings, or 2 to display errors. Example:

{
    "plugins": [ "html" ],
    "settings": {
        "html/report-bad-indent": 2,
    }
}

`html/xml-mode`

By default, files with an extension known to be XML (.xml, .xhtml) will be considered as XML. This slightly changes the markup parsing, mainly when considering CDATA sections:

in XML, any data inside a CDATA section will be considered as raw text (not XML) and the CDATA delimiter will be droped ;
in HTML, there is no such thing for <script> tags: the CDATA delimiter is considered as normal text and thus, part of the script.

The setting html/xml-mode allows to force all files to be considered as XML (by passing true) or HTML (by passing false). Example:

{
    "plugins": [ "html" ],
    "settings": {
      "html/xml-mode": true,
    }
}

License

platinumazure/eslint-plugin-html

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