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CodeMirror HTML mode not working

2020-02-26 03:31发布

站内文章 / JavaScript
96 0 0

问题:

I'm trying to style code samples with CodeMirror, but it works partially - it applies the selected theme to the textarea but the syntax is not highlighted.

There is my page:

<textarea id="template-html" name="code" class="CodeMirror">
    <!DOCTYPE html>
    <foobar>
        <blah>Enter your xml here and press the button below to display it as highlighted by the CodeMirror XML mode</blah>
        <tag2 foo="2" bar="bar" />
    </foobar>
</textarea>
<link rel="stylesheet" type="text/css" href="/site.com/css/codemirror/codemirror.css">
<link rel="stylesheet" type="text/css" href="/site.com/css/codemirror/theme/ambiance.css">
<link rel="stylesheet" type="text/css" href="/site.com/css/codemirror/theme/solarized.css">
<script type="text/javascript" src="/site.com/js/libs/codemirror/codemirror.js"></script>
<script type="text/javascript" src="/site.com/js/libs/codemirror/mode/javascript/javascript.js"></script>
<script type="text/javascript">
    var config, editor;

    config = {
        lineNumbers: true,
        mode: "text/html",
        theme: "ambiance",
        indentWithTabs: false,
        readOnly: true
    };

    editor = CodeMirror.fromTextArea(document.getElementById("template-html"), config);

    function selectTheme() {
        editor.setOption("theme", "solarized dark");
    }
    setTimeout(selectTheme, 5000);
</script>

Here is an image of the result. It seems to work but without the syntax highlighting (image top), I've also tried without my CSS, but the result is the same (image bottom):

The problem is with mode: "text/html" which seems to be not working properly, if I use mode: "javascript" it colorizes the tags by the JavaScript syntax rules. How can I fix this?

回答1:

CodeMirror parses HTML using the XML mode. To use it, the appropriate script must be included, same as with any other mode.

Add its dependency in your markup:

<script type="text/javascript" 
        src="/site.com/js/libs/codemirror/mode/xml/xml.js"></script>

and set the mode to xml:

config = {
    mode : "xml",
    // ...
};

In addition, you may want to configure the parser to allow for non well-formed XML. You can do so by switching the htmlMode flag on:

config = {
    mode : "xml",
    htmlMode: true,
    // ...
};

See the XML/HTML mode demo for a live example.



标签： javascript syntax-highlighting codemirror
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