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import { CodeBlockHighlight as BaseCodeBlockHighlight } from 'tiptap-extensions';
export default class GlCodeBlockHighlight extends BaseCodeBlockHighlight {
get schema() {
const baseSchema = super.schema;
return {
...baseSchema,
attrs: {
params: {
default: null,
},
},
parseDOM: [
{
tag: 'pre',
preserveWhitespace: 'full',
getAttrs: (node) => {
const code = node.querySelector('code');
if (!code) {
return null;
}
return {
/* `params` is the name of the attribute that
prosemirror-markdown uses to extract the language
of a codeblock.
https://github.com/ProseMirror/prosemirror-markdown/blob/master/src/to_markdown.js#L62
*/
params: code.getAttribute('lang'),
};
},
},
],
};
}
}
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