22 lines
804 B
JavaScript
22 lines
804 B
JavaScript
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// markdown-it plugin for wrapping <pre> ... </pre>.
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//
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// If your plugin was chained before preWrapper, you can add additional element directly.
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// If your plugin was chained after preWrapper, you can use these slots:
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// 1. <!--beforebegin-->
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// 2. <!--afterbegin-->
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// 3. <!--beforeend-->
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// 4. <!--afterend-->
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module.exports = md => {
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const wrap = (wrapped) => (...args) => {
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const [tokens, idx] = args
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const token = tokens[idx]
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const rawCode = wrapped(...args)
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return `<!--beforebegin--><div class="language-${token.info.trim()} extra-class">`
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+ `<!--afterbegin-->${rawCode}<!--beforeend--></div><!--afterend-->`
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}
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const { fence, code_block: codeBlock } = md.renderer.rules
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md.renderer.rules.fence = wrap(fence)
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md.renderer.rules.code_block = wrap(codeBlock)
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}
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