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Reduce syntax-highlighting support in MDEditor #568

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merged 4 commits into from
Dec 30, 2019

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ashmaroli
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In order to avoid bloating the production bundle.js with rarely used languages.

@ashmaroli
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Bundlesize stats

branch bundle.js bundle.js.map
master 2.24MB 6.74MB
PR 1.76MB 6.02MB

// hljs.registerLanguage('x86asm', require('highlight.js/lib/languages/x86asm'));
// hljs.registerLanguage('xl', require('highlight.js/lib/languages/xl'));
// hljs.registerLanguage('xquery', require('highlight.js/lib/languages/xquery'));
hljs.registerLanguage('zephir', require('highlight.js/lib/languages/zephir'));
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I think we can store keys of languages we want to support in an array constant then register them in a loop.
It would be easier to see which languages are enabled that way.

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@ashmaroli ashmaroli Dec 25, 2019

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Technically, we can. But webpack won't evaluate the require code then and consequently include all languages in the bundle. To avoid that, we'll have to additionally configure webpack to remove the unneeded languages..

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OK. Never mind then.

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Here are the couple of languages that I'm suggesting we don't need to support:

  • zephir
  • tcl
  • vbscript-html
  • qml
  • q
  • purebasic
  • processing
  • openscad
  • moonscript

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Done.

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Bundlesize stats

branch bundle.js bundle.js.map
master 2.22MB 6.73MB
PR 1.75MB 6.00MB

@ashmaroli ashmaroli merged commit e3c1060 into jekyll:master Dec 30, 2019
@ashmaroli ashmaroli deleted the highlightjs-lite branch December 30, 2019 06:08
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2 participants