shithub: hugo

ref: aefd9a80a6f2d390b14deaa929abb4a5e9d091f0
dir: /docs/themes/gohugoioTheme/src/js/codeblocks.js/

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let article = document.getElementById('prose')

if (article) {
  let codeBlocks = article.getElementsByTagName('code')
    for (let [key, codeBlock] of Object.entries(codeBlocks)){
    var widthDif = codeBlock.scrollWidth - codeBlock.clientWidth
    if (widthDif > 0)
      codeBlock.parentNode.classList.add('expand')
  }
}