shithub: hugo

ref: 3a62d54745e2cbfda6772390830042908d725c71
dir: /docs/themes/gohugoioTheme/assets/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')
  }
}