bfx-api-node-rest/docs/scripts/collapse.js

Official Bitfinex REST v1 & v2 API interfaces

function hideAllButCurrent () {
  //by default all submenut items are hidden
  //but we need to rehide them for search
  document.querySelectorAll("nav > ul").forEach(function (parent) {
    if (parent.className.indexOf("collapse_top") !== -1) {
      parent.style.display = "none"
    }
  })
  document.querySelectorAll("nav > ul > li > ul li").forEach(function (parent) {
    parent.style.display = "none"
  })
  document.querySelectorAll("nav > h3").forEach(function (section) {
    if (section.className.indexOf("collapsed_header") !== -1) {
      section.addEventListener("click", function () {
        if (section.nextSibling.style.display === "none") {
          section.nextSibling.style.display = "block"
        } else {
          section.nextSibling.style.display = "none"
        }
      })
    }
  })

  //only current page (if it exists) should be opened
  var file = window.location.pathname.split("/").pop().replace(/\.html/, '')
  document.querySelectorAll("nav > ul > li > a").forEach(function (parent) {
    var href = parent.attributes.href.value.replace(/\.html/, '')
    if (file === href) {
      if (parent.parentNode.parentNode.className.indexOf("collapse_top") !== -1) {
        parent.parentNode.parentNode.style.display = "block"
      }
      parent.parentNode.querySelectorAll("ul li").forEach(function (elem) {
        elem.style.display = "block"
      })
    }
  })
}

hideAllButCurrent()