kmx.io/prism.js/docs/scripts/search.js

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• Hash : 4ff555be
  Author :
  Date : 2020-06-28T01:34:29
  

  Added JSDoc (#1782)

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• docs/scripts/search.js

• 
  var searchAttr = 'data-search-mode';
  function contains(a,m){
      return (a.textContent || a.innerText || "").toUpperCase().indexOf(m) !== -1;
  };
  
  //on search
  document.getElementById("nav-search").addEventListener("keyup", function(event) {
      var search = this.value.toUpperCase();
  
      if (!search) {
          //no search, show all results
          document.documentElement.removeAttribute(searchAttr);
          
          document.querySelectorAll("nav > ul > li:not(.level-hide)").forEach(function(elem) {
              elem.style.display = "block";
          });
  
          if (typeof hideAllButCurrent === "function"){
              //let's do what ever collapse wants to do
              hideAllButCurrent();
          } else {
              //menu by default should be opened
              document.querySelectorAll("nav > ul > li > ul li").forEach(function(elem) {
                  elem.style.display = "block";
              });
          }
      } else {
          //we are searching
          document.documentElement.setAttribute(searchAttr, '');
  
          //show all parents
          document.querySelectorAll("nav > ul > li").forEach(function(elem) {
              elem.style.display = "block";
          });
          //hide all results
          document.querySelectorAll("nav > ul > li > ul li").forEach(function(elem) {
              elem.style.display = "none";
          });
          //show results matching filter
          document.querySelectorAll("nav > ul > li > ul a").forEach(function(elem) {
              if (!contains(elem.parentNode, search)) {
                  return;
              }
              elem.parentNode.style.display = "block";
          });
          //hide parents without children
          document.querySelectorAll("nav > ul > li").forEach(function(parent) {
              var countSearchA = 0;
              parent.querySelectorAll("a").forEach(function(elem) {
                  if (contains(elem, search)) {
                      countSearchA++;
                  }
              });
              
              var countUl = 0;
              var countUlVisible = 0;
              parent.querySelectorAll("ul").forEach(function(ulP) {
                  // count all elements that match the search
                  if (contains(ulP, search)) {
                      countUl++;
                  }
                  
                  // count all visible elements
                  var children = ulP.children
                  for (i=0; i<children.length; i++) {
                      var elem = children[i];
                      if (elem.style.display != "none") {
                          countUlVisible++;
                      }
                  }
              });
            
              if (countSearchA == 0 && countUl === 0){
                  //has no child at all and does not contain text
                  parent.style.display = "none";
              } else if(countSearchA == 0 && countUlVisible == 0){
                  //has no visible child and does not contain text
                  parent.style.display = "none";
              }
          });
      }
  });

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