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app.js
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app.js
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const skippedCategories = ["manual"];
class Node {
constructor(name, element, expandable, noAutoCollapse, children = []) {
this.name = name;
this.element = element;
this.expandable = expandable;
this.noAutoCollapse = noAutoCollapse;
this.children = children;
}
AddChild(name, element, expandable, noAutoCollapse, children) {
let newNode = new Node(name, element, expandable, noAutoCollapse, children);
this.children.push(newNode);
return newNode;
}
}
class SearchManager {
constructor(input, contents) {
this.input = input;
this.input.addEventListener("input", event => {
this.OnInputUpdated(this.input.value.toLowerCase().replace(/:/g, "."));
});
// setup search tree
this.tree = new Node("", document.createElement("null"), true, true);
this.entries = {};
const categoryElements = contents.querySelectorAll(".category");
for (const category of categoryElements) {
const nameElement = category.querySelector(":scope > summary > h2");
if (!nameElement) {
continue;
}
const categoryName = nameElement.textContent.trim().toLowerCase();
if (skippedCategories.includes(categoryName)) {
continue;
}
let categoryNode = this.tree.AddChild(categoryName, category, true, true);
const sectionElements = category.querySelectorAll(":scope > ul > li");
for (const section of sectionElements) {
const entryElements = section.querySelectorAll(":scope > details > ul > li > a");
const sectionName = section.querySelector(":scope > details > summary > a")
.textContent
.trim()
.toLowerCase();
let sectionNode = categoryNode.AddChild(sectionName, section.querySelector(":scope > details"), true);
for (let i = 0; i < entryElements.length; i++) {
const entryElement = entryElements[i];
const entryName = entryElement.textContent.trim().toLowerCase();
sectionNode.AddChild(sectionName + "." + entryName, entryElement.parentElement);
}
}
}
}
ResetVisibility(current) {
current.element.style.display = "";
if (current.noAutoCollapse) {
current.element.open = true;
} else if (current.expandable) {
current.element.open = false;
}
for (let node of current.children) {
this.ResetVisibility(node);
}
}
Search(input, current) {
let matched = false;
if (current.name.indexOf(input) != -1) {
matched = true;
}
for (let node of current.children) {
let childMatched = this.Search(input, node);
matched = matched || childMatched;
}
if (matched) {
current.element.style.display = "";
if (current.expandable) {
current.element.open = true;
}
} else {
current.element.style.display = "none";
if (current.expandable) {
current.element.open = false;
}
}
return matched;
}
OnInputUpdated(input) {
if (input.length <= 1) {
this.ResetVisibility(this.tree);
return;
}
this.Search(input, this.tree);
}
}
window.onload = function() {
const openDetails = document.querySelector(".category > ul > li > details[open]");
if (openDetails) {
openDetails.scrollIntoView();
}
}
document.addEventListener("DOMContentLoaded", function() {
const searchInput = document.getElementById("search");
const contents = document.querySelector("body > main > nav > section");
if (searchInput && contents) {
new SearchManager(searchInput, contents);
}
});