forked from mystiq/hydrogen-web
425 lines
15 KiB
JavaScript
425 lines
15 KiB
JavaScript
/*
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Copyright 2020 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import {tag as t} from "./html.js";
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import {openFile, readFileAsText} from "./file.js";
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const main = document.querySelector("main");
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let selectedItemNode;
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let rootItem;
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let itemByRef;
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let itemsRefFrom;
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const logLevels = [undefined, "All", "Debug", "Detail", "Info", "Warn", "Error", "Fatal", "Off"];
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main.addEventListener("click", event => {
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if (event.target.classList.contains("toggleExpanded")) {
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const li = event.target.parentElement.parentElement;
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li.classList.toggle("expanded");
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} else {
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// allow clicking any links other than .item in the timeline, like refs
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if (event.target.tagName === "A" && !event.target.classList.contains("item")) {
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return;
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}
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const itemNode = event.target.closest(".item");
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if (itemNode) {
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// we don't want scroll to jump when clicking
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// so prevent default behaviour, and select and push to history manually
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event.preventDefault();
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selectNode(itemNode);
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history.pushState(null, null, `#${itemNode.id}`);
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}
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}
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});
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window.addEventListener("hashchange", () => {
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const id = window.location.hash.substr(1);
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const itemNode = document.getElementById(id);
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if (itemNode && itemNode.closest("main")) {
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ensureParentsExpanded(itemNode);
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selectNode(itemNode);
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itemNode.scrollIntoView({behavior: "smooth", block: "nearest"});
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}
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});
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function selectNode(itemNode) {
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if (selectedItemNode) {
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selectedItemNode.classList.remove("selected");
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}
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selectedItemNode = itemNode;
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selectedItemNode.classList.add("selected");
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let item = rootItem;
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let parent;
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const indices = selectedItemNode.id.split("/").map(i => parseInt(i, 10));
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for(const i of indices) {
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parent = item;
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item = itemChildren(item)[i];
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}
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showItemDetails(item, parent, selectedItemNode);
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}
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function ensureParentsExpanded(itemNode) {
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let li = itemNode.parentElement.parentElement;
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while (li.tagName === "LI") {
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li.classList.add("expanded");
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li = li.parentElement.parentElement;
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}
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}
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function stringifyItemValue(value) {
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if (typeof value === "object" && value !== null) {
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return JSON.stringify(value, undefined, 2);
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} else {
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return value + "";
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}
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}
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function showItemDetails(item, parent, itemNode) {
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const parentOffset = itemStart(parent) ? `${itemStart(item) - itemStart(parent)}ms` : "none";
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const expandButton = t.button("Expand recursively");
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expandButton.addEventListener("click", () => expandResursively(itemNode.parentElement.parentElement));
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const start = itemStart(item);
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const aside = t.aside([
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t.h3(itemCaption(item)),
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t.p([t.strong("Log level: "), logLevels[itemLevel(item)]]),
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t.p([t.strong("Error: "), itemError(item) ? `${itemError(item).name} ${itemError(item).stack}` : "none"]),
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t.p([t.strong("Parent offset: "), parentOffset]),
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t.p([t.strong("Start: "), new Date(start).toString(), ` (${start})`]),
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t.p([t.strong("Duration: "), `${itemDuration(item)}ms`]),
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t.p([t.strong("Child count: "), itemChildren(item) ? `${itemChildren(item).length}` : "none"]),
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t.p([t.strong("Forced finish: "), (itemForcedFinish(item) || false) + ""]),
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t.p(t.strong("Values:")),
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t.ul({class: "values"}, Object.entries(itemValues(item)).map(([key, value]) => {
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let valueNode;
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if (key === "ref") {
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const refItem = itemByRef.get(value);
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if (refItem) {
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valueNode = t.a({href: `#${refItem.id}`}, itemCaption(refItem));
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} else {
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valueNode = `unknown ref ${value}`;
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}
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} else if (key === "refId") {
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const refSources = itemsRefFrom.get(value) ?? [];
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valueNode = t.div([t.p([`${value}`, t.br(),`Found these references:`]),t.ul(refSources.map(item => {
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return t.li(t.a({href: `#${item.id}`}, itemCaption(item)));
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}))]);
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} else {
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valueNode = stringifyItemValue(value);
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}
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return t.li([
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t.span({className: "key"}, normalizeValueKey(key)),
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t.span({className: "value"}, valueNode)
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]);
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})),
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t.p(expandButton)
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]);
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document.querySelector("aside").replaceWith(aside);
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}
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function expandResursively(li) {
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li.classList.add("expanded");
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const ol = li.querySelector("ol");
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if (ol) {
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const len = ol.children.length;
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for (let i = 0; i < len; i += 1) {
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expandResursively(ol.children[i]);
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}
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}
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}
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document.getElementById("openFile").addEventListener("click", loadFile);
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function getRootItemHeader(prevItem, item) {
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if (prevItem) {
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const diff = itemStart(item) - itemEnd(prevItem);
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if (diff >= 0) {
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return `+ ${formatTime(diff)}`;
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} else {
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const overlap = -diff;
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if (overlap >= itemDuration(item)) {
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return `ran entirely in parallel with`;
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} else {
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return `ran ${formatTime(-diff)} in parallel with`;
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}
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}
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} else {
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return new Date(itemStart(item)).toString();
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}
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}
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async function loadFile() {
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const file = await openFile();
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document.getElementById("filename").innerText = file.name;
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const json = await readFileAsText(file);
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const logs = JSON.parse(json);
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logs.items.sort((a, b) => itemStart(a) - itemStart(b));
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rootItem = {c: logs.items};
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itemByRef = new Map();
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itemsRefFrom = new Map();
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preprocessRecursively(rootItem, null, itemByRef, itemsRefFrom, []);
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const fragment = logs.items.reduce((fragment, item, i, items) => {
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const prevItem = i === 0 ? null : items[i - 1];
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fragment.appendChild(t.section([
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t.h2(getRootItemHeader(prevItem, item)),
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t.div({className: "timeline"}, t.ol(itemToNode(item, [i])))
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]));
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return fragment;
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}, document.createDocumentFragment());
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main.replaceChildren(fragment);
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}
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// TODO: make this use processRecursively
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function preprocessRecursively(item, parentElement, refsMap, refsFromMap, path) {
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item.s = (parentElement?.s || 0) + item.s;
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if (itemRefSource(item)) {
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refsMap.set(itemRefSource(item), item);
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}
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if (itemRef(item)) {
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let refs = refsFromMap.get(itemRef(item));
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if (!refs) {
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refs = [];
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refsFromMap.set(itemRef(item), refs);
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}
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refs.push(item);
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}
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if (itemChildren(item)) {
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for (let i = 0; i < itemChildren(item).length; i += 1) {
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// do it in advance for a child as we don't want to do it for the rootItem
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const child = itemChildren(item)[i];
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const childPath = path.concat(i);
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child.id = childPath.join("/");
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preprocessRecursively(child, item, refsMap, refsFromMap, childPath);
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}
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}
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}
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const MS_IN_SEC = 1000;
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const MS_IN_MIN = MS_IN_SEC * 60;
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const MS_IN_HOUR = MS_IN_MIN * 60;
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const MS_IN_DAY = MS_IN_HOUR * 24;
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function formatTime(ms) {
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let str = "";
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if (ms > MS_IN_DAY) {
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const days = Math.floor(ms / MS_IN_DAY);
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ms -= days * MS_IN_DAY;
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str += `${days}d`;
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}
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if (ms > MS_IN_HOUR) {
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const hours = Math.floor(ms / MS_IN_HOUR);
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ms -= hours * MS_IN_HOUR;
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str += `${hours}h`;
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}
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if (ms > MS_IN_MIN) {
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const mins = Math.floor(ms / MS_IN_MIN);
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ms -= mins * MS_IN_MIN;
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str += `${mins}m`;
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}
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if (ms > MS_IN_SEC) {
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const secs = ms / MS_IN_SEC;
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str += `${secs.toFixed(2)}s`;
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} else if (ms > 0 || !str.length) {
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str += `${ms}ms`;
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}
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return str;
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}
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function itemChildren(item) { return item.c; }
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function itemStart(item) { return item.s; }
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function itemEnd(item) { return item.s + item.d; }
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function itemDuration(item) { return item.d; }
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function itemValues(item) { return item.v; }
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function itemLevel(item) { return item.l; }
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function itemLabel(item) { return item.v?.l; }
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function itemType(item) { return item.v?.t; }
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function itemError(item) { return item.e; }
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function itemForcedFinish(item) { return item.f; }
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function itemRef(item) { return item.v?.ref; }
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function itemRefSource(item) { return item.v?.refId; }
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function itemShortErrorMessage(item) {
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if (itemError(item)) {
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const e = itemError(item);
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return e.name || e.stack.substr(0, e.stack.indexOf("\n"));
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}
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}
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function itemCaption(item) {
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if (itemLabel(item) && itemError(item)) {
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return `${itemLabel(item)} (${itemShortErrorMessage(item)})`;
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} if (itemType(item) === "network") {
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return `${itemValues(item)?.method} ${itemValues(item)?.url}`;
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} else if (itemLabel(item) && itemValues(item)?.id) {
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return `${itemLabel(item)} ${itemValues(item).id}`;
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} else if (itemLabel(item) && itemValues(item)?.status) {
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return `${itemLabel(item)} (${itemValues(item).status})`;
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} else if (itemLabel(item) && itemValues(item)?.type) {
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return `${itemLabel(item)} (${itemValues(item)?.type})`;
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} else if (itemRef(item)) {
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const refItem = itemByRef.get(itemRef(item));
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if (refItem) {
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return `ref "${itemCaption(refItem)}"`
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} else {
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return `unknown ref ${itemRef(item)}`
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}
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} else {
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return itemLabel(item) || itemType(item);
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}
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}
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function normalizeValueKey(key) {
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switch (key) {
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case "t": return "type";
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case "l": return "label";
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default: return key;
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}
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}
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// returns the node and the total range (recursively) occupied by the node
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function itemToNode(item) {
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const hasChildren = !!itemChildren(item)?.length;
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const className = {
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item: true,
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"has-children": hasChildren,
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error: itemError(item),
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[`type-${itemType(item)}`]: !!itemType(item),
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[`level-${itemLevel(item)}`]: true,
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};
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const id = item.id;
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let captionNode;
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if (itemRef(item)) {
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const refItem = itemByRef.get(itemRef(item));
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if (refItem) {
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captionNode = ["ref ", t.a({href: `#${refItem.id}`}, itemCaption(refItem))];
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}
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}
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if (!captionNode) {
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captionNode = itemCaption(item);
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}
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const li = t.li([
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t.div([
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hasChildren ? t.button({className: "toggleExpanded"}) : "",
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t.a({className, id, href: `#${id}`}, [
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t.span({class: "caption"}, captionNode),
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t.span({class: "duration"}, `(${formatTime(itemDuration(item))})`),
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])
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])
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]);
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if (itemChildren(item) && itemChildren(item).length) {
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li.appendChild(t.ol(itemChildren(item).map(item => {
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return itemToNode(item);
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})));
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}
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return li;
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}
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const highlightForm = document.getElementById("highlightForm");
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highlightForm.addEventListener("submit", evt => {
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evt.preventDefault();
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const matchesOutput = document.getElementById("highlightMatches");
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const query = document.getElementById("highlight").value;
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if (query) {
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matchesOutput.innerText = "Searching…";
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let matches = 0;
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processRecursively(rootItem, item => {
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let domNode = document.getElementById(item.id);
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if (itemMatchesFilter(item, query)) {
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matches += 1;
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domNode.classList.add("highlighted");
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domNode = domNode.parentElement;
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while (domNode.nodeName !== "SECTION") {
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if (domNode.nodeName === "LI") {
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domNode.classList.add("expanded");
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}
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domNode = domNode.parentElement;
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}
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} else {
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domNode.classList.remove("highlighted");
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}
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});
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matchesOutput.innerText = `${matches} matches`;
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} else {
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for (const node of document.querySelectorAll(".highlighted")) {
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node.classList.remove("highlighted");
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}
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matchesOutput.innerText = "";
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}
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});
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function itemMatchesFilter(item, query) {
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if (itemError(item)) {
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if (valueMatchesQuery(itemError(item), query)) {
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return true;
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}
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}
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return valueMatchesQuery(itemValues(item), query);
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}
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function valueMatchesQuery(value, query) {
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if (typeof value === "string") {
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return value.includes(query);
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} else if (typeof value === "object" && value !== null) {
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for (const key in value) {
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if (value.hasOwnProperty(key) && valueMatchesQuery(value[key], query)) {
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return true;
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}
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}
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} else if (typeof value === "number") {
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return value.toString().includes(query);
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}
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return false;
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}
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function processRecursively(item, callback, parentItem) {
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if (item.id) {
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callback(item, parentItem);
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}
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if (itemChildren(item)) {
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for (let i = 0; i < itemChildren(item).length; i += 1) {
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// do it in advance for a child as we don't want to do it for the rootItem
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const child = itemChildren(item)[i];
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processRecursively(child, callback, item);
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}
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}
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}
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document.getElementById("collapseAll").addEventListener("click", () => {
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for (const node of document.querySelectorAll(".expanded")) {
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node.classList.remove("expanded");
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}
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});
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document.getElementById("hideCollapsed").addEventListener("click", () => {
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for (const node of document.querySelectorAll("section > div.timeline > ol > li:not(.expanded)")) {
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node.closest("section").classList.add("hidden");
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}
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});
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document.getElementById("hideHighlightedSiblings").addEventListener("click", () => {
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for (const node of document.querySelectorAll(".highlighted")) {
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const list = node.closest("ol");
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const siblings = Array.from(list.querySelectorAll("li > div > a:not(.highlighted)")).map(n => n.closest("li"));
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for (const sibling of siblings) {
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if (!sibling.classList.contains("expanded")) {
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sibling.classList.add("hidden");
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}
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}
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}
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});
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document.getElementById("showAll").addEventListener("click", () => {
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for (const node of document.querySelectorAll(".hidden")) {
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node.classList.remove("hidden");
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}
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});
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