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function copyString(text){async function navigatorClipboardCopy(text){if(document.location.protocol != "https:"){return false;}return new Promise((resolve, reject)=>{navigator.clipboard.writeText(text).then(()=>{resolve(true);}, ()=>{resolve(false);});});}function domCopy(text){if(!(document.execCommand)){console.warn("They finally deprecated document.execCommand!");}const input = document.createElement('textarea');input.value = text;document.body.appendChild(input);input.select();const success = document.execCommand('copy');document.body.removeChild(input);return success;}function promptCopy(){prompt("Copy failed. Might have ... somewhere. Check console.", text);console.log(text);}function done(){alert("Copied to clipboard");}navigatorClipboardCopy(text).catch(()=>{return false;}).then((success)=>{if(success){done();}else{if(domCopy(text)){done();}else{promptCopy();}}});}
const formatDuration = ms => {if (ms < 0) ms = -ms;const time = {day: Math.floor(ms / 86400000),hour: Math.floor(ms / 3600000) % 24,minute: Math.floor(ms / 60000) % 60,second: Math.floor(ms / 1000) % 60,millisecond: Math.floor(ms) % 1000};return Object.entries(time).filter(val => val[1] !== 0).map(([key, val]) => `${val} ${key}${val !== 1 ? 's' : ''}`).join(', ');};formatDuration(1001); // '1 second, 1 millisecond'formatDuration(34325055574); // '397 days, 6 hours, 44 minutes, 15 seconds, 574 milliseconds'
class TreeNode {constructor(data, depth) {this.data = data;this.children = [];this.depth = depth;}}function buildNaryTree(hosts) {const nodeMap = {};// Step 1: Create a map of nodes using fqdn as the keyhosts.forEach((host) => {nodeMap[host.fqdn] = new TreeNode(host, 0); // Initialize depth to 0});// Step 2: Iterate through the array and add each node to its parent's list of childrenhosts.forEach((host) => {if (host.displayParent) {if (nodeMap[host.displayParent]) {const parent = nodeMap[host.displayParent];const node = nodeMap[host.fqdn];node.depth = parent.depth + 1; // Update the depthparent.children.push(node);} else {console.error(`Parent with fqdn ${host.displayParent} not found for ${host.fqdn}`);}}});// Find the root nodes (nodes with no parent)const rootNodes = hosts.filter((host) => !host.displayParent).map((host) => nodeMap[host.fqdn]);return rootNodes;}function treeToObjects(node) {const result = [];function inOrder(node) {if (!node) {return;}// Visit the current node and add it to the resultresult.push(node.data);// Visit children nodes firstnode.children.forEach((child) => {inOrder(child);});}inOrder(node);return result;}// Usage exampleconst hosts = [{fqdn: 'fqdn_1',display_name: 'Host 1',},{fqdn: 'fqdn_2',display_name: 'Host 2',displayParent: 'fqdn_1',},{fqdn: 'fqdn_3',display_name: 'Host 3'},{fqdn: 'fqdn_4',display_name: 'Host 4',displayParent: 'fqdn_3',},{fqdn: 'fqdn_5',display_name: 'Host 5',displayParent: 'fqdn_1',},];const tree = buildNaryTree(hosts);// Function to convert the tree to an array of objectsfunction convertTreeToArray(nodes) {const result = [];nodes.forEach((node) => {result.push(...treeToObjects(node));});return result;}// Convert the tree back to an array of objectsconst arrayFromTree = convertTreeToArray(tree);console.log(arrayFromTree);
const copyToClipboard = str => {const el = document.createElement('textarea');el.value = str;el.setAttribute('readonly', '');el.style.position = 'absolute';el.style.left = '-9999px';document.body.appendChild(el);const selected =document.getSelection().rangeCount > 0? document.getSelection().getRangeAt(0): false;el.select();document.execCommand('copy');document.body.removeChild(el);if (selected) {document.getSelection().removeAllRanges();document.getSelection().addRange(selected);}};copyToClipboard('Lorem ipsum'); // 'Lorem ipsum' copied to clipboard.
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const binomialCoefficient = (n, k) => {if (Number.isNaN(n) || Number.isNaN(k)) return NaN;if (k < 0 || k > n) return 0;if (k === 0 || k === n) return 1;if (k === 1 || k === n - 1) return n;if (n - k < k) k = n - k;let res = n;for (let j = 2; j <= k; j++) res *= (n - j + 1) / j;return Math.round(res);};binomialCoefficient(8, 2); // 28