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/** global: io */ |
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const socket = io.connect(); |
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const streamId = window.location.pathname.substring(1); |
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const autoScrool = true; |
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/** |
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* Gets element with log message data. |
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* |
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* @param {String} data Log message data. |
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*/ |
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function getCodeElement(data) { |
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const c = document.createElement('code'); |
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c.className = 'code blink hljs json'; |
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c.innerHTML = JSON.stringify(data, null, "\t"); |
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/** global: hljs */ |
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hljs.highlightBlock(c); |
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const pre = document.createElement('pre'); |
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pre.appendChild(c); |
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return pre; |
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} |
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/** |
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* Gets element with ip address. |
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* |
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* @param {String} ip Ip address. |
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*/ |
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function getIpElement(ip) { |
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const s = document.createElement('span'); |
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s.className = 'ip'; |
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s.innerHTML = ip; |
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return s; |
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} |
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/** |
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* Gets element with current date. |
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*/ |
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function getDateElement() { |
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const s = document.createElement('span'); |
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s.className = 'date'; |
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s.innerHTML = (new Date()).toLocaleDateString( |
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'en-GB', |
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{ hour: '2-digit', minute: '2-digit', second: '2-digit' }, |
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); |
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return s; |
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} |
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/** |
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* Gets element with tags content. |
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* |
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* @param {Object} data LOG.NEW payload. |
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*/ |
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function getTags(data) { |
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const d = document.createElement('div'); |
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d.className = 'tags'; |
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d.appendChild(getDateElement()); |
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d.appendChild(getIpElement(data.ip)); |
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return d; |
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} |
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/** |
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* Renders new log message. |
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* |
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* @param {Object} data LOG.NEW payload. |
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*/ |
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function renderJson(data) { |
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const p = document.createElement('p'); |
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p.appendChild(getTags(data)); |
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p.appendChild(getCodeElement(data.data)); |
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document.getElementById('root').appendChild(p); |
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if (autoScrool === true) { |
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window.scrollTo(0, document.body.scrollHeight); |
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} |
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} |
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/** |
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* Auto-scrolling to latest data. |
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*/ |
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window.onscroll = function () { |
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autoScrool = ( |
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(window.innerHeight + window.scrollY) >= document.body.offsetHeight |
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); |
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}; |
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/** |
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* Handler for new data. |
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* Renders data on web page (add to the bottom). |
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* |
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* @event LOG.NEW |
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*/ |
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socket.on('log', function (data) { |
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if (data.streamId === streamId) { |
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if (data.format === 'json') { |
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renderJson(data); |
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} |
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} |
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}); |
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