mirror of
https://github.com/tarampampam/error-pages.git
synced 2024-08-30 18:22:40 +00:00
282 lines
11 KiB
HTML
282 lines
11 KiB
HTML
<!DOCTYPE html>
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<!--
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Error {{ code }}: {{ message }}
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Description: {{ description }}
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-->
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<meta name="robots" content="noindex, nofollow"/>
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<title>{{ message }} ({{ code }})</title>
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<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
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<link href="https://fonts.googleapis.com/css2?family=Inconsolata:wght@400;700&display=swap" rel="stylesheet">
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<style>
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:root{--matrix-glyph-size:15px;--matrix-glyph-font-size:15px;--matrix-glyph-front-color:rgba(255, 255, 255, 0.8);--matrix-glyph-tail-color:#0f0;--matrix-overlay-color:rgba(0, 0, 0, 0.12)}
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body,html{margin:0;padding:0;background-color:#000;height:100vh}
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#matrix{display:block;position:fixed;width:100vw;height:100vh}
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.container{align-items:center;display:flex;justify-content:center;position:absolute;top:0;left:0;width:100vw;height:100vh;z-index:1}
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.container .message{background-color:rgba(0,0,0,.85);border:2px solid var(--matrix-glyph-tail-color);padding:15px 20px;margin:0 20px;font-family:Inconsolata,Helvetica,sans-serif;text-align:center;font-size:0;color:var(--matrix-glyph-tail-color);text-shadow:1px 0 2px var(--matrix-glyph-tail-color),-1px 0 2px var(--matrix-glyph-tail-color);box-shadow:1px 0 5px var(--matrix-glyph-tail-color),-1px 0 2px var(--matrix-glyph-tail-color);max-width:640px}
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.container .message h1{margin:0;font-size:52px}
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.container .message p{margin:.3em 0 0 0;font-size:17px;color:var(--matrix-glyph-front-color)}
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/* {{ if show_details }} */
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.container .details{margin-top:20px}
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.container .details ul{padding:0}
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.container .details code,.container .details span{font-size:11px}
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.container .details code{padding-left:7px}
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/* {{ end }} */
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.hidden {display:none}
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@media screen and (max-width:820px){
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:root{--matrix-glyph-size:10px;--matrix-glyph-font-size:10px}
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.container .message h1{font-size:38px}
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.container .message p{font-size:13px}
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/* {{ if show_details }} */
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.container .details code,.container .details span{font-size:11px}
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/* {{ end }} */
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}
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</style>
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</head>
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<body>
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<div class="container">
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<ul id="matrix-words" class="hidden">
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<li>{{ code }}</li>
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<li>{{ message }}</li>
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<li>{{ description }}</li>
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<li>{{ code }} {{ message }}</li>
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</ul>
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<div class="message">
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<h1>{{ code }}: <span data-l10n>{{ message }}</span></h1>
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<p data-l10n>{{ description }}</p>
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{{ if show_details }}
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<div class="details">
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<ul>
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{{- if host }}<li><span><span data-l10n>Host</span>:</span> <code>{{ host }}</code></li>{{ end -}}
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{{- if original_uri }}<li><span><span data-l10n>Original URI</span>:</span> <code>{{ original_uri }}</code></li>{{ end -}}
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{{- if forwarded_for }}<li><span><span data-l10n>Forwarded for</span>:</span> <code>{{ forwarded_for }}</code></li>{{ end -}}
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{{- if namespace }}<li><span><span data-l10n>Namespace</span>:</span> <code>{{ namespace }}</code></li>{{ end -}}
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{{- if ingress_name }}<li><span><span data-l10n>Ingress name</span>:</span> <code>{{ ingress_name }}</code></li>{{ end -}}
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{{- if service_name }}<li><span><span data-l10n>Service name</span>:</span> <code>{{ service_name }}</code></li>{{ end -}}
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{{- if service_port }}<li><span><span data-l10n>Service port</span>:</span> <code>{{ service_port }}</code></li>{{ end -}}
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{{- if request_id }}<li><span><span data-l10n>Request ID</span>:</span> <code>{{ request_id }}</code></li>{{ end -}}
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<li><span><span data-l10n>Timestamp</span>:</span> <code>{{ now.Unix }}</code></li>
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</ul>
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</div>
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{{ end }}
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</div>
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</div>
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<canvas id="matrix"></canvas>
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<script>
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'use strict';
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/**
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* @param {HTMLCanvasElement} $canvas
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* @constructor
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*/
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const Matrix = function ($canvas) {
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const symbols = 'ラドクリフマラソンわたしワタシんょンョたばこタバコとうきょうトウキョウ '.split('');
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/**
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* @return {string}
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*/
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const getRandomSymbol = function () {
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return symbols[Math.floor(Math.random() * symbols.length)];
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}
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const ctx = $canvas.getContext('2d');
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ctx.globalCompositeOperation = 'lighter'; // https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D/globalCompositeOperation
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this.redrawInterval = 90; // fade oud speed
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this.glyphSize = 0;
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this.rowsCapacity = 0;
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this.columnsCapacity = 0;
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/**
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* @return {void}
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*/
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this.init = () => {
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$canvas.width = $canvas.clientWidth;
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$canvas.height = $canvas.clientHeight;
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this.glyphSize = parseInt(getComputedStyle($canvas).getPropertyValue('--matrix-glyph-size'), 10);
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this.rowsCapacity = Math.ceil($canvas.clientHeight / this.glyphSize);
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this.columnsCapacity = Math.ceil($canvas.clientWidth / this.glyphSize);
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};
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/**
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* @param {string} symbol
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* @param {number} row
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* @param {number} column
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* @param {string} color
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*/
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const drawSymbol = (symbol, row, column, color) => {
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if (row > this.rowsCapacity || column > this.columnsCapacity) {
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return;
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}
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ctx.fillStyle = color;
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ctx.font = getComputedStyle($canvas).getPropertyValue('--matrix-glyph-font-size') + ' monospace';
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if (symbol.length > 1) {
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symbol = symbol.charAt(0); // only one char is allowed
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}
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let xOffset = 0, charCode = symbol.charCodeAt(0);
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if (charCode >= 33 && charCode <= 126) { // is ascii
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xOffset = this.glyphSize / 5;
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}
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ctx.fillText(symbol, (column * this.glyphSize) + xOffset, row * this.glyphSize);
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};
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/**
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* @param {number} column
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* @param {number} speed Lowest = fastest, largest = slowest
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* @param {string?} text
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* @param {number?} offset
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*/
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const drawLine = (column, speed, text, offset) => {
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let cursor = 0;
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const tailColor = getComputedStyle($canvas).getPropertyValue('--matrix-glyph-tail-color'),
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frontColor = getComputedStyle($canvas).getPropertyValue('--matrix-glyph-front-color');
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const handler = window.setInterval(() => {
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if (column > this.columnsCapacity) {
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return window.clearInterval(handler);
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}
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if (cursor <= this.rowsCapacity) {
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let symbol = getRandomSymbol();
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if (typeof text === 'string' && typeof offset === 'number') {
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if (cursor >= offset && text.length >= cursor - offset) {
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symbol = text.charAt(cursor - offset);
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}
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}
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if (typeof symbol === 'string' && symbol !== ' ') {
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const prev = cursor;
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window.setTimeout(() => { // redraw with a green color
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drawSymbol(symbol, prev, column, tailColor);
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}, speed / 1.3);
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drawSymbol(symbol, cursor, column, frontColor); // white color first
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}
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cursor++;
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} else {
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window.clearInterval(handler);
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}
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}, speed);
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};
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/**
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* @return {void}
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*/
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this.redraw = () => {
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ctx.fillStyle = getComputedStyle($canvas).getPropertyValue('--matrix-overlay-color');
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ctx.fillRect(0, 0, $canvas.clientWidth, $canvas.clientHeight);
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};
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let redrawIntervalHandler = undefined, dropsIntervalHandler = undefined;
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/**
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* @param {HTMLUListElement?} $linesList
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*/
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this.run = ($linesList) => {
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if (redrawIntervalHandler === undefined) {
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redrawIntervalHandler = window.setInterval(this.redraw, this.redrawInterval);
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}
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if (dropsIntervalHandler === undefined) {
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const fn = () => {
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const randomColumn = Math.floor(Math.random() * (this.columnsCapacity + 1)),
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minSpeed = 200, maxSpeed = 50,
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randomSpeed = Math.floor(Math.random() * (maxSpeed - minSpeed + 1)) + minSpeed;
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const list = [];
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let line = undefined, offset = undefined;
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if ($linesList !== undefined) {
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Array.prototype.forEach.call($linesList.querySelectorAll('li'), $li => {
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const text = $li.innerText.trim();
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if (text.length > 0) {
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list.push(text);
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}
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});
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if (list.length > 0 && Math.random() > 0.4) {
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line = list[Math.floor(Math.random() * list.length)];
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offset = Math.floor(Math.random() * line.length);
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if (offset <= 5) {
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offset *= 3;
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}
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}
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}
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drawLine(randomColumn, randomSpeed, line, offset);
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if (dropsIntervalHandler !== undefined) {
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window.clearInterval(dropsIntervalHandler);
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dropsIntervalHandler = undefined;
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}
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dropsIntervalHandler = window.setInterval(fn, ((minSpeed + maxSpeed) / 2 * this.rowsCapacity) / this.columnsCapacity / 0.5);
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};
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fn();
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}
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};
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/**
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* @return {void}
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*/
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this.stop = () => {
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if (redrawIntervalHandler !== undefined) {
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window.clearInterval(redrawIntervalHandler);
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redrawIntervalHandler = undefined;
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}
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if (dropsIntervalHandler !== undefined) {
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window.clearInterval(dropsIntervalHandler);
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dropsIntervalHandler = undefined;
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}
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};
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if (typeof ResizeObserver === 'function') {
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(new ResizeObserver(this.init)).observe($canvas);
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} else {
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this.init();
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}
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};
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(new Matrix(document.getElementById('matrix'))).run(document.getElementById('matrix-words'));
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// {{ if l10n_enabled }}
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if (navigator.language.substring(0, 2).toLowerCase() !== 'en') {
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((s, p) => { // localize the page (details here - https://github.com/tarampampam/error-pages/tree/master/l10n)
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s.src = 'https://cdn.jsdelivr.net/gh/tarampampam/error-pages@2/l10n/l10n.min.js'; // '../l10n/l10n.js';
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s.async = s.defer = true;
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s.addEventListener('load', () => p.removeChild(s));
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p.appendChild(s);
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})(document.createElement('script'), document.body);
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}
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// {{ end }}
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</script>
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</body>
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<!--
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Error {{ code }}: {{ message }}
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Description: {{ description }}
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-->
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</html>
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