Vibe coded "timestamps"
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38
site/timestamps/index.html
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38
site/timestamps/index.html
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<!DOCTYPE html>
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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=1.0">
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<title>Timestamp Converter</title>
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<link rel="stylesheet" href="style.css">
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</head>
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<body>
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<div class="container">
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<h1>Timestamp Converter</h1>
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<div class="controls">
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<select id="operation">
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<option value="unix">Convert from Unix</option>
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<option value="unix_micro">Convert from Unix Micro</option>
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<option value="to_utc">To UTC</option>
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<option value="from_utc">From UTC</option>
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</select>
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<div class="timezone-selector">
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<label>
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<input type="radio" name="timezone" value="utc" checked> UTC
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</label>
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<label>
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<input type="radio" name="timezone" value="local"> Local
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</label>
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</div>
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</div>
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<div class="editor-pane">
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<textarea id="input" placeholder="Enter timestamps here (one per line)..." spellcheck="false"></textarea>
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<textarea id="output" readonly placeholder="Results will appear here..." spellcheck="false"></textarea>
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</div>
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</div>
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<script src="main.js" type="module"></script>
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</body>
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</html>
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8
site/timestamps/main.js
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8
site/timestamps/main.js
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import "/wasm/wasm_exec.js";
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const go = new Go();
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WebAssembly.instantiateStreaming(fetch("/wasm/timestamps.wasm"), go.importObject)
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.then((result) => {
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go.run(result.instance);
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});
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91
site/timestamps/style.css
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91
site/timestamps/style.css
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body {
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font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
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margin: 0;
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padding: 20px;
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background-color: #f5f5f5;
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height: 100vh;
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box-sizing: border-box;
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display: flex;
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flex-direction: column;
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}
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.container {
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display: flex;
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flex-direction: column;
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height: 100%;
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max-width: 1200px;
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margin: 0 auto;
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width: 100%;
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}
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h1 {
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margin-top: 0;
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margin-bottom: 20px;
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font-size: 24px;
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color: #333;
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}
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.controls {
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margin-bottom: 15px;
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display: flex;
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align-items: center;
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gap: 20px;
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background: white;
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padding: 15px;
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border-radius: 8px;
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box-shadow: 0 2px 4px rgba(0,0,0,0.05);
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}
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select {
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padding: 8px 12px;
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font-size: 14px;
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border: 1px solid #ddd;
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border-radius: 4px;
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background-color: white;
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}
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.timezone-selector {
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display: flex;
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gap: 15px;
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}
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.timezone-selector label {
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display: flex;
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align-items: center;
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gap: 6px;
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cursor: pointer;
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font-size: 14px;
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color: #555;
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}
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.editor-pane {
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display: flex;
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gap: 20px;
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flex: 1;
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min-height: 0; /* Important for nested flex scrolling */
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}
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textarea {
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flex: 1;
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padding: 15px;
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border: 1px solid #ddd;
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border-radius: 8px;
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resize: none;
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font-family: "SF Mono", "Monaco", "Inconsolata", "Fira Mono", "Droid Sans Mono", "Source Code Pro", monospace;
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font-size: 13px;
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line-height: 1.5;
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white-space: pre;
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overflow-y: auto;
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background-color: white;
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}
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textarea:focus {
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outline: none;
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border-color: #007bff;
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box-shadow: 0 0 0 2px rgba(0,123,255,0.1);
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}
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#output {
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background-color: #f8f9fa;
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color: #333;
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}
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103
site/timestamps/test_logic.js
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site/timestamps/test_logic.js
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function processLine(line, operation, timezone) {
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if (!line.trim() || line.trim().startsWith('#')) {
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return line;
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}
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try {
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let date;
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const trimmedLine = line.trim();
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switch (operation) {
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case 'unix':
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// Input is seconds
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date = new Date(Number(trimmedLine) * 1000);
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break;
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case 'unix_micro':
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// Input is milliseconds
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date = new Date(Number(trimmedLine));
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break;
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case 'to_utc':
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case 'from_utc':
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// Input is ISO 8601
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date = new Date(trimmedLine);
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break;
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}
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if (isNaN(date.getTime())) {
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return 'Invalid Date';
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}
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if (operation === 'to_utc') {
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let dateToConvert = date;
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if (timezone === 'utc' && !trimmedLine.toUpperCase().endsWith('Z') && !trimmedLine.match(/[+-]\d{2}:?\d{2}$/)) {
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dateToConvert = new Date(trimmedLine + 'Z');
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}
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return dateToConvert.toISOString();
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}
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if (operation === 'from_utc') {
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let dateFromUtc;
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if (!trimmedLine.toUpperCase().endsWith('Z') && !trimmedLine.match(/[+-]\d{2}:?\d{2}$/)) {
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dateFromUtc = new Date(trimmedLine + 'Z');
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} else {
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dateFromUtc = new Date(trimmedLine);
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}
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if (timezone === 'utc') {
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return dateFromUtc.toISOString();
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} else {
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// Local
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const offset = dateFromUtc.getTimezoneOffset();
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const localDate = new Date(dateFromUtc.getTime() - (offset * 60 * 1000));
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return localDate.toISOString().slice(0, -1);
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}
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}
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// For Unix conversions:
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if (timezone === 'utc') {
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return date.toISOString();
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} else {
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// Local
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const offset = date.getTimezoneOffset();
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const localDate = new Date(date.getTime() - (offset * 60 * 1000));
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return localDate.toISOString().slice(0, -1);
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}
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} catch (e) {
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return 'Error';
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}
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}
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// Tests
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console.log("Running tests...");
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// 1. Unix to UTC
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const t1 = processLine('1672531200', 'unix', 'utc');
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console.log(`1. Unix to UTC: ${t1} (Expected: 2023-01-01T00:00:00.000Z)`);
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if (t1 !== '2023-01-01T00:00:00.000Z') console.error("FAIL");
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// 2. Unix Micro to UTC
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const t2 = processLine('1672531200000', 'unix_micro', 'utc');
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console.log(`2. Unix Micro to UTC: ${t2} (Expected: 2023-01-01T00:00:00.000Z)`);
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if (t2 !== '2023-01-01T00:00:00.000Z') console.error("FAIL");
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// 3. To UTC (from Local input)
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// Note: Node.js server might be in UTC or Local.
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// If I run this on a machine, "Local" depends on system time.
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// However, the logic for 'to_utc' with 'utc' timezone forces Z.
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const t3 = processLine('2023-01-01T00:00:00', 'to_utc', 'utc');
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console.log(`3. To UTC (input no offset, selected UTC): ${t3} (Expected: 2023-01-01T00:00:00.000Z)`);
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if (t3 !== '2023-01-01T00:00:00.000Z') console.error("FAIL");
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// 4. From UTC (to UTC)
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const t4 = processLine('2023-01-01T00:00:00', 'from_utc', 'utc');
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console.log(`4. From UTC (input no offset, selected UTC): ${t4} (Expected: 2023-01-01T00:00:00.000Z)`);
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if (t4 !== '2023-01-01T00:00:00.000Z') console.error("FAIL");
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// 5. Comment
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const t5 = processLine('# comment', 'unix', 'utc');
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console.log(`5. Comment: ${t5} (Expected: # comment)`);
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if (t5 !== '# comment') console.error("FAIL");
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console.log("Tests finished.");
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