Unix converter

#!/usr/bin/env node

// Required parameters:
// @raycast.schemaVersion 1
// @raycast.title Unix Timestamp Converter
// @raycast.mode fullOutput
// @raycast.icon 🕒
// @raycast.argument1 { "type": "text", "placeholder": "Snippet JSON file path or Unix timestamp", "optional": true }
// Documentation:
// @raycast.description Pretty-print a JSON snippet file, converting Unix timestamps to readable UTC
// @raycast.author jorrit_harmamny
// @raycast.authorURL https://raycast.com/jorrit_harmamny

const fs = require("fs");
const path = require("path");

const input = process.argv[2];

function isUnixMsTimestamp(n) {
  return typeof n === "number" && n > 1e12 && n < 2e13;
}

function convertTimestamps(obj) {
  if (typeof obj === "number" && isUnixMsTimestamp(obj)) {
    return {
      original: obj,
      utc: new Date(obj).toISOString()
    };
  } else if (Array.isArray(obj)) {
    return obj.map(convertTimestamps);
  } else if (typeof obj === "object" && obj !== null) {
    const out = {};
    for (const key in obj) {
      out[key] = convertTimestamps(obj[key]);
    }
    return out;
  }
  return obj;
}

if (!input) {
  console.error("Please provide a JSON file path or a Unix timestamp.");
  process.exit(1);
}

// Try to parse as number first
const asNumber = Number(input);
if (!isNaN(asNumber) && isUnixMsTimestamp(asNumber)) {
  // Single timestamp mode
  console.log(JSON.stringify(convertTimestamps(asNumber), null, 2));
  process.exit(0);
}

// Otherwise, treat as file path
let data;
try {
  const raw = fs.readFileSync(input, "utf8");
  data = JSON.parse(raw);
} catch (e) {
  console.error("Failed to read or parse JSON file:", e.message);
  process.exit(1);
}

const converted = convertTimestamps(data);
console.log(JSON.stringify(converted, null, 2));