fixing markers

server/airtraffic.mjs

@@ -12,23 +12,16 @@ export async function getShapes() {
 		return JSON.parse(await readFile(SHAPES_PATH, 'utf8'))
 	}
 
-	const r    = await fetch('https://raw.githubusercontent.com/wiedehopf/tar1090/refs/heads/master/html/markers.js')
+	const r    = await fetch('https://raw.githubusercontent.com/wiedehopf/tar1090/refs/heads/master/html/markers.js', {
+		headers: { 'User-Agent': 'Mozilla/5.0' }
+	})
 	const text = await r.text()
 
-	// Rip out just the `let shapes = { ... }` block by finding the matching closing brace
-	const start = text.indexOf('let shapes = {')
-	if (start === -1) throw new Error('Could not find shapes definition in markers.js')
+	let shapes = {}
+	eval(text.replace('let shapes', 'shapes') + '; shapes = shapes;')
 
-	let depth = 0, end = -1
-	for (let i = start + 'let shapes = '.length; i < text.length; i++) {
-		if (text[i] === '{') depth++
-		else if (text[i] === '}') { depth--; if (depth === 0) { end = i + 1; break } }
-	}
-
-	if (end === -1) throw new Error('Could not find end of shapes definition')
-
-	// Use Function to eval the JS object safely (avoids JSON.parse issues with unquoted keys, comments etc)
-	const shapes = new Function(`return ${text.slice(start + 'let shapes = '.length, end)}`)()
+	const fn = new Function(`${text.replace('let shapes', 'var shapes')}; return shapes;`)
+	shapes = fn()
 
 	await writeFile(SHAPES_PATH, JSON.stringify(shapes))
 	return shapes