fix(maps): backport attribution sanitizer fix without dropping WebGL1

client/scripts/patch-maplibre.mjs

@@ -0,0 +1,34 @@
+import { readFileSync, writeFileSync } from 'node:fs'
+import { createRequire } from 'node:module'
+import { dirname, join } from 'node:path'
+
+const require = createRequire(import.meta.url)
+const packagePath = require.resolve('maplibre-gl/package.json')
+const { version } = JSON.parse(readFileSync(packagePath, 'utf8'))
+
+if (version !== '5.24.0') throw new Error('Recheck the MapLibre sanitizer backport before changing its version')
+
+// Backport maplibre-gl-js#8189 without removing WebGL1 support in version 6.
+const loops = [
+  ['of elem.attributes)', 'of Array.from(elem.attributes))'],
+  ['of e.attributes)', 'of Array.from(e.attributes))'],
+]
+
+for (const filename of [
+  'src/util/dom.ts',
+  'dist/maplibre-gl.js',
+  'dist/maplibre-gl-dev.js',
+  'dist/maplibre-gl-csp.js',
+  'dist/maplibre-gl-csp-dev.js',
+]) {
+  const target = join(dirname(packagePath), filename)
+  const code = readFileSync(target, 'utf8')
+  const loop = loops.find(([before, after]) => code.includes(before) || code.includes(after))
+  if (!loop) throw new Error(`MapLibre sanitizer loop not found in ${filename}`)
+  const [before, after] = loop
+  if (code.split(before).length === 1 && code.split(after).length === 2) continue
+  if (code.split(before).length !== 2 || code.includes(after)) {
+    throw new Error(`Unexpected MapLibre sanitizer in ${filename}`)
+  }
+  writeFileSync(target, code.replace(before, after))
+}