chore: import upstream snapshot with attribution

opensquilla-webui/scripts/normalize-dist.mjs

@@ -0,0 +1,62 @@
+import { readdirSync, readFileSync, statSync, writeFileSync } from 'node:fs'
+import { resolve } from 'node:path'
+
+const distDir = resolve(import.meta.dirname, '../../src/opensquilla/gateway/static/dist')
+const textFilePattern = /\.(css|html|js|map)$/
+
+function normalizeNewlines(value) {
+  return value.replace(/\r\n/g, '\n').replace(/\r/g, '')
+}
+
+function normalizeSourceMap(content) {
+  try {
+    const parsed = JSON.parse(normalizeNewlines(content))
+    return JSON.stringify(replaceWindowsNewlines(parsed))
+  } catch {
+    return normalizeNewlines(content)
+  }
+}
+
+function replaceWindowsNewlines(value) {
+  if (Array.isArray(value)) {
+    return value.map(replaceWindowsNewlines)
+  }
+  if (value && typeof value === 'object') {
+    return Object.fromEntries(
+      Object.entries(value).map(([key, entry]) => [key, replaceWindowsNewlines(entry)]),
+    )
+  }
+  if (typeof value === 'string') {
+    return normalizeNewlines(value)
+  }
+  return value
+}
+
+function normalizeFile(path) {
+  const before = readFileSync(path, 'utf8')
+  let after = path.endsWith('.map') ? normalizeSourceMap(before) : normalizeNewlines(before)
+
+  if (path.endsWith('.css')) {
+    after = after.replace(/\n+$/g, '')
+  }
+
+  if (after !== before) {
+    writeFileSync(path, after, 'utf8')
+  }
+}
+
+function walk(dir) {
+  for (const entry of readdirSync(dir)) {
+    const path = resolve(dir, entry)
+    const stat = statSync(path)
+    if (stat.isDirectory()) {
+      walk(path)
+      continue
+    }
+    if (textFilePattern.test(entry)) {
+      normalizeFile(path)
+    }
+  }
+}
+
+walk(distDir)