Initial commit

2026-07-01 17:56:31 +08:00
commit d78931979d
731 changed files with 311088 additions and 0 deletions
@@ -0,0 +1,66 @@
+function isCjkCodePoint(codePoint: number): boolean {
+  return (
+    (codePoint >= 0x3400 && codePoint <= 0x4dbf)
+    || (codePoint >= 0x4e00 && codePoint <= 0x9fff)
+    || (codePoint >= 0xf900 && codePoint <= 0xfaff)
+    || (codePoint >= 0x3040 && codePoint <= 0x30ff)
+    || (codePoint >= 0xac00 && codePoint <= 0xd7af)
+  )
+}
+
+function isCjkChar(ch: string): boolean {
+  const codePoint = ch.codePointAt(0)
+  return typeof codePoint === 'number' && isCjkCodePoint(codePoint)
+}
+
+function isWordChar(ch: string): boolean {
+  return !isCjkChar(ch) && /^[\p{L}\p{N}_]$/u.test(ch)
+}
+
+export function compactSessionTitle(input: string, maxUnits = 10, fallback = 'New Chat'): string {
+  const text = String(input || '').replace(/\s+/g, ' ').trim()
+  if (!text || maxUnits <= 0) return fallback
+
+  let units = 0
+  let index = 0
+  let cutIndex = text.length
+
+  while (index < text.length) {
+    const codePoint = text.codePointAt(index)
+    if (typeof codePoint !== 'number') break
+    const ch = String.fromCodePoint(codePoint)
+    if (/\s/.test(ch)) {
+      index += ch.length
+      continue
+    }
+    if (isCjkChar(ch)) {
+      units += 1
+      index += ch.length
+      if (units === maxUnits) {
+        cutIndex = index
+        break
+      }
+      continue
+    }
+    if (isWordChar(ch)) {
+      while (index < text.length) {
+        const innerCodePoint = text.codePointAt(index)
+        if (typeof innerCodePoint !== 'number') break
+        const innerChar = String.fromCodePoint(innerCodePoint)
+        if (!isWordChar(innerChar)) break
+        index += innerChar.length
+      }
+      units += 1
+      if (units === maxUnits) {
+        cutIndex = index
+        break
+      }
+      continue
+    }
+    index += ch.length
+  }
+
+  const compact = text.slice(0, cutIndex).trim() || fallback
+  const hasMoreUnits = Array.from(text.slice(cutIndex)).some(ch => isCjkChar(ch) || isWordChar(ch))
+  return hasMoreUnits ? `${compact}...` : compact
+}