0.3 增加登录模块

wolai-frontend/convex/_utils/text.ts

@@ -0,0 +1,101 @@
+function pushText(out: string[], value: unknown) {
+  const s = typeof value === "string" ? value : null;
+  if (!s) return;
+  const trimmed = s.replace(/\s+/g, " ").trim();
+  if (!trimmed) return;
+  out.push(trimmed);
+}
+
+export function extractTextFromDocumentContent(content: unknown, maxChars = 60000): string {
+  const out: string[] = [];
+
+  const readPropText = (value: unknown) => {
+    if (!value || typeof value !== "object") return null;
+    const t = (value as Record<string, unknown>).text;
+    return typeof t === "string" ? t : null;
+  };
+
+  const walk = (node: unknown) => {
+    if (out.join("\n").length >= maxChars) return;
+
+    if (node == null) return;
+    if (typeof node === "string") {
+      pushText(out, node);
+      return;
+    }
+    if (typeof node === "number" || typeof node === "boolean") return;
+
+    if (Array.isArray(node)) {
+      for (const item of node) {
+        walk(item);
+        if (out.join("\n").length >= maxChars) return;
+      }
+      return;
+    }
+
+    if (typeof node === "object") {
+      const obj = node as Record<string, unknown>;
+
+      // 兼容常见 BlockNote 结构：
+      // - block.props.text
+      // - block.content: [{ text: "..." }, ...]
+      // - block.children: [...]
+      pushText(out, obj.text);
+      pushText(out, readPropText(obj.props));
+
+      const maybeContent = obj.content;
+      if (Array.isArray(maybeContent)) {
+        for (const seg of maybeContent) {
+          if (typeof seg === "string") pushText(out, seg);
+          else if (seg && typeof seg === "object") pushText(out, readPropText(seg));
+          if (out.join("\n").length >= maxChars) return;
+        }
+      }
+
+      const children = obj.children;
+      if (Array.isArray(children)) {
+        for (const c of children) {
+          walk(c);
+          if (out.join("\n").length >= maxChars) return;
+        }
+      }
+
+      // 兜底：遍历其它字段（避免遗漏 title/caption 等）
+      for (const [k, v] of Object.entries(obj)) {
+        if (k === "children" || k === "content" || k === "props" || k === "text") continue;
+        if (typeof v === "string") pushText(out, v);
+        else if (Array.isArray(v) || (v && typeof v === "object")) walk(v);
+        if (out.join("\n").length >= maxChars) return;
+      }
+    }
+  };
+
+  walk(content);
+
+  const joined = out.join("\n").trim();
+  return joined.length > maxChars ? `${joined.slice(0, maxChars)}…` : joined;
+}
+
+type MindmapNode = { data?: { text?: unknown }; children?: unknown[] };
+
+export function extractTextFromMindmapData(data: unknown, maxChars = 60000): string {
+  const out: string[] = [];
+
+  const walk = (node: unknown) => {
+    if (out.join("\n").length >= maxChars) return;
+    if (!node || typeof node !== "object") return;
+    const n = node as MindmapNode;
+    pushText(out, n.data?.text);
+    if (Array.isArray(n.children)) {
+      for (const c of n.children) {
+        walk(c);
+        if (out.join("\n").length >= maxChars) return;
+      }
+    }
+  };
+
+  walk(data);
+
+  const joined = out.join("\n").trim();
+  return joined.length > maxChars ? `${joined.slice(0, maxChars)}…` : joined;
+}