Add plain text clipboard transfers and refine input feedback

packages/shared/src/clipboard.js

@@ -0,0 +1,36 @@
+/** @param {string} value @returns {{kind: 'url', url: string} | {kind: 'text', text: string}} */
+export function classifyClipboard(value) {
+  const candidate = value.trim();
+  const text = () => ({ kind: /** @type {'text'} */ ('text'), text: value });
+  if (!candidate || /[\r\n]/.test(value) || /\s/.test(candidate)) return text();
+  // Recognize a bare domain without interpreting an ordinary sentence as a URL.
+  const bareDomain =
+    /^(?:[\p{L}\p{N}](?:[\p{L}\p{N}-]*[\p{L}\p{N}])?\.)+[\p{L}]{2,}(?::\d{1,5})?(?:[/?#][^\s]*)?$/u.test(
+      candidate,
+    );
+  try {
+    if (!/^https?:\/\//i.test(candidate) && !bareDomain) return text();
+    const url = new URL(/^https?:\/\//i.test(candidate) ? candidate : `https://${candidate}`);
+    if (
+      !['http:', 'https:'].includes(url.protocol) ||
+      !url.hostname ||
+      url.username ||
+      url.password
+    )
+      return text();
+    return { kind: 'url', url: url.href };
+  } catch {
+    return text();
+  }
+}
+
+/** @param {string} value */
+export function clipboardCharacterCount(value) {
+  if (typeof Intl.Segmenter === 'function') {
+    let count = 0;
+    for (const _ of new Intl.Segmenter(undefined, { granularity: 'grapheme' }).segment(value))
+      count++;
+    return count;
+  }
+  return Array.from(value).length;
+}

packages/shared/src/index.ts

@@ -1,11 +1,13 @@
 import { z } from 'zod';
+export { classifyClipboard, clipboardCharacterCount } from './clipboard.js';
+export const DEVICE_NAME_MAX_LENGTH = 40;
 export const devicePatch = z
   .object({
     name: z
       .string()
       .trim()
       .min(1)
-      .max(40)
+      .max(DEVICE_NAME_MAX_LENGTH)
       .refine((v) => !/[\x00-\x1f\x7f<>]/.test(v), '제어문자와 HTML 문자는 사용할 수 없습니다.')
       .optional(),
     discoverable: z.boolean().optional(),
@@ -25,7 +27,7 @@ export const fileMetadata = z
 export const requestInput = z
   .object({
     targetDeviceId: z.uuid(),
-    kind: z.enum(['url', 'file']),
+    kind: z.enum(['url', 'text', 'file']),
     byteSize: z.number().int().min(0).max(Number.MAX_SAFE_INTEGER),
     count: z.number().int().min(1).max(1000),
     files: z.array(fileMetadata).max(1000).optional(),
@@ -36,13 +38,13 @@ export const requestInput = z
       ? Boolean(
           v.files?.length === v.count && v.files.reduce((sum, f) => sum + f.size, 0) === v.byteSize,
         )
-      : !v.files,
+      : !v.files && (v.kind !== 'text' || v.count === 1),
   );
-export const completeInput = z
-  .object({
-    urls: z.array(z.string().max(8192)).min(1).max(20),
-  })
-  .strict();
+export const completeInput = z.union([
+  z.object({ urls: z.array(z.string().max(8192)).min(1).max(20) }).strict(),
+  z.object({ text: z.string().min(1).max(1048576) }).strict(),
+]);
+export type CompleteInput = z.infer<typeof completeInput>;
 export const spaceInput = z.object({ approvalRequired: z.boolean().default(false) }).strict();
 export const joinInput = z
   .object({
@@ -73,7 +75,7 @@ export type TransferRequest = {
   batchId: string;
   senderDevice: Device | null;
   recipientDevice: Device | null;
-  kind: 'url' | 'file';
+  kind: 'url' | 'text' | 'file';
   byteSize: number;
   count: number;
   status: RequestStatus;
@@ -94,8 +96,9 @@ export type Item = {
   accessId: string;
   id: string;
   batchId: string;
-  kind: 'url' | 'file';
+  kind: 'url' | 'text' | 'file';
   url: string | null;
+  text?: string | null;
   file?: { id: string; name: string; size: number; type: string };
   role: 'sender' | 'recipient' | 'self';
   read: boolean;
@@ -149,7 +152,7 @@ export type AccountItem = Item & {
 export type EmailRequest = {
   id: string;
   batchId: string;
-  kind: 'url' | 'file';
+  kind: 'url' | 'text' | 'file';
   byteSize: number;
   count: number;
   status: RequestStatus;
@@ -177,5 +180,5 @@ export const emailRequestInput = z
       ? Boolean(
           v.files?.length === v.count && v.files.reduce((sum, f) => sum + f.size, 0) === v.byteSize,
         )
-      : !v.files,
+      : !v.files && (v.kind !== 'text' || v.count === 1),
   );