feat(lexical): add declarative rich text editor

Introduce @workspace/lexical with composable actions, toolbars, embeds, rich-text nodes, media uploads, selection utilities, HTML serialization, and theme styling.\n\nLocalize built-in controls through MessageDescriptor catalogs for English and Simplified Chinese, while providing an English I18nProvider fallback for standalone editor use. Include focused unit coverage for actions, controls, serialization, plugins, public API, and catalogs.
2026-07-31 15:07:09 +08:00
parent 1fe9c1021a
commit 0d817537be
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+import type { ComponentProps } from "react"
+import { ContentEditable } from "@lexical/react/LexicalContentEditable"
+import { LexicalErrorBoundary } from "@lexical/react/LexicalErrorBoundary"
+import { RichTextPlugin } from "@lexical/react/LexicalRichTextPlugin"
+import { cn } from "@workspace/ui/lib/utils"
+
+import { LexicalActionTree } from "./actions-view"
+import { useLexicalActions } from "./actions-context"
+import { LexicalActionRuntimeProvider } from "./toolbar"
+import { useLexicalMessage } from "./i18n"
+import { lexicalMessages } from "./messages"
+
+export interface LexicalContentProps {
+  className?: string
+  placeholder?: string
+}
+
+export type LexicalFooterProps = ComponentProps<"div">
+
+export function LexicalContent({
+  className,
+  placeholder,
+}: LexicalContentProps) {
+  const resolvedPlaceholder = useLexicalMessage(
+    placeholder ?? lexicalMessages.contentPlaceholder
+  )
+
+  return (
+    <div className="relative">
+      <RichTextPlugin
+        contentEditable={
+          <ContentEditable
+            aria-placeholder={resolvedPlaceholder}
+            placeholder={
+              <div
+                data-slot="lexical-placeholder"
+                className="pointer-events-none absolute start-3 top-4 text-sm text-muted-foreground"
+              >
+                {resolvedPlaceholder}
+              </div>
+            }
+            className={cn("min-h-52 px-3 py-2 text-sm outline-none", className)}
+          />
+        }
+        ErrorBoundary={LexicalErrorBoundary}
+      />
+    </div>
+  )
+}
+
+export function LexicalFooter({
+  className,
+  children,
+  ...props
+}: LexicalFooterProps) {
+  const actions = useLexicalActions("footer")
+
+  if (actions.length === 0 && children == null) return null
+
+  return (
+    <LexicalActionRuntimeProvider>
+      <div
+        className={cn("flex items-center gap-1 border-t px-3 py-2", className)}
+        {...props}
+      >
+        <LexicalActionTree items={actions} />
+        {children}
+      </div>
+    </LexicalActionRuntimeProvider>
+  )
+}