fix: add execCommand fallback for clipboard (#1927)

* fix: add execCommand fallback for clipboard

apps/client/src/hooks/use-clipboard.ts

@@ -0,0 +1,60 @@
+// Source: https://github.com/mantinedev/mantine/blob/master/packages/@mantine/hooks/src/use-clipboard/use-clipboard.ts
+// polyfilled to support execCommand fallback
+import { useState } from "react";
+import { execCommandCopy } from "@docmost/editor-ext";
+
+export type UseClipboardOptions = {
+  timeout?: number;
+};
+
+export type UseClipboardReturnValue = {
+  copy: (value: string) => void;
+  reset: () => void;
+  error: Error | null;
+  copied: boolean;
+};
+
+export function useClipboard(
+  options: UseClipboardOptions = { timeout: 2000 },
+): UseClipboardReturnValue {
+  const [error, setError] = useState<Error | null>(null);
+  const [copied, setCopied] = useState(false);
+  const [copyTimeout, setCopyTimeout] = useState<number | null>(null);
+
+  const handleCopyResult = (value: boolean) => {
+    window.clearTimeout(copyTimeout!);
+    setCopyTimeout(window.setTimeout(() => setCopied(false), options.timeout));
+    setCopied(value);
+  };
+
+  const copy = (value: string) => {
+    if ("clipboard" in navigator) {
+      navigator.clipboard
+        .writeText(value)
+        .then(() => handleCopyResult(true))
+        .catch(() => {
+          try {
+            execCommandCopy(value);
+            handleCopyResult(true);
+          } catch (err) {
+            setError(err instanceof Error ? err : new Error("Failed to copy"));
+          }
+        });
+    } else {
+      try {
+        execCommandCopy(value);
+        handleCopyResult(true);
+      } catch (err) {
+        setError(err instanceof Error ? err : new Error("Failed to copy"));
+      }
+    }
+  };
+
+  const reset = () => {
+    setCopied(false);
+    setError(null);
+    window.clearTimeout(copyTimeout!);
+  };
+
+  return { copy, reset, error, copied };
+}