Set callback function defaults to no-op

src/index.js

@@ -1,54 +1,62 @@
-import {useEffect, useState} from 'react'
+import { useEffect, useState } from "react";
 
-const useClipboard = ({updateFrequency = 1000} = {}, onReadError) => {
-  const [clipboard, setClipboardContent] = useState('')
+const useClipboard = (
+  { updateFrequency = 1000 } = {},
+  onReadError = () => {}
+) => {
+  const [clipboard, setClipboardContent] = useState("");
 
-  const copyToClipboard = (clipboardContent, onCopyToClipboard, onWriteError) => {
+  const copyToClipboard = (
+    clipboardContent,
+    onCopyToClipboard = () => {},
+    onWriteError = () => {}
+  ) => {
     if (navigator.permissions && navigator.clipboard) {
-      navigator.permissions.query({name: 'clipboard-write'}).then(({state}) => {
-        if (['granted', 'prompt'].includes(state)) {
-          navigator.clipboard.writeText(clipboardContent).then(
-            () => {
-              setClipboardContent(clipboardContent)
-              onCopyToClipboard(clipboardContent)
-            },
-            onWriteError || (() => {})
-          )
-        }
-        else {
-          onWriteError({message: 'ClipboardWrite permission has been blocked as the user.'})
-        }
-      })
+      navigator.permissions
+        .query({ name: "clipboard-write" })
+        .then(({ state }) => {
+          if (["granted", "prompt"].includes(state)) {
+            navigator.clipboard.writeText(clipboardContent).then(() => {
+              setClipboardContent(clipboardContent);
+              onCopyToClipboard(clipboardContent);
+            }, onWriteError);
+          } else {
+            onWriteError({
+              message:
+                "ClipboardWrite permission has been blocked as the user.",
+            });
+          }
+        });
     }
-  }
+  };
 
   useEffect(() => {
-    let readClipboardIntervalId
+    let readClipboardIntervalId;
     if (navigator.permissions && navigator.clipboard) {
-      navigator.permissions.query({name: 'clipboard-read'}).then(({state}) => {
-        if (['granted', 'prompt'].includes(state)) {
-          readClipboardIntervalId = setInterval(() => {
-            navigator.clipboard.readText().then(
-              clipboardContent => {
-                setClipboardContent(clipboardContent)
-              },
-              onReadError ||  (() => {})
-            )
-          }, updateFrequency)
-            }
-        else {
-          onReadError({message: 'ClipboardRead permission has been blocked as the user.'})
-        }
-      })
+      navigator.permissions
+        .query({ name: "clipboard-read" })
+        .then(({ state }) => {
+          if (["granted", "prompt"].includes(state)) {
+            readClipboardIntervalId = setInterval(() => {
+              navigator.clipboard.readText().then((clipboardContent) => {
+                setClipboardContent(clipboardContent);
+              }, onReadError);
+            }, updateFrequency);
+          } else {
+            onReadError({
+              message: "ClipboardRead permission has been blocked as the user.",
+            });
+          }
+        });
     }
     return () => {
       if (navigator.clipboard) {
-        clearInterval(readClipboardIntervalId)
+        clearInterval(readClipboardIntervalId);
       }
-    }
-  }, [])
+    };
+  }, []);
 
-  return [clipboard, copyToClipboard]
-}
+  return [clipboard, copyToClipboard];
+};
 
-export default useClipboard
+export default useClipboard;