Support preSubmit return input

client/coral-embed-stream/src/tabs/stream/containers/CommentBox.js

@@ -65,9 +65,12 @@ class CommentBox extends React.Component {
     };
 
     // Execute preSubmit Hooks
-    this.state.hooks.preSubmit.forEach(hook =>
-      hook(input, this.handleBodyChange)
-    );
+    this.state.hooks.preSubmit.forEach(hook => {
+      const result = hook(input);
+      if (result) {
+        input = result;
+      }
+    });
     this.setState({ loadingState: 'loading' });
 
     postComment(input, 'comments')

plugins/talk-plugin-akismet/client/components/CheckSpamHook.js

@@ -15,8 +15,11 @@ export default class CheckSpamHook extends React.Component {
       // If we haven't check the spam yet, make sure to include `checkSpam=true` in the mutation.
       // Otherwise post comment without checking the spam.
       if (!this.checked) {
-        input.checkSpam = true;
         this.checked = true;
+        return {
+          ...input,
+          checkSpam: true,
+        };
       }
     });
 

plugins/talk-plugin-toxic-comments/client/components/CheckToxicityHook.js

@@ -15,8 +15,11 @@ export default class CheckToxicityHook extends React.Component {
       // If we haven't check the toxicity yet, make sure to include `checkToxicity=true` in the mutation.
       // Otherwise post comment without checking the toxicity.
       if (!this.checked) {
-        input.checkToxicity = true;
         this.checked = true;
+        return {
+          ...input,
+          checkToxicity: true,
+        };
       }
     });