kgabryje commented on code in PR #26155:
URL: https://github.com/apache/superset/pull/26155#discussion_r1435005633


##########
superset-frontend/src/components/AlteredSliceTag/index.jsx:
##########
@@ -107,67 +142,38 @@ export default class AlteredSliceTag extends 
React.Component {
       if (['filters', 'having', 'where'].includes(fdKey)) {
         return;
       }
-      if (!this.isEqualish(ofd[fdKey], cfd[fdKey])) {
+      if (!isEqualish(ofd[fdKey], cfd[fdKey])) {
         diffs[fdKey] = { before: ofd[fdKey], after: cfd[fdKey] };
       }
     });
     return diffs;
-  }
-
-  isEqualish(val1, val2) {
-    return isEqual(alterForComparison(val1), alterForComparison(val2));
-  }
-
-  formatValue(value, key, controlsMap) {
-    // Format display value based on the control type
-    // or the value type
-    if (value === undefined) {
-      return 'N/A';
-    }
-    if (value === null) {
-      return 'null';
-    }
-    if (controlsMap[key]?.type === 'AdhocFilterControl') {
-      if (!value.length) {
-        return '[]';
+  }, []);
+
+  useEffect(() => {
+    const diffs = getDiffs(props);
+    const controlsMap = getControlsForVizType(props.origFormData?.viz_type);
+    const rows = getRowsFromDiffs(diffs, controlsMap);
+    const hasDiffs = !isEmpty(diffs);
+    setRows(rows);
+    setHasDiffs(hasDiffs);
+  }, []);
+
+  useEffect(() => {
+    const diffs = getDiffs(props);
+
+    const updateStateWithDiffs = newProps => {
+      if (isEqual(prevProps.current, newProps)) {
+        return;
       }
-      return value
-        .map(v => {
-          const filterVal =
-            v.comparator && v.comparator.constructor === Array
-              ? `[${v.comparator.join(', ')}]`
-              : v.comparator;
-          return `${v.subject} ${v.operator} ${filterVal}`;
-        })
-        .join(', ');
-    }
-    if (controlsMap[key]?.type === 'BoundsControl') {
-      return `Min: ${value[0]}, Max: ${value[1]}`;
-    }
-    if (controlsMap[key]?.type === 'CollectionControl') {
-      return value.map(v => safeStringify(v)).join(', ');
-    }
-    if (
-      controlsMap[key]?.type === 'MetricsControl' &&
-      value.constructor === Array
-    ) {
-      const formattedValue = value.map(v => v?.label ?? v);
-      return formattedValue.length ? formattedValue.join(', ') : '[]';
-    }
-    if (typeof value === 'boolean') {
-      return value ? 'true' : 'false';
-    }
-    if (value.constructor === Array) {
-      const formattedValue = value.map(v => v?.label ?? v);
-      return formattedValue.length ? formattedValue.join(', ') : '[]';
-    }
-    if (typeof value === 'string' || typeof value === 'number') {
-      return value;
-    }
-    return safeStringify(value);
-  }
+      setRows(prevRows => getRowsFromDiffs(diffs, prevRows));
+      setHasDiffs(!isEmpty(diffs));
+    };
+
+    updateStateWithDiffs(props);
+    prevProps.current = props;
+  }, [getDiffs, props]);
 
-  renderModalBody() {
+  const renderModalBodyHandler = useCallback(() => {

Review Comment:
   nit: I wonder if `Handler` suffix makes sense here? Since it doesn't really 
"handle" anything, and really it could be a value instead of a function



##########
superset-frontend/src/components/AlteredSliceTag/index.jsx:
##########
@@ -188,39 +194,39 @@ export default class AlteredSliceTag extends 
React.Component {
     return (
       <TableView
         columns={columns}
-        data={this.state.rows}
+        data={rows}
         pageSize={50}
         className="table-condensed"
         columnsForWrapText={columnsForWrapText}
       />
     );
-  }
+  }, [rows]);
 
-  renderTriggerNode() {
-    return (
+  const renderTriggerNodeHandler = useCallback(

Review Comment:
   Same as above



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