When starting input with operator, append to existing value instead of replacing (#2523)

Co-authored-by: Joshua Harris <2312397+JazzyJosh@users.noreply.github.com>

packages/desktop-client/src/components/table.tsx

@@ -339,11 +339,25 @@ function InputValue({
     }
   }
 
+  const ops = ['+', '-', '*', '/', '^'];
+
+  function valueIsASingleOperator(text) {
+    return text?.length === 1 && ops.includes(text.charAt(0));
+  }
+
+  function setValue_(text) {
+    if (valueIsASingleOperator(text)) {
+      setValue(defaultValue + text);
+    } else {
+      setValue(text);
+    }
+  }
+
   return (
     <Input
       {...props}
       value={value}
-      onChangeValue={text => setValue(text)}
+      onChangeValue={text => setValue_(text)}
       onBlur={onBlur_}
       onUpdate={onUpdate}
       onKeyDown={onKeyDown}

upcoming-release-notes/2523.md

+---
+category: Enhancements
+authors: [JazzyJosh]
+---
+
+Using any math operator on an input will begin a calculation starting with the existing value.