diff --git a/bun.lockb b/bun.lockb
index 42239b9..5e33967 100755
Binary files a/bun.lockb and b/bun.lockb differ
diff --git a/package.json b/package.json
index 32fb35b..50a9101 100644
--- a/package.json
+++ b/package.json
@@ -16,6 +16,7 @@
     "@astrojs/tailwind": "^5.1.2",
     "@types/react": "^18.3.12",
     "@types/react-dom": "^18.3.1",
+    "@jest/globals": "^27.4.6",
     "astro": "^4.16.7",
     "lucide-react": "^0.453.0",
     "react": "^18.3.1",
diff --git a/src/components/MicMasterFlex.tsx b/src/components/MicMasterFlex.tsx
index 44ede66..cd11612 100644
--- a/src/components/MicMasterFlex.tsx
+++ b/src/components/MicMasterFlex.tsx
@@ -1,4 +1,10 @@
 import React, { useState, useRef, useEffect } from 'react';
+
+type Microphone = {
+    id: string;
+    x: number;
+    y: number;
+};
 import { Copy, ZoomIn, ZoomOut, PlusCircle, Trash2, Hand, Edit2 } from 'lucide-react';
 import {
     gridToScreen,
@@ -7,11 +13,13 @@ import {
     handleMouseMove,
     handleMouseUp,
     handleCoordinateUpdate,
-    generateGridLines,
     getNumpyArrayString,
     copyToClipboard,
-    getCursor
-} from '../utils/micLogic';
+    getCursor,
+    generateGridLines,
+    type Point,
+    type Mode
+} from '../utils/micLogic.tsx';
 
 const MicMasterFlex = () => {
     const [microphones, setMicrophones] = useState<Microphone[]>([]);
@@ -21,6 +29,8 @@ const MicMasterFlex = () => {
     const [pan, setPan] = useState<Point>({ x: 0, y: 0 });
     const [isDragging, setIsDragging] = useState(false);
     const [dragStart, setDragStart] = useState<Point | null>(null);
+
+
     const [mode, setMode] = useState<Mode>('add');
     const [showEditDialog, setShowEditDialog] = useState(false);
     const [editX, setEditX] = useState('');
@@ -111,7 +121,28 @@ const MicMasterFlex = () => {
                     style={{ cursor: getCursor(mode) }}
                     onMouseDown={(e) => handleMouseDown(e, svgRef, setDragStart, setIsDragging)}
                     onMouseMove={(e) => handleMouseMove(e, svgRef, isDragging, mode, dragStart, setPan, setDragStart)}
-                    onMouseUp={(e) => handleMouseUp(e, svgRef, isDragging, dragStart, mode, hoveredMic, setMicrophones, setHoveredMic, setSelectedMic, setEditX, setEditY, setShowEditDialog, zoom, pan, microphones)}
+                    onMouseUp={(e) =>
+                        handleMouseUp(
+                            e,
+                            svgRef,
+                            isDragging,
+                            dragStart,
+                            mode,
+                            hoveredMic,
+                            setMicrophones,
+                            setHoveredMic,
+                            setSelectedMic,
+                            setEditX,
+                            setEditY,
+                            setShowEditDialog,
+                            setIsDragging,
+                            setDragStart,
+                            zoom,
+                            pan,
+                            microphones
+                        )
+                    }
+
                     onMouseLeave={() => setIsDragging(false)}
                 >
                     <g>
@@ -152,7 +183,7 @@ const MicMasterFlex = () => {
                 {showEditDialog && (
                     <div className="absolute top-1/2 left-1/2 transform -translate-x-1/2 -translate-y-1/2 bg-white p-4 rounded-lg shadow-lg z-20">
                         <h3 className="text-lg font-semibold mb-4">Edit Microphone Position</h3>
-                        <form onSubmit={(e) => handleCoordinateUpdate(e, selectedMic, editX, editY, setMicrophones, setShowEditDialog, setSelectedMic)} className="space-y-4">
+                        <form onSubmit={(e) => { e.preventDefault(); if (selectedMic !== null) { handleCoordinateUpdate(selectedMic.id, parseFloat(editX), parseFloat(editY), setMicrophones); } }} className="space-y-4">
                             <div>
                                 <label className="block text-sm font-medium text-gray-700">X Coordinate (m)</label>
                                 <input
diff --git a/src/pages/index.astro b/src/pages/index.astro
index f7ba495..b6d656b 100644
--- a/src/pages/index.astro
+++ b/src/pages/index.astro
@@ -7,5 +7,5 @@ import Layout from "../layouts/Layout.astro";
 	title="MicMasterFlex"
 	description="MicMasterFlex is an interactive configuration tool for microphone arrays"
 >
-	<MicMasterFlex client:only />
+	<MicMasterFlex client:only="react" />
 </Layout>
diff --git a/src/utils/micLogic.test.ts b/src/utils/micLogic.test.ts
index c46da8b..5ae4839 100644
--- a/src/utils/micLogic.test.ts
+++ b/src/utils/micLogic.test.ts
@@ -1,4 +1,5 @@
-import { gridToScreen, screenToGrid, handleMouseDown, handleMouseMove, handleMouseUp, handleCoordinateUpdate, generateGridLines, getNumpyArrayString, copyToClipboard, getCursor, Microphone, Point, Mode } from './micLogic';
+import { gridToScreen, screenToGrid, handleMouseDown, handleMouseMove, handleMouseUp, handleCoordinateUpdate, generateGridLines, getNumpyArrayString, copyToClipboard, getCursor, type Microphone, type Point, type Mode } from './micLogic';
+import { describe, test, expect } from '@jest/globals';
 
 describe('micLogic utility functions', () => {
     test('gridToScreen converts grid coordinates to screen coordinates correctly', () => {
diff --git a/src/utils/micLogic.ts b/src/utils/micLogic.tsx
similarity index 88%
rename from src/utils/micLogic.ts
rename to src/utils/micLogic.tsx
index 44fa9da..6702927 100644
--- a/src/utils/micLogic.ts
+++ b/src/utils/micLogic.tsx
@@ -8,7 +8,19 @@ export type Point = {
     x: number;
     y: number;
 }
-
+// micLogic.tsx
+export const handleCoordinateUpdate = (
+    micId: string,
+    newX: number,
+    newY: number,
+    setMicrophones: React.Dispatch<React.SetStateAction<Microphone[]>>
+) => {
+    setMicrophones(prevMics =>
+        prevMics.map(mic =>
+            mic.id === micId ? { ...mic, x: newX, y: newY } : mic
+        )
+    );
+};
 export type Mode = 'pan' | 'add' | 'delete' | 'edit';
 
 export const gridToScreen = (point: Point, zoom: number, pan: Point): Point => ({
@@ -64,6 +76,7 @@ export const handleMouseMove = (
     }
 };
 
+
 export const handleMouseUp = (
     e: React.MouseEvent,
     svgRef: React.RefObject<SVGSVGElement>,
@@ -77,9 +90,11 @@ export const handleMouseUp = (
     setEditX: React.Dispatch<React.SetStateAction<string>>,
     setEditY: React.Dispatch<React.SetStateAction<string>>,
     setShowEditDialog: React.Dispatch<React.SetStateAction<boolean>>,
+    setIsDragging: React.Dispatch<React.SetStateAction<boolean>>,
+    setDragStart: React.Dispatch<React.SetStateAction<Point | null>>, // No default function here
     zoom: number,
     pan: Point,
-    microphones: Microphone[]
+    microphones: Microphone[] = []
 ) => {
     if (!isDragging || !svgRef.current) return;
 
@@ -100,7 +115,7 @@ export const handleMouseUp = (
             };
             setMicrophones([...microphones, newMic]);
         } else if (mode === 'delete' && hoveredMic) {
-            setMicrophones(mics => mics.filter(m => m.id !== hoveredMic.id));
+            setMicrophones(mics => mics ? mics.filter(m => m.id !== hoveredMic.id) : []);
             setHoveredMic(null);
         } else if (mode === 'edit' && hoveredMic) {
             setSelectedMic(hoveredMic);
@@ -114,38 +129,16 @@ export const handleMouseUp = (
     setDragStart(null);
 };
 
-export const handleCoordinateUpdate = (
-    e: React.FormEvent,
-    selectedMic: Microphone | null,
-    editX: string,
-    editY: string,
-    setMicrophones: React.Dispatch<React.SetStateAction<Microphone[]>>,
-    setShowEditDialog: React.Dispatch<React.SetStateAction<boolean>>,
-    setSelectedMic: React.Dispatch<React.SetStateAction<Microphone | null>>
-) => {
-    e.preventDefault();
-    if (!selectedMic) return;
-
-    const x = parseFloat(editX);
-    const y = parseFloat(editY);
-
-    if (isNaN(x) || isNaN(y)) return;
 
-    setMicrophones(mics =>
-        mics.map(mic =>
-            mic.id === selectedMic.id ? { ...mic, x, y } : mic
-        )
-    );
-    setShowEditDialog(false);
-    setSelectedMic(null);
-};
+import React from 'react';
+import { gridToScreen as importedGridToScreen, type Point as ImportedPoint } from './micLogic'; // Adjust the path as necessary
 
 export const generateGridLines = (
     gridSize: number,
     gridDivisions: number,
     zoom: number,
     pan: Point
-) => {
+): React.ReactNode => {
     const lines = [];
     const step = gridSize / gridDivisions;
 
@@ -181,7 +174,7 @@ export const generateGridLines = (
         );
     }
 
-    return lines;
+    return <>{lines}</>;
 };
 
 export const getNumpyArrayString = (microphones: Microphone[]) => {