diff --git a/dist/sigpro-grid.esm.js b/dist/sigpro-grid.esm.js
index 366f2ed..2113ff7 100644
--- a/dist/sigpro-grid.esm.js
+++ b/dist/sigpro-grid.esm.js
@@ -1,4 +1,4 @@
-// index.js
+// src/sigpro-grid.js
 import { h, watch, onUnmount } from "sigpro";
 
 // node_modules/ag-grid-community/dist/package/main.esm.mjs
@@ -77564,7 +77564,7 @@ var CARTESIAN_AXIS_TYPES = ["number", "category", "time", "grouped-category"];
 var POLAR_AXIS_TYPES = ["angle-category", "angle-number", "radius-category", "radius-number"];
 var VALID_AXIS_TYPES = [...CARTESIAN_AXIS_TYPES, ...POLAR_AXIS_TYPES];
 
-// index.js
+// src/sigpro-grid.js
 ModuleRegistry.registerModules([
   ValidationModule,
   ColumnAutoSizeModule,
diff --git a/package.json b/package.json
index 6c66ed2..dd53c39 100644
--- a/package.json
+++ b/package.json
@@ -14,8 +14,8 @@
   ],
   "scripts": {
     "clean": "rm -rf dist",
-    "build:esm": "bun build ./index.js --bundle --external sigpro --outfile=./dist/sigpro-grid.esm.js --format=esm",
-    "build:esm:min": "bun build ./index.js --bundle --external sigpro --outfile=./dist/sigpro-grid.esm.min.js --format=esm --minify",
+    "build:esm": "bun build ./src/sigpro-grid.js --bundle --external sigpro --outfile=./dist/sigpro-grid.esm.js --format=esm",
+    "build:esm:min": "bun build ./src/sigpro-grid.js --bundle --external sigpro --outfile=./dist/sigpro-grid.esm.min.js --format=esm --minify",
     "build": "bun run clean && bun run build:esm && bun run build:esm:min",
     "prepublishOnly": "npm run build"
   },
diff --git a/sigpro.js b/sigpro.js
deleted file mode 100644
index db6e922..0000000
--- a/sigpro.js
+++ /dev/null
@@ -1,433 +0,0 @@
-const isFunc = f => typeof f === "function"
-const isObj = o => o && typeof o === "object"
-const isArr = Array.isArray
-const doc = typeof document !== "undefined" ? document : null
-const ensureNode = n => n?._isRuntime ? n.container : (n instanceof Node ? n : doc.createTextNode(n == null ? "" : String(n)))
-
-let activeEffect = null
-let activeOwner = null
-let isFlushing = false
-let batchDepth = 0
-const effectQueue = new Set()
-const MOUNTED_NODES = new WeakMap()
-
-const SVG_NS = "http://www.w3.org/2000/svg"
-const XLINK_NS = "http://www.w3.org/1999/xlink"
-const SVG_TAGS = new Set("svg,path,circle,rect,line,polyline,polygon,g,defs,text,textPath,tspan,use,symbol,image,marker,ellipse".split(","))
-
-const dispose = eff => {
-  if (!eff || eff._disposed) return
-  eff._disposed = true
-  const stack = [eff]
-  while (stack.length) {
-    const e = stack.pop()
-    if (e._cleanups) {
-      e._cleanups.forEach(fn => fn())
-      e._cleanups.clear()
-    }
-    if (e._children) {
-      e._children.forEach(child => stack.push(child))
-      e._children.clear()
-    }
-    if (e._deps) {
-      e._deps.forEach(depSet => depSet.delete(e))
-      e._deps.clear()
-    }
-  }
-}
-
-const onUnmount = fn => {
-  if (activeOwner) (activeOwner._cleanups ||= new Set()).add(fn)
-}
-
-const untrack = fn => {
-  const p = activeEffect
-  activeEffect = null
-  try { return fn() } finally { activeEffect = p }
-}
-
-const createEffect = (fn, isComputed = false) => {
-  const effect = () => {
-    if (effect._disposed) return
-    if (effect._deps) effect._deps.forEach(s => s.delete(effect))
-    if (effect._cleanups) {
-      effect._cleanups.forEach(c => c())
-      effect._cleanups.clear()
-    }
-    const prevEffect = activeEffect
-    const prevOwner = activeOwner
-    activeEffect = activeOwner = effect
-    try {
-      return effect._result = fn()
-    } catch (e) {
-      console.error("[SigPro]", e)
-    } finally {
-      activeEffect = prevEffect
-      activeOwner = prevOwner
-    }
-  }
-  effect._deps = effect._cleanups = effect._children = null
-  effect._disposed = false
-  effect._isComputed = isComputed
-  effect._depth = activeEffect ? activeEffect._depth + 1 : 0
-  effect._mounts = []
-  effect._parent = activeOwner
-  if (activeOwner) (activeOwner._children ||= new Set()).add(effect)
-  return effect
-}
-
-const flush = () => {
-  if (isFlushing) return
-  isFlushing = true
-  const sorted = Array.from(effectQueue).sort((a, b) => a._depth - b._depth)
-  effectQueue.clear()
-  for (const e of sorted) if (!e._disposed) e()
-  isFlushing = false
-}
-
-const batch = fn => {
-  batchDepth++
-  try {
-    return fn()
-  } finally {
-    batchDepth--
-    if (batchDepth === 0 && effectQueue.size > 0 && !isFlushing) flush()
-  }
-}
-
-const trackUpdate = (subs, trigger = false) => {
-  if (!trigger && activeEffect && !activeEffect._disposed) {
-    subs.add(activeEffect);
-    (activeEffect._deps ||= new Set()).add(subs)
-  } else if (trigger && subs.size > 0) {
-    let hasQueue = false
-    for (const e of subs) {
-      if (e === activeEffect || e._disposed) continue
-      if (e._isComputed) {
-        e._dirty = true
-        if (e._subs) trackUpdate(e._subs, true)
-      } else {
-        effectQueue.add(e)
-        hasQueue = true
-      }
-    }
-    if (hasQueue && !isFlushing && batchDepth === 0) queueMicrotask(flush)
-  }
-}
-
-const $ = (val, key = null) => {
-  const subs = new Set()
-  if (isFunc(val)) {
-    let cache
-    const computed = () => {
-      if (computed._dirty) {
-        const prev = activeEffect
-        activeEffect = computed
-        try {
-          const next = val()
-          if (!Object.is(cache, next)) {
-            cache = next
-            trackUpdate(subs, true)
-          }
-        } finally {
-          activeEffect = prev
-        }
-        computed._dirty = false
-      }
-      trackUpdate(subs)
-      return cache
-    }
-    computed._isComputed = true
-    computed._subs = subs
-    computed._dirty = true
-    computed._deps = null
-    computed._disposed = false
-    return computed
-  }
-  if (key) try { val = JSON.parse(localStorage.getItem(key)) ?? val } catch (e) { }
-  return (...args) => {
-    if (args.length) {
-      const next = isFunc(args[0]) ? args[0](val) : args[0]
-      if (!Object.is(val, next)) {
-        val = next
-        if (key) localStorage.setItem(key, JSON.stringify(val))
-        trackUpdate(subs, true)
-      }
-    }
-    trackUpdate(subs)
-    return val
-  }
-}
-
-const watch = (sources, cb) => {
-  if (cb === undefined) {
-    const effect = createEffect(sources)
-    effect()
-    return () => dispose(effect)
-  }
-  const effect = createEffect(() => {
-    const vals = isArr(sources) ? sources.map(s => s()) : sources()
-    untrack(() => cb(vals))
-  })
-  effect()
-  return () => dispose(effect)
-}
-
-const cleanupNode = (node) => {
-  if (!node) return;
-  if (node._cleanups) {
-    node._cleanups.forEach(fn => fn());
-    node._cleanups.clear();
-  }
-  if (node._ownerEffect) dispose(node._ownerEffect);
-  if (node.childNodes) node.childNodes.forEach(n => cleanupNode(n));
-};
-
-var DANGEROUS_PROTOCOL = /^\s*(javascript|data|vbscript):/i;
-var DANGEROUS_URI_ATTRS = new Set(["src", "href", "formaction", "action", "background", "code", "archive"]);
-var isDangerousAttr = (key) => DANGEROUS_URI_ATTRS.has(key) || key.startsWith("on");
-
-const validateAttr = (key, val) => {
-  if (val == null || val === false) return null
-  if (isDangerousAttr(key)) {
-    const sVal = String(val)
-    if (DANGEROUS_PROTOCOL.test(sVal)) return '#'
-  }
-  return val
-}
-
-const h = (tag, props = {}, children = []) => {
-  if (props instanceof Node || isArr(props) || !isObj(props)) {
-    children = props
-    props = {}
-  }
-
-  if (isFunc(tag)) {
-    const effect = createEffect(() => {
-      const result = tag(props, {
-        children,
-        emit: (ev, ...args) => props[`on${ev[0].toUpperCase()}${ev.slice(1)}`]?.(...args)
-      })
-      effect._result = result
-      return result
-    })
-    effect()
-
-    const result = effect._result
-    if (result == null) return null
-
-    const node = (result instanceof Node || (isArr(result) && result.every(n => n instanceof Node)))
-      ? result
-      : doc.createTextNode(String(result))
-
-    const attach = n => {
-      if (isObj(n) && !n._isRuntime) {
-        n._mounts = effect._mounts || []
-        n._cleanups = effect._cleanups || new Set()
-        n._ownerEffect = effect
-      }
-    }
-
-    isArr(node) ? node.forEach(attach) : attach(node)
-    return node
-  }
-
-  const isSVG = SVG_TAGS.has(tag)
-  const el = isSVG ? doc.createElementNS(SVG_NS, tag) : doc.createElement(tag)
-  el._cleanups = new Set()
-
-  for (const k of Object.keys(props)) {
-    let v = props[k]
-    if (k === "ref") {
-      isFunc(v) ? v(el) : (v.current = el)
-      continue
-    }
-    if (isSVG && k.startsWith("xlink:")) {
-      const cleanVal = validateAttr(k.slice(6), v)
-      cleanVal == null
-        ? el.removeAttributeNS(XLINK_NS, k.slice(6))
-        : el.setAttributeNS(XLINK_NS, k.slice(6), cleanVal)
-      continue
-    }
-    if (k.startsWith("on")) {
-      const ev = k.slice(2).toLowerCase()
-      el.addEventListener(ev, v)
-      const off = () => el.removeEventListener(ev, v)
-      el._cleanups.add(off)
-      onUnmount(off)
-    } else if (isFunc(v)) {
-      const effect = createEffect(() => {
-        const val = validateAttr(k, v())
-        if (k === "class") el.className = val || ""
-        else if (val == null) el.removeAttribute(k)
-        else if (k === "style" && typeof val === "string") el.setAttribute("style", val)
-        else if (k in el && !isSVG) el[k] = val
-        else el.setAttribute(k, val === true ? "" : val)
-      })
-      effect()
-      el._cleanups.add(() => dispose(effect))
-      onUnmount(() => dispose(effect))
-      if (/^(INPUT|TEXTAREA|SELECT)$/.test(el.tagName) && (k === "value" || k === "checked")) {
-        const evType = k === "checked" ? "change" : "input"
-        el.addEventListener(evType, ev => v(ev.target[k]))
-      }
-    } else {
-      const val = validateAttr(k, v)
-      if (val != null) {
-        if (k === "style" && typeof val === "string") el.setAttribute("style", val)
-        else if (k in el && !isSVG) el[k] = val
-        else el.setAttribute(k, val === true ? "" : val)
-      }
-    }
-  }
-
-  const append = c => {
-    if (isArr(c)) return c.forEach(append)
-    if (isFunc(c)) {
-      const anchor = doc.createTextNode("")
-      el.appendChild(anchor)
-      let currentNodes = []
-      const effect = createEffect(() => {
-        const res = c()
-        const next = (isArr(res) ? res : [res]).map(ensureNode)
-        currentNodes.forEach(n => {
-          if (n._isRuntime) n.destroy()
-          else cleanupNode(n)
-          if (n.parentNode) n.remove()
-        })
-        let ref = anchor
-        for (let i = next.length - 1; i >= 0; i--) {
-          const node = next[i]
-          if (node.parentNode !== ref.parentNode) ref.parentNode?.insertBefore(node, ref)
-          if (node._mounts) node._mounts.forEach(fn => fn())
-          ref = node
-        }
-        currentNodes = next
-      })
-      effect()
-      el._cleanups.add(() => dispose(effect))
-      onUnmount(() => dispose(effect))
-    } else {
-      const node = ensureNode(c)
-      el.appendChild(node)
-      if (node._mounts) node._mounts.forEach(fn => fn())
-    }
-  }
-  append(children)
-  return el
-}
-
-const render = renderFn => {
-  const cleanups = new Set()
-  const previousOwner = activeOwner
-  const previousEffect = activeEffect
-  const container = doc.createElement("div")
-  container.style.display = "contents"
-  container.setAttribute("role", "presentation")
-  activeOwner = { _cleanups: cleanups }
-  activeEffect = null
-
-  const processResult = result => {
-    if (!result) return
-    if (result._isRuntime) {
-      cleanups.add(result.destroy)
-      container.appendChild(result.container)
-    } else if (isArr(result)) {
-      result.forEach(processResult)
-    } else {
-      container.appendChild(result instanceof Node ? result : doc.createTextNode(String(result == null ? "" : result)))
-    }
-  }
-
-  try {
-    processResult(renderFn({ onCleanup: fn => cleanups.add(fn) }))
-  } finally {
-    activeOwner = previousOwner
-    activeEffect = previousEffect
-  }
-
-  return {
-    _isRuntime: true,
-    container,
-    destroy: () => {
-      cleanups.forEach(fn => fn())
-      cleanupNode(container)
-      container.remove()
-    }
-  }
-}
-
-const when = (cond, SIP, NOP = null) => {
-  const anchor = doc.createTextNode("")
-  const root = h("div", { style: "display:contents" }, [anchor])
-  let currentView = null
-
-  watch(
-    () => !!(isFunc(cond) ? cond() : cond),
-    show => {
-      if (currentView) {
-        currentView.destroy()
-        currentView = null
-      }
-
-      const content = show ? SIP : NOP
-      if (content) {
-        currentView = render(() => isFunc(content) ? content() : content)
-        root.insertBefore(currentView.container, anchor)
-      }
-    }
-  )
-
-  onUnmount(() => currentView?.destroy())
-  return root
-}
-
-const each = (src, itemFn, keyField) => {
-  const anchor = doc.createTextNode("")
-  const root = h("div", { style: "display:contents" }, [anchor])
-  let cache = new Map()
-  watch(() => (isFunc(src) ? src() : src) || [], items => {
-    const nextCache = new Map()
-    const nextOrder = []
-    const newItems = items || []
-    for (let i = 0; i < newItems.length; i++) {
-      const item = newItems[i]
-      const key = keyField ? (item?.[keyField] ?? i) : (item?.id ?? i)
-      let view = cache.get(key)
-      if (!view) view = render(() => itemFn(item, i))
-      else cache.delete(key)
-      nextCache.set(key, view)
-      nextOrder.push(view)
-    }
-    cache.forEach(view => view.destroy())
-    let lastRef = anchor
-    for (let i = nextOrder.length - 1; i >= 0; i--) {
-      const view = nextOrder[i]
-      const node = view.container
-      if (node.nextSibling !== lastRef) root.insertBefore(node, lastRef)
-      lastRef = node
-    }
-    cache = nextCache
-  })
-  return root
-}
-
-const Fragment = (props) => props.children;
-
-const mount = (comp, target) => {
-  const t = typeof target === "string" ? doc.querySelector(target) : target
-  if (!t) return
-  if (MOUNTED_NODES.has(t)) MOUNTED_NODES.get(t).destroy()
-  const inst = render(isFunc(comp) ? comp : () => comp)
-  t.replaceChildren(inst.container)
-  MOUNTED_NODES.set(t, inst)
-  return inst
-}
-
-if (typeof window !== "undefined") {
-    "a abbr article aside audio b blockquote br button canvas caption cite code col colgroup datalist dd del details dfn dialog div dl dt em embed fieldset figcaption figure footer form h1 h2 h3 h4 h5 h6 header hr i iframe img input ins kbd label legend li main mark meter nav object ol optgroup option output p picture pre progress section select slot small source span strong sub summary sup svg table tbody td template textarea tfoot th thead time tr u ul video"
-        .split(" ")
-        .forEach(tag => { window[tag] = (props, children) => h(tag, props, children) })
-}
-
-export { $, watch, batch, h, Fragment, render, mount, when, each, onUnmount, isArr, isFunc, isObj }
\ No newline at end of file
diff --git a/index.js b/src/sigpro-grid.js
similarity index 99%
rename from index.js
rename to src/sigpro-grid.js
index 8cc909d..cdc017f 100644
--- a/index.js
+++ b/src/sigpro-grid.js
@@ -27,7 +27,7 @@ import {
   StatusBarModule,
   ExcelExportModule,
   ClipboardModule,
-} from "./ag-grid";
+} from "../ag-grid";
 
 ModuleRegistry.registerModules([
   ValidationModule,