diff --git a/.eslintrc.js b/.eslintrc.js
index d8b31a98..2bcd49e7 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -28,6 +28,7 @@ module.exports = {
     'import/no-cycle': 'error',
     'no-unreachable': 'error',
     'no-undef': 'error',
+    'eqeqeq': 'error',
     'react-hooks/rules-of-hooks': 'error',
     'react-hooks/exhaustive-deps': 'error',
     'react/jsx-uses-react': 'error',
diff --git a/examples/benchmarking/src/listMemoFacet.tsx b/examples/benchmarking/src/listMemoFacet.tsx
index 9d8406b9..cc0e3961 100644
--- a/examples/benchmarking/src/listMemoFacet.tsx
+++ b/examples/benchmarking/src/listMemoFacet.tsx
@@ -18,7 +18,7 @@ export const Performance = () => {
 
     const tick = () => {
       setDataFacet((data) => {
-        if (data == NO_VALUE) return []
+        if (data === NO_VALUE) return []
 
         data[0].health = data[0].health === 10 ? 5 : 10
         return data
@@ -50,6 +50,7 @@ const ListItem = ({ item }: { item: Facet<Data> }) => {
   useFacetEffect(
     (health) => {
       randomWork(health)
+      return undefined
     },
     [],
     [health],
@@ -58,6 +59,7 @@ const ListItem = ({ item }: { item: Facet<Data> }) => {
   useFacetEffect(
     (name) => {
       randomWork(name)
+      return undefined
     },
     [],
     [name],
@@ -66,6 +68,7 @@ const ListItem = ({ item }: { item: Facet<Data> }) => {
   useFacetEffect(
     (name) => {
       randomWork(name)
+      return undefined
     },
     [],
     [name],
@@ -74,6 +77,7 @@ const ListItem = ({ item }: { item: Facet<Data> }) => {
   useFacetEffect(
     (name) => {
       randomWork(name)
+      return undefined
     },
     [],
     [name],
diff --git a/packages/@react-facet/core/src/components/Map.tsx b/packages/@react-facet/core/src/components/Map.tsx
index 0cebf049..0710419b 100644
--- a/packages/@react-facet/core/src/components/Map.tsx
+++ b/packages/@react-facet/core/src/components/Map.tsx
@@ -17,7 +17,7 @@ export const Map = <T,>({ array, children, equalityCheck }: MapProps<T>) => {
     <>
       {times(
         (index) =>
-          equalityCheck != null ? (
+          equalityCheck !== undefined ? (
             <MapChildMemo<T>
               key={index}
               arrayFacet={array}
diff --git a/packages/@react-facet/core/src/components/With.tsx b/packages/@react-facet/core/src/components/With.tsx
index 9e57e123..183ed3c8 100644
--- a/packages/@react-facet/core/src/components/With.tsx
+++ b/packages/@react-facet/core/src/components/With.tsx
@@ -13,7 +13,7 @@ const hasData = <T,>(_: Facet<T | null | undefined>, shouldRender: boolean | NoV
 }
 
 export const With = <T,>({ data, children }: WithProps<T>) => {
-  const shouldRenderFacet = useFacetMap((data) => data != null, [], [data])
+  const shouldRenderFacet = useFacetMap((data) => data !== null && data !== undefined, [], [data])
   const shouldRender = useFacetUnwrap(shouldRenderFacet)
   return hasData(data, shouldRender) ? children(data) : null
 }
diff --git a/packages/@react-facet/core/src/createEqualityChecks.ts b/packages/@react-facet/core/src/createEqualityChecks.ts
index 49f909b0..8ed2dea2 100644
--- a/packages/@react-facet/core/src/createEqualityChecks.ts
+++ b/packages/@react-facet/core/src/createEqualityChecks.ts
@@ -10,8 +10,8 @@ export const createNullableEqualityCheck = <T>(comparator: EqualityCheck<T>) =>
   let previous: T | null | undefined | NoValue = NO_VALUE
 
   return (value: T | null | undefined) => {
-    if (value == null || previous == null) {
-      if (value != previous) {
+    if (value === undefined || value === null || previous === undefined || previous === null) {
+      if (value !== previous) {
         previous = value
         return false
       } else {
@@ -90,7 +90,7 @@ export const createUniformArrayEqualityCheck =
 
       let isEquals = true
       for (let i = 0; i < longestLength; i++) {
-        if (previous[i] == null) {
+        if (previous[i] === undefined) {
           previous[i] = comparator()
         }
         if (!previous[i](current[i])) {
@@ -158,7 +158,7 @@ export const createOptionalValueEqualityCheck =
     let initializedComparator = comparator()
 
     return (current: T | undefined | null) => {
-      if (current == null) {
+      if (current === undefined || current === null) {
         if (previousWasNullish) {
           return true
         }
diff --git a/packages/@react-facet/core/src/facet/createFacet.ts b/packages/@react-facet/core/src/facet/createFacet.ts
index bf397a3f..971c06c6 100644
--- a/packages/@react-facet/core/src/facet/createFacet.ts
+++ b/packages/@react-facet/core/src/facet/createFacet.ts
@@ -22,7 +22,7 @@ export function createFacet<V>({
   const checker = equalityCheck?.()
 
   const update = (newValue: V) => {
-    if (equalityCheck != null) {
+    if (equalityCheck !== undefined) {
       // we optimize for the most common scenario of using the defaultEqualityCheck (by inline its implementation)
       if (equalityCheck === defaultEqualityCheck) {
         const typeofValue = typeof newValue
@@ -37,7 +37,7 @@ export function createFacet<V>({
           return
         }
       } else {
-        if (checker != null && checker(newValue)) {
+        if (checker !== undefined && checker(newValue)) {
           return
         }
       }
diff --git a/packages/@react-facet/core/src/helpers/hasDefinedValue.ts b/packages/@react-facet/core/src/helpers/hasDefinedValue.ts
index a89afb40..f8f27f90 100644
--- a/packages/@react-facet/core/src/helpers/hasDefinedValue.ts
+++ b/packages/@react-facet/core/src/helpers/hasDefinedValue.ts
@@ -1,3 +1,4 @@
 import { NoValue, NO_VALUE, Value } from '../types'
 
-export const hasDefinedValue = (value: Value | NoValue): value is Value => value != null && value !== NO_VALUE
+export const hasDefinedValue = (value: Value | NoValue): value is Value =>
+  value !== undefined && value !== null && value !== NO_VALUE
diff --git a/packages/@react-facet/core/src/helpers/multiObserve.ts b/packages/@react-facet/core/src/helpers/multiObserve.ts
index f93eaaa9..067e52d7 100644
--- a/packages/@react-facet/core/src/helpers/multiObserve.ts
+++ b/packages/@react-facet/core/src/helpers/multiObserve.ts
@@ -26,10 +26,10 @@ export function multiObserve<Y extends Facet<unknown>[], T extends [...Y]>(
   for (let i = 0; i < facets.length; i++) {
     unsubscribes[i] = facets[i].observe((value) => {
       values[i] = value
-      hasAllDependencies = hasAllDependencies || values.every((value) => value != NO_VALUE)
+      hasAllDependencies = hasAllDependencies || values.every((value) => value !== NO_VALUE)
 
       if (hasAllDependencies) {
-        if (cleanup != null) {
+        if (cleanup !== undefined) {
           cleanup()
         }
 
@@ -42,7 +42,7 @@ export function multiObserve<Y extends Facet<unknown>[], T extends [...Y]>(
     for (let index = 0; index < unsubscribes.length; index++) {
       unsubscribes[index]()
     }
-    if (cleanup != null) {
+    if (cleanup !== undefined) {
       cleanup()
     }
   }
diff --git a/packages/@react-facet/core/src/hooks/useFacetCallback.spec.tsx b/packages/@react-facet/core/src/hooks/useFacetCallback.spec.tsx
index 741c8728..84de5a05 100644
--- a/packages/@react-facet/core/src/hooks/useFacetCallback.spec.tsx
+++ b/packages/@react-facet/core/src/hooks/useFacetCallback.spec.tsx
@@ -104,6 +104,7 @@ it('should work with uninitialized values', () => {
     useFacetEffect(
       () => {
         handler()
+        return undefined
       },
       [handler],
       [internalDemoFacet],
diff --git a/packages/@react-facet/core/src/hooks/useFacetCallback.ts b/packages/@react-facet/core/src/hooks/useFacetCallback.ts
index 22cea614..9b1d2a6a 100644
--- a/packages/@react-facet/core/src/hooks/useFacetCallback.ts
+++ b/packages/@react-facet/core/src/hooks/useFacetCallback.ts
@@ -70,7 +70,7 @@ export function useFacetCallback<M, Y extends Facet<unknown>[], T extends [...Y]
       const values = facets.map((facet) => facet.get())
 
       for (const value of values) {
-        if (value === NO_VALUE) return defaultReturnValue != null ? defaultReturnValue : NO_VALUE
+        if (value === NO_VALUE) return defaultReturnValue !== undefined ? defaultReturnValue : NO_VALUE
       }
 
       return callbackMemoized(...(values as ExtractFacetValues<T>))(...(args as K))
diff --git a/packages/@react-facet/core/src/hooks/useFacetEffect.spec.tsx b/packages/@react-facet/core/src/hooks/useFacetEffect.spec.tsx
index 625ee08b..0cc821a8 100644
--- a/packages/@react-facet/core/src/hooks/useFacetEffect.spec.tsx
+++ b/packages/@react-facet/core/src/hooks/useFacetEffect.spec.tsx
@@ -42,6 +42,7 @@ it('triggers the effect when a dependency changes', () => {
     useFacetEffect(
       (value) => {
         callback(`${value} ${dependency}`)
+        return undefined
       },
       [dependency],
       [demoFacet],
diff --git a/packages/@react-facet/core/src/hooks/useFacetEffect.tsx b/packages/@react-facet/core/src/hooks/useFacetEffect.tsx
index a52f33c4..7d22ba48 100644
--- a/packages/@react-facet/core/src/hooks/useFacetEffect.tsx
+++ b/packages/@react-facet/core/src/hooks/useFacetEffect.tsx
@@ -4,7 +4,7 @@ import { cancelScheduledTask, scheduleTask } from '../scheduler'
 
 export const createUseFacetEffect = (useHook: typeof useEffect | typeof useLayoutEffect) => {
   return function <Y extends Facet<unknown>[], T extends [...Y]>(
-    effect: (...args: ExtractFacetValues<T>) => void | Cleanup,
+    effect: (...args: ExtractFacetValues<T>) => undefined | Cleanup,
     dependencies: unknown[],
     facets: T,
   ) {
@@ -12,11 +12,11 @@ export const createUseFacetEffect = (useHook: typeof useEffect | typeof useLayou
     const effectMemoized = useCallback(effect as (...args: unknown[]) => ReturnType<typeof effect>, dependencies)
 
     useHook(() => {
-      let cleanup: void | Cleanup
+      let cleanup: undefined | Cleanup
 
       if (facets.length === 1) {
         const unsubscribe = facets[0].observe((value) => {
-          if (cleanup != null) {
+          if (cleanup !== undefined) {
             cleanup()
           }
 
@@ -25,7 +25,7 @@ export const createUseFacetEffect = (useHook: typeof useEffect | typeof useLayou
 
         return () => {
           unsubscribe()
-          if (cleanup != null) {
+          if (cleanup !== undefined) {
             cleanup()
           }
         }
@@ -36,10 +36,10 @@ export const createUseFacetEffect = (useHook: typeof useEffect | typeof useLayou
       const values: unknown[] = facets.map(() => NO_VALUE)
 
       const task = () => {
-        hasAllDependencies = hasAllDependencies || values.every((value) => value != NO_VALUE)
+        hasAllDependencies = hasAllDependencies || values.every((value) => value !== NO_VALUE)
 
         if (hasAllDependencies) {
-          if (cleanup != null) {
+          if (cleanup !== undefined) {
             cleanup()
           }
 
@@ -61,7 +61,7 @@ export const createUseFacetEffect = (useHook: typeof useEffect | typeof useLayou
       return () => {
         cancelScheduledTask(task)
         unsubscribes.forEach((unsubscribe) => unsubscribe())
-        if (cleanup != null) {
+        if (cleanup !== undefined) {
           cleanup()
         }
       }
diff --git a/packages/@react-facet/core/src/hooks/useFacetMap.spec.tsx b/packages/@react-facet/core/src/hooks/useFacetMap.spec.tsx
index 86f78c93..6a83b751 100644
--- a/packages/@react-facet/core/src/hooks/useFacetMap.spec.tsx
+++ b/packages/@react-facet/core/src/hooks/useFacetMap.spec.tsx
@@ -105,6 +105,7 @@ describe('multiple dependencies', () => {
       useFacetEffect(
         (value) => {
           mock(value.name)
+          return undefined
         },
         [],
         [adaptValue],
@@ -147,6 +148,7 @@ describe('multiple dependencies', () => {
       useFacetEffect(
         (value) => {
           mock(value)
+          return undefined
         },
         [],
         [adaptValue],
@@ -189,6 +191,7 @@ describe('multiple dependencies', () => {
       useFacetEffect(
         (value) => {
           mock(value)
+          return undefined
         },
         [],
         [adaptValue],
@@ -231,6 +234,7 @@ describe('multiple dependencies', () => {
       useFacetEffect(
         (value) => {
           mock(value)
+          return undefined
         },
         [],
         [adaptValue],
@@ -388,6 +392,7 @@ describe('single dependency', () => {
       useFacetEffect(
         (value) => {
           mock(value.name)
+          return undefined
         },
         [],
         [adaptValue],
@@ -429,6 +434,7 @@ describe('single dependency', () => {
       useFacetEffect(
         (value) => {
           mock(value)
+          return undefined
         },
         [],
         [adaptValue],
@@ -470,6 +476,7 @@ describe('single dependency', () => {
       useFacetEffect(
         (value) => {
           mock(value)
+          return undefined
         },
         [],
         [adaptValue],
@@ -511,6 +518,7 @@ describe('single dependency', () => {
       useFacetEffect(
         (value) => {
           mock(value)
+          return undefined
         },
         [],
         [adaptValue],
diff --git a/packages/@react-facet/core/src/hooks/useFacetMemo.spec.tsx b/packages/@react-facet/core/src/hooks/useFacetMemo.spec.tsx
index ec378acb..cc1fe33b 100644
--- a/packages/@react-facet/core/src/hooks/useFacetMemo.spec.tsx
+++ b/packages/@react-facet/core/src/hooks/useFacetMemo.spec.tsx
@@ -105,6 +105,7 @@ describe('multiple dependencies', () => {
       useFacetEffect(
         (value) => {
           mock(value.name)
+          return undefined
         },
         [],
         [adaptValue],
@@ -147,6 +148,7 @@ describe('multiple dependencies', () => {
       useFacetEffect(
         (value) => {
           mock(value)
+          return undefined
         },
         [],
         [adaptValue],
@@ -189,6 +191,7 @@ describe('multiple dependencies', () => {
       useFacetEffect(
         (value) => {
           mock(value)
+          return undefined
         },
         [],
         [adaptValue],
@@ -231,6 +234,7 @@ describe('multiple dependencies', () => {
       useFacetEffect(
         (value) => {
           mock(value)
+          return undefined
         },
         [],
         [adaptValue],
@@ -388,6 +392,7 @@ describe('single dependency', () => {
       useFacetEffect(
         (value) => {
           mock(value.name)
+          return undefined
         },
         [],
         [adaptValue],
@@ -429,6 +434,7 @@ describe('single dependency', () => {
       useFacetEffect(
         (value) => {
           mock(value)
+          return undefined
         },
         [],
         [adaptValue],
@@ -470,6 +476,7 @@ describe('single dependency', () => {
       useFacetEffect(
         (value) => {
           mock(value)
+          return undefined
         },
         [],
         [adaptValue],
@@ -511,6 +518,7 @@ describe('single dependency', () => {
       useFacetEffect(
         (value) => {
           mock(value)
+          return undefined
         },
         [],
         [adaptValue],
diff --git a/packages/@react-facet/core/src/hooks/useFacetPropSetter.ts b/packages/@react-facet/core/src/hooks/useFacetPropSetter.ts
index b15a8522..cd5b69e6 100644
--- a/packages/@react-facet/core/src/hooks/useFacetPropSetter.ts
+++ b/packages/@react-facet/core/src/hooks/useFacetPropSetter.ts
@@ -22,7 +22,7 @@ export function useFacetPropSetter<T extends Record<string, any>, Prop extends k
 ): PropSetter<T, Prop> {
   return useMemo(
     () => (value: T[Prop]) => {
-      facet.setWithCallback((prev) => ({ ...(prev != NO_VALUE ? prev : {}), [prop]: value } as unknown as T))
+      facet.setWithCallback((prev) => ({ ...(prev !== NO_VALUE ? prev : {}), [prop]: value } as unknown as T))
     },
     [facet, prop],
   )
diff --git a/packages/@react-facet/core/src/hooks/useFacetRef.ts b/packages/@react-facet/core/src/hooks/useFacetRef.ts
index 5cc4d411..eb2251e6 100644
--- a/packages/@react-facet/core/src/hooks/useFacetRef.ts
+++ b/packages/@react-facet/core/src/hooks/useFacetRef.ts
@@ -6,7 +6,7 @@ export function useFacetRef<T>(facet: Facet<T>): MutableRefObject<Option<T>>
 export function useFacetRef<T>(facet: Facet<T>, defaultValue: T): MutableRefObject<T>
 export function useFacetRef<T>(facet: Facet<T>, defaultValue?: T): MutableRefObject<T> {
   let value = facet.get()
-  if (value === NO_VALUE && defaultValue != undefined) {
+  if (value === NO_VALUE && defaultValue !== undefined) {
     value = defaultValue
   }
 
@@ -14,6 +14,7 @@ export function useFacetRef<T>(facet: Facet<T>, defaultValue?: T): MutableRefObj
   useFacetEffect(
     (value) => {
       ref.current = value
+      return undefined
     },
     [],
     [facet],
diff --git a/packages/@react-facet/core/src/hooks/useFacetWrap.spec.tsx b/packages/@react-facet/core/src/hooks/useFacetWrap.spec.tsx
index db7764c7..0a141e54 100644
--- a/packages/@react-facet/core/src/hooks/useFacetWrap.spec.tsx
+++ b/packages/@react-facet/core/src/hooks/useFacetWrap.spec.tsx
@@ -14,6 +14,7 @@ it('wraps a value, updating the facet when it changes', () => {
     useFacetEffect(
       (value) => {
         mock(value)
+        return undefined
       },
       [],
       [facetifiedValue],
@@ -38,6 +39,7 @@ it('wraps a value, with the default equality check (preventing unnecessary updat
     useFacetEffect(
       (value) => {
         mock(value)
+        return undefined
       },
       [],
       [facetifiedValue],
@@ -62,6 +64,7 @@ it('forwards a facet', () => {
     useFacetEffect(
       (value) => {
         mock(value)
+        return undefined
       },
       [],
       [facetifiedValue],
@@ -104,7 +107,7 @@ describe('regressions', () => {
 
     const TestingComponent = () => {
       const handlerFacet = useFacetWrap(mock)
-      useFacetEffect(() => {}, [], [handlerFacet])
+      useFacetEffect(() => undefined, [], [handlerFacet])
       return null
     }
 
@@ -122,6 +125,7 @@ const testEffectUpdatesOnStaticValue = (value: FacetProp<Value>, expectUpdates:
     useFacetEffect(
       () => {
         mock()
+        return undefined
       },
       [],
       [undefinedFacet],
diff --git a/packages/@react-facet/core/src/hooks/useFacetWrap.ts b/packages/@react-facet/core/src/hooks/useFacetWrap.ts
index c64fbc43..bb70e869 100644
--- a/packages/@react-facet/core/src/hooks/useFacetWrap.ts
+++ b/packages/@react-facet/core/src/hooks/useFacetWrap.ts
@@ -25,7 +25,7 @@ export function useFacetWrap<T extends Value>(
     [is],
   )
 
-  if (inlineFacet == null) {
+  if (inlineFacet === undefined) {
     return prop as Facet<T>
   } else {
     inlineFacet.set(prop as T)
diff --git a/packages/@react-facet/core/src/mapFacets/mapIntoObserveArray.ts b/packages/@react-facet/core/src/mapFacets/mapIntoObserveArray.ts
index a35b16f5..a367355c 100644
--- a/packages/@react-facet/core/src/mapFacets/mapIntoObserveArray.ts
+++ b/packages/@react-facet/core/src/mapFacets/mapIntoObserveArray.ts
@@ -16,9 +16,9 @@ export function mapIntoObserveArray<M>(
     let hasAllDependencies = false
 
     const task =
-      checker == null
+      checker === undefined
         ? () => {
-            hasAllDependencies = hasAllDependencies || dependencyValues.every((value) => value != NO_VALUE)
+            hasAllDependencies = hasAllDependencies || dependencyValues.every((value) => value !== NO_VALUE)
             if (!hasAllDependencies) return
 
             const result = fn(...dependencyValues)
@@ -28,7 +28,7 @@ export function mapIntoObserveArray<M>(
           }
         : equalityCheck === defaultEqualityCheck
         ? () => {
-            hasAllDependencies = hasAllDependencies || dependencyValues.every((value) => value != NO_VALUE)
+            hasAllDependencies = hasAllDependencies || dependencyValues.every((value) => value !== NO_VALUE)
             if (!hasAllDependencies) return
 
             const result = fn(...dependencyValues)
@@ -52,7 +52,7 @@ export function mapIntoObserveArray<M>(
             listener(result)
           }
         : () => {
-            hasAllDependencies = hasAllDependencies || dependencyValues.every((value) => value != NO_VALUE)
+            hasAllDependencies = hasAllDependencies || dependencyValues.every((value) => value !== NO_VALUE)
             if (!hasAllDependencies) return
 
             const result = fn(...dependencyValues)
diff --git a/packages/@react-facet/core/src/mapFacets/mapIntoObserveSingle.ts b/packages/@react-facet/core/src/mapFacets/mapIntoObserveSingle.ts
index 28db13cb..3b756730 100644
--- a/packages/@react-facet/core/src/mapFacets/mapIntoObserveSingle.ts
+++ b/packages/@react-facet/core/src/mapFacets/mapIntoObserveSingle.ts
@@ -7,7 +7,7 @@ export function mapIntoObserveSingle<T, M>(
   equalityCheck?: EqualityCheck<M>,
 ): Observe<M> {
   // Most common scenario is not having any equality check
-  if (equalityCheck == null) {
+  if (equalityCheck === undefined) {
     return (listener: Listener<M>) => {
       return facet.observe((value: T) => {
         const result = fn(value)
diff --git a/packages/@react-facet/core/src/types.ts b/packages/@react-facet/core/src/types.ts
index ac6a63d0..9d08853c 100644
--- a/packages/@react-facet/core/src/types.ts
+++ b/packages/@react-facet/core/src/types.ts
@@ -56,7 +56,12 @@ export type Cleanup = Unsubscribe
 export type StartSubscription<V> = (update: Update<V>) => Cleanup
 
 export const isFacet = <T>(value: Value | Facet<T>): value is Facet<T> => {
-  return value != null && (value as Facet<T>).observe != null && (value as Facet<T>).get != null
+  return (
+    value !== null &&
+    value !== undefined &&
+    (value as Facet<T>).observe !== undefined &&
+    (value as Facet<T>).get !== undefined
+  )
 }
 
 export type FacetProp<T extends Value> = Facet<T> | ExcludeFacetFactory<T>
diff --git a/packages/@react-facet/deferred-mount/src/index.spec.tsx b/packages/@react-facet/deferred-mount/src/index.spec.tsx
index 7e0dcf83..0b0c1f58 100644
--- a/packages/@react-facet/deferred-mount/src/index.spec.tsx
+++ b/packages/@react-facet/deferred-mount/src/index.spec.tsx
@@ -52,7 +52,7 @@ describe('DeferredMountWithCallback', () => {
 
     const runRaf = () => {
       const cb = frames.pop()
-      if (cb != null) act(() => cb())
+      if (cb !== undefined) act(() => cb())
     }
 
     const MOUNT_COMPLETION_DELAY = 1000
diff --git a/packages/@react-facet/deferred-mount/src/index.tsx b/packages/@react-facet/deferred-mount/src/index.tsx
index 74bddcbe..9fbee5be 100644
--- a/packages/@react-facet/deferred-mount/src/index.tsx
+++ b/packages/@react-facet/deferred-mount/src/index.tsx
@@ -174,7 +174,7 @@ interface DeferredMountProps {
  */
 export function DeferredMount({ children }: DeferredMountProps) {
   const pushDeferUpdateFunction = useContext(pushDeferUpdateContext)
-  const [deferred, setDeferred] = useState(pushDeferUpdateFunction != null)
+  const [deferred, setDeferred] = useState(pushDeferUpdateFunction !== undefined)
 
   useEffect(() => {
     if (pushDeferUpdateFunction) pushDeferUpdateFunction(setDeferred)
@@ -198,12 +198,12 @@ export const useNotifyMountComplete = () => useContext(NotifyMountComplete)
  */
 export function DeferredMountWithCallback({ children }: DeferredMountWithCallbackProps) {
   const pushDeferUpdateFunction = useContext(pushDeferUpdateContext)
-  const [deferred, setDeferred] = useState(pushDeferUpdateFunction != null)
+  const [deferred, setDeferred] = useState(pushDeferUpdateFunction !== undefined)
   const resolveMountComplete = useRef<(value: void | PromiseLike<void>) => void>()
   const mountCompleteBeforeInitialization = useRef(false)
 
   const onMountComplete = useCallback(() => {
-    if (resolveMountComplete.current != null) {
+    if (resolveMountComplete.current !== undefined) {
       resolveMountComplete.current()
     } else {
       mountCompleteBeforeInitialization.current = true
diff --git a/packages/@react-facet/dom-components/src/Div.tsx b/packages/@react-facet/dom-components/src/Div.tsx
index ef91e8c0..ef1088a4 100644
--- a/packages/@react-facet/dom-components/src/Div.tsx
+++ b/packages/@react-facet/dom-components/src/Div.tsx
@@ -19,12 +19,12 @@ export const Div = ({ style, className, id, children, innerRef, ...handlers }: D
   const ref = innerRef ?? defaultRef
 
   useSetProp(className, (value) => {
-    if (ref.current == null) return
+    if (ref.current === null) return
     ref.current.className = value ?? ''
   })
 
   useSetProp(id, (value) => {
-    if (ref.current == null) return
+    if (ref.current === null) return
     ref.current.id = value ?? ''
   })
 
diff --git a/packages/@react-facet/dom-components/src/Img.tsx b/packages/@react-facet/dom-components/src/Img.tsx
index bf2154bb..ba08c741 100644
--- a/packages/@react-facet/dom-components/src/Img.tsx
+++ b/packages/@react-facet/dom-components/src/Img.tsx
@@ -17,17 +17,17 @@ export const Img = ({ style, className, id, src, innerRef, ...handlers }: ImgPro
   const ref = innerRef ?? defaultRef
 
   useSetProp(className, (value) => {
-    if (ref.current == null) return
+    if (ref.current === null) return
     ref.current.className = value ?? ''
   })
 
   useSetProp(id, (value) => {
-    if (ref.current == null) return
+    if (ref.current === null) return
     ref.current.id = value ?? ''
   })
 
   useSetProp(src, (value) => {
-    if (ref.current == null) return
+    if (ref.current === null) return
     ref.current.setAttribute('src', value ?? '')
   })
 
diff --git a/packages/@react-facet/dom-components/src/Input.tsx b/packages/@react-facet/dom-components/src/Input.tsx
index 7cbb3020..d86e0845 100644
--- a/packages/@react-facet/dom-components/src/Input.tsx
+++ b/packages/@react-facet/dom-components/src/Input.tsx
@@ -34,25 +34,25 @@ export const Input = ({
   const ref = innerRef ?? defaultRef
 
   useSetProp(className, (value) => {
-    if (ref.current == null) return
+    if (ref.current === null) return
     ref.current.className = value ?? ''
   })
 
   useSetProp(id, (value) => {
-    if (ref.current == null) return
+    if (ref.current === null) return
     ref.current.id = value ?? ''
   })
 
   useSetProp(value, (value) => {
-    if (ref.current == null) return
+    if (ref.current === null) return
     const element = ref.current
     element.value = value ?? ''
     element.setAttribute('value', value ?? '')
   })
 
   useSetProp(disabled, (value) => {
-    if (ref.current == null) return
-    if (value == null || value === false) {
+    if (ref.current === null) return
+    if (value === undefined || value === false) {
       ref.current.removeAttribute('disabled')
     } else {
       ref.current.setAttribute('disabled', '')
@@ -60,9 +60,9 @@ export const Input = ({
   })
 
   useSetProp(maxLength, (value) => {
-    if (ref.current == null) return
+    if (ref.current === null) return
 
-    if (value != null) {
+    if (value !== undefined) {
       ref.current.maxLength = value
     } else {
       ref.current.removeAttribute('maxlength')
@@ -70,8 +70,8 @@ export const Input = ({
   })
 
   useSetProp(type, (value) => {
-    if (ref.current == null) return
-    if (value != null) {
+    if (ref.current === null) return
+    if (value !== undefined) {
       ref.current.setAttribute('type', value)
     } else {
       ref.current.removeAttribute('type')
diff --git a/packages/@react-facet/dom-components/src/Paragraph.tsx b/packages/@react-facet/dom-components/src/Paragraph.tsx
index 1c741def..de4ec174 100644
--- a/packages/@react-facet/dom-components/src/Paragraph.tsx
+++ b/packages/@react-facet/dom-components/src/Paragraph.tsx
@@ -17,12 +17,12 @@ export const Paragraph = ({ style, className, children, id, innerRef, ...handler
   const ref = innerRef ?? defaultRef
 
   useSetProp(className, (value) => {
-    if (ref.current == null) return
+    if (ref.current === null) return
     ref.current.className = value ?? ''
   })
 
   useSetProp(id, (value) => {
-    if (ref.current == null) return
+    if (ref.current === null) return
     ref.current.id = value ?? ''
   })
 
diff --git a/packages/@react-facet/dom-components/src/Span.tsx b/packages/@react-facet/dom-components/src/Span.tsx
index 823536b7..bd60df80 100644
--- a/packages/@react-facet/dom-components/src/Span.tsx
+++ b/packages/@react-facet/dom-components/src/Span.tsx
@@ -19,12 +19,12 @@ export const Span = ({ style, className, children, id, innerRef, ...handlers }:
   const ref = innerRef ?? defaultRef
 
   useSetProp(className, (value) => {
-    if (ref.current == null) return
+    if (ref.current === null) return
     ref.current.className = value ?? ''
   })
 
   useSetProp(id, (value) => {
-    if (ref.current == null) return
+    if (ref.current === null) return
     ref.current.id = value ?? ''
   })
 
diff --git a/packages/@react-facet/dom-components/src/Text.tsx b/packages/@react-facet/dom-components/src/Text.tsx
index 0a094868..648746da 100644
--- a/packages/@react-facet/dom-components/src/Text.tsx
+++ b/packages/@react-facet/dom-components/src/Text.tsx
@@ -32,17 +32,17 @@ export const Text = ({ style, className, id, text, innerRef, tag = 'span' }: Tex
   const ref = innerRef ?? defaultRef
 
   useSetProp(className, (value) => {
-    if (ref.current == null) return
+    if (ref.current === null) return
     ref.current.className = value ?? ''
   })
 
   useSetProp(id, (value) => {
-    if (ref.current == null) return
+    if (ref.current === null) return
     ref.current.id = value ?? ''
   })
 
   useSetProp(text, (value) => {
-    if (ref.current == null) return
+    if (ref.current === null) return
     ref.current.textContent = (value as string) ?? ''
   })
 
diff --git a/packages/@react-facet/dom-components/src/TextArea.tsx b/packages/@react-facet/dom-components/src/TextArea.tsx
index 0a438e02..687f8675 100644
--- a/packages/@react-facet/dom-components/src/TextArea.tsx
+++ b/packages/@react-facet/dom-components/src/TextArea.tsx
@@ -32,25 +32,25 @@ export const TextArea = ({
   const ref = innerRef ?? defaultRef
 
   useSetProp(className, (value) => {
-    if (ref.current == null) return
+    if (ref.current === null) return
     ref.current.className = value ?? ''
   })
 
   useSetProp(id, (value) => {
-    if (ref.current == null) return
+    if (ref.current === null) return
     ref.current.id = value ?? ''
   })
 
   useSetProp(value, (value) => {
-    if (ref.current == null) return
+    if (ref.current === null) return
     const element = ref.current
     element.value = value ?? ''
     element.setAttribute('value', value ?? '')
   })
 
   useSetProp(disabled, (value) => {
-    if (ref.current == null) return
-    if (value == null && value === false) {
+    if (ref.current === null) return
+    if (value === undefined && value === false) {
       ref.current.removeAttribute('disabled')
     } else {
       ref.current.setAttribute('disabled', '')
@@ -58,9 +58,9 @@ export const TextArea = ({
   })
 
   useSetProp(maxLength, (value) => {
-    if (ref.current == null) return
+    if (ref.current === null) return
 
-    if (value != null) {
+    if (value !== undefined) {
       ref.current.maxLength = value
     } else {
       ref.current.removeAttribute('maxlength')
@@ -68,8 +68,8 @@ export const TextArea = ({
   })
 
   useSetProp(rows, (value) => {
-    if (ref.current == null) return
-    if (value != null) {
+    if (ref.current === null) return
+    if (value !== undefined) {
       ref.current.rows = value
     } else {
       ref.current.removeAttribute('rows')
diff --git a/packages/@react-facet/dom-components/src/useSetStyle.ts b/packages/@react-facet/dom-components/src/useSetStyle.ts
index ecad98a7..f9049d85 100644
--- a/packages/@react-facet/dom-components/src/useSetStyle.ts
+++ b/packages/@react-facet/dom-components/src/useSetStyle.ts
@@ -18,13 +18,13 @@ export function useSetStyle(style: FacetCSSStyleDeclaration | undefined, ref: Re
   const gamefaceStyleRef = useRef<CSSStyleDeclaration | null>(null)
 
   useLayoutEffect(() => {
-    if (style == null) return
+    if (style === undefined) return
 
     const element = ref.current
-    if (element == null) return
+    if (element === null) return
 
     gamefaceStyleRef.current = element.style
-    if (gamefaceStyleRef.current == null) return
+    if (gamefaceStyleRef.current === null) return
 
     // Casting elementStyle because of issues with matching the CSS Style type and the FacetCSSStyleDeclaration
     const elementStyle = gamefaceStyleRef.current as unknown as LocalStyle
@@ -32,9 +32,9 @@ export function useSetStyle(style: FacetCSSStyleDeclaration | undefined, ref: Re
     const unsubscribes = mapKeys(style, (key) => {
       let cache: string | number | null = null
       const value = style[key]
-      if (value == null) return
+      if (value === undefined) return
 
-      if (typeof value === 'string' || typeof value == 'number') {
+      if (typeof value === 'string' || typeof value === 'number') {
         if (cache !== value) {
           elementStyle[key] = value
           cache = value
diff --git a/packages/@react-facet/dom-fiber/src/index.ts b/packages/@react-facet/dom-fiber/src/index.ts
index 4602ce39..41b10f90 100644
--- a/packages/@react-facet/dom-fiber/src/index.ts
+++ b/packages/@react-facet/dom-fiber/src/index.ts
@@ -10,7 +10,7 @@ export * from './createReconciler'
  * Render the Facets as the root renderer
  */
 export function render(element: ReactElement, container: HTMLElement | null) {
-  if (container == null) return () => {}
+  if (container === null) return () => {}
 
   const reconcilerInstance = createReconciler()
 
diff --git a/packages/@react-facet/dom-fiber/src/setupAttributes.ts b/packages/@react-facet/dom-fiber/src/setupAttributes.ts
index 9fc3a292..2a366e37 100644
--- a/packages/@react-facet/dom-fiber/src/setupAttributes.ts
+++ b/packages/@react-facet/dom-fiber/src/setupAttributes.ts
@@ -4,20 +4,20 @@ export const setupClassUpdate = (className: FacetProp<string | undefined>, eleme
   const htmlElement = element as HTMLElement
   if (isFacet(className)) {
     return className.observe((className) => {
-      htmlElement.className = className != null ? className : ''
+      htmlElement.className = className !== undefined ? className : ''
     })
   } else {
-    htmlElement.className = className != null ? className : ''
+    htmlElement.className = className !== undefined ? className : ''
   }
 }
 
 export const setupIdUpdate = (id: FacetProp<string | undefined>, element: HTMLElement | SVGElement) => {
   if (isFacet(id)) {
     return id.observe((id) => {
-      element.id = id != null ? id : ''
+      element.id = id !== undefined ? id : ''
     })
   } else {
-    element.id = id != null ? id : ''
+    element.id = id !== undefined ? id : ''
   }
 }
 
@@ -25,11 +25,11 @@ export const setupMaxLengthUpdate = (maxLength: FacetProp<number | undefined>, e
   if (isFacet(maxLength)) {
     return maxLength.observe((maxLength) => {
       const textElement = element as HTMLTextAreaElement
-      textElement.maxLength = maxLength != null ? maxLength : Number.MAX_SAFE_INTEGER
+      textElement.maxLength = maxLength !== undefined ? maxLength : Number.MAX_SAFE_INTEGER
     })
   } else {
     const textElement = element as HTMLTextAreaElement
-    textElement.maxLength = maxLength != null ? maxLength : Number.MAX_SAFE_INTEGER
+    textElement.maxLength = maxLength !== undefined ? maxLength : Number.MAX_SAFE_INTEGER
   }
 }
 
@@ -37,11 +37,11 @@ export const setupRowsUpdate = (rows: FacetProp<number | undefined>, element: HT
   if (isFacet(rows)) {
     return rows.observe((rows) => {
       const textElement = element as HTMLTextAreaElement
-      textElement.rows = rows != null ? rows : Number.MAX_SAFE_INTEGER
+      textElement.rows = rows !== undefined ? rows : Number.MAX_SAFE_INTEGER
     })
   } else {
     const textElement = element as HTMLTextAreaElement
-    textElement.rows = rows != null ? rows : Number.MAX_SAFE_INTEGER
+    textElement.rows = rows !== undefined ? rows : Number.MAX_SAFE_INTEGER
   }
 }
 
@@ -58,7 +58,7 @@ const updateValue = (element: HTMLElement | SVGElement, value: string | undefine
   // Only accept numerical characters if the input type is number
   if (inputElement.type === 'number' && isNaN(Number(value))) return
 
-  if (value != null) {
+  if (value !== undefined) {
     inputElement.value = value
     inputElement.setAttribute('value', value)
   } else {
@@ -79,11 +79,11 @@ export const setupSrcUpdate = (src: FacetProp<string | undefined>, element: HTML
   if (isFacet(src)) {
     return src.observe((src) => {
       const textElement = element as HTMLImageElement
-      textElement.src = src != null ? src : ''
+      textElement.src = src !== undefined ? src : ''
     })
   } else {
     const textElement = element as HTMLImageElement
-    textElement.src = src != null ? src : ''
+    textElement.src = src !== undefined ? src : ''
   }
 }
 
@@ -91,11 +91,11 @@ export const setupTextUpdate = (text: FacetProp<string | number | undefined>, el
   if (isFacet(text)) {
     return text.observe((text) => {
       const textElement = element as Text
-      textElement.nodeValue = (text != null ? text : '') as string
+      textElement.nodeValue = (text !== undefined ? text : '') as string
     })
   } else {
     const textElement = element as Text
-    textElement.nodeValue = (text != null ? text : '') as string
+    textElement.nodeValue = (text !== undefined ? text : '') as string
   }
 }
 
@@ -106,14 +106,14 @@ export const setupTextUpdate = (text: FacetProp<string | number | undefined>, el
 export const setupViewBoxUpdate = (viewBox: FacetProp<string | undefined>, element: HTMLElement | SVGElement) => {
   if (isFacet(viewBox)) {
     return viewBox.observe((value) => {
-      if (value != null) {
+      if (value !== undefined) {
         element.setAttributeNS(null, 'viewBox', value)
       } else {
         element.removeAttributeNS(null, 'viewBox')
       }
     })
   } else {
-    if (viewBox != null) {
+    if (viewBox !== undefined) {
       element.setAttributeNS(null, 'viewBox', viewBox)
     } else {
       element.removeAttributeNS(null, 'viewBox')
@@ -132,7 +132,7 @@ export const setupAttributeUpdate = (
         element.setAttribute(attribute, '')
       } else if (value === false) {
         element.removeAttribute(attribute)
-      } else if (value != null) {
+      } else if (value !== undefined) {
         element.setAttribute(attribute, value)
       } else {
         element.removeAttribute(attribute)
@@ -143,7 +143,7 @@ export const setupAttributeUpdate = (
       element.setAttribute(attribute, '')
     } else if (value === false) {
       element.removeAttribute(attribute)
-    } else if (value != null) {
+    } else if (value !== undefined) {
       element.setAttribute(attribute, value)
     } else {
       element.removeAttribute(attribute)
diff --git a/packages/@react-facet/dom-fiber/src/setupHostConfig.spec.tsx b/packages/@react-facet/dom-fiber/src/setupHostConfig.spec.tsx
index 0063da64..500e1b3b 100644
--- a/packages/@react-facet/dom-fiber/src/setupHostConfig.spec.tsx
+++ b/packages/@react-facet/dom-fiber/src/setupHostConfig.spec.tsx
@@ -865,7 +865,7 @@ describe('mount', () => {
       )
 
       div = document.getElementsByClassName('testing')[0]
-      if (div == null) throw new Error('Root element not found')
+      if (div === undefined) throw new Error('Root element not found')
     })
 
     it('supports onClick', () => {
@@ -1649,7 +1649,7 @@ describe('update', () => {
       render(<TestComponent />)
 
       div = document.getElementsByClassName('testing')[0]
-      if (div == null) throw new Error('Root element not found')
+      if (div === undefined) throw new Error('Root element not found')
     })
 
     it('supports onClick', () => {
diff --git a/packages/@react-facet/dom-fiber/src/setupHostConfig.ts b/packages/@react-facet/dom-fiber/src/setupHostConfig.ts
index 78eb161e..0eee5f40 100644
--- a/packages/@react-facet/dom-fiber/src/setupHostConfig.ts
+++ b/packages/@react-facet/dom-fiber/src/setupHostConfig.ts
@@ -113,14 +113,14 @@ export const setupHostConfig = (): HostConfig<
     const typeHTML = fastTypeMapHTML[externalType as TypeHTML] ?? externalType
     const typeSVG = fastTypeMapSVG[externalType as TypeSVG]
     const element =
-      typeSVG != null
+      typeSVG !== undefined
         ? document.createElementNS('http://www.w3.org/2000/svg', typeSVG)
         : document.createElement(typeHTML)
 
     let style: CSSStyleDeclaration | undefined
     let styleUnsubscribers: Map<string | number, Unsubscribe> | undefined
 
-    if (newProps.style != null) {
+    if (newProps.style !== undefined) {
       style = element.style
       styleUnsubscribers = new Map()
 
@@ -133,7 +133,7 @@ export const setupHostConfig = (): HostConfig<
       for (const key in styleProp) {
         const value = styleProp[key]
 
-        if (value != null) {
+        if (value !== undefined) {
           if (isFacet(value)) {
             notNullStyleUnsubscribers.set(
               key,
@@ -148,7 +148,7 @@ export const setupHostConfig = (): HostConfig<
       }
     }
 
-    if (newProps.dangerouslySetInnerHTML != null) {
+    if (newProps.dangerouslySetInnerHTML !== undefined) {
       element.innerHTML = newProps.dangerouslySetInnerHTML.__html
     }
 
@@ -214,103 +214,114 @@ export const setupHostConfig = (): HostConfig<
       style,
       children: new Set(),
 
-      className: newProps.className != null ? setupClassUpdate(newProps.className, element) : undefined,
-      id: newProps.id != null ? setupIdUpdate(newProps.id, element) : undefined,
-      autoPlay: newProps.autoPlay != null ? setupAttributeUpdate('autoplay', newProps.autoPlay, element) : undefined,
-      loop: newProps.loop != null ? setupAttributeUpdate('loop', newProps.loop, element) : undefined,
-      href: newProps.href != null ? setupAttributeUpdate('href', newProps.href, element) : undefined,
-      target: newProps.target != null ? setupAttributeUpdate('target', newProps.target, element) : undefined,
-      disabled: newProps.disabled != null ? setupAttributeUpdate('disabled', newProps.disabled, element) : undefined,
-      maxLength: newProps.maxLength != null ? setupMaxLengthUpdate(newProps.maxLength, element) : undefined,
-      rows: newProps.rows != null ? setupRowsUpdate(newProps.rows, element) : undefined,
-      type: newProps.type != null ? setupAttributeUpdate('type', newProps.type, element) : undefined,
-      value: newProps.value != null ? setupValueUpdate(newProps.value, element) : undefined,
-      src: newProps.src != null ? setupSrcUpdate(newProps.src, element) : undefined,
-
-      d: newProps.d != null ? setupAttributeUpdate('d', newProps.d, element) : undefined,
-      fill: newProps.fill != null ? setupAttributeUpdate('fill', newProps.fill, element) : undefined,
-      height: newProps.height != null ? setupAttributeUpdate('height', newProps.height, element) : undefined,
-      stroke: newProps.stroke != null ? setupAttributeUpdate('stroke', newProps.stroke, element) : undefined,
-      x: newProps.x != null ? setupAttributeUpdate('x', newProps.x, element) : undefined,
-      width: newProps.width != null ? setupAttributeUpdate('width', newProps.width, element) : undefined,
-      y: newProps.y != null ? setupAttributeUpdate('y', newProps.y, element) : undefined,
-
-      cx: newProps.cx != null ? setupAttributeUpdate('cx', newProps.cx, element) : undefined,
-      cy: newProps.cy != null ? setupAttributeUpdate('cy', newProps.cy, element) : undefined,
-      r: newProps.r != null ? setupAttributeUpdate('r', newProps.r, element) : undefined,
-      rx: newProps.rx != null ? setupAttributeUpdate('rx', newProps.rx, element) : undefined,
-      ry: newProps.ry != null ? setupAttributeUpdate('ry', newProps.ry, element) : undefined,
-
-      x1: newProps.x1 != null ? setupAttributeUpdate('x1', newProps.x1, element) : undefined,
-      x2: newProps.x2 != null ? setupAttributeUpdate('x2', newProps.x2, element) : undefined,
-      y1: newProps.y1 != null ? setupAttributeUpdate('y1', newProps.y1, element) : undefined,
-      y2: newProps.y2 != null ? setupAttributeUpdate('y2', newProps.y2, element) : undefined,
+      className: newProps.className !== undefined ? setupClassUpdate(newProps.className, element) : undefined,
+      id: newProps.id !== undefined ? setupIdUpdate(newProps.id, element) : undefined,
+      autoPlay:
+        newProps.autoPlay !== undefined ? setupAttributeUpdate('autoplay', newProps.autoPlay, element) : undefined,
+      loop: newProps.loop !== undefined ? setupAttributeUpdate('loop', newProps.loop, element) : undefined,
+      href: newProps.href !== undefined ? setupAttributeUpdate('href', newProps.href, element) : undefined,
+      target: newProps.target !== undefined ? setupAttributeUpdate('target', newProps.target, element) : undefined,
+      disabled:
+        newProps.disabled !== undefined ? setupAttributeUpdate('disabled', newProps.disabled, element) : undefined,
+      maxLength: newProps.maxLength !== undefined ? setupMaxLengthUpdate(newProps.maxLength, element) : undefined,
+      rows: newProps.rows !== undefined ? setupRowsUpdate(newProps.rows, element) : undefined,
+      type: newProps.type !== undefined ? setupAttributeUpdate('type', newProps.type, element) : undefined,
+      value: newProps.value !== undefined ? setupValueUpdate(newProps.value, element) : undefined,
+      src: newProps.src !== undefined ? setupSrcUpdate(newProps.src, element) : undefined,
+
+      d: newProps.d !== undefined ? setupAttributeUpdate('d', newProps.d, element) : undefined,
+      fill: newProps.fill !== undefined ? setupAttributeUpdate('fill', newProps.fill, element) : undefined,
+      height: newProps.height !== undefined ? setupAttributeUpdate('height', newProps.height, element) : undefined,
+      stroke: newProps.stroke !== undefined ? setupAttributeUpdate('stroke', newProps.stroke, element) : undefined,
+      x: newProps.x !== undefined ? setupAttributeUpdate('x', newProps.x, element) : undefined,
+      width: newProps.width !== undefined ? setupAttributeUpdate('width', newProps.width, element) : undefined,
+      y: newProps.y !== undefined ? setupAttributeUpdate('y', newProps.y, element) : undefined,
+
+      cx: newProps.cx !== undefined ? setupAttributeUpdate('cx', newProps.cx, element) : undefined,
+      cy: newProps.cy !== undefined ? setupAttributeUpdate('cy', newProps.cy, element) : undefined,
+      r: newProps.r !== undefined ? setupAttributeUpdate('r', newProps.r, element) : undefined,
+      rx: newProps.rx !== undefined ? setupAttributeUpdate('rx', newProps.rx, element) : undefined,
+      ry: newProps.ry !== undefined ? setupAttributeUpdate('ry', newProps.ry, element) : undefined,
+
+      x1: newProps.x1 !== undefined ? setupAttributeUpdate('x1', newProps.x1, element) : undefined,
+      x2: newProps.x2 !== undefined ? setupAttributeUpdate('x2', newProps.x2, element) : undefined,
+      y1: newProps.y1 !== undefined ? setupAttributeUpdate('y1', newProps.y1, element) : undefined,
+      y2: newProps.y2 !== undefined ? setupAttributeUpdate('y2', newProps.y2, element) : undefined,
       strokeWidth:
-        newProps.strokeWidth != null ? setupAttributeUpdate('stroke-width', newProps.strokeWidth, element) : undefined,
-      viewBox: newProps.viewBox != null ? setupViewBoxUpdate(newProps.viewBox, element) : undefined,
+        newProps.strokeWidth !== undefined
+          ? setupAttributeUpdate('stroke-width', newProps.strokeWidth, element)
+          : undefined,
+      viewBox: newProps.viewBox !== undefined ? setupViewBoxUpdate(newProps.viewBox, element) : undefined,
       xLinkHref:
-        newProps.xLinkHref != null ? setupAttributeUpdate('xlink:href', newProps.xLinkHref, element) : undefined,
+        newProps.xLinkHref !== undefined ? setupAttributeUpdate('xlink:href', newProps.xLinkHref, element) : undefined,
       fillOpacity:
-        newProps.fillOpacity != null ? setupAttributeUpdate('fill-opacity', newProps.fillOpacity, element) : undefined,
+        newProps.fillOpacity !== undefined
+          ? setupAttributeUpdate('fill-opacity', newProps.fillOpacity, element)
+          : undefined,
       strokeOpacity:
-        newProps.strokeOpacity != null
+        newProps.strokeOpacity !== undefined
           ? setupAttributeUpdate('stroke-opacity', newProps.strokeOpacity, element)
           : undefined,
       strokeLinecap:
-        newProps.strokeLinecap != null
+        newProps.strokeLinecap !== undefined
           ? setupAttributeUpdate('stroke-linecap', newProps.strokeLinecap, element)
           : undefined,
       strokeLinejoin:
-        newProps.strokeLinejoin != null
+        newProps.strokeLinejoin !== undefined
           ? setupAttributeUpdate('stroke-linejoin', newProps.strokeLinejoin, element)
           : undefined,
-      points: newProps.points != null ? setupAttributeUpdate('points', newProps.points, element) : undefined,
-      offset: newProps.offset != null ? setupAttributeUpdate('offset', newProps.offset, element) : undefined,
+      points: newProps.points !== undefined ? setupAttributeUpdate('points', newProps.points, element) : undefined,
+      offset: newProps.offset !== undefined ? setupAttributeUpdate('offset', newProps.offset, element) : undefined,
       stopColor:
-        newProps.stopColor != null ? setupAttributeUpdate('stop-color', newProps.stopColor, element) : undefined,
+        newProps.stopColor !== undefined ? setupAttributeUpdate('stop-color', newProps.stopColor, element) : undefined,
       stopOpacity:
-        newProps.stopOpacity != null ? setupAttributeUpdate('stop-opacity', newProps.stopOpacity, element) : undefined,
+        newProps.stopOpacity !== undefined
+          ? setupAttributeUpdate('stop-opacity', newProps.stopOpacity, element)
+          : undefined,
       fontFamily:
-        newProps.fontFamily != null ? setupAttributeUpdate('font-family', newProps.fontFamily, element) : undefined,
-      fontSize: newProps.fontSize != null ? setupAttributeUpdate('font-size', newProps.fontSize, element) : undefined,
+        newProps.fontFamily !== undefined
+          ? setupAttributeUpdate('font-family', newProps.fontFamily, element)
+          : undefined,
+      fontSize:
+        newProps.fontSize !== undefined ? setupAttributeUpdate('font-size', newProps.fontSize, element) : undefined,
 
       ['data-droppable']:
-        newProps['data-droppable'] != null
+        newProps['data-droppable'] !== undefined
           ? setupAttributeUpdate('data-droppable', newProps['data-droppable'], element)
           : undefined,
 
       ['data-narrate']:
-        newProps['data-narrate'] != null
+        newProps['data-narrate'] !== undefined
           ? setupAttributeUpdate('data-narrate', newProps['data-narrate'], element)
           : undefined,
 
       ['data-narrate-as']:
-        newProps['data-narrate-as'] != null
+        newProps['data-narrate-as'] !== undefined
           ? setupAttributeUpdate('data-narrate-as', newProps['data-narrate-as'], element)
           : undefined,
 
       ['data-narrate-before']:
-        newProps['data-narrate-before'] != null
+        newProps['data-narrate-before'] !== undefined
           ? setupAttributeUpdate('data-narrate-before', newProps['data-narrate-before'], element)
           : undefined,
 
       ['data-narrate-after']:
-        newProps['data-narrate-after'] != null
+        newProps['data-narrate-after'] !== undefined
           ? setupAttributeUpdate('data-narrate-after', newProps['data-narrate-after'], element)
           : undefined,
 
       ['data-testid']:
-        newProps['data-testid'] != null
+        newProps['data-testid'] !== undefined
           ? setupAttributeUpdate('data-testid', newProps['data-testid'], element)
           : undefined,
 
       ['data-x-ray']:
-        newProps['data-x-ray'] != null
+        newProps['data-x-ray'] !== undefined
           ? setupAttributeUpdate('data-x-ray', newProps['data-x-ray'], element)
           : undefined,
 
       cohinline:
-        newProps.cohinline != null ? setupAttributeUpdate('cohinline', newProps.cohinline, element) : undefined,
+        newProps.cohinline !== undefined ? setupAttributeUpdate('cohinline', newProps.cohinline, element) : undefined,
     }
   },
 
@@ -355,12 +366,12 @@ export const setupHostConfig = (): HostConfig<
       const oldStyleProp = oldProps.style
       const newStyleProp = newProps.style
 
-      if (oldStyleProp != null) {
+      if (oldStyleProp !== undefined) {
         for (const key in oldStyleProp) {
           const oldValue = oldStyleProp[key]
           const newValue = newStyleProp?.[key]
 
-          if (oldValue !== newValue || newStyleProp == null) {
+          if (oldValue !== newValue || newStyleProp === undefined) {
             if (isFacet(oldValue)) {
               styleUnsubscribers.get(key)?.()
             }
@@ -368,12 +379,12 @@ export const setupHostConfig = (): HostConfig<
         }
       }
 
-      if (newStyleProp != null) {
+      if (newStyleProp !== undefined) {
         for (const key in newStyleProp) {
           const oldValue = oldStyleProp?.[key]
           const newValue = newStyleProp[key]
 
-          if (oldValue !== newValue || oldStyleProp == null) {
+          if (oldValue !== newValue || oldStyleProp === undefined) {
             if (isFacet(newValue)) {
               styleUnsubscribers.set(
                 key,
@@ -389,8 +400,8 @@ export const setupHostConfig = (): HostConfig<
       }
     }
 
-    if (newProps.dangerouslySetInnerHTML != oldProps.dangerouslySetInnerHTML) {
-      if (newProps.dangerouslySetInnerHTML != null) {
+    if (newProps.dangerouslySetInnerHTML !== oldProps.dangerouslySetInnerHTML) {
+      if (newProps.dangerouslySetInnerHTML !== undefined) {
         element.innerHTML = newProps.dangerouslySetInnerHTML.__html
       } else {
         element.innerHTML = ''
@@ -400,7 +411,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps.autoPlay !== oldProps.autoPlay) {
       instance.autoPlay?.()
 
-      if (newProps.autoPlay == null) {
+      if (newProps.autoPlay === undefined) {
         element.removeAttribute('autoplay')
       } else {
         instance.autoPlay = setupAttributeUpdate('autoplay', newProps.autoPlay, element)
@@ -410,7 +421,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps.className !== oldProps.className) {
       instance.className?.()
 
-      if (newProps.className == null) {
+      if (newProps.className === undefined) {
         element.className = ''
       } else {
         instance.className = setupClassUpdate(newProps.className, element)
@@ -420,7 +431,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps.d !== oldProps.d) {
       instance.d?.()
 
-      if (newProps.d == null) {
+      if (newProps.d === undefined) {
         element.removeAttribute('d')
       } else {
         instance.d = setupAttributeUpdate('d', newProps.d, element)
@@ -430,7 +441,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps['data-droppable'] !== oldProps['data-droppable']) {
       instance['data-droppable']?.()
 
-      if (newProps['data-droppable'] == null) {
+      if (newProps['data-droppable'] === undefined) {
         element.removeAttribute('data-droppable')
       } else {
         instance['data-droppable'] = setupAttributeUpdate('data-droppable', newProps['data-droppable'], element)
@@ -440,7 +451,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps['data-narrate'] !== oldProps['data-narrate']) {
       instance['data-narrate']?.()
 
-      if (newProps['data-narrate'] == null) {
+      if (newProps['data-narrate'] === undefined) {
         element.removeAttribute('data-narrate')
       } else {
         instance['data-narrate'] = setupAttributeUpdate('data-narrate', newProps['data-narrate'], element)
@@ -450,7 +461,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps['data-narrate-as'] !== oldProps['data-narrate-as']) {
       instance['data-narrate-as']?.()
 
-      if (newProps['data-narrate-as'] == null) {
+      if (newProps['data-narrate-as'] === undefined) {
         element.removeAttribute('data-narrate-as')
       } else {
         instance['data-narrate-as'] = setupAttributeUpdate('data-narrate-as', newProps['data-narrate-as'], element)
@@ -460,7 +471,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps['data-narrate-after'] !== oldProps['data-narrate-after']) {
       instance['data-narrate-after']?.()
 
-      if (newProps['data-narrate-after'] == null) {
+      if (newProps['data-narrate-after'] === undefined) {
         element.removeAttribute('data-narrate-after')
       } else {
         instance['data-narrate-after'] = setupAttributeUpdate(
@@ -474,7 +485,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps['data-narrate-before'] !== oldProps['data-narrate-before']) {
       instance['data-narrate-before']?.()
 
-      if (newProps['data-narrate-before'] == null) {
+      if (newProps['data-narrate-before'] === undefined) {
         element.removeAttribute('data-narrate-before')
       } else {
         instance['data-narrate-before'] = setupAttributeUpdate(
@@ -488,7 +499,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps['data-testid'] !== oldProps['data-testid']) {
       instance['data-testid']?.()
 
-      if (newProps['data-testid'] == null) {
+      if (newProps['data-testid'] === undefined) {
         element.removeAttribute('data-testid')
       } else {
         instance['data-testid'] = setupAttributeUpdate('data-testid', newProps['data-testid'], element)
@@ -498,7 +509,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps['data-x-ray'] !== oldProps['data-x-ray']) {
       instance['data-x-ray']?.()
 
-      if (newProps['data-x-ray'] == null) {
+      if (newProps['data-x-ray'] === undefined) {
         element.removeAttribute('data-x-ray')
       } else {
         instance['data-x-ray'] = setupAttributeUpdate('data-x-ray', newProps['data-x-ray'], element)
@@ -508,7 +519,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps.fill !== oldProps.fill) {
       instance.fill?.()
 
-      if (newProps.fill == null) {
+      if (newProps.fill === undefined) {
         element.removeAttribute('fill')
       } else {
         instance.fill = setupAttributeUpdate('fill', newProps.fill, element)
@@ -518,7 +529,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps.id !== oldProps.id) {
       instance.id?.()
 
-      if (newProps.id == null) {
+      if (newProps.id === undefined) {
         element.id = ''
       } else {
         instance.id = setupIdUpdate(newProps.id, element)
@@ -528,7 +539,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps.loop !== oldProps.loop) {
       instance.loop?.()
 
-      if (newProps.loop == null) {
+      if (newProps.loop === undefined) {
         element.removeAttribute('loop')
       } else {
         instance.loop = setupAttributeUpdate('loop', newProps.loop, element)
@@ -538,7 +549,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps.href !== oldProps.href) {
       instance.href?.()
 
-      if (newProps.href == null) {
+      if (newProps.href === undefined) {
         element.removeAttribute('href')
       } else {
         instance.href = setupAttributeUpdate('href', newProps.href, element)
@@ -548,7 +559,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps.target !== oldProps.target) {
       instance.target?.()
 
-      if (newProps.target == null) {
+      if (newProps.target === undefined) {
         element.removeAttribute('target')
       } else {
         instance.target = setupAttributeUpdate('target', newProps.target, element)
@@ -558,7 +569,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps.disabled !== oldProps.disabled) {
       instance.disabled?.()
 
-      if (newProps.disabled == null) {
+      if (newProps.disabled === undefined) {
         element.removeAttribute('disabled')
       } else {
         instance.disabled = setupAttributeUpdate('disabled', newProps.disabled, element)
@@ -568,7 +579,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps.height !== oldProps.height) {
       instance.height?.()
 
-      if (newProps.height == null) {
+      if (newProps.height === undefined) {
         element.removeAttribute('height')
       } else {
         instance.height = setupAttributeUpdate('height', newProps.height, element)
@@ -578,7 +589,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps.maxLength !== oldProps.maxLength) {
       instance.maxLength?.()
 
-      if (newProps.maxLength == null) {
+      if (newProps.maxLength === undefined) {
         const textElement = element as HTMLTextAreaElement
         textElement.removeAttribute('maxlength')
       } else {
@@ -589,7 +600,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps.rows !== oldProps.rows) {
       instance.rows?.()
 
-      if (newProps.rows == null) {
+      if (newProps.rows === undefined) {
         const textElement = element as HTMLTextAreaElement
         textElement.removeAttribute('rows')
       } else {
@@ -600,7 +611,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps.stroke !== oldProps.stroke) {
       instance.stroke?.()
 
-      if (newProps.stroke == null) {
+      if (newProps.stroke === undefined) {
         element.removeAttribute('stroke')
       } else {
         instance.stroke = setupAttributeUpdate('stroke', newProps.stroke, element)
@@ -610,7 +621,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps.type !== oldProps.type) {
       instance.type?.()
 
-      if (newProps.type == null) {
+      if (newProps.type === undefined) {
         const textElement = element as HTMLTextAreaElement
         textElement.removeAttribute('type')
       } else {
@@ -621,7 +632,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps.value !== oldProps.value) {
       instance.value?.()
 
-      if (newProps.value == null) {
+      if (newProps.value === undefined) {
         const textElement = element as HTMLTextAreaElement
         textElement.removeAttribute('value')
       } else {
@@ -632,7 +643,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps.x !== oldProps.x) {
       instance.x?.()
 
-      if (newProps.x == null) {
+      if (newProps.x === undefined) {
         element.removeAttribute('x')
       } else {
         instance.x = setupAttributeUpdate('x', newProps.x, element)
@@ -642,7 +653,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps.width !== oldProps.width) {
       instance.width?.()
 
-      if (newProps.width == null) {
+      if (newProps.width === undefined) {
         element.removeAttribute('width')
       } else {
         instance.width = setupAttributeUpdate('width', newProps.width, element)
@@ -652,7 +663,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps.y !== oldProps.y) {
       instance.y?.()
 
-      if (newProps.y == null) {
+      if (newProps.y === undefined) {
         element.removeAttribute('y')
       } else {
         instance.y = setupAttributeUpdate('y', newProps.y, element)
@@ -662,7 +673,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps.cx !== oldProps.cx) {
       instance.cx?.()
 
-      if (newProps.cx == null) {
+      if (newProps.cx === undefined) {
         element.removeAttribute('cx')
       } else {
         instance.cx = setupAttributeUpdate('cx', newProps.cx, element)
@@ -672,7 +683,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps.r !== oldProps.r) {
       instance.r?.()
 
-      if (newProps.r == null) {
+      if (newProps.r === undefined) {
         element.removeAttribute('r')
       } else {
         instance.r = setupAttributeUpdate('r', newProps.r, element)
@@ -682,7 +693,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps.cy !== oldProps.cy) {
       instance.cy?.()
 
-      if (newProps.cy == null) {
+      if (newProps.cy === undefined) {
         element.removeAttribute('cy')
       } else {
         instance.cy = setupAttributeUpdate('cy', newProps.cy, element)
@@ -692,7 +703,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps.rx !== oldProps.rx) {
       instance.rx?.()
 
-      if (newProps.rx == null) {
+      if (newProps.rx === undefined) {
         element.removeAttribute('rx')
       } else {
         instance.rx = setupAttributeUpdate('rx', newProps.rx, element)
@@ -702,7 +713,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps.ry !== oldProps.ry) {
       instance.ry?.()
 
-      if (newProps.ry == null) {
+      if (newProps.ry === undefined) {
         element.removeAttribute('ry')
       } else {
         instance.ry = setupAttributeUpdate('ry', newProps.ry, element)
@@ -712,7 +723,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps.x1 !== oldProps.x1) {
       instance.x1?.()
 
-      if (newProps.x1 == null) {
+      if (newProps.x1 === undefined) {
         element.removeAttribute('x1')
       } else {
         instance.x1 = setupAttributeUpdate('x1', newProps.x1, element)
@@ -722,7 +733,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps.x2 !== oldProps.x2) {
       instance.x2?.()
 
-      if (newProps.x2 == null) {
+      if (newProps.x2 === undefined) {
         element.removeAttribute('x2')
       } else {
         instance.x2 = setupAttributeUpdate('x2', newProps.x2, element)
@@ -732,7 +743,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps.y1 !== oldProps.y1) {
       instance.y1?.()
 
-      if (newProps.y1 == null) {
+      if (newProps.y1 === undefined) {
         element.removeAttribute('y1')
       } else {
         instance.y1 = setupAttributeUpdate('y1', newProps.y1, element)
@@ -742,7 +753,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps.y2 !== oldProps.y2) {
       instance.y2?.()
 
-      if (newProps.y2 == null) {
+      if (newProps.y2 === undefined) {
         element.removeAttribute('y2')
       } else {
         instance.y2 = setupAttributeUpdate('y2', newProps.y2, element)
@@ -752,7 +763,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps.strokeWidth !== oldProps.strokeWidth) {
       instance.strokeWidth?.()
 
-      if (newProps.strokeWidth == null) {
+      if (newProps.strokeWidth === undefined) {
         element.removeAttribute('strokeWidth')
       } else {
         instance.strokeWidth = setupAttributeUpdate('stroke-width', newProps.strokeWidth, element)
@@ -762,7 +773,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps.viewBox !== oldProps.viewBox) {
       instance.viewBox?.()
 
-      if (newProps.viewBox == null) {
+      if (newProps.viewBox === undefined) {
         element.removeAttribute('viewBox')
       } else {
         instance.viewBox = setupViewBoxUpdate(newProps.viewBox, element)
@@ -772,7 +783,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps.xLinkHref !== oldProps.xLinkHref) {
       instance.xLinkHref?.()
 
-      if (newProps.xLinkHref == null) {
+      if (newProps.xLinkHref === undefined) {
         element.removeAttribute('xlink:href')
       } else {
         instance.xLinkHref = setupAttributeUpdate('xlink:href', newProps.xLinkHref, element)
@@ -782,7 +793,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps.fillOpacity !== oldProps.fillOpacity) {
       instance.fillOpacity?.()
 
-      if (newProps.fillOpacity == null) {
+      if (newProps.fillOpacity === undefined) {
         element.removeAttribute('fill-opacity')
       } else {
         instance.fillOpacity = setupAttributeUpdate('fill-opacity', newProps.fillOpacity, element)
@@ -792,7 +803,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps.strokeOpacity !== oldProps.strokeOpacity) {
       instance.strokeOpacity?.()
 
-      if (newProps.strokeOpacity == null) {
+      if (newProps.strokeOpacity === undefined) {
         element.removeAttribute('stroke-opacity')
       } else {
         instance.strokeOpacity = setupAttributeUpdate('stroke-opacity', newProps.strokeOpacity, element)
@@ -802,7 +813,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps.strokeLinecap !== oldProps.strokeLinecap) {
       instance.strokeLinecap?.()
 
-      if (newProps.strokeLinecap == null) {
+      if (newProps.strokeLinecap === undefined) {
         element.removeAttribute('stroke-linecap')
       } else {
         instance.strokeLinecap = setupAttributeUpdate('stroke-linecap', newProps.strokeLinecap, element)
@@ -812,7 +823,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps.strokeLinejoin !== oldProps.strokeLinejoin) {
       instance.strokeLinejoin?.()
 
-      if (newProps.strokeLinejoin == null) {
+      if (newProps.strokeLinejoin === undefined) {
         element.removeAttribute('stroke-linejoin')
       } else {
         instance.strokeLinejoin = setupAttributeUpdate('stroke-linejoin', newProps.strokeLinejoin, element)
@@ -821,7 +832,7 @@ export const setupHostConfig = (): HostConfig<
 
     if (newProps.points !== oldProps.points) {
       instance.points?.()
-      if (newProps.points == null) {
+      if (newProps.points === undefined) {
         element.removeAttribute('points')
       } else {
         instance.points = setupAttributeUpdate('points', newProps.points, element)
@@ -830,7 +841,7 @@ export const setupHostConfig = (): HostConfig<
 
     if (newProps.offset !== oldProps.offset) {
       instance.offset?.()
-      if (newProps.offset == null) {
+      if (newProps.offset === undefined) {
         element.removeAttribute('offset')
       } else {
         instance.offset = setupAttributeUpdate('offset', newProps.offset, element)
@@ -839,7 +850,7 @@ export const setupHostConfig = (): HostConfig<
 
     if (newProps.stopColor !== oldProps.stopColor) {
       instance.stopColor?.()
-      if (newProps.stopColor == null) {
+      if (newProps.stopColor === undefined) {
         element.removeAttribute('stop-color')
       } else {
         instance.stopColor = setupAttributeUpdate('stop-color', newProps.stopColor, element)
@@ -848,7 +859,7 @@ export const setupHostConfig = (): HostConfig<
 
     if (newProps.stopOpacity !== oldProps.stopOpacity) {
       instance.stopOpacity?.()
-      if (newProps.stopOpacity == null) {
+      if (newProps.stopOpacity === undefined) {
         element.removeAttribute('stop-opacity')
       } else {
         instance.stopOpacity = setupAttributeUpdate('stop-opacity', newProps.stopOpacity, element)
@@ -857,7 +868,7 @@ export const setupHostConfig = (): HostConfig<
 
     if (newProps.fontFamily !== oldProps.fontFamily) {
       instance.fontFamily?.()
-      if (newProps.fontFamily == null) {
+      if (newProps.fontFamily === undefined) {
         element.removeAttribute('font-family')
       } else {
         instance.fontFamily = setupAttributeUpdate('font-family', newProps.fontFamily, element)
@@ -866,7 +877,7 @@ export const setupHostConfig = (): HostConfig<
 
     if (newProps.fontSize !== oldProps.fontSize) {
       instance.fontSize?.()
-      if (newProps.fontSize == null) {
+      if (newProps.fontSize === undefined) {
         element.removeAttribute('font-size')
       } else {
         instance.fontSize = setupAttributeUpdate('font-size', newProps.fontSize, element)
@@ -876,7 +887,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps.src !== oldProps.src) {
       instance.src?.()
 
-      if (newProps.src == null) {
+      if (newProps.src === undefined) {
         const textElement = element as HTMLTextAreaElement
         textElement.removeAttribute('src')
       } else {
@@ -887,7 +898,7 @@ export const setupHostConfig = (): HostConfig<
     if (newProps.cohinline !== oldProps.cohinline) {
       instance.cohinline?.()
 
-      if (newProps.cohinline == null) {
+      if (newProps.cohinline === undefined) {
         element.removeAttribute('cohinline')
       } else {
         instance.cohinline = setupAttributeUpdate('cohinline', newProps.cohinline, element)
diff --git a/packages/@react-facet/dom-fiber/src/types.ts b/packages/@react-facet/dom-fiber/src/types.ts
index f3f05d7a..b2b1acce 100644
--- a/packages/@react-facet/dom-fiber/src/types.ts
+++ b/packages/@react-facet/dom-fiber/src/types.ts
@@ -252,7 +252,7 @@ export type ElementContainer = {
 }
 
 export const isElementContainer = (value: ElementContainer | TextContainer): value is ElementContainer => {
-  return value != null && 'children' in value
+  return 'children' in value
 }
 
 export type TextContainer = {
diff --git a/packages/@react-facet/shared-facet/src/index.spec.tsx b/packages/@react-facet/shared-facet/src/index.spec.tsx
index 569d2018..8eba1dd8 100644
--- a/packages/@react-facet/shared-facet/src/index.spec.tsx
+++ b/packages/@react-facet/shared-facet/src/index.spec.tsx
@@ -123,7 +123,7 @@ describe('rendering from a selector', () => {
     const NestedExample = () => {
       const value = useFacetUnwrap(useSharedFacet(fooFacet))
 
-      if (value == NO_VALUE) return null
+      if (value === NO_VALUE) return null
 
       return (
         <div>
diff --git a/packages/@react-facet/spring/src/useFacetSpring.ts b/packages/@react-facet/spring/src/useFacetSpring.ts
index 44457c0a..8fccead5 100644
--- a/packages/@react-facet/spring/src/useFacetSpring.ts
+++ b/packages/@react-facet/spring/src/useFacetSpring.ts
@@ -19,10 +19,10 @@ export function useFacetSpring(targetFacet: Facet<number>, options?: UseFacetSpr
   useFacetEffect(
     (target) => {
       let frameID: number
-      let previousTimestamp: number
+      let previousTimestamp: number | undefined = undefined
 
       const tick = (now: number) => {
-        const secondsPerFrame = previousTimestamp == null ? 1 / 60 : (now - previousTimestamp) / 1000
+        const secondsPerFrame = previousTimestamp === undefined ? 1 / 60 : (now - previousTimestamp) / 1000
         previousTimestamp = now
 
         setState((currentState) => {