diff --git a/src/model/Path.ts b/src/model/Path.ts
index 247e75f6..35dbaa23 100644
--- a/src/model/Path.ts
+++ b/src/model/Path.ts
@@ -7,7 +7,7 @@ export class Path implements Iterable<PathElement> {
   model?: DataModel
 
   constructor(arr?: PathElement[], model?: DataModel) {
-    this.arr = arr || []
+    this.arr = arr ?? []
     this.model = model
   }
 
diff --git a/src/nodes/AbstractNode.ts b/src/nodes/AbstractNode.ts
index b83eb342..9d535144 100644
--- a/src/nodes/AbstractNode.ts
+++ b/src/nodes/AbstractNode.ts
@@ -44,10 +44,10 @@ export abstract class AbstractNode<T> implements INode<T> {
   forceMod: IForce
 
   constructor(mods?: NodeMods<T>) {
-    this.defaultMod = mods?.default ? mods.default : (v) => v
-    this.transformMod = mods?.transform ? mods.transform : (v) => v
-    this.enableMod = mods?.enable ? mods.enable : () => true
-    this.forceMod = mods?.force ? mods.force : () => false
+    this.defaultMod = mods?.default ?? ((v) => v)
+    this.transformMod = mods?.transform ?? ((v) => v)
+    this.enableMod = mods?.enable ?? (() => true)
+    this.forceMod = mods?.force ?? (() => false)
   }
 
   setParent(parent: INode<any>) {
diff --git a/src/nodes/MapNode.ts b/src/nodes/MapNode.ts
index 8b0b20d4..1bf1ac99 100644
--- a/src/nodes/MapNode.ts
+++ b/src/nodes/MapNode.ts
@@ -20,7 +20,7 @@ export class MapNode extends AbstractNode<IMap> {
   }
 
   renderRaw(path: Path, value: IMap, view: TreeView) {
-    value = value || []
+    value = value ?? []
     const button = view.registerClick(el => {
       const key = this.keys.getState(el.parentElement!)
       view.model.set(path.push(key), this.values.default())
diff --git a/src/nodes/NumberNode.ts b/src/nodes/NumberNode.ts
index fd2d2dd0..deb11b3d 100644
--- a/src/nodes/NumberNode.ts
+++ b/src/nodes/NumberNode.ts
@@ -18,9 +18,9 @@ export class NumberNode extends AbstractNode<number> implements StateNode<number
     super({
       default: () => 0,
       ...mods})
-    this.integer = mods?.integer ? mods.integer : false
-    this.min = mods?.min !== undefined ? mods.min : -Infinity
-    this.max = mods?.max !== undefined ? mods.max : Infinity
+    this.integer = mods?.integer ?? false
+    this.min = mods?.min ?? -Infinity
+    this.max = mods?.max ?? Infinity
   }
 
   getState(el: Element) {
@@ -37,6 +37,6 @@ export class NumberNode extends AbstractNode<number> implements StateNode<number
 
   renderRaw(path: Path, value: number, view: TreeView, options?: RenderOptions) {
     return `${options?.hideLabel ? `` : `<label>${path.last()}</label>`}
-      <input value="${value === undefined ? '' : value}"></input>`
+      <input value="${value ?? ''}"></input>`
   }
 }
diff --git a/src/nodes/ObjectNode.ts b/src/nodes/ObjectNode.ts
index 7ea20c62..dd031b08 100644
--- a/src/nodes/ObjectNode.ts
+++ b/src/nodes/ObjectNode.ts
@@ -21,7 +21,7 @@ export class ObjectNode extends AbstractNode<IObject> {
 
   transform(path: Path, value: IObject) {
     if (value === undefined) return undefined
-    value = value || {}
+    value = value ?? {}
     let res: any = {}
     Object.keys(this.fields).forEach(f =>
       res[f] = this.fields[f].transform(path.push(f), value[f])
diff --git a/src/nodes/RootNode.ts b/src/nodes/RootNode.ts
index d4f33158..d586f59f 100644
--- a/src/nodes/RootNode.ts
+++ b/src/nodes/RootNode.ts
@@ -12,7 +12,7 @@ export class RootNode extends ObjectNode {
   }
 
   render(path: Path, value: IObject, view: TreeView) {
-    value = value || {}
+    value = value ?? {}
     return `<div>
       ${Object.keys(this.fields).map(f => {
         return this.fields[f].render(path.push(f), value[f], view)
diff --git a/src/nodes/StringNode.ts b/src/nodes/StringNode.ts
index 614605a1..42005d22 100644
--- a/src/nodes/StringNode.ts
+++ b/src/nodes/StringNode.ts
@@ -12,7 +12,7 @@ export class StringNode extends AbstractNode<string> implements StateNode<string
 
   constructor(mods?: StringNodeMods) {
     super(mods)
-    this.allowEmpty = (mods?.allowEmpty === true)
+    this.allowEmpty = mods?.allowEmpty ?? false
   }
 
   getState(el: Element) {
@@ -26,6 +26,6 @@ export class StringNode extends AbstractNode<string> implements StateNode<string
 
   renderRaw(path: Path, value: string, view: TreeView, options?: RenderOptions) {
     return `${options?.hideLabel ? `` : `<label>${path.last()}</label>`}
-      <input value="${value || ''}"></input>`
+      <input value="${value ?? ''}"></input>`
   }
 }