TSL: Improve warnings (#30783)

* improve warnings

* cleanup

examples/jsm/tsl/display/BloomNode.js

@@ -457,7 +457,7 @@ class BloomNode extends TempNode {
 
 		//
 
-		const colorTexture = texture();
+		const colorTexture = texture( null );
 		const gaussianCoefficients = uniformArray( coefficients );
 		const invSize = uniform( new Vector2() );
 		const direction = uniform( new Vector2( 0.5, 0.5 ) );

src/nodes/accessors/BatchNode.js

@@ -160,4 +160,4 @@ export default BatchNode;
  * @param {BatchedMesh} batchMesh - A reference to batched mesh.
  * @returns {BatchNode}
  */
-export const batch = /*@__PURE__*/ nodeProxy( BatchNode );
+export const batch = /*@__PURE__*/ nodeProxy( BatchNode ).setParameterLength( 1 );

src/nodes/accessors/BuiltinNode.js

@@ -60,4 +60,4 @@ export default BuiltinNode;
  * @param {string} name - The name of the built-in shader variable.
  * @returns {BuiltinNode}
  */
-export const builtin = nodeProxy( BuiltinNode );
+export const builtin = nodeProxy( BuiltinNode ).setParameterLength( 1 );

src/nodes/accessors/CubeTextureNode.js

@@ -138,4 +138,4 @@ export default CubeTextureNode;
  * @param {?Node<float>} [biasNode=null] - The bias node.
  * @returns {CubeTextureNode}
  */
-export const cubeTexture = /*@__PURE__*/ nodeProxy( CubeTextureNode );
+export const cubeTexture = /*@__PURE__*/ nodeProxy( CubeTextureNode ).setParameterLength( 1, 4 ).setName( 'cubeTexture' );

src/nodes/accessors/InstanceNode.js

@@ -220,4 +220,4 @@ export default InstanceNode;
  * @param {InstancedBufferAttribute} instanceColor - Instanced buffer attribute representing the instance colors.
  * @returns {InstanceNode}
  */
-export const instance = /*@__PURE__*/ nodeProxy( InstanceNode );
+export const instance = /*@__PURE__*/ nodeProxy( InstanceNode ).setParameterLength( 3 );

src/nodes/accessors/InstancedMeshNode.js

@@ -47,4 +47,4 @@ export default InstancedMeshNode;
  * @param {InstancedMesh} instancedMesh - The instancedMesh.
  * @returns {InstancedMeshNode}
  */
-export const instancedMesh = /*@__PURE__*/ nodeProxy( InstancedMeshNode );
+export const instancedMesh = /*@__PURE__*/ nodeProxy( InstancedMeshNode ).setParameterLength( 1 );

src/nodes/accessors/MorphNode.js

@@ -307,4 +307,4 @@ export default MorphNode;
  * @param {Mesh} mesh - The mesh holding the morph targets.
  * @returns {MorphNode}
  */
-export const morphReference = /*@__PURE__*/ nodeProxy( MorphNode );
+export const morphReference = /*@__PURE__*/ nodeProxy( MorphNode ).setParameterLength( 1 );

src/nodes/accessors/Object3DNode.js

@@ -213,57 +213,57 @@ export default Object3DNode;
  *
  * @tsl
  * @function
- * @param {?Object3D} [object3d=null] - The 3D object.
+ * @param {?Object3D} [object3d] - The 3D object.
  * @returns {Object3DNode<vec3>}
  */
-export const objectDirection = /*@__PURE__*/ nodeProxy( Object3DNode, Object3DNode.DIRECTION );
+export const objectDirection = /*@__PURE__*/ nodeProxy( Object3DNode, Object3DNode.DIRECTION ).setParameterLength( 1 );
 
 /**
  * TSL function for creating an object 3D node that represents the object's world matrix.
  *
  * @tsl
  * @function
- * @param {?Object3D} [object3d=null] - The 3D object.
+ * @param {?Object3D} [object3d] - The 3D object.
  * @returns {Object3DNode<mat4>}
  */
-export const objectWorldMatrix = /*@__PURE__*/ nodeProxy( Object3DNode, Object3DNode.WORLD_MATRIX );
+export const objectWorldMatrix = /*@__PURE__*/ nodeProxy( Object3DNode, Object3DNode.WORLD_MATRIX ).setParameterLength( 1 );
 
 /**
  * TSL function for creating an object 3D node that represents the object's position in world space.
  *
  * @tsl
  * @function
- * @param {?Object3D} [object3d=null] - The 3D object.
+ * @param {?Object3D} [object3d] - The 3D object.
  * @returns {Object3DNode<vec3>}
  */
-export const objectPosition = /*@__PURE__*/ nodeProxy( Object3DNode, Object3DNode.POSITION );
+export const objectPosition = /*@__PURE__*/ nodeProxy( Object3DNode, Object3DNode.POSITION ).setParameterLength( 1 );
 
 /**
  * TSL function for creating an object 3D node that represents the object's scale in world space.
  *
  * @tsl
  * @function
- * @param {?Object3D} [object3d=null] - The 3D object.
+ * @param {?Object3D} [object3d] - The 3D object.
  * @returns {Object3DNode<vec3>}
  */
-export const objectScale = /*@__PURE__*/ nodeProxy( Object3DNode, Object3DNode.SCALE );
+export const objectScale = /*@__PURE__*/ nodeProxy( Object3DNode, Object3DNode.SCALE ).setParameterLength( 1 );
 
 /**
  * TSL function for creating an object 3D node that represents the object's position in view/camera space.
  *
  * @tsl
  * @function
- * @param {?Object3D} [object3d=null] - The 3D object.
+ * @param {?Object3D} [object3d] - The 3D object.
  * @returns {Object3DNode<vec3>}
  */
-export const objectViewPosition = /*@__PURE__*/ nodeProxy( Object3DNode, Object3DNode.VIEW_POSITION );
+export const objectViewPosition = /*@__PURE__*/ nodeProxy( Object3DNode, Object3DNode.VIEW_POSITION ).setParameterLength( 1 );
 
 /**
  * TSL function for creating an object 3D node that represents the object's radius.
  *
  * @tsl
  * @function
- * @param {?Object3D} [object3d=null] - The 3D object.
+ * @param {?Object3D} [object3d] - The 3D object.
  * @returns {Object3DNode<vec3>}
  */
-export const objectRadius = /*@__PURE__*/ nodeProxy( Object3DNode, Object3DNode.RADIUS );
+export const objectRadius = /*@__PURE__*/ nodeProxy( Object3DNode, Object3DNode.RADIUS ).setParameterLength( 1 );

src/nodes/accessors/StorageTextureNode.js

@@ -207,7 +207,7 @@ export default StorageTextureNode;
  * @param {?Node} [storeNode=null] - The value node that should be stored in the texture.
  * @returns {StorageTextureNode}
  */
-export const storageTexture = /*@__PURE__*/ nodeProxy( StorageTextureNode );
+export const storageTexture = /*@__PURE__*/ nodeProxy( StorageTextureNode ).setParameterLength( 2, 3 );
 
 
 /**

src/nodes/accessors/Texture3DNode.js

@@ -183,4 +183,4 @@ export default Texture3DNode;
  * @param {?Node<int>} [levelNode=null] - The level node.
  * @returns {Texture3DNode}
  */
-export const texture3D = /*@__PURE__*/ nodeProxy( Texture3DNode );
+export const texture3D = /*@__PURE__*/ nodeProxy( Texture3DNode ).setParameterLength( 1, 3 );

src/nodes/accessors/TextureNode.js

@@ -740,7 +740,7 @@ export default TextureNode;
  * @param {?Node<float>} [biasNode=null] - The bias node.
  * @returns {TextureNode}
  */
-export const texture = /*@__PURE__*/ nodeProxy( TextureNode );
+export const texture = /*@__PURE__*/ nodeProxy( TextureNode ).setParameterLength( 1, 4 );
 
 /**
  * TSL function for creating a texture node that fetches/loads texels without interpolation.

src/nodes/accessors/TextureSizeNode.js

@@ -74,4 +74,4 @@ export default TextureSizeNode;
  * @param {?Node<int>} [levelNode=null] - A level node which defines the requested mip.
  * @returns {TextureSizeNode}
  */
-export const textureSize = /*@__PURE__*/ nodeProxy( TextureSizeNode );
+export const textureSize = /*@__PURE__*/ nodeProxy( TextureSizeNode ).setParameterLength( 1, 2 );

src/nodes/code/CodeNode.js

@@ -143,12 +143,12 @@ export default CodeNode;
  *
  * @tsl
  * @function
- * @param {string} [code=''] - The native code.
- * @param {Array<Node>} [includes=[]] - An array of includes.
- * @param {('js'|'wgsl'|'glsl')} [language=''] - The used language.
+ * @param {string} [code] - The native code.
+ * @param {?Array<Node>} [includes=[]] - An array of includes.
+ * @param {?('js'|'wgsl'|'glsl')} [language=''] - The used language.
  * @returns {CodeNode}
  */
-export const code = /*@__PURE__*/ nodeProxy( CodeNode );
+export const code = /*@__PURE__*/ nodeProxy( CodeNode ).setParameterLength( 1, 3 );
 
 /**
  * TSL function for creating a JS code node.

src/nodes/code/ExpressionNode.js

@@ -61,8 +61,8 @@ export default ExpressionNode;
  *
  * @tsl
  * @function
- * @param {string} [snippet=''] - The native code snippet.
- * @param {string} [nodeType='void'] - The node type.
+ * @param {string} [snippet] - The native code snippet.
+ * @param {?string} [nodeType='void'] - The node type.
  * @returns {ExpressionNode}
  */
-export const expression = /*@__PURE__*/ nodeProxy( ExpressionNode );
+export const expression = /*@__PURE__*/ nodeProxy( ExpressionNode ).setParameterLength( 1, 2 );

src/nodes/code/ScriptableNode.js

@@ -141,7 +141,7 @@ class ScriptableNode extends Node {
 		this.parameters = parameters;
 
 		this._local = new Resources();
-		this._output = scriptableValue();
+		this._output = scriptableValue( null );
 		this._outputs = {};
 		this._source = this.source;
 		this._method = null;
@@ -719,8 +719,8 @@ export default ScriptableNode;
  *
  * @tsl
  * @function
- * @param {?CodeNode} [codeNode=null] - The code node.
- * @param {Object} [parameters={}] - The parameters definition.
+ * @param {CodeNode} [codeNode] - The code node.
+ * @param {?Object} [parameters={}] - The parameters definition.
  * @returns {ScriptableNode}
  */
-export const scriptable = /*@__PURE__*/ nodeProxy( ScriptableNode );
+export const scriptable = /*@__PURE__*/ nodeProxy( ScriptableNode ).setParameterLength( 1, 2 );

src/nodes/code/ScriptableValueNode.js

@@ -247,7 +247,7 @@ export default ScriptableValueNode;
  *
  * @tsl
  * @function
- * @param {any} [value=null] - The value.
+ * @param {any} [value] - The value.
  * @returns {ScriptableValueNode}
  */
-export const scriptableValue = /*@__PURE__*/ nodeProxy( ScriptableValueNode );
+export const scriptableValue = /*@__PURE__*/ nodeProxy( ScriptableValueNode ).setParameterLength( 1 );

src/nodes/core/AssignNode.js

@@ -171,6 +171,6 @@ export default AssignNode;
  * @param {Node} sourceNode - The source type.
  * @returns {AssignNode}
  */
-export const assign = /*@__PURE__*/ nodeProxy( AssignNode );
+export const assign = /*@__PURE__*/ nodeProxy( AssignNode ).setParameterLength( 2 );
 
 addMethodChaining( 'assign', assign );

src/nodes/core/BypassNode.js

@@ -88,6 +88,6 @@ export default BypassNode;
  * @param {Node} callNode - The call node.
  * @returns {BypassNode}
  */
-export const bypass = /*@__PURE__*/ nodeProxy( BypassNode );
+export const bypass = /*@__PURE__*/ nodeProxy( BypassNode ).setParameterLength( 2 );
 
 addMethodChaining( 'bypass', bypass );

src/nodes/core/ContextNode.js

@@ -125,7 +125,7 @@ export default ContextNode;
  * @param {Object} [value={}] - The modified context data.
  * @returns {ContextNode}
  */
-export const context = /*@__PURE__*/ nodeProxy( ContextNode );
+export const context = /*@__PURE__*/ nodeProxy( ContextNode ).setParameterLength( 1, 2 );
 
 /**
  * TSL function for defining a label context value for a given node.

src/nodes/core/StackNode.js

@@ -202,4 +202,4 @@ export default StackNode;
  * @param {?StackNode} [parent=null] - The parent stack node.
  * @returns {StackNode}
  */
-export const stack = /*@__PURE__*/ nodeProxy( StackNode );
+export const stack = /*@__PURE__*/ nodeProxy( StackNode ).setParameterLength( 0, 1 );

src/nodes/core/VaryingNode.js

@@ -173,7 +173,7 @@ export default VaryingNode;
  * @param {?string} name - The name of the varying in the shader.
  * @returns {VaryingNode}
  */
-export const varying = /*@__PURE__*/ nodeProxy( VaryingNode );
+export const varying = /*@__PURE__*/ nodeProxy( VaryingNode ).setParameterLength( 1, 2 );
 
 /**
  * Computes a node in the vertex stage.

src/nodes/display/BumpMapNode.js

@@ -114,4 +114,4 @@ export default BumpMapNode;
  * @param {?Node<float>} [scaleNode=null] - Controls the intensity of the bump effect.
  * @returns {BumpMapNode}
  */
-export const bumpMap = /*@__PURE__*/ nodeProxy( BumpMapNode );
+export const bumpMap = /*@__PURE__*/ nodeProxy( BumpMapNode ).setParameterLength( 1, 2 );

src/nodes/display/NormalMapNode.js

@@ -145,4 +145,4 @@ export default NormalMapNode;
  * @param {?Node<vec2>} [scaleNode=null] - Controls the intensity of the effect.
  * @returns {NormalMapNode}
  */
-export const normalMap = /*@__PURE__*/ nodeProxy( NormalMapNode );
+export const normalMap = /*@__PURE__*/ nodeProxy( NormalMapNode ).setParameterLength( 1, 2 );

src/nodes/display/PosterizeNode.js

@@ -62,4 +62,4 @@ export default PosterizeNode;
  * @param {Node} stepsNode - Controls the intensity of the posterization effect. A lower number results in a more blocky appearance.
  * @returns {PosterizeNode}
  */
-export const posterize = /*@__PURE__*/ nodeProxy( PosterizeNode );
+export const posterize = /*@__PURE__*/ nodeProxy( PosterizeNode ).setParameterLength( 2 );

src/nodes/display/ViewportDepthNode.js

@@ -278,10 +278,10 @@ export const depth = /*@__PURE__*/ nodeImmutable( ViewportDepthNode, ViewportDep
  *
  * @tsl
  * @function
- * @param {Node<float>} value - The perspective depth.
+ * @param {?Node<float>} [value=null] - The perspective depth. If `null` is provided, the current fragment's depth is used.
  * @returns {ViewportDepthNode<float>}
  */
-export const linearDepth = /*@__PURE__*/ nodeProxy( ViewportDepthNode, ViewportDepthNode.LINEAR_DEPTH );
+export const linearDepth = /*@__PURE__*/ nodeProxy( ViewportDepthNode, ViewportDepthNode.LINEAR_DEPTH ).setParameterLength( 0, 1 );
 
 /**
  * TSL object that represents the linear (orthographic) depth value of the current fragment

src/nodes/display/ViewportDepthTextureNode.js

@@ -48,8 +48,8 @@ export default ViewportDepthTextureNode;
  *
  * @tsl
  * @function
- * @param {Node} [uvNode=screenUV] - The uv node.
+ * @param {?Node} [uvNode=screenUV] - The uv node.
  * @param {?Node} [levelNode=null] - The level node.
  * @returns {ViewportDepthTextureNode}
  */
-export const viewportDepthTexture = /*@__PURE__*/ nodeProxy( ViewportDepthTextureNode );
+export const viewportDepthTexture = /*@__PURE__*/ nodeProxy( ViewportDepthTextureNode ).setParameterLength( 0, 2 );

src/nodes/display/ViewportSharedTextureNode.js

@@ -54,8 +54,8 @@ export default ViewportSharedTextureNode;
  *
  * @tsl
  * @function
- * @param {Node} [uvNode=screenUV] - The uv node.
+ * @param {?Node} [uvNode=screenUV] - The uv node.
  * @param {?Node} [levelNode=null] - The level node.
  * @returns {ViewportSharedTextureNode}
  */
-export const viewportSharedTexture = /*@__PURE__*/ nodeProxy( ViewportSharedTextureNode );
+export const viewportSharedTexture = /*@__PURE__*/ nodeProxy( ViewportSharedTextureNode ).setParameterLength( 0, 2 );

src/nodes/display/ViewportTextureNode.js

@@ -118,21 +118,21 @@ export default ViewportTextureNode;
  *
  * @tsl
  * @function
- * @param {Node} [uvNode=screenUV] - The uv node.
+ * @param {?Node} [uvNode=screenUV] - The uv node.
  * @param {?Node} [levelNode=null] - The level node.
  * @param {?Texture} [framebufferTexture=null] - A framebuffer texture holding the viewport data. If not provided, a framebuffer texture is created automatically.
  * @returns {ViewportTextureNode}
  */
-export const viewportTexture = /*@__PURE__*/ nodeProxy( ViewportTextureNode );
+export const viewportTexture = /*@__PURE__*/ nodeProxy( ViewportTextureNode ).setParameterLength( 0, 3 );
 
 /**
  * TSL function for creating a viewport texture node with enabled mipmap generation.
  *
  * @tsl
  * @function
- * @param {Node} [uvNode=screenUV] - The uv node.
+ * @param {?Node} [uvNode=screenUV] - The uv node.
  * @param {?Node} [levelNode=null] - The level node.
  * @param {?Texture} [framebufferTexture=null] - A framebuffer texture holding the viewport data. If not provided, a framebuffer texture is created automatically.
  * @returns {ViewportTextureNode}
  */
-export const viewportMipTexture = /*@__PURE__*/ nodeProxy( ViewportTextureNode, null, null, { generateMipmaps: true } );
+export const viewportMipTexture = /*@__PURE__*/ nodeProxy( ViewportTextureNode, null, null, { generateMipmaps: true } ).setParameterLength( 0, 3 );

src/nodes/geometry/RangeNode.js

@@ -169,4 +169,4 @@ export default RangeNode;
  * @param {Node<any>} [maxNode=float()] - A node defining the upper bound of the range.
  * @returns {RangeNode}
  */
-export const range = /*@__PURE__*/ nodeProxy( RangeNode );
+export const range = /*@__PURE__*/ nodeProxy( RangeNode ).setParameterLength( 2 );

src/nodes/math/ConditionalNode.js

@@ -206,7 +206,7 @@ export default ConditionalNode;
  * @param {?Node} [elseNode=null] - The node that is evaluate when the condition ends up `false`.
  * @returns {ConditionalNode}
  */
-export const select = /*@__PURE__*/ nodeProxy( ConditionalNode );
+export const select = /*@__PURE__*/ nodeProxy( ConditionalNode ).setParameterLength( 2, 3 );
 
 addMethodChaining( 'select', select );
 

src/nodes/math/MathNode.js

@@ -398,7 +398,7 @@ export const PI2 = /*@__PURE__*/ float( Math.PI * 2 );
  * @param {Node | number} x - The parameter.
  * @returns {Node<bool>}
  */
-export const all = /*@__PURE__*/ nodeProxy( MathNode, MathNode.ALL );
+export const all = /*@__PURE__*/ nodeProxy( MathNode, MathNode.ALL ).setParameterLength( 1 );
 
 /**
  * Returns `true` if any components of `x` are `true`.
@@ -408,7 +408,7 @@ export const all = /*@__PURE__*/ nodeProxy( MathNode, MathNode.ALL );
  * @param {Node | number} x - The parameter.
  * @returns {Node<bool>}
  */
-export const any = /*@__PURE__*/ nodeProxy( MathNode, MathNode.ANY );
+export const any = /*@__PURE__*/ nodeProxy( MathNode, MathNode.ANY ).setParameterLength( 1 );
 
 /**
  * Converts a quantity in degrees to radians.
@@ -418,7 +418,7 @@ export const any = /*@__PURE__*/ nodeProxy( MathNode, MathNode.ANY );
  * @param {Node | number} x - The input in degrees.
  * @returns {Node}
  */
-export const radians = /*@__PURE__*/ nodeProxy( MathNode, MathNode.RADIANS );
+export const radians = /*@__PURE__*/ nodeProxy( MathNode, MathNode.RADIANS ).setParameterLength( 1 );
 
 /**
  * Convert a quantity in radians to degrees.
@@ -428,7 +428,7 @@ export const radians = /*@__PURE__*/ nodeProxy( MathNode, MathNode.RADIANS );
  * @param {Node | number} x - The input in radians.
  * @returns {Node}
  */
-export const degrees = /*@__PURE__*/ nodeProxy( MathNode, MathNode.DEGREES );
+export const degrees = /*@__PURE__*/ nodeProxy( MathNode, MathNode.DEGREES ).setParameterLength( 1 );
 
 /**
  * Returns the natural exponentiation of the parameter.
@@ -438,7 +438,7 @@ export const degrees = /*@__PURE__*/ nodeProxy( MathNode, MathNode.DEGREES );
  * @param {Node | number} x - The parameter.
  * @returns {Node}
  */
-export const exp = /*@__PURE__*/ nodeProxy( MathNode, MathNode.EXP );
+export const exp = /*@__PURE__*/ nodeProxy( MathNode, MathNode.EXP ).setParameterLength( 1 );
 
 /**
  * Returns 2 raised to the power of the parameter.
@@ -448,7 +448,7 @@ export const exp = /*@__PURE__*/ nodeProxy( MathNode, MathNode.EXP );
  * @param {Node | number} x - The parameter.
  * @returns {Node}
  */
-export const exp2 = /*@__PURE__*/ nodeProxy( MathNode, MathNode.EXP2 );
+export const exp2 = /*@__PURE__*/ nodeProxy( MathNode, MathNode.EXP2 ).setParameterLength( 1 );
 
 /**
  * Returns the natural logarithm of the parameter.
@@ -458,7 +458,7 @@ export const exp2 = /*@__PURE__*/ nodeProxy( MathNode, MathNode.EXP2 );
  * @param {Node | number} x - The parameter.
  * @returns {Node}
  */
-export const log = /*@__PURE__*/ nodeProxy( MathNode, MathNode.LOG );
+export const log = /*@__PURE__*/ nodeProxy( MathNode, MathNode.LOG ).setParameterLength( 1 );
 
 /**
  * Returns the base 2 logarithm of the parameter.
@@ -468,7 +468,7 @@ export const log = /*@__PURE__*/ nodeProxy( MathNode, MathNode.LOG );
  * @param {Node | number} x - The parameter.
  * @returns {Node}
  */
-export const log2 = /*@__PURE__*/ nodeProxy( MathNode, MathNode.LOG2 );
+export const log2 = /*@__PURE__*/ nodeProxy( MathNode, MathNode.LOG2 ).setParameterLength( 1 );
 
 /**
  * Returns the square root of the parameter.
@@ -478,7 +478,7 @@ export const log2 = /*@__PURE__*/ nodeProxy( MathNode, MathNode.LOG2 );
  * @param {Node | number} x - The parameter.
  * @returns {Node}
  */
-export const sqrt = /*@__PURE__*/ nodeProxy( MathNode, MathNode.SQRT );
+export const sqrt = /*@__PURE__*/ nodeProxy( MathNode, MathNode.SQRT ).setParameterLength( 1 );
 
 /**
  * Returns the inverse of the square root of the parameter.
@@ -488,7 +488,7 @@ export const sqrt = /*@__PURE__*/ nodeProxy( MathNode, MathNode.SQRT );
  * @param {Node | number} x - The parameter.
  * @returns {Node}
  */
-export const inverseSqrt = /*@__PURE__*/ nodeProxy( MathNode, MathNode.INVERSE_SQRT );
+export const inverseSqrt = /*@__PURE__*/ nodeProxy( MathNode, MathNode.INVERSE_SQRT ).setParameterLength( 1 );
 
 /**
  * Finds the nearest integer less than or equal to the parameter.
@@ -498,7 +498,7 @@ export const inverseSqrt = /*@__PURE__*/ nodeProxy( MathNode, MathNode.INVERSE_S
  * @param {Node | number} x - The parameter.
  * @returns {Node}
  */
-export const floor = /*@__PURE__*/ nodeProxy( MathNode, MathNode.FLOOR );
+export const floor = /*@__PURE__*/ nodeProxy( MathNode, MathNode.FLOOR ).setParameterLength( 1 );
 
 /**
  * Finds the nearest integer that is greater than or equal to the parameter.
@@ -508,7 +508,7 @@ export const floor = /*@__PURE__*/ nodeProxy( MathNode, MathNode.FLOOR );
  * @param {Node | number} x - The parameter.
  * @returns {Node}
  */
-export const ceil = /*@__PURE__*/ nodeProxy( MathNode, MathNode.CEIL );
+export const ceil = /*@__PURE__*/ nodeProxy( MathNode, MathNode.CEIL ).setParameterLength( 1 );
 
 /**
  * Calculates the unit vector in the same direction as the original vector.
@@ -518,7 +518,7 @@ export const ceil = /*@__PURE__*/ nodeProxy( MathNode, MathNode.CEIL );
  * @param {Node} x - The input vector.
  * @returns {Node}
  */
-export const normalize = /*@__PURE__*/ nodeProxy( MathNode, MathNode.NORMALIZE );
+export const normalize = /*@__PURE__*/ nodeProxy( MathNode, MathNode.NORMALIZE ).setParameterLength( 1 );
 
 /**
  * Computes the fractional part of the parameter.
@@ -528,7 +528,7 @@ export const normalize = /*@__PURE__*/ nodeProxy( MathNode, MathNode.NORMALIZE )
  * @param {Node | number} x - The parameter.
  * @returns {Node}
  */
-export const fract = /*@__PURE__*/ nodeProxy( MathNode, MathNode.FRACT );
+export const fract = /*@__PURE__*/ nodeProxy( MathNode, MathNode.FRACT ).setParameterLength( 1 );
 
 /**
  * Returns the sine of the parameter.
@@ -538,7 +538,7 @@ export const fract = /*@__PURE__*/ nodeProxy( MathNode, MathNode.FRACT );
  * @param {Node | number} x - The parameter.
  * @returns {Node}
  */
-export const sin = /*@__PURE__*/ nodeProxy( MathNode, MathNode.SIN );
+export const sin = /*@__PURE__*/ nodeProxy( MathNode, MathNode.SIN ).setParameterLength( 1 );
 
 /**
  * Returns the cosine of the parameter.
@@ -548,7 +548,7 @@ export const sin = /*@__PURE__*/ nodeProxy( MathNode, MathNode.SIN );
  * @param {Node | number} x - The parameter.
  * @returns {Node}
  */
-export const cos = /*@__PURE__*/ nodeProxy( MathNode, MathNode.COS );
+export const cos = /*@__PURE__*/ nodeProxy( MathNode, MathNode.COS ).setParameterLength( 1 );
 
 /**
  * Returns the tangent of the parameter.
@@ -558,7 +558,7 @@ export const cos = /*@__PURE__*/ nodeProxy( MathNode, MathNode.COS );
  * @param {Node | number} x - The parameter.
  * @returns {Node}
  */
-export const tan = /*@__PURE__*/ nodeProxy( MathNode, MathNode.TAN );
+export const tan = /*@__PURE__*/ nodeProxy( MathNode, MathNode.TAN ).setParameterLength( 1 );
 
 /**
  * Returns the arcsine of the parameter.
@@ -568,7 +568,7 @@ export const tan = /*@__PURE__*/ nodeProxy( MathNode, MathNode.TAN );
  * @param {Node | number} x - The parameter.
  * @returns {Node}
  */
-export const asin = /*@__PURE__*/ nodeProxy( MathNode, MathNode.ASIN );
+export const asin = /*@__PURE__*/ nodeProxy( MathNode, MathNode.ASIN ).setParameterLength( 1 );
 
 /**
  * Returns the arccosine of the parameter.
@@ -578,7 +578,7 @@ export const asin = /*@__PURE__*/ nodeProxy( MathNode, MathNode.ASIN );
  * @param {Node | number} x - The parameter.
  * @returns {Node}
  */
-export const acos = /*@__PURE__*/ nodeProxy( MathNode, MathNode.ACOS );
+export const acos = /*@__PURE__*/ nodeProxy( MathNode, MathNode.ACOS ).setParameterLength( 1 );
 
 /**
  * Returns the arc-tangent of the parameter.
@@ -590,7 +590,7 @@ export const acos = /*@__PURE__*/ nodeProxy( MathNode, MathNode.ACOS );
  * @param {?(Node | number)} x - The x parameter.
  * @returns {Node}
  */
-export const atan = /*@__PURE__*/ nodeProxy( MathNode, MathNode.ATAN );
+export const atan = /*@__PURE__*/ nodeProxy( MathNode, MathNode.ATAN ).setParameterLength( 1, 2 );
 
 /**
  * Returns the absolute value of the parameter.
@@ -600,7 +600,7 @@ export const atan = /*@__PURE__*/ nodeProxy( MathNode, MathNode.ATAN );
  * @param {Node | number} x - The parameter.
  * @returns {Node}
  */
-export const abs = /*@__PURE__*/ nodeProxy( MathNode, MathNode.ABS );
+export const abs = /*@__PURE__*/ nodeProxy( MathNode, MathNode.ABS ).setParameterLength( 1 );
 
 /**
  * Extracts the sign of the parameter.
@@ -610,7 +610,7 @@ export const abs = /*@__PURE__*/ nodeProxy( MathNode, MathNode.ABS );
  * @param {Node | number} x - The parameter.
  * @returns {Node}
  */
-export const sign = /*@__PURE__*/ nodeProxy( MathNode, MathNode.SIGN );
+export const sign = /*@__PURE__*/ nodeProxy( MathNode, MathNode.SIGN ).setParameterLength( 1 );
 
 /**
  * Calculates the length of a vector.
@@ -620,7 +620,7 @@ export const sign = /*@__PURE__*/ nodeProxy( MathNode, MathNode.SIGN );
  * @param {Node} x - The parameter.
  * @returns {Node<float>}
  */
-export const length = /*@__PURE__*/ nodeProxy( MathNode, MathNode.LENGTH );
+export const length = /*@__PURE__*/ nodeProxy( MathNode, MathNode.LENGTH ).setParameterLength( 1 );
 
 /**
  * Negates the value of the parameter (-x).
@@ -630,7 +630,7 @@ export const length = /*@__PURE__*/ nodeProxy( MathNode, MathNode.LENGTH );
  * @param {Node | number} x - The parameter.
  * @returns {Node}
  */
-export const negate = /*@__PURE__*/ nodeProxy( MathNode, MathNode.NEGATE );
+export const negate = /*@__PURE__*/ nodeProxy( MathNode, MathNode.NEGATE ).setParameterLength( 1 );
 
 /**
  * Return `1` minus the parameter.
@@ -640,7 +640,7 @@ export const negate = /*@__PURE__*/ nodeProxy( MathNode, MathNode.NEGATE );
  * @param {Node | number} x - The parameter.
  * @returns {Node}
  */
-export const oneMinus = /*@__PURE__*/ nodeProxy( MathNode, MathNode.ONE_MINUS );
+export const oneMinus = /*@__PURE__*/ nodeProxy( MathNode, MathNode.ONE_MINUS ).setParameterLength( 1 );
 
 /**
  * Returns the partial derivative of the parameter with respect to x.
@@ -650,7 +650,7 @@ export const oneMinus = /*@__PURE__*/ nodeProxy( MathNode, MathNode.ONE_MINUS );
  * @param {Node | number} x - The parameter.
  * @returns {Node}
  */
-export const dFdx = /*@__PURE__*/ nodeProxy( MathNode, MathNode.DFDX );
+export const dFdx = /*@__PURE__*/ nodeProxy( MathNode, MathNode.DFDX ).setParameterLength( 1 );
 
 /**
  * Returns the partial derivative of the parameter with respect to y.
@@ -660,7 +660,7 @@ export const dFdx = /*@__PURE__*/ nodeProxy( MathNode, MathNode.DFDX );
  * @param {Node | number} x - The parameter.
  * @returns {Node}
  */
-export const dFdy = /*@__PURE__*/ nodeProxy( MathNode, MathNode.DFDY );
+export const dFdy = /*@__PURE__*/ nodeProxy( MathNode, MathNode.DFDY ).setParameterLength( 1 );
 
 /**
  * Rounds the parameter to the nearest integer.
@@ -670,7 +670,7 @@ export const dFdy = /*@__PURE__*/ nodeProxy( MathNode, MathNode.DFDY );
  * @param {Node | number} x - The parameter.
  * @returns {Node}
  */
-export const round = /*@__PURE__*/ nodeProxy( MathNode, MathNode.ROUND );
+export const round = /*@__PURE__*/ nodeProxy( MathNode, MathNode.ROUND ).setParameterLength( 1 );
 
 /**
  * Returns the reciprocal of the parameter `(1/x)`.
@@ -680,7 +680,7 @@ export const round = /*@__PURE__*/ nodeProxy( MathNode, MathNode.ROUND );
  * @param {Node | number} x - The parameter.
  * @returns {Node}
  */
-export const reciprocal = /*@__PURE__*/ nodeProxy( MathNode, MathNode.RECIPROCAL );
+export const reciprocal = /*@__PURE__*/ nodeProxy( MathNode, MathNode.RECIPROCAL ).setParameterLength( 1 );
 
 /**
  * Truncates the parameter, removing the fractional part.
@@ -690,7 +690,7 @@ export const reciprocal = /*@__PURE__*/ nodeProxy( MathNode, MathNode.RECIPROCAL
  * @param {Node | number} x - The parameter.
  * @returns {Node}
  */
-export const trunc = /*@__PURE__*/ nodeProxy( MathNode, MathNode.TRUNC );
+export const trunc = /*@__PURE__*/ nodeProxy( MathNode, MathNode.TRUNC ).setParameterLength( 1 );
 
 /**
  * Returns the sum of the absolute derivatives in x and y.
@@ -700,7 +700,7 @@ export const trunc = /*@__PURE__*/ nodeProxy( MathNode, MathNode.TRUNC );
  * @param {Node | number} x - The parameter.
  * @returns {Node}
  */
-export const fwidth = /*@__PURE__*/ nodeProxy( MathNode, MathNode.FWIDTH );
+export const fwidth = /*@__PURE__*/ nodeProxy( MathNode, MathNode.FWIDTH ).setParameterLength( 1 );
 
 /**
  * Returns the transpose of a matrix.
@@ -710,7 +710,7 @@ export const fwidth = /*@__PURE__*/ nodeProxy( MathNode, MathNode.FWIDTH );
  * @param {Node<mat2|mat3|mat4>} x - The parameter.
  * @returns {Node}
  */
-export const transpose = /*@__PURE__*/ nodeProxy( MathNode, MathNode.TRANSPOSE );
+export const transpose = /*@__PURE__*/ nodeProxy( MathNode, MathNode.TRANSPOSE ).setParameterLength( 1 );
 
 // 2 inputs
 
@@ -723,7 +723,7 @@ export const transpose = /*@__PURE__*/ nodeProxy( MathNode, MathNode.TRANSPOSE )
  * @param {string} y - The new type.
  * @returns {Node}
  */
-export const bitcast = /*@__PURE__*/ nodeProxy( MathNode, MathNode.BITCAST );
+export const bitcast = /*@__PURE__*/ nodeProxy( MathNode, MathNode.BITCAST ).setParameterLength( 2 );
 
 /**
  * Returns `true` if `x` equals `y`.
@@ -750,7 +750,7 @@ export const equals = ( x, y ) => { // @deprecated, r172
  * @param {...(Node | number)} values - The values to compare.
  * @returns {Node}
  */
-export const min = /*@__PURE__*/ nodeProxy( MathNode, MathNode.MIN );
+export const min = /*@__PURE__*/ nodeProxy( MathNode, MathNode.MIN ).setParameterLength( 2, Infinity );
 
 /**
  * Returns the greatest of the given values.
@@ -760,7 +760,7 @@ export const min = /*@__PURE__*/ nodeProxy( MathNode, MathNode.MIN );
  * @param {...(Node | number)} values - The values to compare.
  * @returns {Node}
  */
-export const max = /*@__PURE__*/ nodeProxy( MathNode, MathNode.MAX );
+export const max = /*@__PURE__*/ nodeProxy( MathNode, MathNode.MAX ).setParameterLength( 2, Infinity );
 
 /**
  * Computes the remainder of dividing the first node by the second one.
@@ -771,7 +771,7 @@ export const max = /*@__PURE__*/ nodeProxy( MathNode, MathNode.MAX );
  * @param {Node | number} y - The x parameter.
  * @returns {Node}
  */
-export const mod = /*@__PURE__*/ nodeProxy( MathNode, MathNode.MOD );
+export const mod = /*@__PURE__*/ nodeProxy( MathNode, MathNode.MOD ).setParameterLength( 2 );
 
 /**
  * Generate a step function by comparing two values.
@@ -782,7 +782,7 @@ export const mod = /*@__PURE__*/ nodeProxy( MathNode, MathNode.MOD );
  * @param {Node | number} y - The x parameter.
  * @returns {Node}
  */
-export const step = /*@__PURE__*/ nodeProxy( MathNode, MathNode.STEP );
+export const step = /*@__PURE__*/ nodeProxy( MathNode, MathNode.STEP ).setParameterLength( 2 );
 
 /**
  * Calculates the reflection direction for an incident vector.
@@ -793,7 +793,7 @@ export const step = /*@__PURE__*/ nodeProxy( MathNode, MathNode.STEP );
  * @param {Node<vec2|vec3|vec4>} N - The normal vector.
  * @returns {Node<vec2|vec3|vec4>}
  */
-export const reflect = /*@__PURE__*/ nodeProxy( MathNode, MathNode.REFLECT );
+export const reflect = /*@__PURE__*/ nodeProxy( MathNode, MathNode.REFLECT ).setParameterLength( 2 );
 
 /**
  * Calculates the distance between two points.
@@ -804,7 +804,7 @@ export const reflect = /*@__PURE__*/ nodeProxy( MathNode, MathNode.REFLECT );
  * @param {Node<vec2|vec3|vec4>} y - The second point.
  * @returns {Node<float>}
  */
-export const distance = /*@__PURE__*/ nodeProxy( MathNode, MathNode.DISTANCE );
+export const distance = /*@__PURE__*/ nodeProxy( MathNode, MathNode.DISTANCE ).setParameterLength( 2 );
 
 /**
  * Calculates the absolute difference between two values.
@@ -815,7 +815,7 @@ export const distance = /*@__PURE__*/ nodeProxy( MathNode, MathNode.DISTANCE );
  * @param {Node | number} y - The second parameter.
  * @returns {Node}
  */
-export const difference = /*@__PURE__*/ nodeProxy( MathNode, MathNode.DIFFERENCE );
+export const difference = /*@__PURE__*/ nodeProxy( MathNode, MathNode.DIFFERENCE ).setParameterLength( 2 );
 
 /**
  * Calculates the dot product of two vectors.
@@ -826,7 +826,7 @@ export const difference = /*@__PURE__*/ nodeProxy( MathNode, MathNode.DIFFERENCE
  * @param {Node<vec2|vec3|vec4>} y - The second vector.
  * @returns {Node<float>}
  */
-export const dot = /*@__PURE__*/ nodeProxy( MathNode, MathNode.DOT );
+export const dot = /*@__PURE__*/ nodeProxy( MathNode, MathNode.DOT ).setParameterLength( 2 );
 
 /**
  * Calculates the cross product of two vectors.
@@ -837,7 +837,7 @@ export const dot = /*@__PURE__*/ nodeProxy( MathNode, MathNode.DOT );
  * @param {Node<vec2|vec3|vec4>} y - The second vector.
  * @returns {Node<vec2|vec3|vec4>}
  */
-export const cross = /*@__PURE__*/ nodeProxy( MathNode, MathNode.CROSS );
+export const cross = /*@__PURE__*/ nodeProxy( MathNode, MathNode.CROSS ).setParameterLength( 2 );
 
 /**
  * Return the value of the first parameter raised to the power of the second one.
@@ -848,7 +848,7 @@ export const cross = /*@__PURE__*/ nodeProxy( MathNode, MathNode.CROSS );
  * @param {Node | number} y - The second parameter.
  * @returns {Node}
  */
-export const pow = /*@__PURE__*/ nodeProxy( MathNode, MathNode.POW );
+export const pow = /*@__PURE__*/ nodeProxy( MathNode, MathNode.POW ).setParameterLength( 2 );
 
 /**
  * Returns the square of the parameter.
@@ -858,7 +858,7 @@ export const pow = /*@__PURE__*/ nodeProxy( MathNode, MathNode.POW );
  * @param {Node | number} x - The first parameter.
  * @returns {Node}
  */
-export const pow2 = /*@__PURE__*/ nodeProxy( MathNode, MathNode.POW, 2 );
+export const pow2 = /*@__PURE__*/ nodeProxy( MathNode, MathNode.POW, 2 ).setParameterLength( 1 );
 
 /**
  * Returns the cube of the parameter.
@@ -868,7 +868,7 @@ export const pow2 = /*@__PURE__*/ nodeProxy( MathNode, MathNode.POW, 2 );
  * @param {Node | number} x - The first parameter.
  * @returns {Node}
  */
-export const pow3 = /*@__PURE__*/ nodeProxy( MathNode, MathNode.POW, 3 );
+export const pow3 = /*@__PURE__*/ nodeProxy( MathNode, MathNode.POW, 3 ).setParameterLength( 1 );
 
 /**
  * Returns the fourth power of the parameter.
@@ -878,7 +878,7 @@ export const pow3 = /*@__PURE__*/ nodeProxy( MathNode, MathNode.POW, 3 );
  * @param {Node | number} x - The first parameter.
  * @returns {Node}
  */
-export const pow4 = /*@__PURE__*/ nodeProxy( MathNode, MathNode.POW, 4 );
+export const pow4 = /*@__PURE__*/ nodeProxy( MathNode, MathNode.POW, 4 ).setParameterLength( 1 );
 
 /**
  * Transforms the direction of a vector by a matrix and then normalizes the result.
@@ -889,7 +889,7 @@ export const pow4 = /*@__PURE__*/ nodeProxy( MathNode, MathNode.POW, 4 );
  * @param {Node<mat2|mat3|mat4>} matrix - The transformation matrix.
  * @returns {Node}
  */
-export const transformDirection = /*@__PURE__*/ nodeProxy( MathNode, MathNode.TRANSFORM_DIRECTION );
+export const transformDirection = /*@__PURE__*/ nodeProxy( MathNode, MathNode.TRANSFORM_DIRECTION ).setParameterLength( 2 );
 
 /**
  * Returns the cube root of a number.
@@ -921,7 +921,7 @@ export const lengthSq = ( a ) => dot( a, a );
  * @param {Node | number} t - The interpolation value.
  * @returns {Node}
  */
-export const mix = /*@__PURE__*/ nodeProxy( MathNode, MathNode.MIX );
+export const mix = /*@__PURE__*/ nodeProxy( MathNode, MathNode.MIX ).setParameterLength( 3 );
 
 /**
  * Constrains a value to lie between two further values.
@@ -955,7 +955,7 @@ export const saturate = ( value ) => clamp( value );
  * @param {Node<float>} eta - The ratio of indices of refraction.
  * @returns {Node<vec2|vec3|vec4>}
  */
-export const refract = /*@__PURE__*/ nodeProxy( MathNode, MathNode.REFRACT );
+export const refract = /*@__PURE__*/ nodeProxy( MathNode, MathNode.REFRACT ).setParameterLength( 3 );
 
 /**
  * Performs a Hermite interpolation between two values.
@@ -967,7 +967,7 @@ export const refract = /*@__PURE__*/ nodeProxy( MathNode, MathNode.REFRACT );
  * @param {Node | number} x - The source value for interpolation.
  * @returns {Node}
  */
-export const smoothstep = /*@__PURE__*/ nodeProxy( MathNode, MathNode.SMOOTHSTEP );
+export const smoothstep = /*@__PURE__*/ nodeProxy( MathNode, MathNode.SMOOTHSTEP ).setParameterLength( 3 );
 
 /**
  * Returns a vector pointing in the same direction as another.
@@ -979,7 +979,7 @@ export const smoothstep = /*@__PURE__*/ nodeProxy( MathNode, MathNode.SMOOTHSTEP
  * @param {Node<vec2|vec3|vec4>} Nref - The reference vector.
  * @returns {Node<vec2|vec3|vec4>}
  */
-export const faceForward = /*@__PURE__*/ nodeProxy( MathNode, MathNode.FACEFORWARD );
+export const faceForward = /*@__PURE__*/ nodeProxy( MathNode, MathNode.FACEFORWARD ).setParameterLength( 3 );
 
 /**
  * Returns a random value for the given uv.

src/nodes/math/OperatorNode.js

@@ -434,7 +434,7 @@ export default OperatorNode;
  * @param {...Node} params - Additional input parameters.
  * @returns {OperatorNode}
  */
-export const add = /*@__PURE__*/ nodeProxy( OperatorNode, '+' );
+export const add = /*@__PURE__*/ nodeProxy( OperatorNode, '+' ).setParameterLength( 2, Infinity ).setName( 'add' );
 
 /**
  * Returns the subtraction of two or more value.
@@ -446,7 +446,7 @@ export const add = /*@__PURE__*/ nodeProxy( OperatorNode, '+' );
  * @param {...Node} params - Additional input parameters.
  * @returns {OperatorNode}
  */
-export const sub = /*@__PURE__*/ nodeProxy( OperatorNode, '-' );
+export const sub = /*@__PURE__*/ nodeProxy( OperatorNode, '-' ).setParameterLength( 2, Infinity ).setName( 'sub' );
 
 /**
  * Returns the multiplication of two or more value.
@@ -458,7 +458,7 @@ export const sub = /*@__PURE__*/ nodeProxy( OperatorNode, '-' );
  * @param {...Node} params - Additional input parameters.
  * @returns {OperatorNode}
  */
-export const mul = /*@__PURE__*/ nodeProxy( OperatorNode, '*' );
+export const mul = /*@__PURE__*/ nodeProxy( OperatorNode, '*' ).setParameterLength( 2, Infinity ).setName( 'mul' );
 
 /**
  * Returns the division of two or more value.
@@ -470,7 +470,7 @@ export const mul = /*@__PURE__*/ nodeProxy( OperatorNode, '*' );
  * @param {...Node} params - Additional input parameters.
  * @returns {OperatorNode}
  */
-export const div = /*@__PURE__*/ nodeProxy( OperatorNode, '/' );
+export const div = /*@__PURE__*/ nodeProxy( OperatorNode, '/' ).setParameterLength( 2, Infinity ).setName( 'div' );
 
 /**
  * Computes the remainder of dividing the first node by the second, for integer values.
@@ -481,7 +481,7 @@ export const div = /*@__PURE__*/ nodeProxy( OperatorNode, '/' );
  * @param {Node} bNode - The second input.
  * @returns {OperatorNode}
  */
-export const modInt = /*@__PURE__*/ nodeProxy( OperatorNode, '%' );
+export const modInt = /*@__PURE__*/ nodeProxy( OperatorNode, '%' ).setParameterLength( 2 ).setName( 'modInt' );
 
 /**
  * Checks if two nodes are equal.
@@ -492,7 +492,7 @@ export const modInt = /*@__PURE__*/ nodeProxy( OperatorNode, '%' );
  * @param {Node} bNode - The second input.
  * @returns {OperatorNode}
  */
-export const equal = /*@__PURE__*/ nodeProxy( OperatorNode, '==' );
+export const equal = /*@__PURE__*/ nodeProxy( OperatorNode, '==' ).setParameterLength( 2 ).setName( 'equal' );
 
 /**
  * Checks if two nodes are not equal.
@@ -503,7 +503,7 @@ export const equal = /*@__PURE__*/ nodeProxy( OperatorNode, '==' );
  * @param {Node} bNode - The second input.
  * @returns {OperatorNode}
  */
-export const notEqual = /*@__PURE__*/ nodeProxy( OperatorNode, '!=' );
+export const notEqual = /*@__PURE__*/ nodeProxy( OperatorNode, '!=' ).setParameterLength( 2 ).setName( 'notEqual' );
 
 /**
  * Checks if the first node is less than the second.
@@ -514,7 +514,7 @@ export const notEqual = /*@__PURE__*/ nodeProxy( OperatorNode, '!=' );
  * @param {Node} bNode - The second input.
  * @returns {OperatorNode}
  */
-export const lessThan = /*@__PURE__*/ nodeProxy( OperatorNode, '<' );
+export const lessThan = /*@__PURE__*/ nodeProxy( OperatorNode, '<' ).setParameterLength( 2 ).setName( 'lessThan' );
 
 /**
  * Checks if the first node is greater than the second.
@@ -525,7 +525,7 @@ export const lessThan = /*@__PURE__*/ nodeProxy( OperatorNode, '<' );
  * @param {Node} bNode - The second input.
  * @returns {OperatorNode}
  */
-export const greaterThan = /*@__PURE__*/ nodeProxy( OperatorNode, '>' );
+export const greaterThan = /*@__PURE__*/ nodeProxy( OperatorNode, '>' ).setParameterLength( 2 ).setName( 'greaterThan' );
 
 /**
  * Checks if the first node is less than or equal to the second.
@@ -536,7 +536,7 @@ export const greaterThan = /*@__PURE__*/ nodeProxy( OperatorNode, '>' );
  * @param {Node} bNode - The second input.
  * @returns {OperatorNode}
  */
-export const lessThanEqual = /*@__PURE__*/ nodeProxy( OperatorNode, '<=' );
+export const lessThanEqual = /*@__PURE__*/ nodeProxy( OperatorNode, '<=' ).setParameterLength( 2 ).setName( 'lessThanEqual' );
 
 /**
  * Checks if the first node is greater than or equal to the second.
@@ -547,40 +547,37 @@ export const lessThanEqual = /*@__PURE__*/ nodeProxy( OperatorNode, '<=' );
  * @param {Node} bNode - The second input.
  * @returns {OperatorNode}
  */
-export const greaterThanEqual = /*@__PURE__*/ nodeProxy( OperatorNode, '>=' );
+export const greaterThanEqual = /*@__PURE__*/ nodeProxy( OperatorNode, '>=' ).setParameterLength( 2 ).setName( 'greaterThanEqual' );
 
 /**
- * Performs logical AND on two nodes.
+ * Performs a logical AND operation on multiple nodes.
  *
  * @tsl
  * @function
- * @param {Node} aNode - The first input.
- * @param {Node} bNode - The second input.
+ * @param {...Node} nodes - The input nodes to be combined using AND.
  * @returns {OperatorNode}
  */
-export const and = /*@__PURE__*/ nodeProxy( OperatorNode, '&&' );
+export const and = /*@__PURE__*/ nodeProxy( OperatorNode, '&&' ).setParameterLength( 2, Infinity ).setName( 'and' );
 
 /**
- * Performs logical OR on two nodes.
+ * Performs a logical OR operation on multiple nodes.
  *
  * @tsl
  * @function
- * @param {Node} aNode - The first input.
- * @param {Node} bNode - The second input.
+ * @param {...Node} nodes - The input nodes to be combined using OR.
  * @returns {OperatorNode}
  */
-export const or = /*@__PURE__*/ nodeProxy( OperatorNode, '||' );
+export const or = /*@__PURE__*/ nodeProxy( OperatorNode, '||' ).setParameterLength( 2, Infinity ).setName( 'or' );
 
 /**
  * Performs logical NOT on a node.
  *
  * @tsl
  * @function
- * @param {Node} aNode - The first input.
- * @param {Node} bNode - The second input.
+ * @param {Node} value - The value.
  * @returns {OperatorNode}
  */
-export const not = /*@__PURE__*/ nodeProxy( OperatorNode, '!' );
+export const not = /*@__PURE__*/ nodeProxy( OperatorNode, '!' ).setParameterLength( 1 ).setName( 'not' );
 
 /**
  * Performs logical XOR on two nodes.
@@ -591,7 +588,7 @@ export const not = /*@__PURE__*/ nodeProxy( OperatorNode, '!' );
  * @param {Node} bNode - The second input.
  * @returns {OperatorNode}
  */
-export const xor = /*@__PURE__*/ nodeProxy( OperatorNode, '^^' );
+export const xor = /*@__PURE__*/ nodeProxy( OperatorNode, '^^' ).setParameterLength( 2 ).setName( 'xor' );
 
 /**
  * Performs bitwise AND on two nodes.
@@ -602,7 +599,7 @@ export const xor = /*@__PURE__*/ nodeProxy( OperatorNode, '^^' );
  * @param {Node} bNode - The second input.
  * @returns {OperatorNode}
  */
-export const bitAnd = /*@__PURE__*/ nodeProxy( OperatorNode, '&' );
+export const bitAnd = /*@__PURE__*/ nodeProxy( OperatorNode, '&' ).setParameterLength( 2 ).setName( 'bitAnd' );
 
 /**
  * Performs bitwise NOT on a node.
@@ -613,7 +610,7 @@ export const bitAnd = /*@__PURE__*/ nodeProxy( OperatorNode, '&' );
  * @param {Node} bNode - The second input.
  * @returns {OperatorNode}
  */
-export const bitNot = /*@__PURE__*/ nodeProxy( OperatorNode, '~' );
+export const bitNot = /*@__PURE__*/ nodeProxy( OperatorNode, '~' ).setParameterLength( 2 ).setName( 'bitNot' );
 
 /**
  * Performs bitwise OR on two nodes.
@@ -624,7 +621,7 @@ export const bitNot = /*@__PURE__*/ nodeProxy( OperatorNode, '~' );
  * @param {Node} bNode - The second input.
  * @returns {OperatorNode}
  */
-export const bitOr = /*@__PURE__*/ nodeProxy( OperatorNode, '|' );
+export const bitOr = /*@__PURE__*/ nodeProxy( OperatorNode, '|' ).setParameterLength( 2 ).setName( 'bitOr' );
 
 /**
  * Performs bitwise XOR on two nodes.
@@ -635,7 +632,7 @@ export const bitOr = /*@__PURE__*/ nodeProxy( OperatorNode, '|' );
  * @param {Node} bNode - The second input.
  * @returns {OperatorNode}
  */
-export const bitXor = /*@__PURE__*/ nodeProxy( OperatorNode, '^' );
+export const bitXor = /*@__PURE__*/ nodeProxy( OperatorNode, '^' ).setParameterLength( 2 ).setName( 'bitXor' );
 
 /**
  * Shifts a node to the left.
@@ -646,7 +643,7 @@ export const bitXor = /*@__PURE__*/ nodeProxy( OperatorNode, '^' );
  * @param {Node} bNode - The value to shift.
  * @returns {OperatorNode}
  */
-export const shiftLeft = /*@__PURE__*/ nodeProxy( OperatorNode, '<<' );
+export const shiftLeft = /*@__PURE__*/ nodeProxy( OperatorNode, '<<' ).setParameterLength( 2 ).setName( 'shiftLeft' );
 
 /**
  * Shifts a node to the right.
@@ -657,7 +654,7 @@ export const shiftLeft = /*@__PURE__*/ nodeProxy( OperatorNode, '<<' );
  * @param {Node} bNode - The value to shift.
  * @returns {OperatorNode}
  */
-export const shiftRight = /*@__PURE__*/ nodeProxy( OperatorNode, '>>' );
+export const shiftRight = /*@__PURE__*/ nodeProxy( OperatorNode, '>>' ).setParameterLength( 2 ).setName( 'shiftRight' );
 
 addMethodChaining( 'add', add );
 addMethodChaining( 'sub', sub );

src/nodes/pmrem/PMREMNode.js

@@ -390,8 +390,8 @@ function isEquirectangularMapReady( image ) {
  * @tsl
  * @function
  * @param {Texture} value - The input texture.
- * @param {Node<vec2>} [uvNode=null] - The uv node.
- * @param {Node<float>} [levelNode=null] - The level node.
+ * @param {?Node<vec2>} [uvNode=null] - The uv node.
+ * @param {?Node<float>} [levelNode=null] - The level node.
  * @returns {PMREMNode}
  */
-export const pmremTexture = /*@__PURE__*/ nodeProxy( PMREMNode );
+export const pmremTexture = /*@__PURE__*/ nodeProxy( PMREMNode ).setParameterLength( 1, 3 );

src/nodes/tsl/TSLCore.js

@@ -213,11 +213,38 @@ const ShaderNodeProxy = function ( NodeClass, scope = null, factor = null, setti
 
 	const assignNode = ( node ) => nodeObject( settings !== null ? Object.assign( node, settings ) : node );
 
+	let fn, name = scope, minParams, maxParams;
+
+	function verifyParamsLimit( params ) {
+
+		let tslName;
+
+		if ( name ) tslName = /[a-z]/i.test( name ) ? name + '()' : name;
+		else name = NodeClass.type;
+
+		if ( minParams !== undefined && params.length < minParams ) {
+
+			console.warn( `THREE.TSL: "${ tslName }" parameter length is less than minimum required.` );
+
+			return params.concat( new Array( minParams - params.length ).fill( 0 ) );
+
+		} else if ( maxParams !== undefined && params.length > maxParams ) {
+
+			console.warn( `THREE.TSL: "${ tslName }" parameter length exceeds limit.` );
+
+			return params.slice( 0, maxParams );
+
+		}
+
+		return params;
+
+	}
+
 	if ( scope === null ) {
 
-		return ( ...params ) => {
+		fn = ( ...params ) => {
 
-			return assignNode( new NodeClass( ...nodeArray( params ) ) );
+			return assignNode( new NodeClass( ...nodeArray( verifyParamsLimit( params ) ) ) );
 
 		};
 
@@ -225,22 +252,41 @@ const ShaderNodeProxy = function ( NodeClass, scope = null, factor = null, setti
 
 		factor = nodeObject( factor );
 
-		return ( ...params ) => {
+		fn = ( ...params ) => {
 
-			return assignNode( new NodeClass( scope, ...nodeArray( params ), factor ) );
+			return assignNode( new NodeClass( scope, ...nodeArray( verifyParamsLimit( params ) ), factor ) );
 
 		};
 
 	} else {
 
-		return ( ...params ) => {
+		fn = ( ...params ) => {
 
-			return assignNode( new NodeClass( scope, ...nodeArray( params ) ) );
+			return assignNode( new NodeClass( scope, ...nodeArray( verifyParamsLimit( params ) ) ) );
 
 		};
 
 	}
 
+	fn.setParameterLength = ( ...params ) => {
+
+		if ( params.length === 1 ) minParams = maxParams = params[ 0 ];
+		else if ( params.length === 2 ) [ minParams, maxParams ] = params;
+
+		return fn;
+
+	};
+
+	fn.setName = ( value ) => {
+
+		name = value;
+
+		return fn;
+
+	};
+
+	return fn;
+
 };
 
 const ShaderNodeImmutable = function ( NodeClass, ...params ) {
@@ -667,7 +713,7 @@ addMethodChaining( 'toMat4', mat4 );
 
 // basic nodes
 
-export const element = /*@__PURE__*/ nodeProxy( ArrayElementNode );
+export const element = /*@__PURE__*/ nodeProxy( ArrayElementNode ).setParameterLength( 2 );
 export const convert = ( node, types ) => nodeObject( new ConvertNode( nodeObject( node ), types ) );
 export const split = ( node, channels ) => nodeObject( new SplitNode( nodeObject( node ), channels ) );
 

src/nodes/utils/CubeMapNode.js

@@ -53,7 +53,7 @@ class CubeMapNode extends TempNode {
 		 * @private
 		 * @type {CubeTextureNode}
 		 */
-		this._cubeTextureNode = cubeTexture();
+		this._cubeTextureNode = cubeTexture( null );
 
 		const defaultTexture = new CubeTexture();
 		defaultTexture.isRenderTargetTexture = true;
@@ -234,4 +234,4 @@ function mapTextureMapping( texture, mapping ) {
  * @param {Node} envNode - The node representing the environment map.
  * @returns {CubeMapNode}
  */
-export const cubeMapNode = /*@__PURE__*/ nodeProxy( CubeMapNode );
+export const cubeMapNode = /*@__PURE__*/ nodeProxy( CubeMapNode ).setParameterLength( 1 );

src/nodes/utils/EquirectUVNode.js

@@ -59,7 +59,7 @@ export default EquirectUVNode;
  *
  * @tsl
  * @function
- * @param {Node<vec3>} [dirNode=positionWorldDirection] - A direction vector for sampling which is by default `positionWorldDirection`.
+ * @param {?Node<vec3>} [dirNode=positionWorldDirection] - A direction vector for sampling which is by default `positionWorldDirection`.
  * @returns {EquirectUVNode}
  */
-export const equirectUV = /*@__PURE__*/ nodeProxy( EquirectUVNode );
+export const equirectUV = /*@__PURE__*/ nodeProxy( EquirectUVNode ).setParameterLength( 0, 1 );

src/nodes/utils/MaxMipLevelNode.js

@@ -100,4 +100,4 @@ export default MaxMipLevelNode;
  * @param {TextureNode} textureNode - The texture node to compute the max mip level for.
  * @returns {MaxMipLevelNode}
  */
-export const maxMipLevel = /*@__PURE__*/ nodeProxy( MaxMipLevelNode );
+export const maxMipLevel = /*@__PURE__*/ nodeProxy( MaxMipLevelNode ).setParameterLength( 1 );

src/nodes/utils/RemapNode.js

@@ -101,11 +101,11 @@ export default RemapNode;
  * @param {Node} node - The node that should be remapped.
  * @param {Node} inLowNode - The source or current lower bound of the range.
  * @param {Node} inHighNode - The source or current upper bound of the range.
- * @param {Node} [outLowNode=float(0)] - The target lower bound of the range.
- * @param {Node} [outHighNode=float(1)] - The target upper bound of the range.
+ * @param {?Node} [outLowNode=float(0)] - The target lower bound of the range.
+ * @param {?Node} [outHighNode=float(1)] - The target upper bound of the range.
  * @returns {RemapNode}
  */
-export const remap = /*@__PURE__*/ nodeProxy( RemapNode, null, null, { doClamp: false } );
+export const remap = /*@__PURE__*/ nodeProxy( RemapNode, null, null, { doClamp: false } ).setParameterLength( 3, 5 );
 
 /**
  * TSL function for creating a remap node, but with enabled clamping.
@@ -115,11 +115,11 @@ export const remap = /*@__PURE__*/ nodeProxy( RemapNode, null, null, { doClamp:
  * @param {Node} node - The node that should be remapped.
  * @param {Node} inLowNode - The source or current lower bound of the range.
  * @param {Node} inHighNode - The source or current upper bound of the range.
- * @param {Node} [outLowNode=float(0)] - The target lower bound of the range.
- * @param {Node} [outHighNode=float(1)] - The target upper bound of the range.
+ * @param {?Node} [outLowNode=float(0)] - The target lower bound of the range.
+ * @param {?Node} [outHighNode=float(1)] - The target upper bound of the range.
  * @returns {RemapNode}
  */
-export const remapClamp = /*@__PURE__*/ nodeProxy( RemapNode );
+export const remapClamp = /*@__PURE__*/ nodeProxy( RemapNode ).setParameterLength( 3, 5 );
 
 addMethodChaining( 'remap', remap );
 addMethodChaining( 'remapClamp', remapClamp );

src/nodes/utils/RotateNode.js

@@ -100,4 +100,4 @@ export default RotateNode;
  * on whether the position data are 2D or 3D, the rotation is expressed a single float value or an Euler value.
  * @returns {RotateNode}
  */
-export const rotate = /*@__PURE__*/ nodeProxy( RotateNode );
+export const rotate = /*@__PURE__*/ nodeProxy( RotateNode ).setParameterLength( 2 );

src/nodes/utils/SpriteSheetUVNode.js

@@ -83,8 +83,8 @@ export default SpriteSheetUVNode;
  * @tsl
  * @function
  * @param {Node<vec2>} countNode - The node that defines the number of sprites in the x and y direction (e.g 6x6).
- * @param {Node<vec2>} [uvNode=uv()] - The uv node.
- * @param {Node<float>} [frameNode=float()] - The node that defines the current frame/sprite.
+ * @param {?Node<vec2>} [uvNode=uv()] - The uv node.
+ * @param {?Node<float>} [frameNode=float()] - The node that defines the current frame/sprite.
  * @returns {SpriteSheetUVNode}
  */
-export const spritesheetUV = /*@__PURE__*/ nodeProxy( SpriteSheetUVNode );
+export const spritesheetUV = /*@__PURE__*/ nodeProxy( SpriteSheetUVNode ).setParameterLength( 3 );

src/nodes/utils/StorageArrayElementNode.js

@@ -140,4 +140,4 @@ export default StorageArrayElementNode;
  * @param {Node} indexNode - The index node that defines the element access.
  * @returns {StorageArrayElementNode}
  */
-export const storageElement = /*@__PURE__*/ nodeProxy( StorageArrayElementNode );
+export const storageElement = /*@__PURE__*/ nodeProxy( StorageArrayElementNode ).setParameterLength( 2 );

src/nodes/utils/TriplanarTexturesNode.js

@@ -130,7 +130,7 @@ export default TriplanarTexturesNode;
  * @param {?Node<vec3>} [normalNode=normalLocal] - Normals in local space.
  * @returns {TriplanarTexturesNode}
  */
-export const triplanarTextures = /*@__PURE__*/ nodeProxy( TriplanarTexturesNode );
+export const triplanarTextures = /*@__PURE__*/ nodeProxy( TriplanarTexturesNode ).setParameterLength( 1, 6 );
 
 /**
  * TSL function for creating a triplanar textures node.