three.js/examples/jsm/renderers/nodes/core/constants.js

export const NodeShaderStage = {
	Vertex: 'vertex',
	Fragment: 'fragment'
};

export const NodeUpdateType = {
	None: 'none',
	Frame: 'frame',
	Object: 'object'
};

export const NodeType = {
	Float: 'float',
	Vector2: 'vec2',
	Vector3: 'vec3',
	Vector4: 'vec4',
	Matrix3: 'mat3',
	Matrix4: 'mat4'
};