three.js/src/renderers/shaders/ShaderLib/meshlambert_vert.glsl.js

export default /* glsl */`
#define LAMBERT

varying vec3 vLightFront;
varying vec3 vIndirectFront;

#ifdef DOUBLE_SIDED
	varying vec3 vLightBack;
	varying vec3 vIndirectBack;
#endif

#include <common>
#include <uv_pars_vertex>
#include <uv2_pars_vertex>
#include <envmap_pars_vertex>
#include <bsdfs>
#include <lights_pars_begin>
#include <color_pars_vertex>
#include <fog_pars_vertex>
#include <morphtarget_pars_vertex>
#include <skinning_pars_vertex>
#include <shadowmap_pars_vertex>
#include <logdepthbuf_pars_vertex>
#include <clipping_planes_pars_vertex>

void main() {

	#include <uv_vertex>
	#include <uv2_vertex>
	#include <color_vertex>

	#include <beginnormal_vertex>
	#include <morphnormal_vertex>
	#include <skinbase_vertex>
	#include <skinnormal_vertex>
	#include <defaultnormal_vertex>

	#include <begin_vertex>
	#include <morphtarget_vertex>
	#include <skinning_vertex>
	#include <project_vertex>
	#include <logdepthbuf_vertex>
	#include <clipping_planes_vertex>

	#include <worldpos_vertex>
	#include <envmap_vertex>
	#include <lights_lambert_vertex>
	#include <shadowmap_vertex>
	#include <fog_vertex>
}
`;