refactor: convert string enums to const objects with type extraction

packages/core/src/EngineEventType.ts

@@ -1,13 +1,15 @@
 /**
  * Engine event type.
  */
-export enum EngineEventType {
+export const EngineEventType = {
   /** Dispatched when the engine starts running. */
-  Run = "run",
+  Run: "run",
   /** Dispatched when the engine shuts down. */
-  Shutdown = "shutdown",
+  Shutdown: "shutdown",
   /** Dispatched when the graphic device is lost. */
-  DeviceLost = "devicelost",
+  DeviceLost: "devicelost",
   /** Dispatched when the graphic device is restored. */
-  DeviceRestored = "devicerestored"
-}
+  DeviceRestored: "devicerestored"
+} as const;
+
+export type EngineEventType = (typeof EngineEventType)[keyof typeof EngineEventType];

packages/core/src/RenderPipeline/enums/PipelineStage.ts

@@ -1,11 +1,13 @@
 /**
  * Pipeline stage.
  */
-export enum PipelineStage {
+export const PipelineStage = {
   /** DepthOnly stage. */
-  DepthOnly = "DepthOnly",
+  DepthOnly: "DepthOnly",
   /** Shadow caster stage. */
-  ShadowCaster = "ShadowCaster",
+  ShadowCaster: "ShadowCaster",
   /** Forward shading stage. */
-  Forward = "Forward"
-}
+  Forward: "Forward"
+} as const;
+
+export type PipelineStage = (typeof PipelineStage)[keyof typeof PipelineStage];

packages/core/src/asset/AssetType.ts

@@ -1,55 +1,57 @@
 /**
  * Asset Type.
  */
-export enum AssetType {
+export const AssetType = {
   /** Plain text. */
-  Text = "Text",
+  Text: "Text",
   /** JSON. */
-  JSON = "JSON",
+  JSON: "JSON",
   /** ArrayBuffer. */
-  Buffer = "Buffer",
+  Buffer: "Buffer",
   /** Texture. */
-  Texture = "Texture",
+  Texture: "Texture",
   /** Material. */
-  Material = "Material",
+  Material: "Material",
   /** Shader. */
-  Shader = "Shader",
+  Shader: "Shader",
   /** Mesh. */
-  Mesh = "Mesh",
+  Mesh: "Mesh",
   /** AnimationClip. */
-  AnimationClip = "AnimationClip",
+  AnimationClip: "AnimationClip",
   /** AnimatorController. */
-  AnimatorController = "AnimatorController",
+  AnimatorController: "AnimatorController",
   /** Prefab.*/
-  Prefab = "Prefab",
+  Prefab: "Prefab",
   /** GLTF.*/
-  GLTF = "GLTF",
+  GLTF: "GLTF",
   /** Compress Texture. */
-  KTX = "KTX",
+  KTX: "KTX",
   /** Cube Compress Texture. */
-  KTXCube = "KTXCube",
+  KTXCube: "KTXCube",
   /** KTX2 Compress Texture */
-  KTX2 = "KTX2",
+  KTX2: "KTX2",
   /** Sprite. */
-  Sprite = "Sprite",
+  Sprite: "Sprite",
   /** PrimitiveMesh. */
-  PrimitiveMesh = "PrimitiveMesh",
+  PrimitiveMesh: "PrimitiveMesh",
   /** Sprite Atlas. */
-  SpriteAtlas = "SpriteAtlas",
+  SpriteAtlas: "SpriteAtlas",
   /** Ambient light. */
-  AmbientLight = "AmbientLight",
+  AmbientLight: "AmbientLight",
   /** Scene. */
-  Scene = "Scene",
+  Scene: "Scene",
   /** Font. */
-  Font = "Font",
+  Font: "Font",
   /** Source Font, include ttf, otf and woff. */
-  SourceFont = "SourceFont",
+  SourceFont: "SourceFont",
   /** AudioClip, include ogg, wav, mp3, m4a, aac and flac. */
-  Audio = "Audio",
+  Audio: "Audio",
   /** Project asset. */
-  Project = "project",
+  Project: "project",
   /** PhysicsMaterial. */
-  PhysicsMaterial = "PhysicsMaterial",
+  PhysicsMaterial: "PhysicsMaterial",
   /** RenderTarget. */
-  RenderTarget = "RenderTarget"
-}
+  RenderTarget: "RenderTarget"
+} as const;
+
+export type AssetType = (typeof AssetType)[keyof typeof AssetType];

packages/core/src/base/Constant.ts

@@ -87,46 +87,48 @@ export enum DataType {
  * GL Capabilities
  * Some capabilities can be smoothed out by extension, and some capabilities must use WebGL 2.0.
  * */
-export enum GLCapabilityType {
-  shaderVertexID = "shaderVertexID",
-  standardDerivatives = "OES_standard_derivatives",
-  shaderTextureLod = "EXT_shader_texture_lod",
-  elementIndexUint = "OES_element_index_uint",
-  depthTexture = "WEBGL_depth_texture",
-  drawBuffers = "WEBGL_draw_buffers",
-  vertexArrayObject = "OES_vertex_array_object",
-  instancedArrays = "ANGLE_instanced_arrays",
-  multipleSample = "multipleSampleOnlySupportedInWebGL2",
-  textureFloat = "OES_texture_float",
-  textureFloatLinear = "OES_texture_float_linear",
-  textureHalfFloat = "OES_texture_half_float",
-  textureHalfFloatLinear = "OES_texture_half_float_linear",
-  WEBGL_colorBufferFloat = "WEBGL_color_buffer_float",
-  colorBufferFloat = "EXT_color_buffer_float",
-  colorBufferHalfFloat = "EXT_color_buffer_half_float",
-  textureFilterAnisotropic = "EXT_texture_filter_anisotropic",
-  blendMinMax = "EXT_blend_minmax",
-  fragDepth = "EXT_frag_depth",
-
-  astc = "WEBGL_compressed_texture_astc",
-  astc_webkit = "WEBKIT_WEBGL_compressed_texture_astc",
-  astc_hdr = "WEBGL_compressed_texture_astc_hdr",
-  etc = "WEBGL_compressed_texture_etc",
-  etc_webkit = "WEBKIT_WEBGL_compressed_texture_etc",
-  etc1 = "WEBGL_compressed_texture_etc1",
-  etc1_webkit = "WEBKIT_WEBGL_compressed_texture_etc1",
-  pvrtc = "WEBGL_compressed_texture_pvrtc",
-  pvrtc_webkit = "WEBKIT_WEBGL_compressed_texture_pvrtc",
-  s3tc = "WEBGL_compressed_texture_s3tc",
-  s3tc_webkit = "WEBKIT_WEBGL_compressed_texture_s3tc",
-  s3tc_srgb = "WEBGL_compressed_texture_s3tc_srgb",
-
-  bptc = "EXT_texture_compression_bptc",
-
-  WEBGL_lose_context = "WEBGL_lose_context",
-
-  sRGB = "EXT_sRGB"
-}
+export const GLCapabilityType = {
+  shaderVertexID: "shaderVertexID",
+  standardDerivatives: "OES_standard_derivatives",
+  shaderTextureLod: "EXT_shader_texture_lod",
+  elementIndexUint: "OES_element_index_uint",
+  depthTexture: "WEBGL_depth_texture",
+  drawBuffers: "WEBGL_draw_buffers",
+  vertexArrayObject: "OES_vertex_array_object",
+  instancedArrays: "ANGLE_instanced_arrays",
+  multipleSample: "multipleSampleOnlySupportedInWebGL2",
+  textureFloat: "OES_texture_float",
+  textureFloatLinear: "OES_texture_float_linear",
+  textureHalfFloat: "OES_texture_half_float",
+  textureHalfFloatLinear: "OES_texture_half_float_linear",
+  WEBGL_colorBufferFloat: "WEBGL_color_buffer_float",
+  colorBufferFloat: "EXT_color_buffer_float",
+  colorBufferHalfFloat: "EXT_color_buffer_half_float",
+  textureFilterAnisotropic: "EXT_texture_filter_anisotropic",
+  blendMinMax: "EXT_blend_minmax",
+  fragDepth: "EXT_frag_depth",
+
+  astc: "WEBGL_compressed_texture_astc",
+  astc_webkit: "WEBKIT_WEBGL_compressed_texture_astc",
+  astc_hdr: "WEBGL_compressed_texture_astc_hdr",
+  etc: "WEBGL_compressed_texture_etc",
+  etc_webkit: "WEBKIT_WEBGL_compressed_texture_etc",
+  etc1: "WEBGL_compressed_texture_etc1",
+  etc1_webkit: "WEBKIT_WEBGL_compressed_texture_etc1",
+  pvrtc: "WEBGL_compressed_texture_pvrtc",
+  pvrtc_webkit: "WEBKIT_WEBGL_compressed_texture_pvrtc",
+  s3tc: "WEBGL_compressed_texture_s3tc",
+  s3tc_webkit: "WEBKIT_WEBGL_compressed_texture_s3tc",
+  s3tc_srgb: "WEBGL_compressed_texture_s3tc_srgb",
+
+  bptc: "EXT_texture_compression_bptc",
+
+  WEBGL_lose_context: "WEBGL_lose_context",
+
+  sRGB: "EXT_sRGB"
+} as const;
+
+export type GLCapabilityType = (typeof GLCapabilityType)[keyof typeof GLCapabilityType];
 
 export type TypedArray =
   | Int8Array

packages/core/src/mesh/enums/VertexAttribute.ts

@@ -1,33 +1,35 @@
 /**
  * Vertex attribute types of a vertex in a ModelMesh.
  */
-export enum VertexAttribute {
+export const VertexAttribute = {
   /** Vertex position. */
-  Position = "POSITION",
+  Position: "POSITION",
   /** Vertex normal. */
-  Normal = "NORMAL",
+  Normal: "NORMAL",
   /** Vertex color. */
-  Color = "COLOR_0",
+  Color: "COLOR_0",
   /** Vertex tangent. */
-  Tangent = "TANGENT",
+  Tangent: "TANGENT",
   /** Vertex bone weight. */
-  BoneWeight = "WEIGHTS_0",
+  BoneWeight: "WEIGHTS_0",
   /** Vertex bone index. */
-  BoneIndex = "JOINTS_0",
+  BoneIndex: "JOINTS_0",
   /** Vertex UV. */
-  UV = "TEXCOORD_0",
+  UV: "TEXCOORD_0",
   /** Vertex UV1. */
-  UV1 = "TEXCOORD_1",
+  UV1: "TEXCOORD_1",
   /** Vertex UV2. */
-  UV2 = "TEXCOORD_2",
+  UV2: "TEXCOORD_2",
   /** Vertex UV3. */
-  UV3 = "TEXCOORD_3",
+  UV3: "TEXCOORD_3",
   /** Vertex UV4. */
-  UV4 = "TEXCOORD_4",
+  UV4: "TEXCOORD_4",
   /** Vertex UV5. */
-  UV5 = "TEXCOORD_5",
+  UV5: "TEXCOORD_5",
   /** Vertex UV6. */
-  UV6 = "TEXCOORD_6",
+  UV6: "TEXCOORD_6",
   /** Vertex UV7. */
-  UV7 = "TEXCOORD_7"
-}
+  UV7: "TEXCOORD_7"
+} as const;
+
+export type VertexAttribute = (typeof VertexAttribute)[keyof typeof VertexAttribute];