241 lines
5.1 KiB
TypeScript
241 lines
5.1 KiB
TypeScript
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/**
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* WASM 库平台适配层
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*
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* 提供统一的 WASM 库加载接口,屏蔽不同平台的差异
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*
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* 支持的平台:
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* - Web 浏览器(标准 WebAssembly API)
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* - 微信小游戏(WXWebAssembly)
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* - 字节跳动小游戏
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* - 支付宝小游戏
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* - 百度小游戏
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*/
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/**
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* 平台类型枚举
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*/
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export enum PlatformType {
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/** Web 浏览器 */
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Web = 'web',
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/** 微信小游戏 */
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WeChatMiniGame = 'wechat-minigame',
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/** 字节跳动小游戏 */
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ByteDanceMiniGame = 'bytedance-minigame',
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/** 支付宝小游戏 */
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AlipayMiniGame = 'alipay-minigame',
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/** 百度小游戏 */
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BaiduMiniGame = 'baidu-minigame',
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/** Node.js */
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NodeJS = 'nodejs',
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/** 未知平台 */
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Unknown = 'unknown'
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}
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/**
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* WASM 库加载配置
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*
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* @example
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* ```typescript
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* const config: WasmLibraryConfig = {
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* name: 'Rapier2D',
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* web: {
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* useCompat: true, // Web 使用 compat 版本
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* },
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* minigame: {
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* wasmPath: 'wasm/rapier2d_bg.wasm',
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* needsTextDecoderPolyfill: true,
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* }
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* };
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* ```
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*/
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export interface WasmLibraryConfig {
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/**
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* 库名称(用于日志和错误提示)
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*/
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name: string;
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/**
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* Web 平台配置
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*/
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web?: {
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/**
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* 使用 -compat 版本(WASM 以 base64 嵌入 JS)
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*
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* 优点:无需额外配置,开箱即用
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* 缺点:包体积较大,首次加载慢
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*/
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useCompat?: boolean;
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/**
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* 模块路径(非 compat 版本时使用)
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*/
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modulePath?: string;
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/**
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* WASM 文件路径(非 compat 版本时使用)
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*/
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wasmPath?: string;
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};
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/**
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* 小游戏平台配置
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*/
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minigame?: {
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/**
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* WASM 文件路径(相对于小游戏根目录)
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*/
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wasmPath: string;
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/**
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* JS glue 文件路径(可选)
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*/
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gluePath?: string;
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/**
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* 是否需要 TextDecoder polyfill
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*
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* iOS 微信小游戏通常需要此 polyfill
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*/
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needsTextDecoderPolyfill?: boolean;
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/**
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* 是否需要 TextEncoder polyfill
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*
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* iOS 微信小游戏通常需要此 polyfill
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*/
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needsTextEncoderPolyfill?: boolean;
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};
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/**
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* 自定义初始化函数
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*
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* 用于库特定的初始化逻辑
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*
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* @param wasmInstance - WASM 实例
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* @returns 初始化后的模块
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*/
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customInit?: (wasmInstance: any) => Promise<any>;
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}
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/**
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* 平台信息
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* Platform information
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*/
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export interface PlatformInfo {
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/** 平台类型 | Platform type */
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type: PlatformType;
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/** 是否支持 WebAssembly | Supports WebAssembly */
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supportsWasm: boolean;
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/** 是否支持 SharedArrayBuffer | Supports SharedArrayBuffer */
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supportsSharedArrayBuffer: boolean;
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/** 需要安装的 polyfills 列表 | Required polyfills */
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needsPolyfills: string[];
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/**
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* 是否在编辑器环境(Tauri 桌面应用)
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* Whether running in editor environment (Tauri desktop app)
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*/
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isEditor: boolean;
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}
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/**
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* WASM 库加载器接口
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*
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* 每个 WASM 库需要实现此接口以支持跨平台加载
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*
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* @typeParam T - WASM 库模块类型
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*
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* @example
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* ```typescript
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* class Rapier2DLoader implements IWasmLibraryLoader<typeof RAPIER> {
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* async load(): Promise<typeof RAPIER> {
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* const RAPIER = await import('@dimforge/rapier2d-compat');
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* await RAPIER.init();
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* return RAPIER;
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* }
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*
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* isSupported(): boolean {
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* return typeof WebAssembly !== 'undefined';
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* }
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*
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* getPlatformInfo(): PlatformInfo {
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* return {
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* type: PlatformType.Web,
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* supportsWasm: true,
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* supportsSharedArrayBuffer: true,
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* needsPolyfills: []
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* };
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* }
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* }
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* ```
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*/
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export interface IWasmLibraryLoader<T> {
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/**
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* 加载 WASM 库
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*
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* @returns 加载完成的库模块
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* @throws 如果加载失败或平台不支持
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*/
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load(): Promise<T>;
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/**
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* 检查当前平台是否支持此库
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*
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* @returns 是否支持
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*/
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isSupported(): boolean;
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/**
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* 获取当前平台信息
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*
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* @returns 平台信息
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*/
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getPlatformInfo(): PlatformInfo;
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/**
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* 获取库配置
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*
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* @returns 库配置
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*/
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getConfig(): WasmLibraryConfig;
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}
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/**
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* 平台特定 WASM 加载器接口
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*
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* 提供平台级别的 WASM 加载能力
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*/
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export interface IPlatformWasmLoader {
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/**
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* 平台类型
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*/
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readonly platformType: PlatformType;
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/**
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* 加载 WASM 模块
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*
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* @param wasmPath - WASM 文件路径
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* @param imports - WASM 导入对象
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* @returns WASM 实例
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*/
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loadWasmModule(
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wasmPath: string,
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imports?: WebAssembly.Imports
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): Promise<WebAssembly.Instance>;
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/**
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* 检查是否支持 WASM
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*
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* @returns 是否支持
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*/
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isSupported(): boolean;
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/**
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* 安装必要的 polyfills
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*/
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installPolyfills(): void;
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}
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