taglib-wasm/dist/src/runtime/detector.js

TagLib for TypeScript platforms: Deno, Node.js, Bun, Electron, browsers, and Cloudflare Workers

function hasWASISupport() {
  if (typeof Deno !== "undefined") {
    return true;
  }
  const globalAny = globalThis;
  if (typeof globalAny.process !== "undefined" && globalAny.process.versions?.node) {
    const [major] = globalAny.process.versions.node.split(".").map(Number);
    return major >= 16;
  }
  return false;
}
function isBrowser() {
  return typeof window !== "undefined" && typeof document !== "undefined";
}
function isWebWorker() {
  const globalAny = globalThis;
  return typeof globalAny.WorkerGlobalScope !== "undefined" && typeof globalAny.self !== "undefined" && globalAny.self instanceof globalAny.WorkerGlobalScope;
}
function isCloudflareWorker() {
  const globalAny = globalThis;
  return typeof caches !== "undefined" && typeof Request !== "undefined" && typeof addEventListener === "function" && typeof Deno === "undefined" && typeof globalAny.process === "undefined";
}
function isNode() {
  const globalAny = globalThis;
  return typeof globalAny.process !== "undefined" && globalAny.process.versions?.node !== void 0;
}
function isDeno() {
  return typeof Deno !== "undefined";
}
function detectRuntime() {
  if (isDeno() && hasWASISupport()) {
    return {
      environment: "deno-wasi",
      wasmType: "wasi",
      supportsFilesystem: true,
      supportsStreaming: true,
      performanceTier: 1
    };
  }
  if (isNode() && hasWASISupport()) {
    return {
      environment: "node-wasi",
      wasmType: "wasi",
      supportsFilesystem: true,
      supportsStreaming: true,
      performanceTier: 1
    };
  }
  if (isBrowser()) {
    return {
      environment: "browser",
      wasmType: "emscripten",
      supportsFilesystem: false,
      supportsStreaming: true,
      performanceTier: 2
    };
  }
  if (isWebWorker()) {
    return {
      environment: "worker",
      wasmType: "emscripten",
      supportsFilesystem: false,
      supportsStreaming: true,
      performanceTier: 2
    };
  }
  if (isCloudflareWorker()) {
    return {
      environment: "cloudflare",
      wasmType: "emscripten",
      supportsFilesystem: false,
      supportsStreaming: false,
      // Limited streaming capabilities
      performanceTier: 3
    };
  }
  if (isNode()) {
    return {
      environment: "node-emscripten",
      wasmType: "emscripten",
      supportsFilesystem: true,
      supportsStreaming: true,
      performanceTier: 3
    };
  }
  return {
    environment: "browser",
    // Default assumption
    wasmType: "emscripten",
    supportsFilesystem: false,
    supportsStreaming: true,
    performanceTier: 3
  };
}
function getEnvironmentDescription(env) {
  switch (env) {
    case "deno-wasi":
      return "Deno with WASI (optimal filesystem performance)";
    case "node-wasi":
      return "Node.js with WASI (high performance)";
    case "browser":
      return "Browser with Emscripten (web compatibility)";
    case "worker":
      return "Web Worker with Emscripten";
    case "cloudflare":
      return "Cloudflare Workers (limited streaming)";
    case "node-emscripten":
      return "Node.js with Emscripten (fallback mode)";
    default:
      return "Unknown environment";
  }
}
function canLoadWasmType(wasmType) {
  const result = detectRuntime();
  if (wasmType === "wasi") {
    return result.environment === "deno-wasi" || result.environment === "node-wasi";
  }
  return true;
}
function _forceRuntime(result) {
  globalThis.__taglib_wasm_runtime_override = result;
}
function _clearRuntimeOverride() {
  delete globalThis.__taglib_wasm_runtime_override;
}
function _getDetectionResult() {
  const override = globalThis.__taglib_wasm_runtime_override;
  return override || detectRuntime();
}
export {
  _clearRuntimeOverride,
  _forceRuntime,
  _getDetectionResult,
  canLoadWasmType,
  detectRuntime,
  getEnvironmentDescription
};