taglib-wasm/dist/src/deno-compile-support.js

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

function isDenoCompiled() {
  return typeof Deno !== "undefined" && Deno.mainModule?.startsWith("file:///") && Deno.execPath()?.includes("deno") === false;
}
async function loadWasmForDeno(options = {}) {
  const strategies = [
    // 1. User-provided binary
    async () => options.wasmBinary,
    // 2. Local file (development)
    async () => {
      if (typeof Deno !== "undefined" && !isDenoCompiled()) {
        try {
          const path = options.wasmPath ?? "./build/taglib-web.wasm";
          return await Deno.readFile(path);
        } catch {
        }
      }
    },
    // 3. Fetch from URL
    async () => {
      const url = options.wasmUrl ?? options.fallbackUrl ?? "https://cdn.jsdelivr.net/npm/taglib-wasm@latest/dist/taglib-web.wasm";
      try {
        const response = await fetch(url);
        if (response.ok) {
          return new Uint8Array(await response.arrayBuffer());
        }
      } catch {
      }
    }
  ];
  for (const strategy of strategies) {
    const result = await strategy();
    if (result) {
      return result instanceof Uint8Array ? result : new Uint8Array(result);
    }
  }
  return void 0;
}
async function initializeForDeno(options = {}) {
  const { TagLib } = await import("../src/taglib.js");
  const wasmBinary = await loadWasmForDeno(options);
  if (!wasmBinary) {
    throw new Error(
      "Failed to load WASM module. For compiled binaries, either bundle the WASM or ensure network access."
    );
  }
  return TagLib.initialize({ wasmBinary });
}
export {
  initializeForDeno,
  isDenoCompiled,
  loadWasmForDeno
};