ort-wasm-handler.js

const fs = require("fs");
const path = require("path");

// copy onnxruntime-web WebAssembly files to public/ folder
const srcFolder = path.join(__dirname, "node_modules", "onnxruntime-web", "dist");
const destFolder = path.join(__dirname, "public", "static", "js");

if (fs.existsSync(destFolder)) {
  fs.rmSync(destFolder, { recursive: true, force: true });
}
fs.mkdirSync(destFolder, { recursive: true });

fs.copyFileSync(path.join(srcFolder, "ort-wasm.wasm"), path.join(destFolder, "ort-wasm.wasm"));
fs.copyFileSync(
  path.join(srcFolder, "ort-wasm-simd.wasm"),
  path.join(destFolder, "ort-wasm-simd.wasm")
);
fs.copyFileSync(
  path.join(srcFolder, "ort-wasm-threaded.wasm"),
  path.join(destFolder, "ort-wasm-threaded.wasm")
);
fs.copyFileSync(
  path.join(srcFolder, "ort-wasm-simd-threaded.wasm"),
  path.join(destFolder, "ort-wasm-simd-threaded.wasm")
);