webpack.config.js

module.exports = function webpackConfig(config) {
  //console.log('webpack config resolve', config.resolve);
  //console.log('webpack config rules', config.module.rules);
  const path = require('path');
  const dev = config.mode === 'development';
  const libDir = path.join(__dirname, 'libs/wasm');
  const includePath = ['-I', libDir, '-I', path.join(libDir, 'kissfft')];
  config.resolve.extensions.push('.c', '.cpp');
  config.module.rules.push({
    test: /\.c(?:pp)?$/,
    use: [
      {
        loader: 'cpp-wasm-loader',
        options: {
          emccPath: 'emcc',
          emccFlags: [
            '-O2',
            ...includePath,
            '-s',
            "EXTRA_EXPORTED_RUNTIME_METHODS=['ccall','cwrap']",
            '-s',
            'WASM=1',
          ],
          memoryClass: true,
          fetchFiles: false,
          asmJs: false,
          wasm: true,
          fullEnv: false,
        },
      },
      {
        loader: 'cpp-dependency-loader',
        options: {
          emccPath: 'emcc',
          emccFlags: includePath,
        },
      },
    ],
  });
  return config;
};