no .d.ts generated

[Falieson]

When I run nps build it creates a prod build. Looking in /dist there's no declaration file.

My repo is here: https://github.com/TGRstack/typescript-module

There's a lot of config but the relevant bits are:

// common
const outputName = 'index'

module.exports = {
  entry: {
    main: paths.src.entry
  },
  output: {
    path: paths.build._,
    filename: `${outputName}.js`,
    libraryTarget: 'commonjs'
  },
  resolve: {
    extensions: ['.csv', '.ts', '.js', '.json',],
    modules: ['src', 'node_modules'],
  },
  module: {
    rules: [
      typescript.loader,
      // graphql,
      files,
    ],
  },
  plugins: [
    new Dotenv(dotEnvOpts),
    // typescript.paths,
    new TSDeclerationsPlugin({
      main: 'main',
      output: `${outputName}.d.ts`
    }),
  ],
  target: 'node',
  externals: [nodeExternals()],
  node: {
    __dirname: false,
    __filename: false,
  },
}

https://github.com/TGRstack/typescript-module/blob/master/webpack/webpack.prod.js

// webpack prod
const webpackCommon = require('./webpack.common');

module.exports = merge(webpackCommon, {
  mode: 'production',
  devtool: false, // README.md
  bail: true,
  plugins: [
    new TerserPlugin({
      parallel: true,
      terserOptions: {
        ecma: 6,
      },
    }),
  ],
})