rollup.config.ts

import sourceMaps from 'rollup-plugin-sourcemaps';
import camelCase from 'lodash.camelcase';
import typescript from 'rollup-plugin-typescript2';
import json from 'rollup-plugin-json';

const pkg = require('./package.json');

const libraryName = 'taquito-signer';

export default {
  input: `src/${libraryName}.ts`,
  output: [
    { file: pkg.main, name: camelCase(libraryName), format: 'umd', sourcemap: true },
    { file: pkg.module, format: 'es', sourcemap: true },
  ],
  // Indicate here external modules you don't wanna include in your bundle (i.e.: 'lodash')
  external: ['typedarray-to-buffer'],
  watch: {
    include: 'src/**',
  },
  plugins: [
    // Allow json resolution
    json(),
    // Compile TypeScript files
    typescript({ tsconfig: './tsconfig.prod.json', useTsconfigDeclarationDir: true }),

    // Resolve source maps to the original source
    sourceMaps(),
  ],
};