@uprtcl/ethereum-provider/rollup.config.ts

_Prtcl provider wrappers around web3

import sourceMaps from 'rollup-plugin-sourcemaps';
import typescript from 'rollup-plugin-typescript2';
import json from '@rollup/plugin-json';

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

const libraryName = 'uprtcl-ethereum-provider';

export default {
  input: `src/${libraryName}.ts`,
  output: [
    { file: pkg.main, name: 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-es')
  external: [...Object.keys(pkg.dependencies || {}), ...Object.keys(pkg.peerDependencies || {})],
  watch: {
    include: 'src/**',
  },
  plugins: [
    // Allow json resolution
    json(),
    // Compile TypeScript files
    typescript({
      objectHashIgnoreUnknownHack: true,
      abortOnError: false,

      useTsconfigDeclarationDir: true,
      cacheRoot: `${require('temp-dir')}/.rpt2_cache`,
    }),

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