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import commonjs from '@rollup/plugin-commonjs';import json from '@rollup/plugin-json';import resolve from '@rollup/plugin-node-resolve';import bundleSize from 'rollup-plugin-bundle-size';import {terser} from 'rollup-plugin-terser';import typescript from 'rollup-plugin-typescript2';import babel from '@rollup/plugin-babel';
const watch = process.env.ROLLUP_WATCH;
export function disallowedImports() {  return {    resolveId: module => {      if (module === 'vega' || module === 'util' || module === 'd3') {        throw new Error('Cannot import from Vega, Node Util, or D3 in Vega-Lite.');      }      return null;    }  };}
export function debugImports() {  return {    resolveId: module => {      if (module === 'pako') {        throw new Error('Do not import pako in builds. Did you forget to remove drawDataflow?');      }      return null;    }  };}
const pkg = require('./package.json');
const outputs = [  {    input: 'src/index.ts',    output: {      file: 'build/vega-lite.module.js',      sourcemap: true,      format: 'esm'    },    plugins: [      disallowedImports(),      debugImports(),      json(),      resolve({browser: true}),      typescript({        tsconfigOverride: {          compilerOptions: {            declaration: true,            declarationMap: true          },          include: null        }      }),      bundleSize()    ],    external: [...Object.keys(pkg.dependencies), ...Object.keys(pkg.peerDependencies)]  }];
if (!watch) {  const extensions = ['.js', '.ts'];
  for (const build of ['es5', 'es6']) {    const buildFolder = build === 'es5' ? 'build-es5' : 'build';    outputs.push({      input: 'src/index.ts',      output: [        {          file: `${buildFolder}/vega-lite.js`,          format: 'umd',          sourcemap: true,          name: 'vegaLite'        },        {          file: `${buildFolder}/vega-lite.min.js`,          format: 'umd',          sourcemap: true,          name: 'vegaLite',          plugins: [terser()]        }      ],      plugins: [        resolve({browser: true, extensions}),        commonjs(),        json(),        babel({          extensions,          babelHelpers: 'bundled',          presets: [            [              '@babel/env',              {                targets: build === 'es5' ? 'defaults' : 'defaults and not IE 11'              }            ],            '@babel/typescript'          ]        }),        bundleSize()      ],      external: ['vega']    });  }}
export default outputs;