jsrootdi/build/rollup.config.js

JavaScript ROOT

import json from '@rollup/plugin-json';
import nodeResolve from '@rollup/plugin-node-resolve';
import terser from '@rollup/plugin-terser';
import modify from 'rollup-plugin-modify';
import ascii from 'rollup-plugin-ascii';
import ignore from 'rollup-plugin-ignore';
import meta from '../package.json' assert {type: 'json'};

const ignore_modules = ['fs', 'zlib', 'gl', './base/lzma.mjs', './base/zstd.mjs', '../../scripts/jspdf.es.min.js', '../../scripts/svg2pdf.es.min.js'];

const importMetaUrlPolyfill = `(typeof document === 'undefined' && typeof location === 'undefined' ? undefined : typeof document === 'undefined' ? location.href : (document.currentScript && document.currentScript.src || new URL('jsroot.js', document.baseURI).href));`;

for(let key in meta.dependencies)
   ignore_modules.push(key);

const config = {
  input: "modules/main.mjs",
  output: {
    name: "JSROOT",
    file: "build/jsroot.js",
    format: "umd",
    inlineDynamicImports: true,
    indent: false,
    extend: true,
    banner: `// ${meta.homepage} v${meta.version}`
  },
  plugins: [
    modify({
      find: /\/\/\/_begin_exclude_in_qt5web_(.|\n)*?\/\/\/_end_exclude_in_qt5web_/,
      replace: '',
      'import.meta?.url': importMetaUrlPolyfill
     }),
    ignore(ignore_modules),
    nodeResolve(),
    json(),
    ascii()
  ],
  onwarn(message, warn) {
    if (message.code === "CIRCULAR_DEPENDENCY") return;
    warn(message);
  }
};

const config_hist = {
   ...config,
   input: "modules/hist/bundle.mjs",
   output: {
      ...config.output,
      file: "build/hist.js",
      inlineDynamicImports: true
   }
}

const config_2d = {
   ...config,
   input: "modules/hist2d/bundle.mjs",
   output: {
      ...config.output,
      file: "build/hist2d.js",
      inlineDynamicImports: true
   }
}

const config_geom = {
   ...config,
   input: "modules/geom/bundle.mjs",
   output: {
      ...config.output,
      format: 'es',
      file: 'build/geom.mjs',
      inlineDynamicImports: true
   }
}

const config_minified = {
   ...config,
    output: {
      ...config.output,
      file: "build/jsroot.min.js",
      inlineDynamicImports: true
    },
    plugins: [
      ...config.plugins,
      terser({
        output: {
          preamble: config.output.banner
        },
        mangle: {
          reserved: [
            "InternMap",
            "InternSet"
          ]
        }
      })
    ]
}

const config_hist_minified = {
   ...config_minified,
   input: "modules/hist/bundle.mjs",
   output: {
     ...config.output,
     file: "build/hist.min.js",
     inlineDynamicImports: true
   }
}

const config_2d_minified = {
   ...config_minified,
   input: "modules/hist2d/bundle.mjs",
   output: {
     ...config.output,
     file: "build/hist2d.min.js",
     inlineDynamicImports: true
   }
}

export default [
  config,
  config_hist,
  config_2d,
  config_geom,
  config_minified,
  config_hist_minified,
  config_2d_minified
];