rollup.js

'use strict';

var babel = require('rollup-plugin-babel');
var babelrc = require('babelrc-rollup');

var rollup = require('rollup');
var fs = require("fs");
var path = require("path");

var rollupVersion = function (version, pkg) {

    const settings = {
        entry: path.join(version, 'index.js'),
        plugins: [
            babel(babelrc.default())
        ],
        external: [
            ...Object.keys(pkg.dependencies),
            'fs',
            'path',
        ]
    };

    rollup.rollup(settings).then(function (bundle) {
        bundle.write({
            format: 'es',
            dest: path.join(version, 'dist/png-db.es.js'),
            sourceMap: true
        });
        if (pkg.createBrowserScript) {
            bundle.write({
                format: 'iife',
                moduleName: 'pngDb',
                dest: path.join(version, 'dist/png-db.js'),
                sourceMap: true
            });
        } else {
            bundle.write({
                format: 'cjs',
                dest: path.join(version, 'dist/png-db.js'),
                sourceMap: true
            });
        }
    });
};
rollupVersion('versions/client', {
    "dependencies": {},
    "createBrowserScript": true
});
rollupVersion('versions/node', {
    "dependencies": {
        "jimp": "^0.2.27"
    }
});