@hebcal/core/dist/size-demo/rollup.config.js

A perpetual Jewish Calendar API

import prettyBytes from 'pretty-bytes';
import { defineConfig } from 'rollup';
import { nodeResolve } from '@rollup/plugin-node-resolve';
import bundleSize from 'rollup-plugin-bundle-size';
import terser from '@rollup/plugin-terser';
import typescript from '@rollup/plugin-typescript';
import { appendFileSync, readdirSync, writeFileSync } from 'fs';
import { basename } from 'path';
import { visualizer } from 'rollup-plugin-visualizer';
const sizeFile = './size-demo/sizes.md';
writeFileSync(sizeFile, '# Bundle sizes\n\n');
export default defineConfig(readdirSync('./size-demo')
    .filter(f => f.endsWith('.ts'))
    .filter(f => !f.endsWith('.d.ts') && !f.endsWith('.config.ts'))
    .map((file) => {
    const name = basename(file, '.ts');
    return {
        input: `size-demo/${name}.ts`,
        output: [
            {
                file: `size-demo/dist/${name}.js`,
                format: 'es',
                inlineDynamicImports: true,
            },
            {
                file: `size-demo/dist/${name}.min.js`,
                format: 'es',
                inlineDynamicImports: true,
                plugins: [terser()],
            },
        ],
        plugins: [
            typescript({ tsconfig: './size-demo/tsconfig.json' }),
            nodeResolve(),
            bundleSize(),
            {
                name: 'record-size-to-file',
                generateBundle(options, bundle) {
                    const asset = basename(options.file);
                    const result = bundle[asset];
                    appendFileSync(sizeFile, `- \`${asset}\`: ${prettyBytes(result.code.length)}\n`);
                },
            },
            visualizer({ filename: `size-demo/dist/${name}.stats.html` }),
        ],
    };
}));