compareSize.js

// only frontend block files
const b25 = require('./2.5.size-gzip.json').results;
const b26 = require('./2.6.size-gzip.json').results;

// all files.
const b25All = require('./blocks-2.5-all.json').results;
const b26All = require('./blocks-2.6-all.json').results;

const bytes = require('bytes');
const tablemark = require('tablemark')

const frontEndBlocks = []


b26.forEach(file => {

	const s26 = file.totalBytes ?? 0
	const s25 = b25.find(files => files.bundleName === file.bundleName)?.totalBytes ?? 0
	frontEndBlocks.push({
		bundle: file.bundleName,
		'release/2.5':  bytes(s25),
		'master': bytes(s26),
		'diff': bytes(s26 - s25)
	});
})

const allFiles = []
b26All.forEach(file => {

	const s26 = file.totalBytes ?? 0;
	const s25 = b25All.find(files => files.bundleName === file.bundleName)?.totalBytes ?? 0
	allFiles.push({
		bundle: `\`${file.bundleName}\``,
		'release/2.5': bytes(s25),
		'master': bytes(s26),
		'diff': s26 - s25
	})
})
const filteredAllFiles = allFiles
	.filter(file => Math.abs(file.diff) > 1000 )
	.sort((a , b) => Math.abs(b.diff) - Math.abs(a.diff))
	.map(file => ({...file, diff: bytes(file.diff)}))

console.log(tablemark(frontEndBlocks));
console.log(tablemark(filteredAllFiles));

2.5.size-gzip.json and 2.6.size-gzip.json are exported using this command npm run explore build/*-frontend.js -- --gzip --json > 2.6.size-gzip.json on each branch
blocks-2.5-all.json was using this command npm run explore ./build/*.js -- --gzip --json > blocks-2.6-all.json on each branch