uniswap-interface-uncensored/scripts/test-size.js
Zach Pomerantz ee2dc1ee17
feat: pageload performance tracing (#6146)
* build: add @sentry/tracing

* feat: turn on pageload tracing

* feat: simple trace abstractions

* fix: set sample rate in .env

* fix: rm unused trace

* fix: bump size for new deps

* fix: unnecessary line
2023-03-14 11:39:58 -07:00

57 lines
1.7 KiB
JavaScript

/* eslint-disable no-undef */
const assert = require('assert')
const chalk = require('chalk')
const fs = require('fs')
const gzipSize = require('gzip-size').sync
const path = require('path')
const buildDir = path.join(__dirname, '../build')
let entrypoints
try {
entrypoints = require(path.join(buildDir, 'asset-manifest.json')).entrypoints
} catch (e) {
console.log(chalk.yellow('You must build first: `yarn build`'))
process.exit(1)
}
// The last recorded size for these assets, as reported by `yarn build`.
const LAST_SIZE_MAIN_KB = 374
// This is the async-loaded js, called <number>.<hash>.js, with a matching css file.
const LAST_SIZE_ENTRY_KB = 1432
const SIZE_TOLERANCE_KB = 5
const jsEntrypoints = entrypoints.filter((entrypoint) => entrypoint.endsWith('js'))
assert(jsEntrypoints.length === 3)
let fail = false
console.log('File sizes after gzip:\n')
jsEntrypoints.forEach((entrypoint) => {
const name = entrypoint.match(/\/([\w\d-]*)\./)[1]
const size = gzipSize(fs.readFileSync(path.join(buildDir, entrypoint))) / 1024
let maxSize = LAST_SIZE_ENTRY_KB + SIZE_TOLERANCE_KB
if (name === 'runtime-main') {
return
} else if (name === 'main') {
maxSize = LAST_SIZE_MAIN_KB + SIZE_TOLERANCE_KB
}
const report = `\t${size.toFixed(2).padEnd(8)}kB\t${chalk.dim(
`max: ${maxSize.toFixed().padEnd(4)} kB`
)}\t${entrypoint}`
if (maxSize > size) {
console.log(chalk.green(report))
} else {
console.log(chalk.red(report), '\tdid you import an unnecessary dependency?')
fail = true
}
})
if (fail) {
console.log(chalk.yellow('\nOne or more of your files has grown too large.'))
console.log(chalk.yellow('Reduce the file size or update the size limit (in scripts/test-size.js)'))
process.exit(1)
}