dangerfile.js
/* global markdown */
const { readFileSync } = require('fs')
const before = {
minified: parseInt(readFileSync(`${__dirname}/.diff/size-before-minified`, 'utf8').trim()),
gzipped: parseInt(readFileSync(`${__dirname}/.diff/size-before-gzipped`, 'utf8').trim())
}
const after = {
minified: parseInt(readFileSync(`${__dirname}/.diff/size-after-minified`, 'utf8').trim()),
gzipped: parseInt(readFileSync(`${__dirname}/.diff/size-after-gzipped`, 'utf8').trim())
}
const formatKbs = (n) => `${(n / 1000).toFixed(2)} kB`
const diffMinSize = after.minified - before.minified
const diffZipSize = after.gzipped - before.gzipped
const showDiff = n => {
if (n > 0) return `⚠️ \`+${n.toLocaleString()} bytes\``
if (n < 0) return `\`${n.toLocaleString()} bytes\``
return '_No change_'
}
markdown(`
### \`@bugsnag/browser\` bundle size diff
| | Minified | Minfied + Gzipped |
|--------|-------------------------------|--------------------------------------|
| Before | \`${formatKbs(before.minified)}\` | \`${formatKbs(before.gzipped)}\` |
| After | \`${formatKbs(after.minified)}\` | \`${formatKbs(after.gzipped)}\` |
| ± | ${showDiff(diffMinSize)} | ${showDiff(diffZipSize)} |
### code coverage diff
<_temporarily disabled_>
`)