Jerko Steiner
9bf274f9bf
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90 lines
2.4 KiB
TypeScript
90 lines
2.4 KiB
TypeScript
import { arg, argparse } from '@rondo.dev/argparse'
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import _unpack from 'browser-unpack'
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import * as fs from 'fs'
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import * as path from 'path'
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import { padLeft } from '../util'
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export async function unpack(...argv: string[]) {
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const args = argparse({
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filename: arg('string', {positional: true, required: true}),
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help: arg('boolean'),
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}, unpack.help).parse(argv)
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const file = fs.readFileSync(args.filename, 'utf8')
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const result = _unpack(file)
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const sizes = result.map(item => {
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const size = new Buffer(item.source).byteLength
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const sizeKb = (size / 1024).toFixed(3) + ' kb'
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return {
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id: path.relative(process.cwd(), item.id.toString()),
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size,
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sizeKb,
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deps: item.deps,
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}
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})
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.sort((a, b) => a.size - b.size)
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const maxNameLength = sizes
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.reduce((m, i) => m < i.id.length ? i.id.length : m, 0)
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const maxSizeLength = sizes
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.reduce((m, i) => m < i.sizeKb.length ? i.sizeKb.length : m, 0)
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const totalSize = sizes.reduce((s, i) => i.size + s, 0)
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function padRight(text: string, size: number) {
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while (text.length < size) {
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text += ' '
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}
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return text
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}
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sizes
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.forEach(item => {
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console.log(
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padRight(item.id, maxNameLength),
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padLeft(item.sizeKb, maxSizeLength),
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)
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})
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console.log()
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console.log(
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padRight('Total size:', maxNameLength),
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padLeft((totalSize / 1024).toFixed(3) + ' kb', maxSizeLength),
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)
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}
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unpack.help = 'Show name and size of each module in browserify bundle'
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export async function unpackInverseDeps(...argv: string[]) {
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const args = argparse({
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filename: arg('string', {positional: true, required: true}),
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help: arg('boolean'),
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}, unpackInverseDeps.help).parse(argv)
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const file = fs.readFileSync(args.filename, 'utf8')
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const result = _unpack(file)
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const cwd = process.cwd()
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const depsById = result.reduce((obj, item) => {
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const id = path.relative(cwd, item.id.toString())
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Object.keys(item.deps).forEach(dep => {
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const depId = path.relative(cwd, item.deps[dep].toString())
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obj[depId] = obj[depId] || []
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obj[depId].push(id)
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})
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return obj
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}, {} as Record<string, string[]>)
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Object.keys(depsById).forEach(dep => {
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console.log(dep)
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const deps = depsById[dep]
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if (deps) {
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deps.forEach(value => {
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console.log(' -', value)
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})
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}
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console.log('')
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})
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}
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unpackInverseDeps.help =
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'List inversed dependencies in a browserify bundle'
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