compress2.js

const fs = require('fs')
const JSONC = require('jsoncomp')
const perf = require('execution-time')
const sizeof = require('object-sizeof')
const _ = require('lodash')
const CJSON  = require('compress-json')

const file = './june.loc.json'
let data = fs.readFileSync(file, 'utf-8')
data = JSON.parse(data)
const orgSize = sizeof(data)

console.info('Processing for: ', file)
console.info('Original data has: ', orgSize)


console.info('----------------------------')
console.info('Process with jsoncomp')

let timer1 = perf()
timer1.start()
let compressed = JSONC.compress(data)
let timer1Results = timer1.stop()
let comSize =  sizeof(compressed)
console.info('Completed in: ', `${timer1Results.time.toFixed(2)}ms`)
console.info('Compressed size:', comSize, `${((orgSize - comSize) / orgSize * 100).toFixed(2)}%`)

let decompressed = JSONC.decompress(compressed)
console.info('Decompressed size:', sizeof(decompressed))
console.info('Same as original:', _.isEqual(data, decompressed))


console.info('----------------------------')
console.info('Process with compressed-json')
timer1 = perf()
timer1.start()
compressed = CJSON.compress(data)
timer1Results = timer1.stop()
comSize =  sizeof(compressed)

console.info('Completed in: ', `${timer1Results.time.toFixed(2)}ms`)
console.info('Compressed size:', comSize, `${((orgSize - comSize) / orgSize * 100).toFixed(2)}%`)

decompressed = CJSON.decompress(compressed)
console.info('Decompressed size:', sizeof(decompressed))
console.info('Same as original:', _.isEqual(data,decompressed))

package.json

{
  "name": "compress_json_test",
  "version": "1.0.0",
  "main": "index.js",
  "license": "MIT",
  "dependencies": {
    "bytes": "^3.1.0",
    "compress-json": "^1.0.4",
    "execution-time": "^1.4.1",
    "gzip-js": "^0.3.2",
    "jsoncomp": "^1.6.1",
    "lodash": "^4.17.21",
    "object-sizeof": "^1.6.1"
  }
}

result-jun.txt

$ node --stack-size=65500 compress2.js 
Processing for:  ./june.loc.json
Original data has:  2591266
----------------------------
Process with jsoncomp
Completed in:  3237.99ms
Compressed size: 2217968 14.41%
Decompressed size: 2604370
Same as original: false
----------------------------
Process with compressed-json
Completed in:  77.82ms
Compressed size: 1516072 41.49%
Decompressed size: 2591266
Same as original: true

result-virtualstore.txt

node --stack-size=65500 compress2.js 
Processing for:  ./virtualstore.json
Original data has:  264166
----------------------------
Process with jsoncomp
Completed in:  116.57ms
Compressed size: 210522 20.31%
Decompressed size: 264732
Same as original: false
----------------------------
Process with compressed-json
Completed in:  24.36ms
Compressed size: 150468 43.04%
Decompressed size: 264166
Same as original: true