depreciate jszip w/ native zlib compression

package.json

@@ -43,7 +43,6 @@
     "graphql": "^15.5.1",
     "idb": "^6.0.0",
     "jspdf": "^1.5.3",
-    "jszip": "^3.5.0",
     "lodash": "^4.17.21",
     "node-fetch": "^2.6.1",
     "numbro": "^2.3.2",

scripts/helpers/download.js

@@ -1,24 +1,14 @@
 import fs from 'fs'
-import Jszip from 'jszip'
+import zlib from 'zlib'
 import Web3 from 'web3'
+
 import networkConfig from '../../networkConfig'
 
-const jszip = new Jszip()
-
 export async function download({ name, directory, contentType }) {
-  const path = `${directory}${name}.zip`.toLowerCase()
+  const path = `${directory}${name}.gz`.toLowerCase()
 
   const data = fs.readFileSync(path)
-  const zip = await jszip.loadAsync(data)
-
-  const file = zip.file(
-    path
-      .replace(directory, '')
-      .slice(0, -4)
-      .toLowerCase()
-  )
-
-  const content = await file.async(contentType)
+  const content = zlib.inflateSync(data)
 
   return content
 }

scripts/helpers/save.js

@@ -1,33 +1,19 @@
 import fs from 'fs'
-import Jszip from 'jszip'
-
-const compressionConfig = {
-  type: "nodebuffer",
-  compression: "DEFLATE",
-  compressionOptions: {
-    level: 9
-  }
-}
-
-const fileConfig = {
-    binary: true,
-    compression: "DEFLATE"
-}
+import zlib from 'zlib'
 
 export async function save(filePath) {
-  const jszip = new Jszip()
   const directories = filePath.split('/')
   const fileName = directories[directories.length - 1]
 
   try {
     const data = fs.readFileSync(`${filePath}`)
 
-    await jszip.file(`${fileName}`, data, fileConfig)
-    await jszip.generateNodeStream({
-      ...compressionConfig,
-      streamFiles: true
+    const payload = await zlib.deflateSync(data, {
+      level: zlib.constants.Z_BEST_COMPRESSION,
+      strategy: zlib.constants.Z_FILTERED
     })
-    .pipe(fs.createWriteStream(`${filePath}.zip`))
+
+    fs.writeFileSync(`${filePath}.gz`, payload)
 
     return true
   } catch (err) {

scripts/updateTree.js

@@ -45,7 +45,7 @@ function createTreeZip(netId) {
 
         treesFolder.forEach((fileName) => {
           fileName = `${TREES_PATH}${fileName}`
-          const isInstanceFile = !fileName.includes('.zip') && fileName.includes(baseFilename)
+          const isInstanceFile = !fileName.includes('.gz') && fileName.includes(baseFilename)
 
           if (isInstanceFile) {
             save(fileName)

services/events.js

@@ -123,7 +123,7 @@ class EventService {
 
       const module = await download({
         contentType: 'string',
-        name: `events/${instanceName}.json.zip`
+        name: `events/${instanceName}.json.gz`
       })
 
       if (module) {