use zip instead of json

apps/remix-ide/src/app/ui/landing-page/landing-page.js

@@ -1,6 +1,8 @@
 import * as packageJson from '../../../../../../package.json'
 import { ViewPlugin } from '@remixproject/engine-web'
 import { migrateToWorkspace } from '../../../migrateFileSystem'
+import JSZip from "jszip"
+import { fips } from 'crypto'
 
 const yo = require('yo-yo')
 const csjs = require('csjs-inject')
@@ -301,13 +303,9 @@ export class LandingPage extends ViewPlugin {
       this.call('fileExplorers', 'createNewFile')
     }
 
-    const downloadFiles = async () => {
-      try {
-        const fileProviders = globalRegistry.get('fileproviders').api
-        const json = await fileProviders.browser.copyFolderToJson('/')
-        const blob = new Blob([JSON.stringify(json, null, '\t')], { type: 'text/plain;charset=utf-8' })
+    const saveAs = (blob, name) => {
       const node = document.createElement('a')
-        node.download = 'remix.json'
+      node.download = name
       node.rel = 'noopener'
       node.href = URL.createObjectURL(blob)
       setTimeout(function () { URL.revokeObjectURL(node.href) }, 4E4) // 40s
@@ -316,10 +314,26 @@ export class LandingPage extends ViewPlugin {
           node.dispatchEvent(new MouseEvent('click'))
         } catch (e) {
           var evt = document.createEvent('MouseEvents')
-            evt.initMouseEvent('click', true, true, window, 0, 0, 0, 80, 20, false, false, false, false, 0, null)
+          evt.initMouseEvent('click', true, true, window, 0, 0, 0, 80,
+            20, false, false, false, false, 0, null)
           node.dispatchEvent(evt)
         }
       }, 0) // 40s
+    }
+
+    const downloadFiles = async () => {
+      try {
+        const fileProviders = globalRegistry.get('fileproviders').api
+        const zip = new JSZip()
+        await fileProviders.browser.copyFolderToJson('/', ({ path, content }) => {
+          zip.file(path, content)
+        })
+        zip.generateAsync({type:"blob"})
+        .then(function (blob) {
+          saveAs(blob, "remix.zip");
+        }).catch((e) => {
+          tooltip(e.message)
+        })
       } catch (e) {
         tooltip(e.message)
       }

package-lock.json

@@ -24165,6 +24165,51 @@
         "object.assign": "^4.1.0"
       }
     },
+    "jszip": {
+      "version": "3.6.0",
+      "resolved": "https://registry.npmjs.org/jszip/-/jszip-3.6.0.tgz",
+      "integrity": "sha512-jgnQoG9LKnWO3mnVNBnfhkh0QknICd1FGSrXcgrl67zioyJ4wgx25o9ZqwNtrROSflGBCGYnJfjrIyRIby1OoQ==",
+      "requires": {
+        "lie": "~3.3.0",
+        "pako": "~1.0.2",
+        "readable-stream": "~2.3.6",
+        "set-immediate-shim": "~1.0.1"
+      },
+      "dependencies": {
+        "isarray": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
+          "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE="
+        },
+        "readable-stream": {
+          "version": "2.3.7",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.7.tgz",
+          "integrity": "sha512-Ebho8K4jIbHAxnuxi7o42OrZgF/ZTNcsZj6nRKyUmkhLFq8CHItp/fy6hQZuZmP/n3yZ9VBUbp4zz/mX8hmYPw==",
+          "requires": {
+            "core-util-is": "~1.0.0",
+            "inherits": "~2.0.3",
+            "isarray": "~1.0.0",
+            "process-nextick-args": "~2.0.0",
+            "safe-buffer": "~5.1.1",
+            "string_decoder": "~1.1.1",
+            "util-deprecate": "~1.0.1"
+          }
+        },
+        "safe-buffer": {
+          "version": "5.1.2",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
+          "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
+        },
+        "string_decoder": {
+          "version": "1.1.1",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+          "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
+          "requires": {
+            "safe-buffer": "~5.1.0"
+          }
+        }
+      }
+    },
     "just-debounce": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/just-debounce/-/just-debounce-1.0.0.tgz",
@@ -24722,6 +24767,21 @@
         "webpack-sources": "^1.2.0"
       }
     },
+    "lie": {
+      "version": "3.3.0",
+      "resolved": "https://registry.npmjs.org/lie/-/lie-3.3.0.tgz",
+      "integrity": "sha512-UaiMJzeWRlEujzAuw5LokY1L5ecNQYZKfmyZ9L7wDHb/p5etKaxXhohBcrw0EYby+G/NA52vRSN4N39dxHAIwQ==",
+      "requires": {
+        "immediate": "~3.0.5"
+      },
+      "dependencies": {
+        "immediate": {
+          "version": "3.0.6",
+          "resolved": "https://registry.npmjs.org/immediate/-/immediate-3.0.6.tgz",
+          "integrity": "sha1-nbHb0Pr43m++D13V5Wu2BigN5ps="
+        }
+      }
+    },
     "liftoff": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/liftoff/-/liftoff-3.1.0.tgz",
@@ -33929,8 +33989,7 @@
     "pako": {
       "version": "1.0.11",
       "resolved": "https://registry.npmjs.org/pako/-/pako-1.0.11.tgz",
-      "integrity": "sha512-4hLB8Py4zZce5s4yd9XzopqwVv/yGNhV1Bl8NTmCq1763HeK2+EwVTv+leGeL13Dnh2wfbqowVPXCIO0z4taYw==",
-      "dev": true
+      "integrity": "sha512-4hLB8Py4zZce5s4yd9XzopqwVv/yGNhV1Bl8NTmCq1763HeK2+EwVTv+leGeL13Dnh2wfbqowVPXCIO0z4taYw=="
     },
     "parallel-transform": {
       "version": "1.2.0",
@@ -37502,6 +37561,11 @@
       "integrity": "sha1-BF+XgtARrppoA93TgrJDkrPYkPc=",
       "dev": true
     },
+    "set-immediate-shim": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/set-immediate-shim/-/set-immediate-shim-1.0.1.tgz",
+      "integrity": "sha1-SysbJ+uAip+NzEgaWOXlb1mfP2E="
+    },
     "set-value": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/set-value/-/set-value-2.0.1.tgz",

package.json

@@ -153,6 +153,7 @@
     "fs-extra": "^3.0.1",
     "http-server": "^0.11.1",
     "isbinaryfile": "^3.0.2",
+    "jszip": "^3.6.0",
     "merge": "^1.2.0",
     "npm-install-version": "^6.0.2",
     "react": "16.13.1",