Remove highland as a dependency.

package-lock.json

@@ -19,7 +19,6 @@
         "download": "^8.0.0",
         "globby": "^11.0.2",
         "got": "^11.8.2",
-        "highland": "^2.13.5",
         "lodash": "^4.17.21",
         "meriyah": "^4.3.3",
         "minimist": "^1.2.6",
@@ -2515,14 +2514,6 @@
         "he": "bin/he"
       }
     },
-    "node_modules/highland": {
-      "version": "2.13.5",
-      "resolved": "https://registry.npmjs.org/highland/-/highland-2.13.5.tgz",
-      "integrity": "sha512-dn2flPapIIAa4BtkB2ahjshg8iSJtrJtdhEb9/oiOrS5HMQTR/GuhFpqJ+11YBdtnl3AwWKvbZd1Uxr8uAmA7A==",
-      "dependencies": {
-        "util-deprecate": "^1.0.2"
-      }
-    },
     "node_modules/http-cache-semantics": {
       "version": "3.8.1",
       "resolved": "https://registry.npmjs.org/http-cache-semantics/-/http-cache-semantics-3.8.1.tgz",
@@ -7186,14 +7177,6 @@
       "integrity": "sha512-F/1DnUGPopORZi0ni+CvrCgHQ5FyEAHRLSApuYWMmrbSwoN2Mn/7k+Gl38gJnR7yyDZk6WLXwiGod1JOWNDKGw==",
       "dev": true
     },
-    "highland": {
-      "version": "2.13.5",
-      "resolved": "https://registry.npmjs.org/highland/-/highland-2.13.5.tgz",
-      "integrity": "sha512-dn2flPapIIAa4BtkB2ahjshg8iSJtrJtdhEb9/oiOrS5HMQTR/GuhFpqJ+11YBdtnl3AwWKvbZd1Uxr8uAmA7A==",
-      "requires": {
-        "util-deprecate": "^1.0.2"
-      }
-    },
     "http-cache-semantics": {
       "version": "3.8.1",
       "resolved": "https://registry.npmjs.org/http-cache-semantics/-/http-cache-semantics-3.8.1.tgz",

package.json

@@ -54,7 +54,6 @@
     "download": "^8.0.0",
     "globby": "^11.0.2",
     "got": "^11.8.2",
-    "highland": "^2.13.5",
     "lodash": "^4.17.21",
     "meriyah": "^4.3.3",
     "minimist": "^1.2.6",

src/fs/bundle.ts

@@ -6,14 +6,19 @@ import { argv } from '../options'
 import { File } from 'resolve-dependencies'
 import MultiStream = require('multistream')
 const archiver: any = require('archiver')
-const highland: any = require('highland')
 
 function makeRelativeToZip(cwd: string, path: string) {
   return '/snapshot/' + relative(cwd, path)
 }
 
 export function toStream(content: Buffer | string) {
-  return highland([content])
+  const readable = new Readable({
+    read() {
+      this.push(content)
+      this.push(null)
+    },
+  })
+  return readable
 }
 export class Bundle {
   cwd: string
@@ -42,8 +47,11 @@ export class Bundle {
 
   public async toBuffer(): Promise<Buffer> {
     this.zip.finalize()
-    return await new Promise((resolve) =>
-      highland(this.zip).toArray((arr: Array<Buffer>) => resolve(Buffer.concat(arr)))
-    )
+    const zipData: Buffer[] = []
+    this.zip.on('data', (data: Buffer) => zipData.push(data))
+    return await new Promise((resolve, reject) => {
+      this.zip.on('error', (error: Error) => reject(error))
+      this.zip.on('end', () => resolve(Buffer.concat(zipData)))
+    })
   }
 }