fix: remove go-platform dependency (#44)

Remove `go-platform` npm dependency due to no longer maintain. Migrate it into `go-platform.js` and require it in `download.js`

Fixes #40 

Co-authored-by: Alex Potsides <alex@achingbrain.net>

package.json

@@ -55,7 +55,6 @@
   },
   "dependencies": {
     "cachedir": "^2.3.0",
-    "go-platform": "^1.0.0",
     "got": "^11.7.0",
     "gunzip-maybe": "^1.4.2",
     "hasha": "^5.2.2",

src/download.js

@@ -13,8 +13,7 @@
     go-ipfs architecture: the architecture of the hardware this program is run from
     go-ipfs install path: './go-ipfs'
 */
-// @ts-ignore no types
-const goenv = require('go-platform')
+const goenv = require('./go-platform')
 const gunzip = require('gunzip-maybe')
 const got = require('got').default
 const path = require('path')

src/go-platform.js

@@ -0,0 +1,33 @@
+'use strict'
+
+function getGoOs () {
+  switch (process.platform) {
+    case "sunos":
+      return "solaris"
+    case "win32":
+      return "windows"
+  }
+
+  return process.platform
+}
+
+function getGoArch () {
+  switch (process.arch) {
+    case "ia32":
+      return "386"
+    case "x64":
+      return "amd64"
+    case "arm":
+      return "arm"
+    case "arm64":
+      return "arm64"
+  }
+
+  return process.arch
+}
+
+
+module.exports = {
+  GOOS: getGoOs(),
+  GOARCH: getGoArch()
+}