fix(global-prefix): remove global-prefix package

* The global-prefix package is not supported anymore

packages/amplify-cli/package.json

@@ -87,7 +87,6 @@
     "folder-hash": "^4.0.2",
     "fs-extra": "^8.1.0",
     "glob": "^7.2.0",
-    "global-prefix": "^3.0.0",
     "graphql": "^15.5.0",
     "graphql-transformer-core": "^7.6.7",
     "gunzip-maybe": "^1.4.2",
@@ -114,7 +113,6 @@
     "@types/folder-hash": "^4.0.1",
     "@types/fs-extra": "^8.0.1",
     "@types/glob": "^7.1.1",
-    "@types/global-prefix": "^3.0.0",
     "@types/gunzip-maybe": "^1.4.0",
     "@types/node": "^12.12.6",
     "@types/node-fetch": "^2.6.1",

packages/amplify-cli/src/utils/global-prefix.ts

@@ -1,12 +1,16 @@
 import * as os from 'os';
 import * as path from 'path';
-import globalNpmPrefix from 'global-prefix';
+import * as fs from 'fs-extra';
+import * as ini from 'ini';
+import * as which from 'which';
 
 export function getGlobalNodeModuleDirPath() {
   const yarnPrefix = getYarnPrefix();
   if (__dirname.includes(yarnPrefix)) {
     return path.join(yarnPrefix, 'node_modules');
   }
+
+  const globalNpmPrefix = getGlobalNpmPrefix();
   if (process.platform === 'win32') {
     return path.join(globalNpmPrefix, 'node_modules');
   }
@@ -21,3 +25,62 @@ function getYarnPrefix() {
   }
   return yarnPrefix;
 }
+
+// NOTE: This issue: https://github.com/jonschlinkert/global-prefix/issues/30 prevents us from using the global-prefix package
+function getGlobalNpmPrefix() {
+  // System-wide prefix
+  if (process.env.PREFIX) return process.env.PREFIX;
+
+  // $HOME variable
+  const homeDirPath = os.homedir();
+  if (homeDirPath) {
+    const prefix = tryConfigPath(path.resolve(homeDirPath, '.npmrc'));
+    if (prefix) return prefix;
+  }
+
+  // Find global NPM path
+  const npmPath = tryWhich('npm');
+  if (npmPath) {
+    // Check the built-in npm config file
+    const prefix = tryConfigPath(path.resolve(npmPath, '..', '..', 'npmrc'));
+    if (prefix) {
+      // Custom npm config ?
+      const globalPrefix = tryConfigPath(path.resolve(prefix, 'etc', 'npmrc')) || prefix;
+      if (globalPrefix) return globalPrefix;
+    }
+  }
+
+  const nodePath = tryWhich('node') // Search for Node's global executable
+  if (nodePath) {
+    const { APPDATA, DESTDIR, OSTYPE } = process.env;
+
+    // Windows
+    // c:\node\node.exe --> prefix=c:\node\
+    if (process.platform === 'win32' || OSTYPE === 'msys' || OSTYPE === 'cygwin') {
+      return APPDATA ? path.join(APPDATA, 'npm') : path.dirname(nodePath);
+    }
+
+    // UNIX
+    // /usr/local/bin/node --> prefix=/usr/local
+    const prefix = path.dirname(path.dirname(nodePath));
+    if (DESTDIR) {
+      return path.join(DESTDIR, prefix);
+    }
+
+    return prefix;
+  }
+
+  return '';
+}
+
+function tryWhich(exec) {
+  try {
+    return fs.realpathSync(which.sync(exec));
+  } catch (err) { /* do nothing */ }
+}
+
+function tryConfigPath(configPath) {
+  try {
+    return ini.parse(fs.readFileSync(configPath, 'utf-8')).prefix;
+  } catch (err) { /* do nothing */ }
+}

yarn.lock

@@ -8607,11 +8607,6 @@
     "@types/minimatch" "*"
     "@types/node" "*"
 
-"@types/global-prefix@^3.0.0":
-  version "3.0.0"
-  resolved "https://registry.npmjs.org/@types/global-prefix/-/global-prefix-3.0.0.tgz#153c4534331e0dcb73a78e83b77668af1c274a9d"
-  integrity sha512-qkgDK8cbId7LPdNchNaBhTduJehCUwEFlKhORd3yLE+RPyKeJXtZu8doBTEOCEFkchyfAb6cbL/li486pCGY4w==
-
 "@types/graceful-fs@^4.1.2":
   version "4.1.5"
   resolved "https://registry.npmjs.org/@types/graceful-fs/-/graceful-fs-4.1.5.tgz#21ffba0d98da4350db64891f92a9e5db3cdb4e15"