fix support for node 4

Author: gucong3000

.eslintrc.json

@@ -7,6 +7,10 @@
 	"extends": [
 		"standard"
 	],
+	"parserOptions": {
+	"sourceType": "script",
+		"ecmaVersion": 2017
+	},
 	"root": true,
 	"rules": {
 		"prefer-arrow-callback": [

.travis.yml

@@ -1,14 +1,14 @@
 language: node_js
 dist: trusty
 node_js:
-  - "stable"
+  - stable
+  - 4
 
 install:
   - npm install --ignore-scripts
 
 script:
   - nyc npm run install
-  - "source ~/.bash_profile || source ~/.bashrc || source ~/.zshrc"
   - npm test
 
 after_script:

appveyor.yml

@@ -6,11 +6,12 @@ build: off
 environment:
   matrix:
     - nodejs_version: stable
+    - nodejs_version: 4
 
 # Install scripts. (runs after repo cloning)
 install:
   # install Node.js
-  - ps: Install-Product node $env:nodejs_version
+  - ps: Install-Product node $env:nodejs_version $env:platform
   # install modules
   - npm install --ignore-scripts
 

index.js

@@ -1,4 +1,4 @@
-
+'use strict';
 const config = require('./lib/config')(process.argv);
 Object.keys(config).forEach(key => {
 	process.env['npm_config_' + key] = config[key];

lib/cli.js

@@ -1,5 +1,5 @@
 #!/usr/bin/env node
-
+'use strict';
 const npmrc = require('./npmrc');
 const env = require('./env');
 const path = require('path');

lib/config.js

@@ -1,4 +1,4 @@
-
+'use strict';
 function getConf (argv) {
 	const npmrc = {
 		registry: 'http://registry.npm.taobao.org',

lib/env.js

@@ -1,4 +1,4 @@
-
+'use strict';
 const path = require('path');
 const os = require('os');
 const exec = (require('util').promisify || require('util.promisify'))(require('child_process').execFile);

lib/install.js

@@ -1,4 +1,4 @@
-
+'use strict';
 const npmrc = require('./npmrc');
 const env = require('./env');
 

lib/npmrc.js

@@ -1,4 +1,4 @@
-
+'use strict';
 const fs = require('fs-extra');
 const config = require('./config');
 

test/index.js

@@ -1,10 +1,16 @@
-
+'use strict';
 const assert = require('assert');
+const path = require('path');
+const os = require('os');
+// const fs = require('fs');
 const util = require('util');
+
 if (!util.promisify) {
 	util.promisify = require('util.promisify');
 }
+
 const exec = util.promisify(require('child_process').execFile);
+const readFile = util.promisify(require('fs').readFile);
 
 describe('environment variables', () => {
 	before(() => {
@@ -14,6 +20,22 @@ describe('environment variables', () => {
 					process.env[key] = value;
 				});
 			});
+		} else {
+			const home = os.homedir();
+			const files = [
+				'.bash_profile',
+				'.bashrc',
+				'.zshrc'
+			].map(
+				file => path.join(home, file)
+			);
+			return Promise.all(files.map(file => {
+				return readFile(file, 'utf8').then(sh => {
+					sh.replace(/^export\s+(.+?)=("|')?(.+?)\2\s*$/igm, (s, key, quote, value) => {
+						process.env[key] = value;
+					});
+				}, () => {});
+			}));
 		}
 	});