fix: Added support for installing web-ext on npm 2.x

Author: kumar303

.travis.yml

@@ -8,7 +8,11 @@ before_install:
 - git remote set-branches origin master && git fetch
 - git checkout master
 - git checkout -
-- npm install -g npm
+# On 0.12, we want to test with the default version of npm, otherwise
+# upgrade to the latest.
+- if [[ ${TRAVIS_NODE_VERSION:0:1} -gt "0" ]]; then
+    npm install -g npm;
+  fi
 script:
 - COVERAGE=y npm test
 # Run changelog-lint but only on newer versions of Node (because of syntax errors)

README.md

@@ -19,24 +19,13 @@ cross-platform way. Initially, it will provide a streamlined experience for deve
 
 ## Installation from npm
 
-First, make sure your `npm` is up to date.
-You will need npm greater than version `3.0.0`:
-
-    npm install --global npm
-
-If you're on Windows, you will also need to
-[follow these instructions](https://github.com/npm/npm/wiki/Troubleshooting#upgrading-on-windows)
-after upgrading npm.
-
-Install `web-ext`:
-
     npm install --global web-ext
 
 ## Installation from source
 
 You'll need:
 * [Node.js](https://nodejs.org/en/), 0.12 or higher
-* [npm](https://www.npmjs.com/), 3.0.0 or higher
+* [npm](https://www.npmjs.com/), 3.0.0 or higher is recommended
 
 Optionally, you may like:
 * [nvm](https://github.com/creationix/nvm), which helps manage node versions
@@ -46,10 +35,6 @@ you may need to uninstall it first:
 
     npm uninstall --global web-ext
 
-Make sure `npm` is up to date:
-
-    npm install --global npm
-
 Change into the source and install all dependencies:
 
     git clone https://github.com/mozilla/web-ext.git

package.json

@@ -52,7 +52,7 @@
     "minimatch": "3.0.2",
     "mz": "2.4.0",
     "node-firefox-connect": "1.2.0",
-    "sign-addon": "0.1.1",
+    "sign-addon": "0.1.2",
     "source-map-support": "0.4.2",
     "stream-to-promise": "2.1.1",
     "tmp": "0.0.28",

src/cmd/sign.js

@@ -1,6 +1,6 @@
 /* @flow */
 import path from 'path';
-import fs from 'mz/fs';
+import {fs} from 'mz';
 import {signAddon as defaultAddonSigner} from '../util/es6-modules';
 
 import defaultBuilder from './build';

src/firefox/index.js

@@ -5,7 +5,7 @@ import defaultFxRunner from 'fx-runner/lib/run';
 import FirefoxProfile, {copyFromUserProfile as defaultUserProfileCopier}
   from 'firefox-profile';
 import streamToPromise from 'stream-to-promise';
-import fs from 'mz/fs';
+import {fs} from 'mz';
 
 import isDirectory from '../util/is-directory';
 import {promisify} from '../util/es6-modules';

src/util/artifacts.js

@@ -1,5 +1,5 @@
 /* @flow */
-import fs from 'mz/fs';
+import {fs} from 'mz';
 import {WebExtError, onlyErrorsWithCode} from '../errors';
 import {createLogger} from './logger';
 

src/util/is-directory.js

@@ -1,5 +1,5 @@
 /* @flow */
-import fs from 'mz/fs';
+import {fs} from 'mz';
 import {onlyErrorsWithCode} from '../errors';
 
 

src/util/manifest.js

@@ -1,7 +1,7 @@
 /* @flow */
 import path from 'path';
 
-import fs from 'mz/fs';
+import {fs} from 'mz';
 import {InvalidManifest} from '../errors';
 import {createLogger} from './logger';
 

tests/test-cmd/test.build.js

@@ -1,5 +1,5 @@
 /* @flow */
-import fs from 'mz/fs';
+import {fs} from 'mz';
 import path from 'path';
 import {it, describe} from 'mocha';
 import {assert} from 'chai';

tests/test-cmd/test.sign.js

@@ -1,7 +1,7 @@
 /* @flow */
 import path from 'path';
 import copyDir from 'copy-dir';
-import fs from 'mz/fs';
+import {fs} from 'mz';
 import {describe, it} from 'mocha';
 import {assert} from 'chai';
 import sinon from 'sinon';