react-native link calls into rnpm

Summary:
An initial integration of rnpm into 'react-native link'.

**Test plan (required)**

    react-native init MyApp
    cd MyApp
    # copied local-cli into MyApp's node_modules
    npm install --save react-native-vector-icons
    react-native link react-native-vector-icons

The link code ran, Android build files were modified.
Closes https://github.com/facebook/react-native/pull/7895

Reviewed By: bestander

Differential Revision: D3379197

Pulled By: mkonicek

fbshipit-source-id: 597158623ed072d7a7fc55a01624233a0f79de23

local-cli/cliEntry.js

@@ -15,6 +15,7 @@ const defaultConfig = require('./default.config');
 const dependencies = require('./dependencies/dependencies');
 const generate = require('./generate/generate');
 const library = require('./library/library');
+const link = require('./rnpm/link/src/link');
 const path = require('path');
 const Promise = require('promise');
 const runAndroid = require('./runAndroid/runAndroid');
@@ -29,6 +30,14 @@ const version = require('./version/version');
 const fs = require('fs');
 const gracefulFs = require('graceful-fs');
 
+// Just a helper to proxy 'react-native link' to rnpm
+const linkWrapper = (args, config) => {
+  const rnpmConfig = require('./rnpm/core/src/config');
+  return new Promise((resolve, reject) => {
+    link(rnpmConfig, args.slice(1)).then(resolve, reject);
+  });
+}
+
 // graceful-fs helps on getting an error when we run out of file
 // descriptors. When that happens it will enqueue the operation and retry it.
 gracefulFs.gracefulify(fs);
@@ -42,7 +51,8 @@ const documentedCommands = {
   'run-android': [runAndroid, 'builds your app and starts it on a connected Android emulator or device'],
   'run-ios': [runIOS, 'builds your app and starts it on iOS simulator'],
   'upgrade': [upgrade, 'upgrade your app\'s template files to the latest version; run this after ' +
-                       'updating the react-native version in your package.json and running npm install']
+                       'updating the react-native version in your package.json and running npm install'],
+  'link': [linkWrapper, 'link a library'],
 };
 
 const exportedCommands = {dependencies: dependencies};

local-cli/rnpm/link/src/android/patches/applyParams.js

@@ -1,4 +1,4 @@
-const toCamelCase = require('to-camel-case');
+const toCamelCase = require('lodash').camelCase;
 
 module.exports = function applyParams(str, params, prefix) {
   return str.replace(

local-cli/rnpm/link/src/android/patches/makeStringsPatch.js

@@ -1,4 +1,4 @@
-const toCamelCase = require('to-camel-case');
+const toCamelCase = require('lodash').camelCase;
 
 module.exports = function makeStringsPatch(params, prefix) {
   const patch = Object.keys(params).map(param => {

local-cli/rnpm/link/src/android/unregisterNativeModule.js

@@ -1,7 +1,7 @@
 const fs = require('fs');
 const getReactVersion = require('../getReactNativeVersion');
 const getPrefix = require('./getPrefix');
-const toCamelCase = require('to-camel-case');
+const toCamelCase = require('lodash').camelCase;
 
 const revokePatch = require('./patches/revokePatch');
 const makeSettingsPatch = require('./patches/makeSettingsPatch');

package.json

@@ -150,20 +150,26 @@
     "event-target-shim": "^1.0.5",
     "fbjs": "^0.8.3",
     "fbjs-scripts": "^0.7.0",
+    "fs-extra": "^0.26.2",
+    "glob": "^5.0.15",
     "graceful-fs": "^4.1.3",
     "image-size": "^0.3.5",
     "immutable": "~3.7.6",
+    "inquirer": "^0.12.0",
     "joi": "^6.6.1",
     "json-stable-stringify": "^1.0.1",
     "json5": "^0.4.0",
     "jstransform": "^11.0.3",
     "lodash": "^3.10.1",
+    "mime": "^1.3.4",
     "mkdirp": "^0.5.1",
     "module-deps": "^3.9.1",
     "node-fetch": "^1.3.3",
     "node-haste": "~2.12.0",
+    "npmlog": "^2.0.4",
     "opn": "^3.0.2",
     "optimist": "^0.6.1",
+    "plist": "^1.2.0",
     "progress": "^1.1.8",
     "promise": "^7.1.1",
     "react-clone-referenced-element": "^1.0.1",
@@ -180,6 +186,8 @@
     "wordwrap": "^1.0.0",
     "worker-farm": "^1.3.1",
     "ws": "^0.8.0",
+    "xcode": "^0.8.2",
+    "xmldoc": "^0.4.0",
     "yargs": "^3.24.0",
     "yeoman-environment": "^1.2.7",
     "yeoman-generator": "^0.20.3"