fix(build): angular versions are not properly inserted

Fixes #470

Author: ThomasBurleson

build-config.js

@@ -4,8 +4,13 @@
  */
 const {join} = require('path');
 
+const package = require('./package.json');
+
 /** Current version of the project*/
-const buildVersion = require('./package.json').version;
+const buildVersion = package.version;
+
+/** Required Angular version for the project. */
+const angularVersion = package.dependencies['@angular/core'];
 
 /** License that will be placed inside of all created bundles. */
 const buildLicense = `/**
@@ -18,6 +23,7 @@ const buildLicense = `/**
 
 module.exports = {
   projectVersion: buildVersion,
+  angularVersion: angularVersion,
   projectDir: __dirname,
   packagesDir: join(__dirname, 'src'),
   outputDir: join(__dirname, 'dist'),

scripts/release/package.json

@@ -24,8 +24,8 @@
   },
   "homepage": "https://github.com/angular/flex-layout#readme",
   "peerDependencies": {
-    "@angular/core": "^4.0.0",
-    "@angular/common": "^4.0.0"
+    "@angular/core": "0.0.0-NG",
+    "@angular/common": "0.0.0-NG"
   },
   "dependencies": {
     "tslib": "^1.7.1"