fix(angular): A hack to force the Angular compiler to import from module index

Closes ui-router/angular#216

Author: christopherthielen

package.json

@@ -4,7 +4,7 @@
   "version": "5.0.17",
   "scripts": {
     "clean": "shx rm -rf lib lib-esm _bundles",
-    "compile": "npm run clean && tsc && tsc -m es6 --outDir lib-esm",
+    "compile": "npm run clean && tsc && tsc -m es6 --outDir lib-esm && shx cp src/*.json lib",
     "build": "run-s compile fixdts bundle fixmaps:*",
     "bundle": "rollup -c && rollup -c --environment MINIFY",
     "fixdts": "dts-downlevel 'lib/**/*.d.ts' 'lib-esm/**/*.d.ts'",

src/index.metadata.json

@@ -0,0 +1,8 @@
+{
+  "comment": "This forces angular compiler to import from @uirouter/core, instead of deep imports into @uirouter/core/lib",
+  "importAs" : "@uirouter/core",
+  "__symbolic" : "module",
+  "version" : 3,
+  "metadata": {},
+  "exports": []
+}