use typescript to resolve files referenced in 'include'

Author: christianscott

__tests__/fixtures/tsconfigs/includes/a.d.ts renamed to __tests__/fixtures/tsconfigs/decls/one.d.ts

@@ -0,0 +1,3 @@
+{
+    "include": ["./**/*.*"]
+}

__tests__/fixtures/tsconfigs/decls/tsconfig.json

@@ -0,0 +1,4 @@
+{
+    "extends": "../project/tsconfig.json",
+    "include": ["./**/*.*"]
+}

__tests__/fixtures/tsconfigs/project/a.ts renamed to __tests__/fixtures/tsconfigs/decls/two.d.ts

@@ -0,0 +1,3 @@
+{
+    "include": ["../decls/*.d.ts", "./**/*.*"]
+}

__tests__/fixtures/tsconfigs/project/nested/b.ts renamed to __tests__/fixtures/tsconfigs/extends/extends.ts

@@ -1,3 +1,3 @@
 {
-    "include": ["../includes/a.d.ts"]
+    "include": ["../decls/one.d.ts", "./**/*.*"]
 }