Update to TypeScript 2.1

package.json

@@ -15,8 +15,6 @@
     "test-spec": "ts-node node_modules/blue-tape/bin/blue-tape.js \"src/**/*.spec.ts\" | tap-diff",
     "test-cov": "ts-node node_modules/istanbul/lib/cli.js cover -e .ts --print none -x \"*.d.ts\" -x \"*.spec.ts\" node_modules/blue-tape/bin/blue-tape.js -- \"src/**/*.spec.ts\" | tap-diff",
     "test": "npm run build && npm run dependency-check && npm run test-cov && npm run lint",
-    "test-spec+lint": "npm run test-spec && npm run lint",
-    "watch": "onchange -w -i \"src/**/*.ts\" -e \"**/__test__/**\" -- npm run test-spec+lint",
     "bootstrap": "npm install shelljs && node scripts/bootstrap.js",
     "prepublish": "node scripts/prepublish.js"
   },
@@ -74,7 +72,7 @@
     "thenify": "^3.1.0",
     "throat": "^3.0.0",
     "touch": "^1.0.0",
-    "typescript": "^2.0.3",
+    "typescript": "^2.1.4",
     "xtend": "^4.0.0",
     "zip-object": "^0.1.0"
   },
@@ -84,7 +82,6 @@
     "dependency-check": "^2.5.1",
     "istanbul": "1.0.0-alpha.2",
     "nock": "^9.0.0",
-    "onchange": "3.0.2",
     "shelljs": "^0.7.0",
     "tap-diff": "^0.1.1",
     "ts-node": "^1.1.0",

src/lib/compile.ts

@@ -517,8 +517,10 @@ function stringifySourceFile (
       hasDefaultExport = hasDefaultExport || (node as ts.ExportSpecifier).name.getText() === 'default'
     }
 
-    hasExports = hasExports || !!(node.flags & ts.NodeFlags.Export)
-    hasDefaultExport = hasDefaultExport || !!(node.flags & ts.NodeFlags.Default)
+    const flags = ts.getCombinedModifierFlags(node)
+
+    hasExports = hasExports || !!(flags & ts.ModifierFlags.Export)
+    hasDefaultExport = hasDefaultExport || !!(flags & ts.ModifierFlags.Default)
 
     if (
       node.kind === ts.SyntaxKind.StringLiteral &&