fix: tsversion

package-lock.json

@@ -8857,9 +8857,9 @@
       }
     },
     "rxjs": {
-      "version": "6.2.1",
-      "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-6.2.1.tgz",
-      "integrity": "sha512-OwMxHxmnmHTUpgO+V7dZChf3Tixf4ih95cmXjzzadULziVl/FKhHScGLj4goEw9weePVOH2Q0+GcCBUhKCZc/g==",
+      "version": "6.5.5",
+      "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-6.5.5.tgz",
+      "integrity": "sha512-WfQI+1gohdf0Dai/Bbmk5L5ItH5tYqm3ki2c5GdWhKjalzjg93N3avFjVStyZZz+A2Em+ZxKH5bNghw9UeylGQ==",
       "requires": {
         "tslib": "^1.9.0"
       }
@@ -10231,9 +10231,9 @@
       }
     },
     "typescript": {
-      "version": "3.2.4",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.2.4.tgz",
-      "integrity": "sha512-0RNDbSdEokBeEAkgNbxJ+BLwSManFy9TeXz8uW+48j/xhEXv1ePME60olyzw2XzUqUBNAYFeJadIqAgNqIACwg==",
+      "version": "3.1.6",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.1.6.tgz",
+      "integrity": "sha512-tDMYfVtvpb96msS1lDX9MEdHrW4yOuZ4Kdc4Him9oU796XldPYF/t2+uKoX0BBa0hXXwDlqYQbXY5Rzjzc5hBA==",
       "dev": true
     },
     "uglify-js": {

package.json

@@ -15,6 +15,7 @@
     "serve": "webpack-dev-server --config demo/webpack.config.js"
   },
   "main": "dist/index.js",
+  "module": "dist/index.js",
   "typings": "dist/index.d.ts",
   "license": "MIT",
   "repository": {
@@ -69,7 +70,7 @@
     "ts-helpers": "^1.1.1",
     "tslint": "^5.9.1",
     "tslint-microsoft-contrib": "^5.0.3",
-    "typescript": "~3.2.0",
+    "typescript": "~3.1.0",
     "webpack": "^3.11.0",
     "webpack-dev-server": "^2.11.1",
     "zone.js": "^0.8.20"