revert: TS to 3.4

package.json

@@ -128,7 +128,7 @@
         "tsconfig-paths": "^3.7.0",
         "tsconfig-paths-webpack-plugin": "^3.2.0",
         "tslint": "^5.18.0",
-        "typescript": "~3.5.3",
+        "typescript": "~3.4.5",
         "typescript-tslint-plugin": "^0.2.0",
         "uglify-js": "^2.8.29",
         "url-loader": "^1.1.2",

yarn.lock

@@ -12306,7 +12306,7 @@ typescript-tslint-plugin@^0.2.0:
     mock-require "^3.0.2"
     vscode-languageserver "^5.1.0"
 
-[email protected], typescript@^3.2.2, typescript@~3.5.3:
+[email protected], typescript@^3.2.2:
   version "3.5.3"
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.5.3.tgz#c830f657f93f1ea846819e929092f5fe5983e977"
   integrity sha512-ACzBtm/PhXBDId6a6sDJfroT2pOWt/oOnk4/dElG5G33ZL776N3Y6/6bKZJBFpd+b05F3Ct9qDjMeJmRWtE2/g==
@@ -12316,6 +12316,11 @@ typescript@^3.0.3, typescript@^3.4.5:
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.5.2.tgz#a09e1dc69bc9551cadf17dba10ee42cf55e5d56c"
   integrity sha512-7KxJovlYhTX5RaRbUdkAXN1KUZ8PwWlTzQdHV6xNqvuFOs7+WBo10TQUqT19Q/Jz2hk5v9TQDIhyLhhJY4p5AA==
 
+typescript@~3.4.5:
+  version "3.4.5"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.4.5.tgz#2d2618d10bb566572b8d7aad5180d84257d70a99"
+  integrity sha512-YycBxUb49UUhdNMU5aJ7z5Ej2XGmaIBL0x34vZ82fn3hGvD+bgrMrVDpatgz2f7YxUMJxMkbWxJZeAvDxVe7Vw==
+
 [email protected]:
   version "0.7.17"
   resolved "https://registry.yarnpkg.com/ua-parser-js/-/ua-parser-js-0.7.17.tgz#e9ec5f9498b9ec910e7ae3ac626a805c4d09ecac"