Support Typescript 3 (immutable-js#1593)

leebyron · web-flow · commit 73a988673897 · 2018-09-18T13:19:57.000-07:00
Fixes immutable-js#1577 Fixes immutable-js#1539
diff --git a/package.json b/package.json
@@ -101,7 +101,7 @@
     "through2": "2.0.3",
     "transducers-js": "^0.4.174",
     "tslint": "5.7.0",
-    "typescript": "2.5.3",
+    "typescript": "3.0.3",
     "uglify-js": "2.8.11",
     "uglify-save-license": "0.4.1",
     "vinyl-buffer": "1.0.1",
diff --git a/type-definitions/Immutable.d.ts b/type-definitions/Immutable.d.ts
@@ -2440,7 +2440,7 @@ declare module Immutable {
 
     // Reading values
 
-    has(key: string): key is keyof TProps;
+    has(key: string): key is keyof TProps & string;
 
     /**
      * Returns the value associated with the provided key, which may be the
diff --git a/yarn.lock b/yarn.lock
@@ -7050,9 +7050,9 @@ typedarray@^0.0.6, typedarray@~0.0.5:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
 
-typescript@2.5.3:
-  version "2.5.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.5.3.tgz#df3dcdc38f3beb800d4bc322646b04a3f6ca7f0d"
+typescript@3.0.3:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.0.3.tgz#4853b3e275ecdaa27f78fda46dc273a7eb7fc1c8"
 
 ua-parser-js@0.7.17:
   version "0.7.17"
