fix(providers):fix types of mitt and build script

.travis.yml

@@ -7,9 +7,8 @@ branches:
   except:
     - /^v[0-9]/
 install:
-  - yarn install
-script:
   - yarn bootstrap
+script:
   - yarn test:src
   - yarn dist
   - yarn docs:gitbook # generate docs to ghpage

package.json

@@ -101,7 +101,6 @@
     "jest-watch-typeahead": "^0.2.0",
     "jsdoc": "^3.6.3",
     "lerna": "^3.2.1",
-    "mitt": "^1.1.3",
     "mkdirp": "^0.5.1",
     "prettier": "^1.18.2",
     "prettier-plugin-solidity": "^1.0.0-alpha.22",

packages/harmony-network/package.json

@@ -20,7 +20,7 @@
   "dependencies": {
     "@harmony-js/utils": "0.1.28",
     "cross-fetch": "^3.0.2",
-    "mitt": "^1.1.3",
+    "mitt": "1.2.0",
     "websocket": "^1.0.28"
   },
   "gitHead": "775e2ba36924fcffd8d2c0b73587b549ed90bb81"

packages/harmony-network/src/providers/baseSocket.ts

@@ -34,7 +34,7 @@ class BaseSocket extends BaseProvider {
       throw new Error(`${url} is not websocket`);
     }
     this.url = url;
-    this.emitter = new mitt(this.handlers);
+    this.emitter = mitt(this.handlers);
   }
   resetHandlers() {
     // tslint:disable-next-line: forin

packages/harmony-network/src/providers/emitter.ts

@@ -10,7 +10,7 @@ class Emitter {
   reject?: any;
   then?: any;
   constructor() {
-    this.emitter = new mitt(this.handlers);
+    this.emitter = mitt(this.handlers);
     this.off = this.emitter.off.bind(this);
     this.emit = this.emitter.emit.bind(this);
     // tslint:disable-next-line: no-empty