Include web3 types via typeRoots and factor out common parts of tsconfig.json

packages/0x.js/package.json

@@ -78,7 +78,7 @@
         "typedoc": "~0.8.0",
         "typescript": "~2.6.1",
         "web3-provider-engine": "^13.0.1",
-        "web3-typescript-typings": "^0.7.2",
+        "web3-typescript-typings": "^0.9.0",
         "webpack": "^3.1.0"
     },
     "dependencies": {

packages/0x.js/src/0x.ts

@@ -213,12 +213,17 @@ export class ZeroEx {
      * @param   networkId   The id of the network your provider is connected to
      */
     public setProvider(provider: Web3Provider, networkId: number): void {
-        this._web3Wrapper.setProvider(provider, networkId);
+        this._web3Wrapper.setProvider(provider);
         (this.exchange as any)._invalidateContractInstances();
+        (this.exchange as any)._setNetworkId(networkId);
         (this.tokenRegistry as any)._invalidateContractInstance();
+        (this.tokenRegistry as any)._setNetworkId(networkId);
         (this.token as any)._invalidateContractInstances();
+        (this.token as any)._setNetworkId(networkId);
         (this.proxy as any)._invalidateContractInstance();
+        (this.proxy as any)._setNetworkId(networkId);
         (this.etherToken as any)._invalidateContractInstance();
+        (this.etherToken as any)._setNetworkId(networkId);
     }
     /**
      * Get user Ethereum addresses available through the supplied web3 provider available for sending transactions.

packages/0x.js/src/contract_wrappers/contract_wrapper.ts

@@ -177,6 +177,9 @@ export class ContractWrapper {
             this._onLogStateChanged.bind(this, isRemoved),
         );
     }
+    private _setNetworkId(networkId: number): void {
+        this._networkId = networkId;
+    }
     private _stopBlockAndLogStream(): void {
         if (_.isUndefined(this._blockAndLogStreamerIfExists)) {
             throw new Error(ZeroExError.SubscriptionNotFound);

packages/0x.js/tsconfig.json

@@ -1,21 +1,14 @@
 {
+    "extends": "../../tsconfig",
     "compilerOptions": {
-        "module": "commonjs",
-        "target": "es5",
-        "lib": ["es2015", "dom"],
         "outDir": "lib",
-        "sourceMap": true,
-        "declaration": true,
-        "noImplicitAny": true,
-        "experimentalDecorators": true,
-        "strictNullChecks": true
+        "strict": false
     },
     "include": [
         "./src/**/*",
         "./test/**/*",
         "../../node_modules/types-bn/index.d.ts",
         "../../node_modules/types-ethereumjs-util/index.d.ts",
-        "../../node_modules/web3-typescript-typings/index.d.ts",
         "../../node_modules/chai-typescript-typings/index.d.ts",
         "../../node_modules/chai-as-promised-typescript-typings/index.d.ts"
     ]