6 files changed, 10 insertions, 21 deletions
diff --git a/packages/order-watcher/README.md b/packages/order-watcher/README.md
index d461dca8d..de64a70e7 100644
--- a/packages/order-watcher/README.md
+++ b/packages/order-watcher/README.md
@@ -48,28 +48,16 @@ yarn install
 
 ### Build
 
-If this is your **first** time building this package, you must first build **all** packages within the monorepo. This is because packages that depend on other packages located inside this monorepo are symlinked when run from **within** the monorepo. This allows you to make changes across multiple packages without first publishing dependent packages to NPM. To build all packages, run the following from the monorepo root directory:
+To build this package and all other monorepo packages that it depends on, run the following from the monorepo root directory:
 
 ```bash
-yarn lerna:rebuild
+PKG=@0xproject/order-watcher yarn build
 ```
 
 Or continuously rebuild on change:
 
 ```bash
-yarn dev
-```
-
-You can also build this specific package by running the following from within its directory:
-
-```bash
-yarn build
-```
-
-or continuously rebuild on change:
-
-```bash
-yarn build:watch
+PKG=@0xproject/order-watcher yarn watch
 ```
 
 ### Clean
diff --git a/packages/order-watcher/package.json b/packages/order-watcher/package.json
index 39162fd1e..50aaffd7f 100644
--- a/packages/order-watcher/package.json
+++ b/packages/order-watcher/package.json
@@ -12,9 +12,9 @@
     "main": "lib/src/index.js",
     "types": "lib/src/index.d.ts",
     "scripts": {
-        "build:watch": "tsc -w",
+        "watch": "tsc -w",
         "prebuild": "run-s clean generate_contract_wrappers",
-        "generate_contract_wrappers": "node ../abi-gen/lib/index.js --abis 'src/compact_artifacts/@(Exchange|Token|TokenTransferProxy|EtherToken).json' --template ../contract_templates/contract.handlebars --partials '../contract_templates/partials/**/*.handlebars' --output src/generated_contract_wrappers --backend ethers && prettier --write 'src/generated_contract_wrappers/**.ts'",
+        "generate_contract_wrappers": "abi-gen --abis 'src/compact_artifacts/@(Exchange|Token|TokenTransferProxy|EtherToken).json' --template ../contract_templates/contract.handlebars --partials '../contract_templates/partials/**/*.handlebars' --output src/generated_contract_wrappers --backend ethers && prettier --write 'src/generated_contract_wrappers/**.ts'",
         "lint": "tslint --project .",
         "test:circleci": "run-s test:coverage",
         "test": "run-s clean build run_mocha",
@@ -45,6 +45,7 @@
         "node": ">=6.0.0"
     },
     "devDependencies": {
+        "@0xproject/abi-gen": "^0.2.13",
         "@0xproject/sol-compiler": "^0.4.3",
         "@0xproject/dev-utils": "^0.4.1",
         "@0xproject/migrations": "^0.0.5",
diff --git a/packages/order-watcher/src/order_watcher/order_watcher.ts b/packages/order-watcher/src/order_watcher/order_watcher.ts
index 63f87b565..3c93d6293 100644
--- a/packages/order-watcher/src/order_watcher/order_watcher.ts
+++ b/packages/order-watcher/src/order_watcher/order_watcher.ts
@@ -377,7 +377,7 @@ export class OrderWatcher {
         }
         this._dependentOrderHashes[signedOrder.maker][zrxTokenAddress].add(orderHash);
     }
-    private _removeFromDependentOrderHashes(makerAddress: string, tokenAddress: string, orderHash: string) {
+    private _removeFromDependentOrderHashes(makerAddress: string, tokenAddress: string, orderHash: string): void {
         this._dependentOrderHashes[makerAddress][tokenAddress].delete(orderHash);
         if (this._dependentOrderHashes[makerAddress][tokenAddress].size === 0) {
             delete this._dependentOrderHashes[makerAddress][tokenAddress];
diff --git a/packages/order-watcher/src/utils/assert.ts b/packages/order-watcher/src/utils/assert.ts
index f96bcebc1..9e02f8bdc 100644
--- a/packages/order-watcher/src/utils/assert.ts
+++ b/packages/order-watcher/src/utils/assert.ts
@@ -12,7 +12,7 @@ import { isValidSignature } from '@0xproject/order-utils';
 
 export const assert = {
     ...sharedAssert,
-    isValidSignature(orderHash: string, ecSignature: ECSignature, signerAddress: string) {
+    isValidSignature(orderHash: string, ecSignature: ECSignature, signerAddress: string): void {
         const isValid = isValidSignature(orderHash, ecSignature, signerAddress);
         this.assert(isValid, `Expected order with hash '${orderHash}' to have a valid signature`);
     },
diff --git a/packages/order-watcher/test/global_hooks.ts b/packages/order-watcher/test/global_hooks.ts
index 88f202761..53b3ef545 100644
--- a/packages/order-watcher/test/global_hooks.ts
+++ b/packages/order-watcher/test/global_hooks.ts
@@ -5,7 +5,7 @@ import * as path from 'path';
 import { constants } from './utils/constants';
 import { provider } from './utils/web3_wrapper';
 
-before('migrate contracts', async function() {
+before('migrate contracts', async function(): Promise<void> {
     // HACK: Since the migrations take longer then our global mocha timeout limit
     // we manually increase it for this before hook.
     this.timeout(20000);
diff --git a/packages/order-watcher/test/utils/chai_setup.ts b/packages/order-watcher/test/utils/chai_setup.ts
index 078edd309..1a8733093 100644
--- a/packages/order-watcher/test/utils/chai_setup.ts
+++ b/packages/order-watcher/test/utils/chai_setup.ts
@@ -4,7 +4,7 @@ import ChaiBigNumber = require('chai-bignumber');
 import * as dirtyChai from 'dirty-chai';
 
 export const chaiSetup = {
-    configure() {
+    configure(): void {
         chai.config.includeStack = true;
         chai.use(ChaiBigNumber());
         chai.use(dirtyChai);