Appease linter

.prettierignore

@@ -2,6 +2,8 @@ lib
 .nyc_output
 /packages/contracts/generated-wrappers
 /packages/contracts/generated-artifacts
+/packages/abi-gen-wrappers/wrappers
+/packages/contract-artifacts/artifacts
 /packages/metacoin/src/contract_wrappers
 /packages/0x.js/src/generated_contract_wrappers/
 /packages/fill-scenarios/src/generated_contract_wrappers/

packages/abi-gen-wrappers/tsconfig.json

@@ -2,7 +2,7 @@
     "extends": "../../tsconfig",
     "compilerOptions": {
         "outDir": "lib",
-        "rootDir": ".",
+        "rootDir": "."
     },
-    "include": ["./src/**/*", "./wrappers/**/*"],
+    "include": ["./src/**/*", "./wrappers/**/*"]
 }

packages/contract-wrappers/test/forwarder_wrapper_test.ts

@@ -54,7 +54,7 @@ describe('ForwarderWrapper', () => {
             contractWrappers.erc20Proxy.address,
             contractWrappers.erc721Proxy.address,
         );
-        [, makerAddress, takerAddress ] = userAddresses;
+        [, makerAddress, takerAddress] = userAddresses;
         [makerTokenAddress] = tokenUtils.getDummyERC20TokenAddresses();
         takerTokenAddress = contractWrappers.forwarder.etherTokenAddress;
         [makerAssetData, takerAssetData] = [

packages/contract-wrappers/test/revert_validation_test.ts

@@ -109,7 +109,7 @@ describe('Revert Validation ExchangeWrapper', () => {
                 makerTokenBalance,
             );
             await web3Wrapper.awaitTransactionSuccessAsync(txHash, constants.AWAIT_TRANSACTION_MINED_MS);
-            await expect(
+            return expect(
                 contractWrappers.exchange.fillOrderAsync(signedOrder, takerTokenFillAmount, takerAddress, {
                     shouldValidate: true,
                 }),

packages/contract-wrappers/test/utils/migrate.ts

@@ -4,6 +4,11 @@ import { ContractAddresses } from '@0xproject/types';
 
 import { provider } from './web3_wrapper';
 
+/**
+ * Configures and runs the migrations exactly once. Any subsequent times this is
+ * called, it returns the cached addresses.
+ * @returns The addresses of contracts that were deployed during the migrations.
+ */
 export async function migrateOnceAsync(): Promise<ContractAddresses> {
     const txDefaults = {
         gas: devConstants.GAS_LIMIT,

packages/order-watcher/test/utils/migrate.ts

@@ -4,6 +4,11 @@ import { ContractAddresses } from '@0xproject/types';
 
 import { provider } from './web3_wrapper';
 
+/**
+ * Configures and runs the migrations exactly once. Any subsequent times this is
+ * called, it returns the cached addresses.
+ * @returns The addresses of contracts that were deployed during the migrations.
+ */
 export async function migrateOnceAsync(): Promise<ContractAddresses> {
     const txDefaults = {
         gas: devConstants.GAS_LIMIT,