Use different lodash import syntax which allows to include only used functions

2 files changed, 10 insertions, 7 deletions

diff --git a/test/utils/order_factory.ts b/test/utils/order_factory.ts
index ef19f2c4c..ec16df22d 100644
--- a/test/utils/order_factory.ts
+++ b/test/utils/order_factory.ts
@@ -1,4 +1,5 @@
-import * as _ from 'lodash';
+import assign from 'lodash/assign';
+import isUndefined from 'lodash/isUndefined';
 import * as BigNumber from 'bignumber.js';
 import {ZeroEx, SignedOrder} from '../../src';
 
@@ -16,7 +17,7 @@ export const orderFactory = {
         feeRecipient: string,
         expirationUnixTimestampSec?: BigNumber.BigNumber): Promise<SignedOrder> {
         const defaultExpirationUnixTimestampSec = new BigNumber(2524604400); // Close to infinite
-        expirationUnixTimestampSec = _.isUndefined(expirationUnixTimestampSec) ?
+        expirationUnixTimestampSec = isUndefined(expirationUnixTimestampSec) ?
             defaultExpirationUnixTimestampSec :
             expirationUnixTimestampSec;
         const order = {
@@ -34,7 +35,7 @@ export const orderFactory = {
         };
         const orderHash = await zeroEx.getOrderHashHexAsync(order);
         const ecSignature = await zeroEx.signOrderHashAsync(orderHash, maker);
-        const signedOrder: SignedOrder = _.assign(order, {ecSignature});
+        const signedOrder: SignedOrder = assign(order, {ecSignature});
         return signedOrder;
     },
 };
diff --git a/test/utils/token_utils.ts b/test/utils/token_utils.ts
index f4fa7ac31..658cfe864 100644
--- a/test/utils/token_utils.ts
+++ b/test/utils/token_utils.ts
@@ -1,4 +1,6 @@
-import * as _ from 'lodash';
+import find from 'lodash/find';
+import filter from 'lodash/filter';
+import isUndefined from 'lodash/isUndefined';
 import {Token, ZeroExError} from '../../src';
 
 const PROTOCOL_TOKEN_SYMBOL = 'ZRX';
@@ -9,14 +11,14 @@ export class TokenUtils {
         this.tokens = tokens;
     }
     public getProtocolTokenOrThrow(): Token {
-        const zrxToken = _.find(this.tokens, {symbol: PROTOCOL_TOKEN_SYMBOL});
-        if (_.isUndefined(zrxToken)) {
+        const zrxToken = find(this.tokens, {symbol: PROTOCOL_TOKEN_SYMBOL});
+        if (isUndefined(zrxToken)) {
             throw new Error(ZeroExError.ZRX_NOT_IN_TOKEN_REGISTRY);
         }
         return zrxToken;
     }
     public getNonProtocolTokens(): Token[] {
-        const nonProtocolTokens = _.filter(this.tokens, token => {
+        const nonProtocolTokens = filter(this.tokens, token => {
             return token.symbol !== PROTOCOL_TOKEN_SYMBOL;
         });
         return nonProtocolTokens;