From 8284f9c2ba80992609149333f8feb70fbe9b1bd1 Mon Sep 17 00:00:00 2001
From: Steve Klebanoff <steve.klebanoff@gmail.com>
Date: Fri, 2 Nov 2018 15:33:00 -0700
Subject: Use generic Maybe

---
 packages/instant/src/components/scaling_amount_input.tsx | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

(limited to 'packages/instant/src/components/scaling_amount_input.tsx')

diff --git a/packages/instant/src/components/scaling_amount_input.tsx b/packages/instant/src/components/scaling_amount_input.tsx
index ca8ccbe31..5dc719293 100644
--- a/packages/instant/src/components/scaling_amount_input.tsx
+++ b/packages/instant/src/components/scaling_amount_input.tsx
@@ -2,8 +2,9 @@ import { BigNumber } from '@0x/utils';
 import * as _ from 'lodash';
 import * as React from 'react';
 
+import { Maybe } from '../types';
+
 import { ColorOption } from '../style/theme';
-import { MaybeBigNumber } from '../types';
 import { maybeBigNumberUtil } from '../util/maybe_big_number';
 import { util } from '../util/util';
 
@@ -35,7 +36,7 @@ export class ScalingAmountInput extends React.Component<ScalingAmountInputProps,
             stringValue: _.isUndefined(props.value) ? '' : props.value.toString(),
         };
     }
-    public componentDidUpdate(prevProps: ScalingAmountInputProps): void {
+    public componentDidUpdate(): void {
         const parsedStateValue = stringToMaybeBigNumber(this.state.stringValue);
         const currentValue = this.props.value;
 
@@ -73,7 +74,7 @@ export class ScalingAmountInput extends React.Component<ScalingAmountInputProps,
         });
 
         // Trigger onAmountChange with a valid BigNumber, or undefined if the sanitizedValue is invalid or empty
-        const bigNumberValue: MaybeBigNumber = _.isEmpty(sanitizedValue)
+        const bigNumberValue: Maybe<BigNumber> = _.isEmpty(sanitizedValue)
             ? undefined
             : stringToMaybeBigNumber(sanitizedValue);
 
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