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-rw-r--r--packages/instant/src/components/asset_amount_input.tsx52
1 files changed, 52 insertions, 0 deletions
diff --git a/packages/instant/src/components/asset_amount_input.tsx b/packages/instant/src/components/asset_amount_input.tsx
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index 000000000..7c6b03ee9
--- /dev/null
+++ b/packages/instant/src/components/asset_amount_input.tsx
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+import { AssetProxyId } from '@0xproject/types';
+import { BigNumber } from '@0xproject/utils';
+import * as _ from 'lodash';
+import * as React from 'react';
+
+import { assetMetaData } from '../data/asset_meta_data';
+import { ColorOption } from '../style/theme';
+import { util } from '../util/util';
+
+import { AmountInput, AmountInputProps } from './amount_input';
+import { Container, Text } from './ui';
+
+export interface AssetAmountInputProps extends AmountInputProps {
+ assetData?: string;
+ onChange: (value?: BigNumber, assetData?: string) => void;
+}
+
+export class AssetAmountInput extends React.Component<AssetAmountInputProps> {
+ public static defaultProps = {
+ onChange: util.boundNoop,
+ };
+ public render(): React.ReactNode {
+ const { assetData, onChange, ...rest } = this.props;
+ return (
+ <Container>
+ <AmountInput {...rest} onChange={this._handleChange} />
+ <Container display="inline-block" marginLeft="10px">
+ <Text fontSize={rest.fontSize} fontColor={ColorOption.white} textTransform="uppercase">
+ {this._getAssetSymbolLabel()}
+ </Text>
+ </Container>
+ </Container>
+ );
+ }
+ private readonly _getAssetSymbolLabel = (): string => {
+ const unknownLabel = '???';
+ if (_.isUndefined(this.props.assetData)) {
+ return unknownLabel;
+ }
+ const metaData = assetMetaData[this.props.assetData];
+ if (_.isUndefined(metaData)) {
+ return unknownLabel;
+ }
+ if (metaData.assetProxyId === AssetProxyId.ERC20) {
+ return metaData.symbol;
+ }
+ return unknownLabel;
+ };
+ private readonly _handleChange = (value?: BigNumber): void => {
+ this.props.onChange(value, this.props.assetData);
+ };
+}