e13d79e10a
* Pull in first bits from old branch
* Extract styles
* Update for eslint
* Bump deps, react-qr-reader
* remove wrapped component, only QR{Display, Scan}
* Multipart display
* Track updates via xxhash
* Address display & scanning
* Bump deps
* DisplayExtrinsic -> DisplayPayload
* Rewrite yarn.lock
* Bumps
* Add direct string <-> u8a conversion utils
* Use encodeString everywhere
* Update deps
* Bump deps (final round, can merge now)
41 lines
936 B
TypeScript
41 lines
936 B
TypeScript
// Copyright 2017-2019 @polkadot/ui-qr authors & contributors
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// This software may be modified and distributed under the terms
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// of the Apache-2.0 license. See the LICENSE file for details.
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import { BaseProps } from './types';
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import React from 'react';
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import QrScan from './Scan';
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import { encodeString } from './util';
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interface Props extends BaseProps {
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onError?: (error: Error) => void;
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onScan?: (data: Uint8Array) => void;
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}
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export default class ScanSignature extends React.PureComponent<Props> {
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public render (): React.ReactNode {
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const { className, onError, style } = this.props;
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return (
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<QrScan
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className={className}
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onError={onError}
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onScan={this.onScan}
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style={style}
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/>
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);
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}
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private onScan = (data: string | null): void => {
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const { onScan } = this.props;
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if (!data || !onScan) {
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return;
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}
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onScan(encodeString(data));
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}
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}
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