feat(qr-code): adds QR code component

.storybook/config.js

@@ -15,7 +15,7 @@ setOptions({
 addDecorator(withKnobs);
 
 addDecorator(story => {
-  return <div>{story()}</div>;
+  return <div style={{ padding: '20px' }}>{story()}</div>;
 });
 
 const req = require.context('../src', true, /story.tsx$/);

README.md

@@ -51,7 +51,7 @@ Note: this package is built with TypeScript and already contains the relevant Ty
 To initiate a payment, use the `ReblocksPayment` component.  The `ReblocksPayment` takes in the following props:
 
 - `accountId` {string} account to send funds to
-- `amount` {string} ammount of `rai` to send (Note: 1 rai = 1/1,000,000 XRB)
+- `amount` {string} ammount of `xrb` to send (Note: 1 xrb = 1/1,000,000 XRB)
 - `onPaymentSuccess` {function} function to run on successful payment.  This is passed { token: 'TOKEN'}
 
 Link to [demo](https://goldcaddy77.github.io/reblocks/?selectedKind=ReblocksPayment)
@@ -65,6 +65,24 @@ To display the current value of XRB in a fiat currency, use the `ReblocksFiatCon
 
 Link to [demo](https://goldcaddy77.github.io/reblocks/?selectedKind=ReblocksFiatConversion)
 
+### ReblocksQRCode
+
+To create a QR code for payments, use the `ReblocksQRCode` component.  The `ReblocksQRCode` component takes in the
+following props:
+
+- `accountId` {string} account to send funds to
+- `amount` {string - optional} ammount of `xrb` to send (Note: 1 xrb = 1/1,000,000 XRB)
+- `label` {string - optional} see - [RaiBlocks QR Code specification](https://github.com/clemahieu/raiblocks/wiki/URI-and-QR-Code-Standard)
+- `message` {string - optional} see - [RaiBlocks QR Code specification](https://github.com/clemahieu/raiblocks/wiki/URI-and-QR-Code-Standard)
+
+You can also style the QR Code itself using the params we pass into [qrcode.react](https://github.com/zpao/qrcode.react):
+
+- `size` {number - optional} Size
+- `bgColor` {string (CSS color) - optional} Background color
+- `fgColor` {string (CSS color) - optional} Foreground color
+
+Link to [demo](https://goldcaddy77.github.io/reblocks/?selectedKind=ReblocksQRCode)
+
 ## Donate
 
 If you like this project and want to help support future development, test it out by buying me a 🍺:

package.json

@@ -55,11 +55,15 @@
     "mapCoverage": true
   },
   "dependencies": {
+    "@types/qrcode.react": "^0.6.2",
+    "@types/query-string": "^5.0.1",
     "@types/react-select": "^1.1.0",
     "css-loader": "^0.28.7",
     "file-loader": "^1.1.6",
     "gh-pages": "^1.1.0",
     "prettier-eslint-cli": "^4.7.0",
+    "qrcode.react": "^0.7.2",
+    "query-string": "^5.0.1",
     "react-dom": "^15.5.0",
     "react-dom-factories": "^1.0.2",
     "react-select": "^1.2.1",

src/components/ReblocksFiatConversion/ReblocksFiatConversion.story.tsx

@@ -53,7 +53,7 @@ class DynamicCurrencyWrapper extends React.Component<{}, State> {
 storiesOf('ReblocksFiatConversion', module)
   .add('Default (USD)', () => {
     return (
-      <div style={{ padding: '20px' }}>
+      <div>
         <label>Current USD Value</label>
         <span>
           <ReblocksFiatConversion />
@@ -63,7 +63,7 @@ storiesOf('ReblocksFiatConversion', module)
   })
   .add('EUR', () => {
     return (
-      <div style={{ padding: '20px' }}>
+      <div>
         <label>Current EUR Value</label>
         <span>
           <ReblocksFiatConversion currency="EUR" />
@@ -73,7 +73,7 @@ storiesOf('ReblocksFiatConversion', module)
   })
   .add('JPY', () => {
     return (
-      <div style={{ padding: '20px' }}>
+      <div>
         <label>Current JPY Value</label>
         <span>
           <ReblocksFiatConversion currency="JPY" />
@@ -83,7 +83,7 @@ storiesOf('ReblocksFiatConversion', module)
   })
   .add('Choose Currency', () => {
     return (
-      <div style={{ padding: '20px' }}>
+      <div>
         <DynamicCurrencyWrapper />
       </div>
     );

src/components/ReblocksPayment/ReblocksPayment.story.tsx

@@ -73,22 +73,22 @@ storiesOf('ReblocksPayment', module)
     action('Click the button to start payment')();
 
     return (
-      <div style={{ margin: '10px 80px' }}>
+      <div style={{ margin: '0 60px' }}>
         <p>The button below will prompt you to send a test transaction of 1000 rai (~2 cents)</p>
         <ReblocksPayment accountId={ACCOUNT_ID} amount={1000} onPaymentSuccess={onSuccess} />
       </div>
     );
   })
   .add('Dynamic Button', () => {
     return (
-      <div style={{ margin: '10px 80px' }}>
+      <div style={{ margin: '0 60px' }}>
         <PaymentForm />
       </div>
     );
   })
   .add('Buy Dan a 🍺', () => {
     return (
-      <div style={{ margin: '10px 80px' }}>
+      <div style={{ margin: '0 60px' }}>
         <p>
           If you want to help support the project, you can donate a beer's worth of rai using this
           form

src/components/ReblocksQRCode/ReblocksQRCode.story.tsx

@@ -0,0 +1,36 @@
+import { storiesOf } from '@storybook/react';
+import * as React from 'react';
+
+import { ReblocksQRCode } from './ReblocksQRCode';
+
+import { ACCOUNT_ID } from '../../lib/';
+
+storiesOf('ReblocksQRCode', module)
+  .add('Default', () => {
+    return <ReblocksQRCode accountId={ACCOUNT_ID} />;
+  })
+  .add('Default with Address', () => {
+    return <ReblocksQRCode accountId={ACCOUNT_ID} showUrl={true} />;
+  })
+  .add('With Amount', () => {
+    return <ReblocksQRCode accountId={ACCOUNT_ID} amount={1000} showUrl={true} />;
+  })
+  .add('With Amount and Label', () => {
+    return (
+      <ReblocksQRCode accountId={ACCOUNT_ID} amount={1000} label="For a good time" showUrl={true} />
+    );
+  })
+  .add('Amount, Label and Message', () => {
+    return (
+      <ReblocksQRCode
+        accountId={ACCOUNT_ID}
+        amount={1000}
+        label="For a good time"
+        message="I'm a message"
+        showUrl={true}
+      />
+    );
+  })
+  .add('RaiBlocks Purple', () => {
+    return <ReblocksQRCode accountId={ACCOUNT_ID} fgColor="#8c43d5" />;
+  });

src/components/ReblocksQRCode/ReblocksQRCode.tsx

@@ -0,0 +1,58 @@
+import * as QRCode from 'qrcode.react';
+import * as queryString from 'query-string';
+import * as React from 'react';
+
+export interface OptionalProps {
+  amount?: number;
+  bgColor?: string;
+  fgColor?: string;
+  label?: string;
+  message?: string;
+  size?: number;
+  showUrl?: boolean;
+}
+
+export interface Props extends OptionalProps {
+  accountId: string;
+}
+
+const ReblocksQRCode: React.StatelessComponent<Props> = (props): JSX.Element => {
+  const { accountId, amount, label, message, showUrl, ...otherProps } = props;
+  let address = `xrb:${accountId}`;
+
+  const params: OptionalProps = {};
+  if (amount) {
+    params.amount = amount;
+  }
+  if (label) {
+    params.label = label;
+  }
+  if (message) {
+    params.message = message;
+  }
+
+  const qs = queryString.stringify(params);
+  address = qs ? `${address}?${qs}` : address;
+
+  const qrComponent = <QRCode value={`${address}${qs}`} {...otherProps} />;
+
+  if (showUrl) {
+    return (
+      <div>
+        {qrComponent}
+        <div>{address}</div>
+      </div>
+    );
+  }
+
+  return qrComponent;
+};
+
+ReblocksQRCode.defaultProps = {
+  bgColor: '#FFFFFF',
+  fgColor: '#000000',
+  showUrl: false,
+  size: 128
+};
+
+export { ReblocksQRCode };

src/reblocks.ts

@@ -1,4 +1,5 @@
 export { PaymentResponse, ReblocksPayment } from './components/ReblocksPayment/ReblocksPayment';
 export { ReblocksFiatConversion } from './components/ReblocksFiatConversion/ReblocksFiatConversion';
+export { ReblocksQRCode } from './components/ReblocksQRCode/ReblocksQRCode';
 
 export * from './lib';

yarn.lock

@@ -334,6 +334,16 @@
   version "15.5.2"
   resolved "https://registry.yarnpkg.com/@types/prop-types/-/prop-types-15.5.2.tgz#3c6b8dceb2906cc87fe4358e809f9d20c8d59be1"
 
+"@types/qrcode.react@^0.6.2":
+  version "0.6.2"
+  resolved "https://registry.yarnpkg.com/@types/qrcode.react/-/qrcode.react-0.6.2.tgz#c3c09a1f01c8f1378b2dc9cde27a15cc1529cf19"
+  dependencies:
+    "@types/react" "*"
+
+"@types/query-string@^5.0.1":
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/@types/query-string/-/query-string-5.0.1.tgz#6cb41c724cb1644d56c2d1dae7c7b204e706b39e"
+
 "@types/react-select@^1.1.0":
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/@types/react-select/-/react-select-1.1.0.tgz#b3ddf7a58f033f69d3c47c825587a54fec1629c6"
@@ -7303,6 +7313,17 @@ q@^1.1.2, q@^1.4.1:
   version "1.5.1"
   resolved "https://registry.yarnpkg.com/q/-/q-1.5.1.tgz#7e32f75b41381291d04611f1bf14109ac00651d7"
 
+[email protected]:
+  version "0.0.0"
+  resolved "https://registry.yarnpkg.com/qr.js/-/qr.js-0.0.0.tgz#cace86386f59a0db8050fa90d9b6b0e88a1e364f"
+
+qrcode.react@^0.7.2:
+  version "0.7.2"
+  resolved "https://registry.yarnpkg.com/qrcode.react/-/qrcode.react-0.7.2.tgz#72a5718fd56baafe15c2c153fe436628d83aa286"
+  dependencies:
+    prop-types "^15.5.8"
+    qr.js "0.0.0"
+
 [email protected], qs@^6.5.1, qs@~6.5.1:
   version "6.5.1"
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.1.tgz#349cdf6eef89ec45c12d7d5eb3fc0c870343a6d8"