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authorWes Bos <wesbos@gmail.com>2018-01-30 12:41:01 -0500
committerWes Bos <wesbos@gmail.com>2018-01-30 12:41:01 -0500
commitcd0b07b3adb36fb5ec098f9e511ab45d774fee7b (patch)
treea203e5010219ccea1acc6bbd2c0a4bcfa0a78615 /frontend/lib
parent0a1648bf47490b312169c531aeb51ef4725e8d2e (diff)
Move to Prisma Backend
Diffstat (limited to 'frontend/lib')
-rw-r--r--frontend/lib/formatMoney.js3
-rw-r--r--frontend/lib/image.js6
-rw-r--r--frontend/lib/initApollo.js62
-rw-r--r--frontend/lib/withData.js76
4 files changed, 147 insertions, 0 deletions
diff --git a/frontend/lib/formatMoney.js b/frontend/lib/formatMoney.js
new file mode 100644
index 0000000..edddf48
--- /dev/null
+++ b/frontend/lib/formatMoney.js
@@ -0,0 +1,3 @@
+export default function(amount) {
+ return '$' + (amount / 100).toLocaleString();
+}
diff --git a/frontend/lib/image.js b/frontend/lib/image.js
new file mode 100644
index 0000000..5b6efb9
--- /dev/null
+++ b/frontend/lib/image.js
@@ -0,0 +1,6 @@
+import { imageEndpoint } from '../config';
+
+export default function(image, width = 300, height = 300) {
+ if (!image || !image.secret) return '';
+ return `${imageEndpoint}/${image.secret}/${width}x${height}`;
+}
diff --git a/frontend/lib/initApollo.js b/frontend/lib/initApollo.js
new file mode 100644
index 0000000..35f5e08
--- /dev/null
+++ b/frontend/lib/initApollo.js
@@ -0,0 +1,62 @@
+import { ApolloClient } from 'apollo-client';
+import { ApolloLink, concat } from 'apollo-link';
+import { HttpLink } from 'apollo-link-http';
+import { InMemoryCache } from 'apollo-cache-inmemory';
+import fetch from 'isomorphic-fetch';
+import { endpoint } from '../config';
+
+let apolloClient = null;
+
+// Polyfill fetch() on the server (used by apollo-client)
+if (!process.browser) {
+ global.fetch = fetch;
+}
+
+function create(initialState) {
+ // First we create three peices of middleware
+
+ // 1. Create a link for local state to be managed in Apollo
+
+
+ // 1. connect to our GraphQL API
+ const httpLink = new HttpLink({
+ uri: endpoint, // Server URL (must be absolute)
+ opts: {
+ credentials: 'same-origin',
+ },
+ });
+
+ // 2. One to tack on our auth token on each request
+ const authMiddleware = new ApolloLink((operation, forward) => {
+ const headers = {};
+
+ if (typeof localStorage !== 'undefined' && localStorage.getItem('auth0IdToken')) {
+ headers.authorization = `Bearer ${localStorage.getItem('auth0IdToken')}`;
+ }
+
+ operation.setContext({ headers });
+ return forward(operation);
+ });
+
+ return new ApolloClient({
+ connectToDevTools: process.browser,
+ ssrMode: !process.browser, // Disables forceFetch on the server (so queries are only run once)
+ link: concat(authMiddleware, httpLink),
+ cache: new InMemoryCache().restore(initialState || {}),
+ });
+}
+
+export default function initApollo(initialState) {
+ // Make sure to create a new client for every server-side request so that data
+ // isn't shared between connections (which would be bad)
+ if (!process.browser) {
+ return create(initialState);
+ }
+
+ // Reuse client on the client-side
+ if (!apolloClient) {
+ apolloClient = create(initialState);
+ }
+
+ return apolloClient;
+}
diff --git a/frontend/lib/withData.js b/frontend/lib/withData.js
new file mode 100644
index 0000000..0c68f49
--- /dev/null
+++ b/frontend/lib/withData.js
@@ -0,0 +1,76 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { ApolloProvider, getDataFromTree } from 'react-apollo';
+import Head from 'next/head';
+import initApollo from './initApollo';
+
+// Gets the display name of a JSX component for dev tools
+function getComponentDisplayName(Component) {
+ return Component.displayName || Component.name || 'Unknown';
+}
+
+export default ComposedComponent =>
+ class WithData extends React.Component {
+ static displayName = `WithData(${getComponentDisplayName(ComposedComponent)})`;
+ static propTypes = {
+ serverState: PropTypes.object.isRequired,
+ };
+
+ static async getInitialProps(ctx) {
+ let serverState = { apollo: {} };
+
+ // Evaluate the composed component's getInitialProps()
+ let composedInitialProps = {};
+ if (ComposedComponent.getInitialProps) {
+ composedInitialProps = await ComposedComponent.getInitialProps(ctx);
+ }
+
+ // Run all GraphQL queries in the component tree
+ // and extract the resulting data
+ if (!process.browser) {
+ const apollo = initApollo();
+ // Provide the `url` prop data in case a GraphQL query uses it
+ const url = { query: ctx.query, pathname: ctx.pathname };
+ try {
+ // Run all GraphQL queries
+ await getDataFromTree(
+ <ApolloProvider client={apollo}>
+ <ComposedComponent url={url} {...composedInitialProps} />
+ </ApolloProvider>
+ );
+ } catch (error) {
+ // Prevent Apollo Client GraphQL errors from crashing SSR.
+ // Handle them in components via the data.error prop:
+ // http://dev.apollodata.com/react/api-queries.html#graphql-query-data-error
+ }
+ // getDataFromTree does not call componentWillUnmount
+ // head side effect therefore need to be cleared manually
+ Head.rewind();
+
+ // Extract query data from the Apollo store
+ serverState = {
+ apollo: {
+ data: apollo.cache.extract(),
+ },
+ };
+ }
+
+ return {
+ serverState,
+ ...composedInitialProps,
+ };
+ }
+
+ constructor(props) {
+ super(props);
+ this.apollo = initApollo(this.props.serverState.apollo.data);
+ }
+
+ render() {
+ return (
+ <ApolloProvider client={this.apollo}>
+ <ComposedComponent {...this.props} />
+ </ApolloProvider>
+ );
+ }
+ };