-
Notifications
You must be signed in to change notification settings - Fork 4
/
OldIndex.js
163 lines (141 loc) · 4.22 KB
/
OldIndex.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
import React from 'react'
import PropTypes from 'prop-types'
import { ApolloProvider, getDataFromTree } from 'react-apollo'
import Head from 'next/head'
import { ApolloClient, HttpLink, InMemoryCache } from 'apollo-boost'
import fetch from 'isomorphic-unfetch'
import defaults from './local/defaults'
import resolvers from './local/resolvers'
import typeDefs from './local/typeDefs'
import { ApolloLink } from 'apollo-link'
import { withClientState } from 'apollo-link-state'
import { setContext } from 'apollo-link-context'
let apolloClient = null
// Polyfill fetch() on the server (used by apollo-client)
if (!process.browser) {
global.fetch = fetch
}
function create(initialState) {
const httpLink = new HttpLink({
uri: process.env.API_URL
})
const cache = new InMemoryCache().restore(initialState || {})
const stateLink = withClientState({
resolvers,
defaults,
typeDefs,
cache
})
const authLink = setContext(async (req, prevCtx) => {
try {
let authHeaders = {}
if (process.browser) {
let idToken = localStorage.getItem('idToken')
let userId = localStorage.getItem('userId')
if (idToken && userId) {
Object.assign(authHeaders, {
authorization: `Bearer ${idToken}`,
userid: userId
})
}
}
return {
headers: {
...prevCtx.headers,
...authHeaders
}
}
} catch (ex) {
console.error(ex)
}
})
const link = ApolloLink.from([authLink, stateLink, httpLink])
return new ApolloClient({
connectToDevTools: process.browser,
ssrMode: !process.browser, // Disables forceFetch on the server (so queries are only run once)
link,
cache
})
}
function initApollo(initialState) {
// Make sure to create a new client for every server-side request so that data
// isn't shared between connections (which would be bad)
if (!process.browser) {
return create(initialState)
}
// Reuse client on the client-side
if (!apolloClient) {
apolloClient = create(initialState)
}
return apolloClient
}
// Gets the display name of a JSX component for dev tools
function getComponentDisplayName(Component) {
return Component.displayName || Component.name || 'Unknown'
}
export default ComposedComponent => {
return class WithData extends React.Component {
static displayName = `WithData(${getComponentDisplayName(
ComposedComponent
)})`
static propTypes = {
serverState: PropTypes.object.isRequired
}
static async getInitialProps(ctx) {
// Initial serverState with apollo (empty)
let serverState
// 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
const apollo = initApollo()
try {
// Run all GraphQL queries
await getDataFromTree(
<ComposedComponent ctx={ctx} {...composedInitialProps} />,
{
router: {
asPath: ctx.asPath,
pathname: ctx.pathname,
query: ctx.query
},
client: apollo
}
)
} 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
}
if (!process.browser) {
// 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>
)
}
}
}