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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) {
// 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
console.log('Trying...');
console.log(ctx.query);
const apollo = initApollo();
try {
// Run all GraphQL queries
const data = await getDataFromTree(<ComposedComponent ctx={ctx} {...composedInitialProps} />, {
router: {
asPath: ctx.asPath,
pathname: ctx.pathname,
query: ctx.query,
},
client: apollo,
}).catch(err => {
console.log('CAUGHT HERE');
console.log(err);
});
} catch (error) {
// console.log(ctx.query);
console.log('An error Happened SSR');
console.log(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>
);
}
};
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