react/packages/react-noop-renderer/src/ReactNoopFlightServer.js

58 lines
1.8 KiB
JavaScript

/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @flow
*/
/**
* This is a renderer of React that doesn't have a render target output.
* It is useful to demonstrate the internals of the reconciler in isolation
* and for testing semantics of reconciliation separate from the host
* environment.
*/
import type {ReactModel} from 'react-server/flight.inline-typed';
import ReactFlightServer from 'react-server/flight';
type Destination = Array<string>;
const ReactNoopFlightServer = ReactFlightServer({
scheduleWork(callback: () => void) {
callback();
},
beginWriting(destination: Destination): void {},
writeChunk(destination: Destination, buffer: Uint8Array): void {
destination.push(Buffer.from((buffer: any)).toString('utf8'));
},
completeWriting(destination: Destination): void {},
close(destination: Destination): void {},
flushBuffered(destination: Destination): void {},
convertStringToBuffer(content: string): Uint8Array {
return Buffer.from(content, 'utf8');
},
formatChunkAsString(type: string, props: Object): string {
return JSON.stringify({type, props});
},
formatChunk(type: string, props: Object): Uint8Array {
return Buffer.from(JSON.stringify({type, props}), 'utf8');
},
renderHostChildrenToString(children: React$Element<any>): string {
throw new Error('The noop rendered do not support host components');
},
});
function render(model: ReactModel): Destination {
let destination: Destination = [];
let request = ReactNoopFlightServer.createRequest(model, destination);
ReactNoopFlightServer.startWork(request);
return destination;
}
export default {
render,
};