forked from facebook/react
/
ReactFlightDOMRelayServerHostConfig.js
133 lines (115 loc) · 2.8 KB
/
ReactFlightDOMRelayServerHostConfig.js
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/**
* 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
*/
import type {Request, ReactModel} from 'react-server/src/ReactFlightServer';
import type {
Destination,
ModuleReference,
ModuleMetaData,
} from 'ReactFlightDOMRelayServerIntegration';
import {resolveModelToJSON} from 'react-server/src/ReactFlightServer';
import {
emitModel,
emitError,
resolveModuleMetaData as resolveModuleMetaDataImpl,
} from 'ReactFlightDOMRelayServerIntegration';
export type {
Destination,
ModuleReference,
ModuleMetaData,
} from 'ReactFlightDOMRelayServerIntegration';
export type BundlerConfig = void;
export function resolveModuleMetaData(
config: BundlerConfig,
resource: ModuleReference,
): ModuleMetaData {
return resolveModuleMetaDataImpl(resource);
}
type JSONValue =
| string
| number
| boolean
| null
| {[key: string]: JSONValue}
| Array<JSONValue>;
export type Chunk =
| {
type: 'json',
id: number,
json: JSONValue,
}
| {
type: 'error',
id: number,
json: {
message: string,
stack: string,
...
},
};
export function processErrorChunk(
request: Request,
id: number,
message: string,
stack: string,
): Chunk {
return {
type: 'error',
id: id,
json: {
message,
stack,
},
};
}
function convertModelToJSON(request: Request, model: ReactModel): JSONValue {
let json = resolveModelToJSON(request, model);
if (typeof json === 'object' && json !== null) {
if (Array.isArray(json)) {
let jsonArray: Array<JSONValue> = [];
for (let i = 0; i < json.length; i++) {
jsonArray[i] = convertModelToJSON(request, json[i]);
}
return jsonArray;
} else {
let jsonObj: {[key: string]: JSONValue} = {};
for (let key in json) {
jsonObj[key] = convertModelToJSON(request, json[key]);
}
return jsonObj;
}
}
return json;
}
export function processModelChunk(
request: Request,
id: number,
model: ReactModel,
): Chunk {
let json = convertModelToJSON(request, model);
return {
type: 'json',
id: id,
json: json,
};
}
export function scheduleWork(callback: () => void) {
callback();
}
export function flushBuffered(destination: Destination) {}
export function beginWriting(destination: Destination) {}
export function writeChunk(destination: Destination, chunk: Chunk): boolean {
if (chunk.type === 'json') {
emitModel(destination, chunk.id, chunk.json);
} else {
emitError(destination, chunk.id, chunk.json.message, chunk.json.stack);
}
return true;
}
export function completeWriting(destination: Destination) {}
export {close} from 'ReactFlightDOMRelayServerIntegration';