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vscode-jsonrpc
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This npm module implements the base messaging protocol spoken between a VSCode language server and a VSCode language client.
The npm module can also be used standalone to establish a JSON-RPC channel between a client and a server. Below an example how to setup a JSON-RPC connection. First the client side.
import * as cp from 'child_process';
import * as rpc from 'vscode-jsonrpc/node';
let childProcess = cp.spawn(...);
// Use stdin and stdout for communication:
let connection = rpc.createMessageConnection(
new rpc.StreamMessageReader(childProcess.stdout),
new rpc.StreamMessageWriter(childProcess.stdin));
let notification = new rpc.NotificationType<string, void>('testNotification');
connection.listen();
connection.sendNotification(notification, 'Hello World');
The server side looks very symmetrical:
import * as rpc from 'vscode-jsonrpc/node';
let connection = rpc.createMessageConnection(
new rpc.StreamMessageReader(process.stdin),
new rpc.StreamMessageWriter(process.stdout));
let notification = new rpc.NotificationType<string, void>('testNotification');
connection.onNotification(notification, (param: string) => {
console.log(param); // This prints Hello World
});
connection.listen();
FAQs
A json rpc implementation over streams
The npm package vscode-jsonrpc receives a total of 2,020,273 weekly downloads. As such, vscode-jsonrpc popularity was classified as popular.
We found that vscode-jsonrpc demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 7 open source maintainers collaborating on the project.
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