interprocess-communication v1.3.5

Welcome to interpocess-communication documentation

ABOUT ME

Social networks

• Discord
• GitHub
• Email

What's interprocess-communication?

Arousa interprocess-communication is a tool which helps you to send and recive messages between parent and child processes using promises.

Examples

Parent file

const {fork} = require("child_process");
const {Child} = require("interprocess-communication");

const child = new Child(fork("./child"));

child.send("Hello from parent!").then((message) => {
  console.log(message.payload);
});

child.on("message", (message) => {
  console.log(message.payload);
  if (message.payload === "Hello from child!")
    message.reply("Reply from parent!");
});

Child file

const {Parent} = require("interprocess-communication");

const parent = new Parent();

parent.send("Hello from child!").then((message) => {
  console.log(message.payload);
});

parent.on("message", (message) => {
  console.log(message.payload);
  if (message.payload === "Hello from parent!")
    message.reply("Reply from child!");
});

\(messageLifetime)

Parent constructor

Params

\(childProcess, messageLifetime)

Parent constructor

Params

<Child|Parent>.send(payload, replying, event)

Sends a message to the parent or the child

Params

.reply(payload, replying, event)

Replies the message

Params

Special events

There are 3 special events launched once a message is sent.

• raw: Contains all messages json data. Its lauched every time a message is sent.
• unhandledReply: Contains a reply that could not be resolved.
• unhandledEvent: Contains a message that has no event (those messages are suposed to not appear).