1.0.1 • Published 3 years ago
@unparallel/smartclide-frontend-comm v1.0.1
Overview
This module builds a message according to the protocol established for the communication between the SmartCLIDE IDE frontend and its components, with the following structure:
{
  "type": "...",
  "content": {
    "key1": "value1",
    ...
  }
}The current version provides:
- Object with the supported types of messages
 
| Message Type | Direction | Description | 
|---|---|---|
| COMM_START | Component -> Frontend | Message used to inform the SmartCLIDE IDE frontend that a new component was loaded | 
| COMM_END | Frontend -> Component | Message used to inform the components that no further requests will be accepted | 
| COMM_START_REPLY | Frontend -> Component | Reply to the COMM_START message with the information that needs to be sent on startup (token and serviceID fields) | 
| KEYCLOAK_TOKEN | Frontend -> Component | Used to send a token to the iframe, in the token field of the message's content | 
- Method to build the message with the given type and content
 
The upcoming features will include:
- Support to new types of messages
 
How to use?
Add as a dependency to the package.json
{
  "dependencies": {
    "@unparallel/smartclide-frontend-comm": "latest"
  }
}Install dependencies
npm installImport the module
import {messageTypes, buildMessage} from "@unparallel/smartclide-frontend-comm";Build the message
// To inform the SmartCLIDE IDE frontend that a new component was loaded
let componentLoadedMessage = buildMessage(messageTypes.COMM_START);
// To inform the components that the communication channel will be closed
let cancelCommunicationMessage = buildMessage(messageTypes.COMM_END);
// To reply to the COMM_START message
let replyToStartMessage = buildMessage(messageTypes.COMM_START_REPLY, { token: "...", serviceID: "..." });
// To send a token to the iframe
let sendTokenMessage = buildMessage(messageTypes.KEYCLOAK_TOKEN, { token: "..." });Example with window.postMessage()
Sender (Component)
let message = buildMessage(messageTypes.COMM_START);
// Send the message to the parent
window.parent.postMessage(message, "*");Receiver (Frontend)
// When the parent receives the message
window.addEventListener("message", ({data}) => {
    switch(data.type){
        case messageTypes.COMM_START:
            // Reply with a COMM_START_REPLY type message
            break;
        // ...
    }
});