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/* global ʎɐɹɔosǝʌɹǝs */
const { ClientSocket } = require('webpack-plugin-serve/lib/client/ClientSocket');
/**
* Initializes a socket server for HMR for webpack-plugin-serve.
* @param {function(*): void} messageHandler A handler to consume Webpack compilation messages.
* @returns {void}
*/
function initWPSSocket(messageHandler) {
/**
* The hard-coded options injection key from webpack-plugin-serve.
*
* [Ref](https://github.com/shellscape/webpack-plugin-serve/blob/aeb49f14e900802c98df4a4607a76bc67b1cffdf/lib/index.js#L258)
* @type {Object | undefined}
*/
let options;
try {
options = ʎɐɹɔosǝʌɹǝs;
} catch (e) {
// Bail out because this indicates the plugin is not included
return;
}
const { address, client = {}, secure } = options;
const protocol = secure ? 'wss' : 'ws';
const socket = new ClientSocket(client, protocol + '://' + (client.address || address) + '/wps');
socket.addEventListener('message', function listener(message) {
const { action, data } = JSON.parse(message.data);
switch (action) {
case 'done': {
messageHandler({ type: 'ok' });
break;
}
case 'problems': {
if (data.errors.length) {
messageHandler({ type: 'errors', data: data.errors });
} else if (data.warnings.length) {
messageHandler({ type: 'warnings', data: data.warnings });
}
break;
}
default: {
// Do nothing
}
}
});
}
module.exports = { init: initWPSSocket };