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/**
* The hard-coded singleton key for webpack-hot-middleware's client instance.
*
* [Ref](https://github.com/webpack-contrib/webpack-hot-middleware/blob/cb29abb9dde435a1ac8e9b19f82d7d36b1093198/client.js#L152)
*/
const singletonKey = '__webpack_hot_middleware_reporter__';
/**
* Initializes a socket server for HMR for webpack-hot-middleware.
* @param {function(*): void} messageHandler A handler to consume Webpack compilation messages.
* @returns {void}
*/
function initWHMEventSource(messageHandler) {
const client = window[singletonKey];
client.useCustomOverlay({
showProblems: function showProblems(type, data) {
const error = {
data: data,
type: type,
};
messageHandler(error);
},
clear: function clear() {
messageHandler({ type: 'ok' });
},
});
}
module.exports = { init: initWHMEventSource };