@ima/react-page-renderer/dist/cjs/hooks/eventBus.js

IMA.js React page renderer.

"use strict";
Object.defineProperty(exports, "__esModule", {
    value: true
});
Object.defineProperty(exports, "useEventBus", {
    enumerable: true,
    get: function() {
        return useEventBus;
    }
});
const _react = require("react");
const _componentUtils = require("./componentUtils");
function useEventBus(eventTarget, eventName, listener) {
    const { $EventBus } = (0, _componentUtils.useComponentUtils)();
    const memoListener = (0, _react.useCallback)((...args)=>{
        listener?.(...args);
    }, [
        listener
    ]);
    (0, _react.useEffect)(()=>{
        if (!eventTarget || !eventName || !memoListener) {
            return;
        }
        $EventBus.listen(eventTarget, eventName, memoListener);
        return ()=>{
            $EventBus.unlisten(eventTarget, eventName, memoListener);
        };
    }, [
        $EventBus,
        eventName,
        eventTarget,
        memoListener
    ]);
    return (0, _react.useMemo)(()=>({
            fire: (...params)=>$EventBus.fire(...params)
        }), [
        $EventBus
    ]);
}

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