framer-motion/dist/es/render/utils/lifecycles.mjs

A simple and powerful React animation library

import { __spreadArray, __read } from 'tslib';
import { SubscriptionManager } from '../../utils/subscription-manager.mjs';

var names = [
    "LayoutMeasure",
    "BeforeLayoutMeasure",
    "LayoutUpdate",
    "ViewportBoxUpdate",
    "Update",
    "Render",
    "AnimationComplete",
    "LayoutAnimationComplete",
    "AnimationStart",
    "LayoutAnimationStart",
    "SetAxisTarget",
    "Unmount",
];
function createLifecycles() {
    var managers = names.map(function () { return new SubscriptionManager(); });
    var propSubscriptions = {};
    var lifecycles = {
        clearAllListeners: function () { return managers.forEach(function (manager) { return manager.clear(); }); },
        updatePropListeners: function (props) {
            names.forEach(function (name) {
                var _a;
                var on = "on" + name;
                var propListener = props[on];
                // Unsubscribe existing subscription
                (_a = propSubscriptions[name]) === null || _a === void 0 ? void 0 : _a.call(propSubscriptions);
                // Add new subscription
                if (propListener) {
                    propSubscriptions[name] = lifecycles[on](propListener);
                }
            });
        },
    };
    managers.forEach(function (manager, i) {
        lifecycles["on" + names[i]] = function (handler) { return manager.add(handler); };
        lifecycles["notify" + names[i]] = function () {
            var args = [];
            for (var _i = 0; _i < arguments.length; _i++) {
                args[_i] = arguments[_i];
            }
            return manager.notify.apply(manager, __spreadArray([], __read(args), false));
        };
    });
    return lifecycles;
}

export { createLifecycles };