overmind/es/rehydrate.js

Frictionless state management

//#region src/rehydrate.ts
function rehydrateState(target, source, classes = {}) {
	if (!target || !source) throw new Error(`You have to pass a "target" and "source" object to rehydrate`);
	Object.keys(source).forEach((key) => {
		const value = source[key];
		const classInstance = classes[key];
		if (typeof classInstance === "function" && Array.isArray(target[key])) target[key] = source[key].map((value$1) => classInstance(value$1));
		else if (typeof classInstance === "function" && typeof target[key] === "object" && target[key] !== null && target[key].constructor.name === "Object") target[key] = Object.keys(source[key]).reduce((aggr, subKey) => {
			aggr[subKey] = classInstance(source[key][subKey]);
			return aggr;
		}, {});
		else if (typeof classInstance === "function") target[key] = classInstance(source[key]);
		else if (typeof value === "object" && !Array.isArray(value) && value !== null) {
			if (!target[key]) target[key] = {};
			rehydrateState(target[key], source[key], classes[key]);
		} else target[key] = source[key];
	});
}
const SERIALIZE = Symbol("SERIALIZE");
const rehydrate = (state, source, classes = {}) => {
	if (Array.isArray(source)) source.forEach((mutation) => {
		const pathArray = mutation.path.split(mutation.delimiter);
		const key = pathArray.pop();
		const target = pathArray.reduce((aggr, key$1) => aggr[key$1], state);
		const classInstance = pathArray.reduce((aggr, key$1) => aggr && aggr[key$1], classes);
		if (mutation.method === "set") if (typeof classInstance === "function" && Array.isArray(mutation.args[0])) target[key] = mutation.args[0].map((arg) => classInstance(arg));
		else if (typeof classInstance === "function") target[key] = classInstance(mutation.args[0]);
		else target[key] = mutation.args[0];
		else if (mutation.method === "unset") delete target[key];
		else target[key][mutation.method].apply(target[key], typeof classInstance === "function" ? mutation.args.map((arg) => {
			return typeof arg === "object" && arg !== null ? classInstance(arg) : arg;
		}) : mutation.args);
	});
	else rehydrateState(state, source, classes);
};

//#endregion
export { SERIALIZE, rehydrate };
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