crux-wrapper/dist/react/state.js

A React provider for your crux application

export class State extends EventTarget {
    viewModel;
    mergeViewModel;
    constructor(viewModel, mergeViewModel = (state) => state) {
        super();
        this.viewModel = viewModel;
        this.mergeViewModel = mergeViewModel;
    }
    getViewModel(selector = (model) => model) {
        return selector(this.viewModel);
    }
    setViewModel(viewModel) {
        this.viewModel = this.mergeViewModel(viewModel, this.viewModel);
        this.dispatchEvent(new CustomEvent("updated"));
    }
    subscribe(callback) {
        this.addEventListener("updated", callback);
        return () => this.removeEventListener("updated", callback);
    }
}
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