@dhmk/atom/esm/shared.js

Lightweight mobx-like observable values, computed values and side-effects

import { runtime } from "./runtime";
export var removeAtom = function (a, self) {
    a.observers.delete(self);
    if (!a.observers.size)
        a.dispose();
};
export function useAtom(a) {
    var self = runtime.currentAtom;
    if (!self)
        return;
    if (a.runId === self.runId)
        return;
    a.runId = self.runId;
    if (self.prevDepsIndex < self.prevDeps.length &&
        a === self.prevDeps[self.prevDepsIndex]) {
        self.prevDepsIndex++;
        self.isObserved ? self.deps.push(a) : self.depsForUnobserved.add(a);
        return;
    }
    if (!self.isObserved) {
        self.depsForUnobserved.add(a);
        return;
    }
    var cid = a.observers.get(self);
    if (cid !== self.runId) {
        a.observers.set(self, self.runId);
        self.deps.push(a);
    }
}
export function reportError(e) {
    return function () {
        throw e;
    };
}