@tanstack/store/dist/cjs/store.cjs

Framework agnostic type-safe store w/ reactive framework adapters

"use strict";
Object.defineProperty(exports, Symbol.toStringTag, { value: "Module" });
const scheduler = require("./scheduler.cjs");
const types = require("./types.cjs");
class Store {
  constructor(initialState, options) {
    this.listeners = /* @__PURE__ */ new Set();
    this.subscribe = (listener) => {
      var _a, _b;
      this.listeners.add(listener);
      const unsub = (_b = (_a = this.options) == null ? void 0 : _a.onSubscribe) == null ? void 0 : _b.call(_a, listener, this);
      return () => {
        this.listeners.delete(listener);
        unsub == null ? void 0 : unsub();
      };
    };
    this.prevState = initialState;
    this.state = initialState;
    this.options = options;
  }
  setState(updater) {
    var _a, _b, _c;
    this.prevState = this.state;
    if ((_a = this.options) == null ? void 0 : _a.updateFn) {
      this.state = this.options.updateFn(this.prevState)(updater);
    } else {
      if (types.isUpdaterFunction(updater)) {
        this.state = updater(this.prevState);
      } else {
        this.state = updater;
      }
    }
    (_c = (_b = this.options) == null ? void 0 : _b.onUpdate) == null ? void 0 : _c.call(_b);
    scheduler.__flush(this);
  }
}
exports.Store = Store;
//# sourceMappingURL=store.cjs.map