react-cache-promise/dist/umd/react-async-states.production.js

react-cache-promise

!function (e, t) {
  "object" == typeof exports && "undefined" != typeof module ? t(exports, require("react")) : "function" == typeof define && define.amd ? define(["exports", "react"], t) : t((e = "undefined" != typeof globalThis ? globalThis : e || self).ReactAsyncStates = {}, e.React)
}(this, (function (e, t) {
  "use strict";

  function n(e) {
    var t = Object.create(null);
    return e && Object.keys(e).forEach((function (n) {
      if ("default" !== n) {
        var r = Object.getOwnPropertyDescriptor(e, n);
        Object.defineProperty(t, n, r.get ? r : {
          enumerable: !0,
          get: function () {
            return e[n]
          }
        })
      }
    })), t.default = e, Object.freeze(t)
  }

  var r = n(t), i = new Map, u = new Map;

  function s(e, t) {
    var n = {
      subscribe: function (e) {
        n.index || (n.index = 0);
        n.listeners || (n.listeners = []);
        var t = ++n.index;
        return n.listeners[t] = e, function () {
          delete n.listeners[t]
        }
      }, state: null, active: !0
    };
    return t.then((function (e) {
      n.active && (n.state = {
        status: "fulfilled",
        value: e
      }, n.listeners && Object.values(n.listeners).forEach((function (t) {
        r.startTransition((function () {
          return t(e)
        }))
      })))
    }), (function (e) {
      n.active && (n.state = {
        status: "rejected",
        reason: e
      }, n.listeners && Object.values(n.listeners).forEach((function (t) {
        r.startTransition((function () {
          return t(e)
        }))
      })))
    })), n
  }

  e.evict = function (e) {
    var t = i.get(e);
    if (t) {
      var n = u.get(t);
      if (n) {
        var s = i.delete(e) && u.delete(t);
        n.active = !1, n.state = null;
        var a = n.listeners;
        if (a) {
          var c = {};
          Object.values(a).forEach((function (e) {
            r.startTransition((function () {
              return e(c)
            }))
          }))
        }
        return s
      }
    }
  }, e.patchQuery = function (e, t) {
    return function () {
      for (var n = [], r = 0; r < arguments.length; r++) n[r] = arguments[r];
      var a = t.apply(null, n), c = i.get(a);
      if (c) return c;
      var f = e.apply(null, n);
      return i.set(a, f), u.set(f, s(0, f)), f
    }
  }, e.usePromise = function (e) {
    var t = u.get(e), n = t.state;
    if (null === n) throw e;
    if ("rejected" === n.status) throw n.reason;
    var i = r.useState()[1];
    return r.useEffect((function () {
      return t.subscribe(i)
    }), [t]), n.value
  }
}));