@manzano/use-is-active/build/index.js

Best UX loading indicator

"use strict";
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);

// src/index.ts
var src_exports = {};
__export(src_exports, {
  ActivityOptionsProvider: () => ActivityOptionsProvider,
  useIsActive: () => useIsActive
});
module.exports = __toCommonJS(src_exports);

// src/use-is-active.ts
var import_react2 = require("react");

// src/ActivityOptionsContext.tsx
var import_react = require("react");
var import_jsx_runtime = require("react/jsx-runtime");
var defaultActivityOptions = {
  delayBeforeActivation: 800,
  minActiveDuration: 1e3
};
var ActivityOptionsContext = (0, import_react.createContext)(defaultActivityOptions);
function ActivityOptionsProvider({
  delayBeforeActivation = defaultActivityOptions.delayBeforeActivation,
  minActiveDuration = defaultActivityOptions.minActiveDuration,
  children
}) {
  const activityOptions = (0, import_react.useMemo)(
    () => ({
      delayBeforeActivation,
      minActiveDuration
    }),
    [delayBeforeActivation, minActiveDuration]
  );
  return /* @__PURE__ */ (0, import_jsx_runtime.jsx)(ActivityOptionsContext.Provider, { value: activityOptions, children });
}
function useActivityOptions() {
  return (0, import_react.useContext)(ActivityOptionsContext);
}

// src/use-is-active.ts
function useIsActive(isReallyActive) {
  const activityOptions = useActivityOptions();
  const activityOptionsRef = (0, import_react2.useRef)(activityOptions);
  const [activity, setActivity] = (0, import_react2.useState)(() => ({
    status: isReallyActive ? "delay_before_activation" : "inactive"
  }));
  const { status } = activity;
  const isActive = status === "forced_active" || status === "active";
  switch (status) {
    case "inactive":
      if (isReallyActive) {
        setActivity({ status: "delay_before_activation" });
      }
      break;
    case "forced_active":
      if (isReallyActive !== activity.isReallyActive) {
        setActivity({ status: "forced_active", isReallyActive });
      }
      break;
    case "active":
    case "delay_before_activation":
      if (!isReallyActive) {
        setActivity({ status: "inactive" });
      }
      break;
    default:
      break;
  }
  (0, import_react2.useEffect)(() => {
    activityOptionsRef.current = activityOptions;
  });
  (0, import_react2.useEffect)(() => {
    const scheduleNextStatus = (timeoutKey, nextActivity) => {
      const { [timeoutKey]: timeout } = activityOptionsRef.current;
      const timeoutId = window.setTimeout(() => {
        setActivity(nextActivity);
      }, timeout);
      return () => {
        window.clearTimeout(timeoutId);
      };
    };
    switch (status) {
      case "delay_before_activation":
        return scheduleNextStatus("delayBeforeActivation", {
          status: "forced_active",
          isReallyActive: true
        });
      case "forced_active":
        return scheduleNextStatus("minActiveDuration", (prevState) => ({
          status: prevState.isReallyActive ? "active" : "inactive"
        }));
      default:
        return;
    }
  }, [status]);
  return isActive;
}
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  ActivityOptionsProvider,
  useIsActive
});