@renderlesskit/react/dist/cjs/system/createHook.js

Collection of headless components/hooks that are accessible, composable, customizable from low level to build your own UI & Design System powered by Reakit

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.createHook = createHook;

var _reakitSystem = require("reakit-system");

var _reakitUtils = require("reakit-utils");

function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }

function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }

function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter); }

function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }

function _createForOfIteratorHelper(o, allowArrayLike) { var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it.return != null) it.return(); } finally { if (didErr) throw err; } } }; }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

/**
 * Creates a React custom hook that will return component props.
 *
 * @example
 * import { createHook } from "../system";
 *
 * const useA = createHook({
 *   name: "A",
 *   keys: ["url"], // custom props/options keys
 *   useProps(options, htmlProps) {
 *     return {
 *       ...htmlProps,
 *       href: options.url,
 *     };
 *   },
 * });
 *
 * function A({ url, ...htmlProps }) {
 *   const props = useA({ url }, htmlProps);
 *   return <a {...props} />;
 * }
 *
 * @param options
 */
function createHook(options) {
  var _options$useState, _composedHooks$;

  var composedHooks = (0, _reakitUtils.toArray)(options.compose);

  var __useOptions = function __useOptions(hookOptions, htmlProps) {
    // Call the current hook's useOptions first
    if (options.useOptions) {
      hookOptions = options.useOptions(hookOptions, htmlProps);
    } // If there's name, call useOptions from the system context


    if (options.name) {
      // eslint-disable-next-line react-hooks/rules-of-hooks
      hookOptions = (0, _reakitSystem.useOptions)(options.name, hookOptions, htmlProps);
    } // Run composed hooks useOptions


    if (options.compose) {
      var _iterator = _createForOfIteratorHelper(composedHooks),
          _step;

      try {
        for (_iterator.s(); !(_step = _iterator.n()).done;) {
          var hook = _step.value;
          hookOptions = hook.__useOptions(hookOptions, htmlProps);
        }
      } catch (err) {
        _iterator.e(err);
      } finally {
        _iterator.f();
      }
    }

    return hookOptions;
  };

  var useHook = function useHook() {
    var hookOptions = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
    var htmlProps = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
    var unstable_ignoreUseOptions = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;

    // This won't execute when useHook was called from within another useHook
    if (!unstable_ignoreUseOptions) {
      hookOptions = __useOptions(hookOptions, htmlProps);
    } // Call the current hook's useProps


    if (options.useProps) {
      htmlProps = options.useProps(hookOptions, htmlProps);
    } // If there's name, call useProps from the system context


    if (options.name) {
      // eslint-disable-next-line react-hooks/rules-of-hooks
      htmlProps = (0, _reakitSystem.useProps)(options.name, hookOptions, htmlProps);
    }

    if (options.compose) {
      if (options.useComposeOptions) {
        hookOptions = options.useComposeOptions(hookOptions, htmlProps);
      }

      if (options.useComposeProps) {
        htmlProps = options.useComposeProps(hookOptions, htmlProps);
      } else {
        var _iterator2 = _createForOfIteratorHelper(composedHooks),
            _step2;

        try {
          for (_iterator2.s(); !(_step2 = _iterator2.n()).done;) {
            var hook = _step2.value;
            htmlProps = hook(hookOptions, htmlProps, true);
          }
        } catch (err) {
          _iterator2.e(err);
        } finally {
          _iterator2.f();
        }
      }
    } // Remove undefined values from htmlProps


    var finalHTMLProps = {};
    var definedHTMLProps = htmlProps || {};

    for (var prop in definedHTMLProps) {
      if (definedHTMLProps[prop] !== undefined) {
        finalHTMLProps[prop] = definedHTMLProps[prop];
      }
    }

    return finalHTMLProps;
  };

  useHook.__useOptions = __useOptions;
  var composedKeys = composedHooks.reduce(function (keys, hook) {
    keys.push.apply(keys, _toConsumableArray(hook.__keys || []));
    return keys;
  }, []); // It's used by createComponent to split option props (keys) and html props

  useHook.__keys = [].concat(_toConsumableArray(composedKeys), _toConsumableArray(((_options$useState = options.useState) === null || _options$useState === void 0 ? void 0 : _options$useState.__keys) || []), _toConsumableArray(options.keys || []));
  useHook.unstable_propsAreEqual = options.propsAreEqual || ((_composedHooks$ = composedHooks[0]) === null || _composedHooks$ === void 0 ? void 0 : _composedHooks$.unstable_propsAreEqual) || _reakitUtils.shallowEqual;

  if (options.name) {
    Object.defineProperty(useHook, "name", {
      value: "use".concat(options.name)
    });
  }

  return useHook;
}
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