refun/web/utils.js

A collection of React Hook-enabled functions that compose harmoniously with each other. Similar to `recompose`, but:

function _createForOfIteratorHelper(o, allowArrayLike) { var it; if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { 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 = o[Symbol.iterator](); }, 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; }

export var shallowEquals = function shallowEquals(a, b) {
  if (a === b) {
    return true;
  }

  for (var key in b) {
    if (a[key] !== b[key]) {
      return false;
    }
  }

  for (var _key in a) {
    if (a[_key] !== b[_key]) {
      return false;
    }
  }

  return true;
};
export var shallowEqualByKeys = function shallowEqualByKeys(a, b, keys) {
  if (a === b) {
    return true;
  }

  var _iterator = _createForOfIteratorHelper(keys),
      _step;

  try {
    for (_iterator.s(); !(_step = _iterator.n()).done;) {
      var key = _step.value;

      if (a[key] !== b[key]) {
        return false;
      }
    }
  } catch (err) {
    _iterator.e(err);
  } finally {
    _iterator.f();
  }

  return true;
};
export var generatorIdFactory = function generatorIdFactory() {
  var latestId = 0;
  var ids = new Set();

  var switchToGenerator = function switchToGenerator(id) {
    return function () {
      ids.clear();
      ids.add(id);
    };
  };

  var newId = function newId() {
    var id = latestId++;
    ids.add(id);
    return id;
  };

  var isGeneratorRunning = function isGeneratorRunning(id) {
    return ids.has(id);
  };

  return {
    switchToGenerator: switchToGenerator,
    newId: newId,
    isGeneratorRunning: isGeneratorRunning
  };
};
export var unwindGenerator = function unwindGenerator(gen, shouldContinue) {
  var handle = async function handle(ir) {
    if (ir.done) {
      return;
    }

    try {
      var value = await ir.value;

      if (shouldContinue()) {
        return handle(gen.next(value));
      }

      gen.return();
    } catch (e) {
      if (shouldContinue()) {
        return handle(gen.throw(e));
      }

      gen.return();
    }
  }; // eslint-disable-next-line @typescript-eslint/no-floating-promises


  handle(gen.next());
};
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