react-redux-setstate/lib/utils.js

A HOC that overrides the React setState API to use Redux for storing component state.

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.assert = assert;
exports.generateRandomKey = generateRandomKey;
exports.uuid = uuid;
var comparators = {
  '=': {
    compare: function compare(value, expected) {
      return value === expected;
    },
    message: function message(value, expected) {
      return 'Expected "' + value + '" to equal "' + expected + '"';
    }
  },
  '!=': {
    compare: function compare(value, expected) {
      return value !== expected;
    },
    message: function message(value, expected) {
      return 'Expected "' + value + '" not to equal "' + expected + '"';
    }
  }
};

function assert(value, expected) {
  var comparatorKey = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : '=';
  var message = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : null;

  var comparator = comparators[comparatorKey];
  if (!comparator) {
    throw new Error('Unexpected comparator key "' + comparatorKey + '"');
  }

  if (!comparator.compare(value, expected)) {
    if (message) {
      throw typeof message === 'string' ? new Error(message) : message;
    } else {
      throw new Error(comparator.message(value, expected));
    }
  }
}

function generateRandomKey(props, Component) {
  return (Component.displayName || Component.name || 'Anonymous') + '__' + uuid();
}

function uuid() {
  return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
    var r = Math.random() * 16 | 0;
    var v = c === 'x' ? r : r & 0x3 | 0x8;
    return v.toString(16);
  });
}
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