apeman-react-mixins/lib/ap_spin_mixin.js

React mixin set of apeman.

/**
 * Mixin to handle spin.
 * @mixin ApSpinMixin
 */

'use strict';

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

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

var _argx = require('argx');

var _argx2 = _interopRequireDefault(_argx);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

var SPIN_PROP_KEY = '_apSpin';

/** @lends ApSpinMixin */
var ApSpinMixin = {

  // --------------------
  // Custom
  // --------------------
  $apSpinMixed: true,

  /**
   * Count active spin.
   * @param {string} name - Name of spin.
   * @returns {number} - Number of spins.
   */
  getSpinCount: function getSpinCount(name) {
    var s = this;
    name = name || 'default';
    var counts = s.state[SPIN_PROP_KEY] || {};
    return Number(counts[name] || 0);
  },


  /**
   * Set active spin count.
   * @param {string} name - Name of spin.
   * @param {number} count  - Count to set.
   */
  setSpinCount: function setSpinCount(name, count) {
    var s = this;
    name = name || 'default';
    var counts = s.state[SPIN_PROP_KEY] || {};
    counts[name] = count;
    if (s.isMounted()) {
      s.setState(_defineProperty({}, SPIN_PROP_KEY, counts));
    }
  },


  /**
   * Check if spin exists.
   * @returns {boolean} - Exists or not.
   */
  hasSpin: function hasSpin(name) {
    var s = this;
    name = name || 'default';
    return s.getSpinCount(name) > 0;
  },


  /**
   * Increment spin count.
   * @param {string} name - Name of spin.
   */
  incrementSpinCount: function incrementSpinCount(name) {
    var s = this;
    s.setSpinCount(name, s.getSpinCount(name) + 1);
  },


  /**
   * Decrement spin count.
   * @param {string} name - Name of spin.
   */
  decrementSpinCount: function decrementSpinCount(name) {
    var s = this;
    s.setSpinCount(name, s.getSpinCount(name) - 1);
  },


  /**
   * Rest spin count
   * @param {string} name - Name of spin.
   */
  resetSpinCount: function resetSpinCount(name) {
    var s = this;
    s.setSpinCount(name, 0);
  },


  /**
   * Add spin count while active.
   * @param {string|number|symbol} name - Name of spin.
   * @param {function} action - Action to do.
   */
  spinWhile: function spinWhile(name, action) {
    var args = (0, _argx2.default)(arguments);
    name = args.shift('string|number|symbol');
    action = args.pop('function');
    var s = this;
    s.incrementSpinCount(name);
    var promise = action();
    if (!promise) {
      throw new Error('[ApSpinMixin] action must return a promise.');
    }
    return promise.then(function (result) {
      s.decrementSpinCount(name);
      return Promise.resolve(result);
    }).catch(function (err) {
      s.decrementSpinCount(name);
      return Promise.reject(err);
    });
  },


  // --------------------
  // Specs
  // --------------------
  getInitialState: function getInitialState() {
    var s = this;
    return _defineProperty({}, SPIN_PROP_KEY, {});
  }

  // --------------------
  // Lifecycle
  // --------------------

};

exports.default = Object.freeze(ApSpinMixin);
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