1 | function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) { symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); } keys.push.apply(keys, symbols); } return keys; }
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2 |
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3 | function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
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4 |
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5 | 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; }
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6 |
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7 | import { INIT_COORDS, BEGIN_DRAG, HOVER, END_DRAG, DROP } from '../actions/dragDrop';
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8 | import { areCoordsEqual } from '../utils/equality';
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9 | var initialState = {
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10 | initialSourceClientOffset: null,
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11 | initialClientOffset: null,
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12 | clientOffset: null
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13 | };
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14 | export function reduce() {
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15 | var state = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : initialState;
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16 | var action = arguments.length > 1 ? arguments[1] : undefined;
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17 | var payload = action.payload;
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18 |
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19 | switch (action.type) {
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20 | case INIT_COORDS:
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21 | case BEGIN_DRAG:
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22 | return {
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23 | initialSourceClientOffset: payload.sourceClientOffset,
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24 | initialClientOffset: payload.clientOffset,
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25 | clientOffset: payload.clientOffset
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26 | };
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27 |
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28 | case HOVER:
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29 | if (areCoordsEqual(state.clientOffset, payload.clientOffset)) {
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30 | return state;
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31 | }
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32 |
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33 | return _objectSpread(_objectSpread({}, state), {}, {
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34 | clientOffset: payload.clientOffset
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35 | });
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36 |
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37 | case END_DRAG:
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38 | case DROP:
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39 | return initialState;
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40 |
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41 | default:
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42 | return state;
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43 | }
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44 | } |
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