dnd-core/lib/reducers/dragOffset.js

Drag and drop sans the GUI

"use strict";
var __assign = (this && this.__assign) || Object.assign || function(t) {
    for (var s, i = 1, n = arguments.length; i < n; i++) {
        s = arguments[i];
        for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
            t[p] = s[p];
    }
    return t;
};
Object.defineProperty(exports, "__esModule", { value: true });
var dragDrop_1 = require("../actions/dragDrop");
var equality_1 = require("../utils/equality");
var initialState = {
    initialSourceClientOffset: null,
    initialClientOffset: null,
    clientOffset: null,
};
function dragOffset(state, action) {
    if (state === void 0) { state = initialState; }
    var payload = action.payload;
    switch (action.type) {
        case dragDrop_1.BEGIN_DRAG:
            return {
                initialSourceClientOffset: payload.sourceClientOffset,
                initialClientOffset: payload.clientOffset,
                clientOffset: payload.clientOffset,
            };
        case dragDrop_1.HOVER:
            if (equality_1.areCoordsEqual(state.clientOffset, payload.clientOffset)) {
                return state;
            }
            return __assign({}, state, { clientOffset: payload.clientOffset });
        case dragDrop_1.END_DRAG:
        case dragDrop_1.DROP:
            return initialState;
        default:
            return state;
    }
}
exports.default = dragOffset;
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