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33 lines
1020 B
JavaScript
33 lines
1020 B
JavaScript
import { INIT_COORDS, BEGIN_DRAG, HOVER, END_DRAG, DROP, } from '../actions/dragDrop';
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import { areCoordsEqual } from '../utils/equality';
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const initialState = {
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initialSourceClientOffset: null,
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initialClientOffset: null,
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clientOffset: null,
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};
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export function reduce(state = initialState, action) {
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const { payload } = action;
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switch (action.type) {
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case INIT_COORDS:
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case BEGIN_DRAG:
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return {
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initialSourceClientOffset: payload.sourceClientOffset,
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initialClientOffset: payload.clientOffset,
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clientOffset: payload.clientOffset,
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};
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case HOVER:
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if (areCoordsEqual(state.clientOffset, payload.clientOffset)) {
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return state;
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}
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return {
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...state,
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clientOffset: payload.clientOffset,
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};
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case END_DRAG:
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case DROP:
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return initialState;
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default:
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return state;
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}
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}
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