| 1 | import { UPDATE_SCROLL_TOP, START_CONSECUTIVE_TOGGLE } from './actions';
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| 2 |
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| 3 | function initialScrollTop(props, state = 0, action) {
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| 4 | if (!props.preserveScrollTop) {
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| 5 | return 0;
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| 6 | }
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| 7 |
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| 8 | return action.type === UPDATE_SCROLL_TOP ? action.scrollTop : state;
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| 9 | }
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| 10 |
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| 11 | function startConsecutiveToggle(props, state, action) {
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| 12 | return action.type === START_CONSECUTIVE_TOGGLE ? action.id : state;
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| 13 | }
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| 14 |
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| 15 | export default function reducer(props, state = {}, action) {
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| 16 | return {
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| 17 | initialScrollTop: initialScrollTop(props, state.initialScrollTop, action),
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| 18 | consecutiveToggleStartId: startConsecutiveToggle(
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| 19 | props,
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| 20 | state.consecutiveToggleStartId,
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| 21 | action
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| 22 | )
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| 23 | };
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| 24 | }
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