21 lines
602 B
JavaScript
21 lines
602 B
JavaScript
import { SUBSCRIBE, UNSUBSCRIBE } from '../actions/subscribe';
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import { RESOURCES_REMOVED } from '../actions/resources';
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export default function subscribe(state = [], action) {
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switch (action.type) {
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case SUBSCRIBE: {
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const { ids, serial } = action;
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return [ ...state, ...ids.map(id => ({ serial, id })) ];
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}
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case UNSUBSCRIBE: {
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const ids = new Set(action.ids);
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return state.filter(sub => !ids.has(sub.id));
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}
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case RESOURCES_REMOVED: {
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const ids = new Set(action.ids);
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return state.filter(sub => !ids.has(sub.id));
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}
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}
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return state;
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}
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