48 lines
1.2 KiB
TypeScript
48 lines
1.2 KiB
TypeScript
import { IReduxState } from '../app/types';
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/**
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* Selector creator for determining if poll results should be displayed or not.
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*
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* @param {string} id - Id of the poll.
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* @returns {Function}
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*/
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export function shouldShowResults(id: string) {
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return function(state: IReduxState) {
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return Boolean(state['features/polls']?.polls[id].showResults);
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};
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}
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/**
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* Selector creator for polls.
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*
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* @param {string} pollId - Id of the poll to get.
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* @returns {Function}
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*/
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export function getPoll(pollId: string) {
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return function(state: IReduxState) {
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return state['features/polls'].polls[pollId];
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};
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}
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/**
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* Selector for calculating the number of unread poll messages.
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*
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* @param {IReduxState} state - The redux state.
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* @returns {number} The number of unread messages.
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*/
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export function getUnreadPollCount(state: IReduxState) {
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const { nbUnreadPolls } = state['features/polls'];
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return nbUnreadPolls;
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}
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/**
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* Determines if the submit poll answer button should be disabled.
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*
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* @param {Array<boolean>} checkBoxStates - The states of the checkboxes.
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* @returns {boolean}
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*/
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export function isSubmitAnswerDisabled(checkBoxStates: Array<boolean>) {
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return !checkBoxStates.find(checked => checked);
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}
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