55 lines
1.7 KiB
JavaScript
55 lines
1.7 KiB
JavaScript
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// @flow
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import { createSelector } from 'reselect';
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const selectState = state => state.comments || {};
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export const selectCommentsById = createSelector(selectState, state => state.commentById || {});
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export const selectIsFetchingComments = createSelector(selectState, state => state.isLoading);
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export const selectCommentsByClaimId = createSelector(selectState, selectCommentsById, (state, byId) => {
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const byClaimId = state.byId || {};
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const comments = {};
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// replace every comment_id in the list with the actual comment object
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Object.keys(byClaimId).forEach(claimId => {
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const commentIds = byClaimId[claimId];
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comments[claimId] = Array(commentIds === null ? 0 : commentIds.length);
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for (let i = 0; i < commentIds.length; i++) {
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comments[claimId][i] = byId[commentIds[i]];
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}
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});
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return comments;
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});
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// previously this used a mapping from claimId -> Array<Comments>
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/* export const selectCommentsById = createSelector(
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selectState,
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state => state.byId || {}
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); */
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export const selectCommentsByUri = createSelector(selectState, state => {
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const byUri = state.commentsByUri || {};
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const comments = {};
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Object.keys(byUri).forEach(uri => {
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const claimId = byUri[uri];
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if (claimId === null) {
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comments[uri] = null;
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} else {
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comments[uri] = claimId;
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}
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});
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return comments;
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});
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export const makeSelectCommentsForUri = (uri: string) =>
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createSelector(selectCommentsByClaimId, selectCommentsByUri, (byClaimId, byUri) => {
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const claimId = byUri[uri];
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return byClaimId && byClaimId[claimId];
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});
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// todo: allow SDK to retrieve user comments through comment_list
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// todo: implement selectors for selecting comments owned by user
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