Display list column (#5750)

app/javascript/mastodon/actions/lists.js

@@ -0,0 +1,28 @@
+import api from '../api';
+
+export const LIST_FETCH_REQUEST = 'LIST_FETCH_REQUEST';
+export const LIST_FETCH_SUCCESS = 'LIST_FETCH_SUCCESS';
+export const LIST_FETCH_FAIL    = 'LIST_FETCH_FAIL';
+
+export const fetchList = id => (dispatch, getState) => {
+  dispatch(fetchListRequest(id));
+
+  api(getState).get(`/api/v1/lists/${id}`)
+    .then(({ data }) => dispatch(fetchListSuccess(data)))
+    .catch(err => dispatch(fetchListFail(err)));
+};
+
+export const fetchListRequest = id => ({
+  type: LIST_FETCH_REQUEST,
+  id,
+});
+
+export const fetchListSuccess = list => ({
+  type: LIST_FETCH_SUCCESS,
+  list,
+});
+
+export const fetchListFail = error => ({
+  type: LIST_FETCH_FAIL,
+  error,
+});