lint-js: Reorder function to no-use-before-define

'showCustomContent' and 'showTopicsTopic' was used before it was
defined. This patch reorders the function declaration.

https://eslint.org/docs/rules/no-use-before-define

https://phabricator.endlessm.com/T31232

kolibri_explore_plugin/assets/src/modules/topicsTree/handlers.js

@@ -10,85 +10,6 @@ import { ContentNodeKinds } from 'kolibri.coreVue.vuex.constants';
 import { PageNames, CUSTOM_PRESENTATION_TITLE } from '../../constants';
 import { _collectionState, normalizeContentNode, contentState } from '../coreExplore/utils';
 
-export function showTopicsChannel(store, id) {
-  return store.dispatch('loading').then(() => {
-    store.commit('SET_PAGE_NAME', PageNames.TOPICS_CHANNEL);
-    // Check if the channel has a node with a custom presentation. If
-    // so, go to it directly.
-    const getParams = {
-      search: CUSTOM_PRESENTATION_TITLE,
-      kind: ContentNodeKinds.HTML5,
-      channel_id: id,
-    };
-    ContentNodeSearchResource.getCollection(getParams)
-      .fetch()
-      .then(({ results }) => {
-        if (results.length) {
-          return showCustomContent(store, results[0].id);
-        }
-        return showTopicsTopic(store, { id, isRoot: true });
-      });
-  });
-}
-
-export function showTopicsContent(store, id) {
-  store.commit('SET_EMPTY_LOGGING_STATE');
-  store.commit('CORE_SET_PAGE_LOADING', true);
-  store.commit('SET_PAGE_NAME', PageNames.TOPICS_CONTENT);
-
-  const promises = [
-    ContentNodeResource.fetchModel({ id }),
-    ContentNodeResource.fetchNextContent(id),
-    store.dispatch('setChannelInfo'),
-  ];
-  ConditionalPromise.all(promises).only(
-    samePageCheckGenerator(store),
-    ([content, nextContent]) => {
-      const currentChannel = store.getters.getChannelObject(content.channel_id);
-      if (!currentChannel) {
-        router.replace({ name: PageNames.CONTENT_UNAVAILABLE });
-        return;
-      }
-      store.commit('topicsTree/SET_STATE', {
-        content: contentState(content, nextContent),
-        channel: currentChannel,
-      });
-      store.commit('CORE_SET_PAGE_LOADING', false);
-      store.commit('CORE_SET_ERROR', null);
-    },
-    error => {
-      store.dispatch('handleApiError', error);
-    }
-  );
-}
-
-export function showCustomContent(store, id) {
-  store.commit('SET_EMPTY_LOGGING_STATE');
-  store.commit('CORE_SET_PAGE_LOADING', true);
-  store.commit('SET_PAGE_NAME', PageNames.TOPICS_CUSTOM_CHANNEL);
-
-  const promises = [ContentNodeResource.fetchModel({ id }), store.dispatch('setChannelInfo')];
-  ConditionalPromise.all(promises).only(
-    samePageCheckGenerator(store),
-    ([content]) => {
-      const currentChannel = store.getters.getChannelObject(content.channel_id);
-      if (!currentChannel) {
-        router.replace({ name: PageNames.CONTENT_UNAVAILABLE });
-        return;
-      }
-      store.commit('topicsTree/SET_STATE', {
-        content: contentState(content, content),
-        channel: currentChannel,
-      });
-      store.commit('CORE_SET_PAGE_LOADING', false);
-      store.commit('CORE_SET_ERROR', null);
-    },
-    error => {
-      store.dispatch('handleApiError', error);
-    }
-  );
-}
-
 export function showTopicsTopic(store, { id, isRoot = false }) {
   return store.dispatch('loading').then(() => {
     store.commit('SET_PAGE_NAME', isRoot ? PageNames.TOPICS_CHANNEL : PageNames.TOPICS_TOPIC);
@@ -143,3 +64,82 @@ export function showTopicsTopic(store, { id, isRoot = false }) {
     );
   });
 }
+
+export function showCustomContent(store, id) {
+  store.commit('SET_EMPTY_LOGGING_STATE');
+  store.commit('CORE_SET_PAGE_LOADING', true);
+  store.commit('SET_PAGE_NAME', PageNames.TOPICS_CUSTOM_CHANNEL);
+
+  const promises = [ContentNodeResource.fetchModel({ id }), store.dispatch('setChannelInfo')];
+  ConditionalPromise.all(promises).only(
+    samePageCheckGenerator(store),
+    ([content]) => {
+      const currentChannel = store.getters.getChannelObject(content.channel_id);
+      if (!currentChannel) {
+        router.replace({ name: PageNames.CONTENT_UNAVAILABLE });
+        return;
+      }
+      store.commit('topicsTree/SET_STATE', {
+        content: contentState(content, content),
+        channel: currentChannel,
+      });
+      store.commit('CORE_SET_PAGE_LOADING', false);
+      store.commit('CORE_SET_ERROR', null);
+    },
+    error => {
+      store.dispatch('handleApiError', error);
+    }
+  );
+}
+
+export function showTopicsChannel(store, id) {
+  return store.dispatch('loading').then(() => {
+    store.commit('SET_PAGE_NAME', PageNames.TOPICS_CHANNEL);
+    // Check if the channel has a node with a custom presentation. If
+    // so, go to it directly.
+    const getParams = {
+      search: CUSTOM_PRESENTATION_TITLE,
+      kind: ContentNodeKinds.HTML5,
+      channel_id: id,
+    };
+    ContentNodeSearchResource.getCollection(getParams)
+      .fetch()
+      .then(({ results }) => {
+        if (results.length) {
+          return showCustomContent(store, results[0].id);
+        }
+        return showTopicsTopic(store, { id, isRoot: true });
+      });
+  });
+}
+
+export function showTopicsContent(store, id) {
+  store.commit('SET_EMPTY_LOGGING_STATE');
+  store.commit('CORE_SET_PAGE_LOADING', true);
+  store.commit('SET_PAGE_NAME', PageNames.TOPICS_CONTENT);
+
+  const promises = [
+    ContentNodeResource.fetchModel({ id }),
+    ContentNodeResource.fetchNextContent(id),
+    store.dispatch('setChannelInfo'),
+  ];
+  ConditionalPromise.all(promises).only(
+    samePageCheckGenerator(store),
+    ([content, nextContent]) => {
+      const currentChannel = store.getters.getChannelObject(content.channel_id);
+      if (!currentChannel) {
+        router.replace({ name: PageNames.CONTENT_UNAVAILABLE });
+        return;
+      }
+      store.commit('topicsTree/SET_STATE', {
+        content: contentState(content, nextContent),
+        channel: currentChannel,
+      });
+      store.commit('CORE_SET_PAGE_LOADING', false);
+      store.commit('CORE_SET_ERROR', null);
+    },
+    error => {
+      store.dispatch('handleApiError', error);
+    }
+  );
+}