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Implement tag auto-completion by history (#6621)

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This is a functionality similar to one implemented in Pawoo:
21a3c70f80
This commit is contained in:
Akihiko Odaki 2018-03-05 04:27:25 +09:00 • committed by Eugen Rochko
parent 778b37790b
commit 460e380d38
5 changed files with 95 additions and 7 deletions
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19
app/javascript/mastodon/reducers/compose.js
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@ -16,6 +16,8 @@ import {
COMPOSE_SUGGESTIONS_CLEAR,
COMPOSE_SUGGESTIONS_READY,
COMPOSE_SUGGESTION_SELECT,
COMPOSE_SUGGESTION_TAGS_UPDATE,
COMPOSE_TAG_HISTORY_UPDATE,
COMPOSE_SENSITIVITY_CHANGE,
COMPOSE_SPOILERNESS_CHANGE,
COMPOSE_SPOILER_TEXT_CHANGE,
@ -54,6 +56,7 @@ const initialState = ImmutableMap({
default_sensitive: false,
resetFileKey: Math.floor((Math.random() * 0x10000)),
idempotencyKey: null,
tagHistory: ImmutableList(),
});
function statusToTextMentions(state, status) {
@ -122,6 +125,18 @@ const insertSuggestion = (state, position, token, completion) => {
});
};
const updateSuggestionTags = (state, token) => {
const prefix = token.slice(1);
return state.merge({
suggestions: state.get('tagHistory')
.filter(tag => tag.startsWith(prefix))
.slice(0, 4)
.map(tag => '#' + tag),
suggestion_token: token,
});
};
const insertEmoji = (state, position, emojiData) => {
const emoji = emojiData.native;
@ -252,6 +267,10 @@ export default function compose(state = initialState, action) {
return state.set('suggestions', ImmutableList(action.accounts ? action.accounts.map(item => item.id) : action.emojis)).set('suggestion_token', action.token);
case COMPOSE_SUGGESTION_SELECT:
return insertSuggestion(state, action.position, action.token, action.completion);
case COMPOSE_SUGGESTION_TAGS_UPDATE:
return updateSuggestionTags(state, action.token);
case COMPOSE_TAG_HISTORY_UPDATE:
return state.set('tagHistory', fromJS(action.tags));
case TIMELINE_DELETE:
if (action.id === state.get('in_reply_to')) {
return state.set('in_reply_to', null);