hometown/app/javascript/mastodon/reducers/compose.js

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import {
COMPOSE_MOUNT,
COMPOSE_UNMOUNT,
COMPOSE_CHANGE,
COMPOSE_REPLY,
COMPOSE_REPLY_CANCEL,
COMPOSE_MENTION,
COMPOSE_SUBMIT_REQUEST,
COMPOSE_SUBMIT_SUCCESS,
COMPOSE_SUBMIT_FAIL,
COMPOSE_UPLOAD_REQUEST,
COMPOSE_UPLOAD_SUCCESS,
COMPOSE_UPLOAD_FAIL,
COMPOSE_UPLOAD_UNDO,
COMPOSE_UPLOAD_PROGRESS,
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,
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COMPOSE_VISIBILITY_CHANGE,
COMPOSE_COMPOSING_CHANGE,
COMPOSE_EMOJI_INSERT,
COMPOSE_UPLOAD_CHANGE_REQUEST,
COMPOSE_UPLOAD_CHANGE_SUCCESS,
COMPOSE_UPLOAD_CHANGE_FAIL,
COMPOSE_RESET,
} from '../actions/compose';
import { TIMELINE_DELETE } from '../actions/timelines';
import { STORE_HYDRATE } from '../actions/store';
import { Map as ImmutableMap, List as ImmutableList, OrderedSet as ImmutableOrderedSet, fromJS } from 'immutable';
import uuid from '../uuid';
import { me } from '../initial_state';
const allowedAroundShortCode = '><\u0085\u0020\u00a0\u1680\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000\u2028\u2029\u0009\u000a\u000b\u000c\u000d';
const initialState = ImmutableMap({
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mounted: 0,
sensitive: false,
spoiler: false,
spoiler_text: '',
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privacy: null,
text: '',
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focusDate: null,
preselectDate: null,
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in_reply_to: null,
is_composing: false,
is_submitting: false,
is_uploading: false,
progress: 0,
media_attachments: ImmutableList(),
suggestion_token: null,
suggestions: ImmutableList(),
default_privacy: 'public',
default_sensitive: false,
resetFileKey: Math.floor((Math.random() * 0x10000)),
idempotencyKey: null,
tagHistory: ImmutableList(),
});
function statusToTextMentions(state, status) {
let set = ImmutableOrderedSet([]);
if (status.getIn(['account', 'id']) !== me) {
set = set.add(`@${status.getIn(['account', 'acct'])} `);
}
return set.union(status.get('mentions').filterNot(mention => mention.get('id') === me).map(mention => `@${mention.get('acct')} `)).join('');
};
function clearAll(state) {
return state.withMutations(map => {
map.set('text', '');
map.set('spoiler', false);
map.set('spoiler_text', '');
map.set('is_submitting', false);
map.set('in_reply_to', null);
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map.set('privacy', state.get('default_privacy'));
map.set('sensitive', false);
map.update('media_attachments', list => list.clear());
map.set('idempotencyKey', uuid());
});
};
function appendMedia(state, media) {
const prevSize = state.get('media_attachments').size;
return state.withMutations(map => {
map.update('media_attachments', list => list.push(media));
map.set('is_uploading', false);
map.set('resetFileKey', Math.floor((Math.random() * 0x10000)));
map.set('focusDate', new Date());
map.set('idempotencyKey', uuid());
if (prevSize === 0 && (state.get('default_sensitive') || state.get('spoiler'))) {
map.set('sensitive', true);
}
});
};
function removeMedia(state, mediaId) {
const prevSize = state.get('media_attachments').size;
return state.withMutations(map => {
map.update('media_attachments', list => list.filterNot(item => item.get('id') === mediaId));
map.set('idempotencyKey', uuid());
if (prevSize === 1) {
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map.set('sensitive', false);
}
});
};
const insertSuggestion = (state, position, token, completion) => {
return state.withMutations(map => {
map.update('text', oldText => `${oldText.slice(0, position)}${completion} ${oldText.slice(position + token.length)}`);
map.set('suggestion_token', null);
map.update('suggestions', ImmutableList(), list => list.clear());
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map.set('focusDate', new Date());
map.set('idempotencyKey', uuid());
});
};
const updateSuggestionTags = (state, token) => {
const prefix = token.slice(1);
return state.merge({
suggestions: state.get('tagHistory')
.filter(tag => tag.startsWith(prefix))
.slice(0, 4)
.map(tag => '#' + tag),
suggestion_token: token,
});
};
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const insertEmoji = (state, position, emojiData) => {
const oldText = state.get('text');
const needsSpace = emojiData.custom && position > 0 && !allowedAroundShortCode.includes(oldText[position - 1]);
const emoji = needsSpace ? ' ' + emojiData.native : emojiData.native;
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return state.merge({
text: `${oldText.slice(0, position)}${emoji} ${oldText.slice(position)}`,
focusDate: new Date(),
idempotencyKey: uuid(),
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});
};
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const privacyPreference = (a, b) => {
if (a === 'direct' || b === 'direct') {
return 'direct';
} else if (a === 'private' || b === 'private') {
return 'private';
} else if (a === 'unlisted' || b === 'unlisted') {
return 'unlisted';
} else {
return 'public';
}
};
const hydrate = (state, hydratedState) => {
state = clearAll(state.merge(hydratedState));
if (hydratedState.has('text')) {
state = state.set('text', hydratedState.get('text'));
}
return state;
};
export default function compose(state = initialState, action) {
switch(action.type) {
case STORE_HYDRATE:
return hydrate(state, action.state.get('compose'));
case COMPOSE_MOUNT:
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return state.set('mounted', state.get('mounted') + 1);
case COMPOSE_UNMOUNT:
return state
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.set('mounted', Math.max(state.get('mounted') - 1, 0))
.set('is_composing', false);
case COMPOSE_SENSITIVITY_CHANGE:
return state.withMutations(map => {
if (!state.get('spoiler')) {
map.set('sensitive', !state.get('sensitive'));
}
map.set('idempotencyKey', uuid());
});
case COMPOSE_SPOILERNESS_CHANGE:
return state.withMutations(map => {
map.set('spoiler_text', '');
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map.set('spoiler', !state.get('spoiler'));
map.set('idempotencyKey', uuid());
if (!state.get('sensitive') && state.get('media_attachments').size >= 1) {
map.set('sensitive', true);
}
});
case COMPOSE_SPOILER_TEXT_CHANGE:
return state
.set('spoiler_text', action.text)
.set('idempotencyKey', uuid());
case COMPOSE_VISIBILITY_CHANGE:
return state
.set('privacy', action.value)
.set('idempotencyKey', uuid());
case COMPOSE_CHANGE:
return state
.set('text', action.text)
.set('idempotencyKey', uuid());
case COMPOSE_COMPOSING_CHANGE:
return state.set('is_composing', action.value);
case COMPOSE_REPLY:
return state.withMutations(map => {
map.set('in_reply_to', action.status.get('id'));
map.set('text', statusToTextMentions(state, action.status));
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map.set('privacy', privacyPreference(action.status.get('visibility'), state.get('default_privacy')));
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map.set('focusDate', new Date());
map.set('preselectDate', new Date());
map.set('idempotencyKey', uuid());
if (action.status.get('spoiler_text').length > 0) {
map.set('spoiler', true);
map.set('spoiler_text', action.status.get('spoiler_text'));
} else {
map.set('spoiler', false);
map.set('spoiler_text', '');
}
});
case COMPOSE_REPLY_CANCEL:
case COMPOSE_RESET:
return state.withMutations(map => {
map.set('in_reply_to', null);
map.set('text', '');
map.set('spoiler', false);
map.set('spoiler_text', '');
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map.set('privacy', state.get('default_privacy'));
map.set('idempotencyKey', uuid());
});
case COMPOSE_SUBMIT_REQUEST:
case COMPOSE_UPLOAD_CHANGE_REQUEST:
return state.set('is_submitting', true);
case COMPOSE_SUBMIT_SUCCESS:
return clearAll(state);
case COMPOSE_SUBMIT_FAIL:
case COMPOSE_UPLOAD_CHANGE_FAIL:
return state.set('is_submitting', false);
case COMPOSE_UPLOAD_REQUEST:
return state.set('is_uploading', true);
case COMPOSE_UPLOAD_SUCCESS:
return appendMedia(state, fromJS(action.media));
case COMPOSE_UPLOAD_FAIL:
return state.set('is_uploading', false);
case COMPOSE_UPLOAD_UNDO:
return removeMedia(state, action.media_id);
case COMPOSE_UPLOAD_PROGRESS:
return state.set('progress', Math.round((action.loaded / action.total) * 100));
case COMPOSE_MENTION:
return state
.update('text', text => `${text}@${action.account.get('acct')} `)
.set('focusDate', new Date())
.set('idempotencyKey', uuid());
case COMPOSE_SUGGESTIONS_CLEAR:
return state.update('suggestions', ImmutableList(), list => list.clear()).set('suggestion_token', null);
case COMPOSE_SUGGESTIONS_READY:
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);
} else {
return state;
}
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case COMPOSE_EMOJI_INSERT:
return insertEmoji(state, action.position, action.emoji);
case COMPOSE_UPLOAD_CHANGE_SUCCESS:
return state
.set('is_submitting', false)
.update('media_attachments', list => list.map(item => {
if (item.get('id') === action.media.id) {
return fromJS(action.media);
}
return item;
}));
default:
return state;
}
};