57 lines
1.7 KiB
TypeScript
57 lines
1.7 KiB
TypeScript
// Copyright 2021 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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import { times } from 'lodash';
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import * as log from '../logging/log';
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import { DEFAULT_PREFERRED_REACTION_EMOJI_SHORT_NAMES } from './constants';
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import { convertShortName } from '../components/emoji/lib';
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import { isValidReactionEmoji } from './isValidReactionEmoji';
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const MAX_STORED_LENGTH = 20;
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const MAX_ITEM_LENGTH = 20;
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const PREFERRED_REACTION_EMOJI_COUNT =
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DEFAULT_PREFERRED_REACTION_EMOJI_SHORT_NAMES.length;
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export function getPreferredReactionEmoji(
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storedValue: unknown,
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skinTone: number
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): Array<string> {
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const storedValueAsArray: Array<unknown> = Array.isArray(storedValue)
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? storedValue
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: [];
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return times(PREFERRED_REACTION_EMOJI_COUNT, index => {
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const storedItem: unknown = storedValueAsArray[index];
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if (isValidReactionEmoji(storedItem)) {
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return storedItem;
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}
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const fallbackShortName: undefined | string =
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DEFAULT_PREFERRED_REACTION_EMOJI_SHORT_NAMES[index];
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if (!fallbackShortName) {
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log.error(
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'Index is out of range. Is the preferred count larger than the list of fallbacks?'
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);
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return '❤️';
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}
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const fallbackEmoji = convertShortName(fallbackShortName, skinTone);
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if (!fallbackEmoji) {
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log.error(
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'No fallback emoji. Does the fallback list contain an invalid short name?'
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);
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return '❤️';
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}
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return fallbackEmoji;
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});
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}
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export const canBeSynced = (value: unknown): value is Array<string> =>
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Array.isArray(value) &&
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value.length <= MAX_STORED_LENGTH &&
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value.every(
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item => typeof item === 'string' && item.length <= MAX_ITEM_LENGTH
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);
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