Function convertFormattedText

conversion.ts:37–117

(text: string, entities: Record<string, any[]>, display_text_range: [number, number])

}

export function convertFormattedText(text: string, entities: Record<string, any[]>, display_text_range: [number, number]): Record<string, any> {
    // collate all entities into one list
    const list = [];
    if (entities.user_mentions) {
        for (const o of entities.user_mentions) {
            o.type = 'user_mention';
            list.push(o);
        }
    }
    if (entities.urls) {
        for (const o of entities.urls) {
            o.type = 'url';
            list.push(o);
        }
    }
    if (entities.hashtags) {
        for (const o of entities.hashtags) {
            o.type = 'hashtag';
            list.push(o);
        }
    }
    // a fake 'end' entity
    list.push({type: 'end', indices: [display_text_range[1], display_text_range[1]]});

    // add a space so that the library won't mangle the 'end' entity
    // that way, an emoji at the end of a tweet doesn't get cut off
    twitter.modifyIndicesFromUnicodeToUTF16(text + ' ', list);

    const output = [];
    const mentions = [];
    const tags = [];
    let lastPos = 0;
    let entityNum = 0;

    while (entityNum < list.length) {
        const entity = list[entityNum];
        entityNum += 1;

        if (entity.indices[0] > lastPos)
            output.push(text.substring(lastPos, entity.indices[0]));

        if (entity.type === 'user_mention') {
            const url = `${CONFIG.root}/@${entity.screen_name}`;
            mentions.push({
                id: entity.id_str,
                username: entity.screen_name,
                url,
                acct: entity.screen_name
            });
            const urlEscape = twitter.htmlEscape(url);
            const username = twitter.htmlEscape(entity.screen_name);
            output.push(`<span class="h-card"><a href="${urlEscape}" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>${username}</span></a></span>`);
        } else if (entity.type === 'url') {
            // Remap tweet URLs
            const match = /^https:\/\/twitter.com\/([^/]+)\/status\/(\d+)/.exec(entity.expanded_url);
            if (match) {
                entity.expanded_url = `${CONFIG.root}/@${match[1]}/${match[2]}`;
            }