@skuhnow/directus-format-title/dist/format-title.cjs.js

Custom string formatter that converts any string into [Title Case](http://www.grammar-monster.com/lessons/capital_letters_title_case.htm)

'use strict';

var prepositions = [
    'about',
    'above',
    'across',
    'after',
    'against',
    'along',
    'among',
    'around',
    'at',
    'because of',
    'before',
    'behind',
    'below',
    'beneath',
    'beside',
    'besides',
    'between',
    'beyond',
    'but',
    'by',
    'concerning',
    'despite',
    'down',
    'during',
    'except',
    'excepting',
    'for',
    'from',
    'in',
    'in front of',
    'inside',
    'in spite of',
    'instead of',
    'into',
    'like',
    'near',
    'of',
    'off',
    'on',
    'onto',
    'out',
    'outside',
    'over',
    'past',
    'regarding',
    'since',
    'through',
    'throughout',
    'to',
    'toward',
    'under',
    'underneath',
    'until',
    'up',
    'upon',
    'up to',
    'with',
    'within',
    'without',
    'with regard to',
    'with respect to',
];

var conjunctions = [
    'and',
    'that',
    'but',
    'or',
    'as',
    'if',
    'when',
    'than',
    'because',
    'while',
    'where',
    'after',
    'so',
    'though',
    'since',
    'until',
    'whether',
    'before',
    'although',
    'nor',
    'like',
    'once',
    'unless',
    'now',
    'except',
];

var acronyms = [
    '2D',
    '3D',
    '4WD',
    'API',
    'BIOS',
    'CCTV',
    'CC',
    'CCV',
    'CD',
    'CD-ROM',
    'COBOL',
    'CIA',
    'CMS',
    'CSS',
    'CSV',
    'CV',
    'DIY',
    'DVD',
    'DB',
    'DNA',
    'E3',
    'EIN',
    'ESPN',
    'FAQ',
    'FAQs',
    'FTP',
    'FPS',
    'FORTRAN',
    'FBI',
    'HTML',
    'HTTP',
    'ID',
    'IP',
    'ISO',
    'JS',
    'JSON',
    'LASER',
    'M2M',
    'M2MM',
    'M2O',
    'MMORPG',
    'NAFTA',
    'NASA',
    'NDA',
    'O2M',
    'PDF',
    'PHP',
    'POP',
    'RAM',
    'RNGR',
    'ROM',
    'RPG',
    'RTFM',
    'RTS',
    'SCUBA',
    'SITCOM',
    'SKU',
    'SMTP',
    'SQL',
    'SSN',
    'SWAT',
    'TBS',
    'TTL',
    'TV',
    'TNA',
    'UI',
    'URL',
    'USB',
    'UWP',
    'VIP',
    'W3C',
    'WYSIWYG',
    'WWW',
    'WWE',
    'WWF',
];

var specialCase = [
    '2FA',
    '3D',
    '4K',
    '5K',
    '8K',
    'CTA',
    'DateTime',
    'GitHub',
    'HD',
    'IBMid',
    'ID',
    'IDs',
    'iMac',
    'IMAX',
    'iOS',
    'IP',
    'iPad',
    'iPhone',
    'iPod',
    'LDAP',
    'LinkedIn',
    'M2M',
    'M2O',
    'macOS',
    'McDonalds',
    'MySQL',
    'O2M',
    'PDFs',
    'pH',
    'PostgreSQL',
    'SEO',
    'UHD',
    'UUID',
    'XSS',
    'YouTube',
];

function handleSpecialWords(str, index, words) {
    const lowercaseStr = str.toLowerCase();
    const uppercaseStr = str.toUpperCase();
    for (const special of specialCase) {
        if (special.toLowerCase() === lowercaseStr)
            return special;
    }
    if (acronyms.includes(uppercaseStr))
        return uppercaseStr;
    // If the word is the first word in the sentence, but it's not a specially
    // cased word or an acronym, return the capitalized string
    if (index === 0)
        return str;
    // If the word is the last word in the sentence, but it's not a specially
    // cased word or an acronym, return the capitalized string
    if (index === words.length - 1)
        return str;
    if (prepositions.includes(lowercaseStr))
        return lowercaseStr;
    if (conjunctions.includes(lowercaseStr))
        return lowercaseStr;
    return str;
}
function combine(acc, str) {
    return `${acc} ${str}`;
}
function capitalize(word) {
    return word.charAt(0).toUpperCase() + word.substring(1);
}
function decamelize(string) {
    return string
        .replace(/([a-z\d])([A-Z])/g, '$1_$2')
        .replace(/([A-Z]+)([A-Z][a-z\d]+)/g, '$1_$2')
        .toLowerCase();
}
function formatTitle(title, separator) {
    if (!separator)
        separator = new RegExp('/s|-|_| ', 'g');
    return decamelize(title).split(separator).map(capitalize).map(handleSpecialWords).reduce(combine);
}

module.exports = formatTitle;
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