Typography

typography.js

const Typography = (str) => {

    const quotes = {
        singleQuotes: ["\u{201A}", "\u{2018}"],
        doubleQuotes: ["\u{201E}", "\u{201C}"],
    };

    const pattern = 'A-Za-z\\x\{C0\}-\\x\{2FF\}\\x\{370\}-\\x\{1EFF\}';

    var patterns = [{
            request: /(?<![.\\x\{2026\}])\.{3,4}(?![.\\x\{2026\}])/mu,
            replace: "\u{2026}"
        }, // ellipsis  ...
        {
            request: /(?<=[\d ]|^)-(?=[\d ]|$)/,
            replace: "\u{2013}"
        }, // en dash 123-123
        {
            request: /(?<=[^!*+,/:;<:@\\\\_|-])--(?=[^!*+,/:;<:@\\\\_|-])/,
            replace: "\u{2013}"
        }, // en dash alphanum--alphanum
        {
            request: /,-/,
            replace: ",\u{2013}"
        }, // en dash ,-
        {
            request: /(?<!\d)(\d{1,2}\.) (\d{1,2}\.) (\d\d)/,
            replace: "\$1\u{A0}\$2\u{A0}\$3"
        }, // date 23. 1. 1978
        {
            request: /(?<!\d)(\d{1,2}\.) (\d{1,2}\.)/,
            replace: "\$1\u{A0}\$2"
        }, // date 23. 1.
        {
            request: / --- /,
            replace: "\u{A0}\u{2014} "
        }, // em dash ---
        {
            request: / ([\\x\{2013\}\\x\{2014\}])/u,
            replace: "\u{A0}\$1"
        }, // &nbsp; behind dash (dash stays at line end)
        {
            request: / <-{1,2}> /,
            replace: " \u{2194} "
        }, // left right arrow <-->
        {
            request: /-{1,}> /,
            replace: "\u{2192} "
        }, // right arrow -->
        {
            request: / <-{1,}/,
            replace: " \u{2190} "
        }, // left arrow <--
        {
            request: /={1,}> /,
            replace: "\u{21D2} "
        }, // right arrow =:
        {
            request: /\+-/,
            replace: "\u{B1}"
        }, // +-
        {
            request: /(\d+) x (?=\d)/,
            replace: "\$1\u{A0}\u{D7}\u{A0}"
        }, // dimension sign 123 x 123...
        {
            request: /(\d+)x(?=\d)/,
            replace: "\$1\u{D7}"
        }, // dimension sign 123x123...
        {
            request: /(?<=\d)x(?= |,|.|$)/m,
            replace: "\u{D7}"
        }, // dimension sign 123x
        {
            request: /(\S ?)\(TM\)/i,
            replace: "\$1\u{2122}"
        }, // trademark (TM)
        {
            request: /(\S ?)\(R\)/i,
            replace: "\$1\u{AE}"
        }, // registered (R)
        {
            request: /\(C\)( ?\S)/i,
            replace: "\u{A9}\$1"
        }, // copyright (C)
        {
            request: /\(EUR\)/,
            replace: "\u{20AC}"
        }, // Euro (EUR)
        {
            request: /(\d) (?=\d{3})/,
            replace: "\$1\u{A0}"
        }, // (phone) number 1 123 123 123...

        // CONTENT_MARKUP mark: \x17-\x1F, CONTENT_REPLACED mark: \x16, CONTENT_TEXTUAL mark: \x17
        {
            request: /(?<=[^\s\x17])\s+([\x17-\x1F]+)(?=\s)/u,
            replace: '$1'
        }, // remove intermarkup space phase 1
        {
            request: /(?<=\s)([\x17-\x1F]+)\s+/u,
            replace: '$1'
        }, // remove intermarkup space phase 2

        {
            request: /(?<=.{50})\s+(?=[\x17-\x1F]*\S{1,6}[\x17-\x1F]*$)/us,
            replace: "\u{A0}"
        }, // space before last short word

        // nbsp space between number (optionally followed by dot) and word, symbol, punctation, currency symbol
        {
            request: /(?<=^| |\.|,|-|\+|\x16|\(|\d\\x\{A0\})([\x17-\x1F]*\d+\.?[\x17-\x1F]*)\s+(?=[\x17-\x1F]*[%A-Za-z\\x\{C0\}/-\\x\{2FF\}\\x\{370\}/-\\x\{1EFF\}\\x\{b0\}/-\\x\{be\}\\x\{2020\}/-\\x\{214f\}])/mu,
            replace: "\$1\u{A0}"
        },
        // space between preposition and word
        {
            request: /(?<=^|[^0-9A-Za-z\\x\{C0\}/-\\x\{2FF\}\\x\{370\}/-\\x\{1EFF\}])([\x17-\x1F]*[ksvzouiKSVZOUIA][\x17-\x1F]*)\s+(?=[\x17-\x1F]*[0-9A-Za-z\\x\{C0\}/-\\x\{2FF\}\\x\{370\}/-\\x\{1EFF\}])/mus,
            replace: "\$1\u{A0}"
        },
    ];

    for (var i in patterns) {
        str = str.replace(patterns[i].request, patterns[i].replace)
    }

    return str;

};

export default Typography;