senselogic-lingo/conversion.js

Text localization and processing.

// -- FUNCTIONS

export function getUnaccentedCharacter(
    character,
    languageCode = "",
    nextCharacterIsLowerCase = false
    )
{
    switch ( character )
    {
        case "á":
        case "à":
        case "â":
        {
            return "a";
        }
        case "ä":
        {
            if ( languageCode === "de" )
            {
                return "ae";
            }
            else
            {
                return "a";
            }
        }
        case "é":
        case "è":
        case "ê":
        case "ë":
        {
            return "e";
        }
        case "í":
        case "ì":
        case "î":
        case "ï":
        {
            return "i";
        }
        case "ó":
        case "ò":
        case "ô":
        {
            return "o";
        }
        case "ö":
        {
            if ( languageCode === "de" )
            {
                return "oe";
            }
            else
            {
                return "o";
            }
        }
        case "œ" :
        {
            return "oe";
        }
        case "ú":
        case "ù":
        case "û":
        {
            return "u";
        }
        case "ü":
        {
            if ( languageCode === "de" )
            {
                return "ue";
            }
            else
            {
                return "u";
            }
        }
        case "ç":
        {
            return "c";
        }
        case "ñ":
        {
            return "n";
        }
        case "ß":
        {
            return "ss";
        }
        case "Á":
        case "À":
        case "Â":
        {
            return "A";
        }
        case "Ä":
        {
            if ( languageCode === "de" )
            {
                if ( nextCharacterIsLowerCase )
                {
                    return "Ae";
                }
                else
                {
                    return "AE";
                }
            }
            else
            {
                return "A";
            }
        }
        case "É":
        case "È":
        case "Ê":
        case "Ë":
        {
            return "E";
        }
        case "Í":
        case "Ì":
        case "Î":
        case "Ï":
        {
            return "I";
        }
        case "Ó":
        case "Ò":
        case "Ô":
        {
            return "O";
        }
        case "Ö":
        {
            if ( languageCode === "de" )
            {
                if ( nextCharacterIsLowerCase )
                {
                    return "Oe";
                }
                else
                {
                    return "OE";
                }
            }
            else
            {
                return "O";
            }
        }
        case "Œ" :
        {
            return "Oe";
        }
        case "Ú":
        case "Ù":
        case "Û":
        {
            return "U";
        }
        case "Ü":
        {
            if ( languageCode === "de" )
            {
                if ( nextCharacterIsLowerCase )
                {
                    return "Ue";
                }
                else
                {
                    return "UE";
                }
            }
            else
            {
                return "U";
            }
        }
        case "Ç":
        {
            return "C";
        }
        case "Ñ":
        {
            return "N";
        }
        case "ẞ" :
        {
            if ( nextCharacterIsLowerCase )
            {
                return "Ss";
            }
            else
            {
                return "SS";
            }
        }
        default:
        {
            return character;
        }
    }
}

// ~~

export function getUnaccentedText(
    text,
    languageCode = ""
    )
{
    let unaccentedTextArray = [];

    for ( let characterIndex = 0;
          characterIndex < text.length;
          ++characterIndex )
    {
        unaccentedTextArray.push( getUnaccentedCharacter( text.charAt( characterIndex ), languageCode ) );
    }

    return unaccentedTextArray.join( "" );
}