wikimedia/mediawiki-core

/* global moment */

( function () {
    // Define a locale if the current language doesn't have one, so that we can apply overrides
    // without affecting the defaults for English (T313188)
    if ( moment.locale() === 'en' && mw.config.get( 'wgUserLanguage' ) !== 'en' ) {
        moment.defineLocale( mw.config.get( 'wgUserLanguage' ), {
            parentLocale: 'en'
        } );
    }

    // HACK: Overwrite moment's i18n with MediaWiki's for the current language so that
    // wgTranslateNumerals is respected.
    moment.updateLocale( moment.locale(), {
        preparse: function ( s ) {
            var table = mw.language.getDigitTransformTable();
            if ( mw.config.get( 'wgTranslateNumerals' ) ) {
                for ( var i = 0; i < 10; i++ ) {
                    if ( table[ i ] !== undefined ) {
                        // eslint-disable-next-line security/detect-non-literal-regexp
                        s = s.replace( new RegExp( mw.util.escapeRegExp( table[ i ] ), 'g' ), i );
                    }
                }
            }
            // HACK: momentjs replaces commas in some languages, which is the only other use of preparse
            // aside from digit transformation. We can only override preparse, not extend it, so we
            // have to replicate the comma replacement functionality here.
            if ( [ 'ar', 'ar-sa', 'fa' ].indexOf( mw.config.get( 'wgUserLanguage' ) ) !== -1 ) {
                s = s.replace( /،/g, ',' );
            }
            return s;
        },
        postformat: function ( s ) {
            var table = mw.language.getDigitTransformTable();
            if ( mw.config.get( 'wgTranslateNumerals' ) ) {
                for ( var i = 0; i < 10; i++ ) {
                    if ( table[ i ] !== undefined ) {
                        // eslint-disable-next-line security/detect-non-literal-regexp
                        s = s.replace( new RegExp( i, 'g' ), table[ i ] );
                    }
                }
            }
            // HACK: momentjs replaces commas in some languages, which is the only other use of postformat
            // aside from digit transformation. We can only override postformat, not extend it, so we
            // have to replicate the comma replacement functionality here.
            if ( [ 'ar', 'ar-sa', 'fa' ].indexOf( mw.config.get( 'wgUserLanguage' ) ) !== -1 ) {
                s = s.replace( /,/g, '،' );
            }
            return s;
        }
    } );
}() );