User:SoledadKabocha/cancelRedirectNo.js

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This user script seems to have a documentation page at User:SoledadKabocha/cancelRedirectNo.

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/* If you want to use this script, simply add the following line to your common.js or skin.js:
 
importScript('User:SoledadKabocha/cancelRedirectNo.js'); // Linkback: [[User:SoledadKabocha/cancelRedirectNo.js]]
 
* (Please keep the comment so I can see how many people use this).
*/
var CancelRedirectNoFuncs = {
    reportError:function( errStr ) {
        if ( !window.logErrorsFromCancelRedirectNo ) return; // hopefully less confusing than "CancelRedirectNoLogErrors"
        if ( window.console === undefined || typeof(window.console.error) != 'function' )
            throw new Error( errStr );
        window.console.error( errStr );
        return;
    },

    checkIfRedirect:function( r, sts, xhr ) {
        if ( !r.query ) {
            CancelRedirectNoFuncs.reportError( 'cancelRedirectNo: API error while editing ' + wgPageName );
            return;
        }
        if ( !r.query.pages ) {
            CancelRedirectNoFuncs.reportError( 'cancelRedirectNo: API did not find page titled ' + wgPageName );
            return;
        }
        if ( !r.query.pages[wgArticleId+''] ) {
            CancelRedirectNoFuncs.reportError( 'cancelRedirectNo: API did not find page with title ' + wgPageName + ' and id ' + wgArticleId );
            return;
        }
        if ( r.query.pages[wgArticleId+''].redirect !== undefined ) {
            var cancLink = $( '#mw-editform-cancel' );
            var origHref = '';
            if ( cancLink ) { origHref = cancLink.attr( 'href' ); }
            else { CancelRedirectNoFuncs.reportError( 'cancelRedirectNo: Cancel link not found while editing ' + wgPageName ); }
            if ( origHref ) cancLink.attr( 'href', origHref + ( origHref.indexOf('?') == -1 ? '?' : '&' ) + 'redirect=no' );
        }
    }
};

if ( ( wgAction == 'edit' || wgAction == 'submit' ) && wgArticleId != 0 ) {
    $( document ).ready( function( ) {
        var q = {
            format:'json',
            action:'query',
            titles:wgPageName.replace(/_/g, ' '),
            prop:'info'
        };
        $.ajax( {
            url:mw.util.wikiScript('api'),
            dataType:'json',
            type:'POST',
            data:q,
            rawdata:q,
            success:CancelRedirectNoFuncs.checkIfRedirect,
            error:function( xhr, textStatus, errorThrown ) {
                CancelRedirectNoFuncs.reportError( 'cancelRedirectNo: AJAX error: ' + textStatus + ' ' + errorThrown + ', while editing ' + wgPageName );
            }
        } );
    } );
}