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/*!
* Logger for MediaWiki javascript.
* Implements the stub left by the main 'mediawiki' module.
*
* @author Michael Dale <mdale@wikimedia.org>
* @author Trevor Parscal <tparscal@wikimedia.org>
*/
( function ( mw, $ ) {
// Reference to dummy
// We don't need the dummy, but it has other methods on it
// that we need to restore afterwards.
var original = mw.log,
slice = Array.prototype.slice;
/**
* Logs a message to the console in debug mode.
*
* In the case the browser does not have a console API, a console is created on-the-fly by appending
* a `<div id="mw-log-console">` element to the bottom of the body and then appending this and future
* messages to that, instead of the console.
*
* @member mw.log
* @param {string...} msg Messages to output to console.
*/
mw.log = function () {
// Turn arguments into an array
var args = slice.call( arguments ),
// Allow log messages to use a configured prefix to identify the source window (ie. frame)
prefix = mw.config.exists( 'mw.log.prefix' ) ? mw.config.get( 'mw.log.prefix' ) + '> ' : '';
// Try to use an existing console
// Generally we can cache this, but in this case we want to re-evaluate this as a
// global property live so that things like Firebug Lite can take precedence.
if ( window.console && window.console.log && window.console.log.apply ) {
args.unshift( prefix );
window.console.log.apply( window.console, args );
return;
}
// If there is no console, use our own log box
mw.loader.using( 'jquery.footHovzer', function () {
var hovzer,
d = new Date(),
// Create HH:MM:SS.MIL timestamp
time = ( d.getHours() < 10 ? '0' + d.getHours() : d.getHours() ) +
':' + ( d.getMinutes() < 10 ? '0' + d.getMinutes() : d.getMinutes() ) +
':' + ( d.getSeconds() < 10 ? '0' + d.getSeconds() : d.getSeconds() ) +
'.' + ( d.getMilliseconds() < 10 ? '00' + d.getMilliseconds() : ( d.getMilliseconds() < 100 ? '0' + d.getMilliseconds() : d.getMilliseconds() ) ),
$log = $( '#mw-log-console' );
if ( !$log.length ) {
$log = $( '<div id="mw-log-console"></div>' ).css( {
overflow: 'auto',
height: '150px',
backgroundColor: 'white',
borderTop: 'solid 2px #ADADAD'
} );
hovzer = $.getFootHovzer();
hovzer.$.append( $log );
hovzer.update();
}
$log.append(
$( '<div>' )
.css( {
borderBottom: 'solid 1px #DDDDDD',
fontSize: 'small',
fontFamily: 'monospace',
whiteSpace: 'pre-wrap',
padding: '0.125em 0.25em'
} )
.text( prefix + args.join( ', ' ) )
.prepend( '<span style="float: right;">[' + time + ']</span>' )
);
} );
};
// Restore original methods
mw.log.warn = original.warn;
mw.log.deprecate = original.deprecate;
}( mediaWiki, jQuery ) );
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