var i,
patArray = pat.split( ' ' );
for ( i = 0; i < patArray.length; i++ ) {
- if ( patArray[i].length === 0 ) {
+ if ( patArray[ i ].length === 0 ) {
continue;
}
- $.highlightText.innerHighlight( node, patArray[i] );
+ $.highlightText.innerHighlight( node, patArray[ i ] );
}
return node;
},
// scans a node looking for the pattern and wraps a span around each match
innerHighlight: function ( node, pat ) {
var i, match, pos, spannode, middlebit, middleclone;
- // if this is a text node
- if ( node.nodeType === 3 ) {
+ if ( node.nodeType === Node.TEXT_NODE ) {
// TODO - need to be smarter about the character matching here.
// non latin characters can make regex think a new word has begun: do not use \b
// http://stackoverflow.com/questions/3787072/regex-wordwrap-with-utf8-characters-in-js
// look for an occurrence of our pattern and store the starting position
match = node.data.match( new RegExp( '(^|\\s)' + mw.RegExp.escape( pat ), 'i' ) );
if ( match ) {
- pos = match.index + match[1].length; // include length of any matched spaces
+ pos = match.index + match[ 1 ].length; // include length of any matched spaces
// create the span wrapper for the matched text
spannode = document.createElement( 'span' );
spannode.className = 'highlight';
// replace the matched node, with our span-wrapped clone of the matched node
middlebit.parentNode.replaceChild( spannode, middlebit );
}
- // if this is an element with childnodes, and not a script, style or an element we created
- } else if ( node.nodeType === 1
- && node.childNodes
- && !/(script|style)/i.test( node.tagName )
- && !( node.tagName.toLowerCase() === 'span'
- && node.className.match( /\bhighlight/ )
+ } else if (
+ node.nodeType === Node.ELEMENT_NODE &&
+ // element with childnodes, and not a script, style or an element we created
+ node.childNodes &&
+ !/(script|style)/i.test( node.tagName ) &&
+ !(
+ node.tagName.toLowerCase() === 'span' &&
+ node.className.match( /\bhighlight/ )
)
) {
for ( i = 0; i < node.childNodes.length; ++i ) {
// call the highlight function for each child node
- $.highlightText.innerHighlight( node.childNodes[i], pat );
+ $.highlightText.innerHighlight( node.childNodes[ i ], pat );
}
}
}