/**
 * @output wp-includes/js/wp-sanitize.js
 */

( function () {

window.wp = window.wp || {};

/**
* wp.sanitize
*
* Helper functions to sanitize strings.
*/
wp.sanitize = {

/**
* Strip HTML tags.
*
* @param {string} text Text to have the HTML tags striped out of.
*
* @return  Stripped text.
*/
stripTags: function( text ) {
text = text || '';

// Do the replacement.
var _text = text
.replace( /<!--[\s\S]*?(-->|$)/g, '' )
.replace( /<(script|style)[^>]*>[\s\S]*?(<\/\1>|$)/ig, '' )
.replace( /<\/?[a-z][\s\S]*?(>|$)/ig, '' );

// If the initial text is not equal to the modified text,
// do the search-replace again, until there is nothing to be replaced.
if ( _text !== text ) {
return wp.sanitize.stripTags( _text );
}

// Return the text with stripped tags.
return _text;
},

/**
* Strip HTML tags and convert HTML entities.
*
* @param {string} text Text to strip tags and convert HTML entities.
*
* @return Sanitized text. False on failure.
*/
stripTagsAndEncodeText: function( text ) {
var _text = wp.sanitize.stripTags( text ),
textarea = document.createElement( 'textarea' );

try {
textarea.textContent = _text;
_text = wp.sanitize.stripTags( textarea.value );
} catch ( er ) {}

return _text;
}
};
}() );