WordPress/wp-admin/js/word-count.js

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( function() {
function WordCounter( settings ) {
var key,
shortcodes;
if ( settings ) {
for ( key in settings ) {
if ( settings.hasOwnProperty( key ) ) {
this.settings[ key ] = settings[ key ];
}
}
}
shortcodes = this.settings.l10n.shortcodes;
if ( shortcodes && shortcodes.length ) {
this.settings.shortcodesRegExp = new RegExp( '\\[\\/?(?:' + shortcodes.join( '|' ) + ')[^\\]]*?\\]', 'g' );
}
}
WordCounter.prototype.settings = {
HTMLRegExp: /<\/?[a-z][^>]*?>/gi,
HTMLcommentRegExp: /<!--[\s\S]*?-->/g,
spaceRegExp: /&nbsp;|&#160;/gi,
HTMLEntityRegExp: /&\S+?;/g,
connectorRegExp: /--|\u2014/g,
removeRegExp: new RegExp( [
'[',
// Basic Latin (extract)
'\u0021-\u0040\u005B-\u0060\u007B-\u007E',
// Latin-1 Supplement (extract)
'\u0080-\u00BF\u00D7\u00F7',
// General Punctuation
// Superscripts and Subscripts
// Currency Symbols
// Combining Diacritical Marks for Symbols
// Letterlike Symbols
// Number Forms
// Arrows
// Mathematical Operators
// Miscellaneous Technical
// Control Pictures
// Optical Character Recognition
// Enclosed Alphanumerics
// Box Drawing
// Block Elements
// Geometric Shapes
// Miscellaneous Symbols
// Dingbats
// Miscellaneous Mathematical Symbols-A
// Supplemental Arrows-A
// Braille Patterns
// Supplemental Arrows-B
// Miscellaneous Mathematical Symbols-B
// Supplemental Mathematical Operators
// Miscellaneous Symbols and Arrows
'\u2000-\u2BFF',
// Supplemental Punctuation
'\u2E00-\u2E7F',
']'
].join( '' ), 'g' ),
astralRegExp: /[\uD800-\uDBFF][\uDC00-\uDFFF]/g,
wordsRegExp: /\S\s+/g,
characters_excluding_spacesRegExp: /\S/g,
characters_including_spacesRegExp: /[^\f\n\r\t\v\u00AD\u2028\u2029]/g,
l10n: window.wordCountL10n || {}
};
WordCounter.prototype.count = function( text, type ) {
var count = 0;
type = type || this.settings.l10n.type;
if ( type !== 'characters_excluding_spaces' && type !== 'characters_including_spaces' ) {
type = 'words';
}
if ( text ) {
text = text + '\n';
text = text.replace( this.settings.HTMLRegExp, '\n' );
text = text.replace( this.settings.HTMLcommentRegExp, '' );
if ( this.settings.shortcodesRegExp ) {
text = text.replace( this.settings.shortcodesRegExp, '\n' );
}
text = text.replace( this.settings.spaceRegExp, ' ' );
if ( type === 'words' ) {
text = text.replace( this.settings.HTMLEntityRegExp, '' );
text = text.replace( this.settings.connectorRegExp, ' ' );
text = text.replace( this.settings.removeRegExp, '' );
} else {
text = text.replace( this.settings.HTMLEntityRegExp, 'a' );
text = text.replace( this.settings.astralRegExp, 'a' );
}
text = text.match( this.settings[ type + 'RegExp' ] );
if ( text ) {
count = text.length;
}
}
return count;
};
window.wp = window.wp || {};
window.wp.utils = window.wp.utils || {};
window.wp.utils.WordCounter = WordCounter;
} )();