wp-admin/js/word-count.js

   1 ( function() {
   2         function WordCounter( settings ) {
   3                 var key,
   4                         shortcodes;
   5
   6                 if ( settings ) {
   7                         for ( key in settings ) {
   8                                 if ( settings.hasOwnProperty( key ) ) {
   9                                         this.settings[ key ] = settings[ key ];
  10                                 }
  11                         }
  12                 }
  13
  14                 shortcodes = this.settings.l10n.shortcodes;
  15
  16                 if ( shortcodes && shortcodes.length ) {
  17                         this.settings.shortcodesRegExp = new RegExp( '\\[\\/?(?:' + shortcodes.join( '|' ) + ')[^\\]]*?\\]', 'g' );
  18                 }
  19         }
  20
  21         WordCounter.prototype.settings = {
  22                 HTMLRegExp: /<\/?[a-z][^>]*?>/gi,
  23                 HTMLcommentRegExp: /<!--[\s\S]*?-->/g,
  24                 spaceRegExp: /&nbsp;|&#160;/gi,
  25                 HTMLEntityRegExp: /&\S+?;/g,
  26                 connectorRegExp: /--|\u2014/g,
  27                 removeRegExp: new RegExp( [
  28                         '[',
  29                                 // Basic Latin (extract)
  30                                 '\u0021-\u0040\u005B-\u0060\u007B-\u007E',
  31                                 // Latin-1 Supplement (extract)
  32                                 '\u0080-\u00BF\u00D7\u00F7',
  33                                 // General Punctuation
  34                                 // Superscripts and Subscripts
  35                                 // Currency Symbols
  36                                 // Combining Diacritical Marks for Symbols
  37                                 // Letterlike Symbols
  38                                 // Number Forms
  39                                 // Arrows
  40                                 // Mathematical Operators
  41                                 // Miscellaneous Technical
  42                                 // Control Pictures
  43                                 // Optical Character Recognition
  44                                 // Enclosed Alphanumerics
  45                                 // Box Drawing
  46                                 // Block Elements
  47                                 // Geometric Shapes
  48                                 // Miscellaneous Symbols
  49                                 // Dingbats
  50                                 // Miscellaneous Mathematical Symbols-A
  51                                 // Supplemental Arrows-A
  52                                 // Braille Patterns
  53                                 // Supplemental Arrows-B
  54                                 // Miscellaneous Mathematical Symbols-B
  55                                 // Supplemental Mathematical Operators
  56                                 // Miscellaneous Symbols and Arrows
  57                                 '\u2000-\u2BFF',
  58                                 // Supplemental Punctuation
  59                                 '\u2E00-\u2E7F',
  60                         ']'
  61                 ].join( '' ), 'g' ),
  62                 astralRegExp: /[\uD800-\uDBFF][\uDC00-\uDFFF]/g,
  63                 wordsRegExp: /\S\s+/g,
  64                 characters_excluding_spacesRegExp: /\S/g,
  65                 characters_including_spacesRegExp: /[^\f\n\r\t\v\u00AD\u2028\u2029]/g,
  66                 l10n: window.wordCountL10n || {}
  67         };
  68
  69         WordCounter.prototype.count = function( text, type ) {
  70                 var count = 0;
  71
  72                 type = type || this.settings.l10n.type;
  73
  74                 if ( type !== 'characters_excluding_spaces' && type !== 'characters_including_spaces' ) {
  75                         type = 'words';
  76                 }
  77
  78                 if ( text ) {
  79                         text = text + '\n';
  80
  81                         text = text.replace( this.settings.HTMLRegExp, '\n' );
  82                         text = text.replace( this.settings.HTMLcommentRegExp, '' );
  83
  84                         if ( this.settings.shortcodesRegExp ) {
  85                                 text = text.replace( this.settings.shortcodesRegExp, '\n' );
  86                         }
  87
  88                         text = text.replace( this.settings.spaceRegExp, ' ' );
  89
  90                         if ( type === 'words' ) {
  91                                 text = text.replace( this.settings.HTMLEntityRegExp, '' );
  92                                 text = text.replace( this.settings.connectorRegExp, ' ' );
  93                                 text = text.replace( this.settings.removeRegExp, '' );
  94                         } else {
  95                                 text = text.replace( this.settings.HTMLEntityRegExp, 'a' );
  96                                 text = text.replace( this.settings.astralRegExp, 'a' );
  97                         }
  98
  99                         text = text.match( this.settings[ type + 'RegExp' ] );
 100
 101                         if ( text ) {
 102                                 count = text.length;
 103                         }
 104                 }
 105
 106                 return count;
 107         };
 108
 109         window.wp = window.wp || {};
 110         window.wp.utils = window.wp.utils || {};
 111         window.wp.utils.WordCounter = WordCounter;
 112 } )();