Function findWordAt

GUI/codemirror/lib/codemirror.js:3810–3823

(doc, pos)

  // Find the word at the given position (as returned by coordsChar).
  function findWordAt(doc, pos) {
    var line = getLine(doc, pos.line).text;
    var start = pos.ch, end = pos.ch;
    if (line) {
      if ((pos.xRel < 0 || end == line.length) && start) --start; else ++end;
      var startChar = line.charAt(start);
      var check = isWordChar(startChar) ? isWordChar
        : /\s/.test(startChar) ? function(ch) {return /\s/.test(ch);}
        : function(ch) {return !/\s/.test(ch) && !isWordChar(ch);};
      while (start > 0 && check(line.charAt(start - 1))) --start;
      while (end < line.length && check(line.charAt(end))) ++end;
    }
    return new Range(Pos(pos.line, start), Pos(pos.line, end));
  }

  // EDITOR METHODS