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node_modules/cardinal/lib/highlight.js

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+var redeyed =  require('redeyed')
+  , theme   =  require('../themes/default')
+  , colors  =  require('ansicolors')
+
+  , colorSurround =  colors.brightBlack
+  , surroundClose =  '\u001b[39m'
+  ;
+
+function trimEmptyLines(lines) {
+
+  // remove lines from the end until we find a non-empy one
+  var line = lines.pop();
+  while(!line || !line.length)
+    line = lines.pop();
+
+  // put the non-empty line back
+  if (line) lines.push(line);
+}
+
+function addLinenos (highlightedCode, firstline) {
+  var highlightedLines = highlightedCode.split('\n');
+
+  trimEmptyLines(highlightedLines);
+
+  var linesLen = highlightedLines.length
+    , lines = []
+    , totalDigits
+    , lineno
+    ;
+
+  function getDigits (n) {
+    if (n < 10) return 1;
+    if (n < 100) return 2;
+    if (n < 1000) return 3;
+    if (n < 10000) return 4;
+    // this works for up to 99,999 lines - any questions?
+    return 5;
+  }
+
+  function pad (n, totalDigits) {
+    // not pretty, but simple and should perform quite well
+    var padDigits= totalDigits - getDigits(n);
+    switch(padDigits) {
+      case 0: return '' + n;
+      case 1: return ' ' + n;
+      case 2: return '  ' + n;
+      case 3: return '   ' + n;
+      case 4: return '    ' + n;
+      case 5: return '     ' + n;
+    }
+  }
+
+  totalDigits = getDigits(linesLen + firstline - 1);
+
+  for (var i = 0; i < linesLen; i++) {
+    // Don't close the escape sequence here in order to not break multi line code highlights like block comments
+    lineno = colorSurround(pad(i + firstline, totalDigits) + ': ').replace(surroundClose, '');
+    lines.push(lineno + highlightedLines[i]);
+  }
+
+  return lines.join('\n');
+}
+
+module.exports = function highlight (code, opts) {
+  opts = opts || { };
+  try {
+
+    var result = redeyed(code, opts.theme || theme)
+      , firstline = opts.firstline && !isNaN(opts.firstline) ? opts.firstline : 1;
+
+    return opts.linenos ? addLinenos(result.code, firstline) : result.code;
+  } catch (e) {
+    e.message = 'Unable to perform highlight. The code contained syntax errors: ' + e.message;
+    throw e;
+  }
+};

node_modules/cardinal/lib/highlightFile.js

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+var fs = require('fs')
+  , highlight = require('./highlight');
+
+function isFunction (obj) {
+  return toString.call(obj) == '[object Function]';
+}
+
+module.exports = function highlightFile (fullPath, opts, cb) {
+  if (isFunction(opts)) { 
+    cb = opts;
+    opts = { };
+  }
+  opts = opts || { };
+
+  fs.readFile(fullPath, 'utf-8', function (err, code) {
+    if (err) return cb(err);
+    try {
+      cb(null, highlight(code, opts));
+    } catch (e) {
+      cb(e);
+    }
+  });
+};

node_modules/cardinal/lib/highlightFileSync.js

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+var fs = require('fs')
+  , highlight = require('./highlight');
+
+module.exports = function highlightFileSync (fullPath, opts) {
+  var code = fs.readFileSync(fullPath, 'utf-8');
+  opts = opts || { };
+  return highlight(code, opts);
+};