ejs/ejs.js

(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
/*
 * EJS Embedded JavaScript templates
 * Copyright 2112 Matthew Eernisse (mde@fleegix.org)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
*/

"use strict";

var utils = require('./utils')
  , ejs
  , templateCache = {}
  , jsCache = {}
  , includeFile
  , includeSource
  , resolveInclude
  , compile
  , rethrow
  , _DEFAULT_DELIMITER = '%'
  , _REGEX_STRING = '(<%%)|(<%=)|(<%-)|(<%#)|(<%)|(%>)|(-%>)'
  , _OPTS_MAP = {
      cache: 'cache'
    , filename: 'filename'
    , delimiter: 'delimiter'
    , scope: 'context'
    , context: 'context'
    , debug: 'debug'
    , compileDebug: 'compileDebug'
    , client: 'client'
    };

resolveInclude = function (name, filename) {
  var path = require('path')
    , dirname = path.dirname
    , extname = path.extname
    , resolve = path.resolve
    , includePath = resolve(dirname(filename), name)
    , ext = extname(name);
  if (!ext) {
    includePath += '.ejs';
  }
  return includePath;
};

includeFile = function (path, options) {
  var fn
    , opts = utils.shallowCopy({}, options || /* istanbul ignore next */ {})
    , fs = require('fs')
    , includePath
    , template;
  if (!opts.filename) {
    throw new Error('`include` requires the \'filename\' option.');
  }
  includePath = resolveInclude(path, opts.filename);
  if (opts.cache) {
    template = templateCache[includePath];
    if (!template) {
      template = fs.readFileSync(includePath).toString().trim();
      templateCache[includePath] = template;
    }
  }
  else {
    template = fs.readFileSync(includePath).toString().trim();
  }

  opts.filename = includePath;
  fn = exports.compile(template, opts);
  return fn;
};

includeSource = function (path, options) {
  var fn
    , opts = utils.shallowCopy({}, options || {})
    , fs = require('fs')
    , includePath
    , template;
  if (!opts.filename) {
    throw new Error('`include` requires the \'filename\' option.');
  }
  includePath = resolveInclude(path, opts.filename);
  if (opts.cache) {
    template = templateCache[includePath];
    if (!template) {
      template = fs.readFileSync(includePath).toString().trim();
      templateCache[includePath] = template;
    }
  }
  else {
    template = fs.readFileSync(includePath).toString().trim();
  }

  opts.filename = includePath;
  var templ = new Template(template, opts);
  templ.generateSource();
  return templ.source;
};

rethrow = function (err, str, filename, lineno){
  var lines = str.split('\n')
    , start = Math.max(lineno - 3, 0)
    , end = Math.min(lines.length, lineno + 3);

  // Error context
  var context = lines.slice(start, end).map(function(line, i){
    var curr = i + start + 1;
    return (curr == lineno ? ' >> ' : '    ')
      + curr
      + '| '
      + line;
  }).join('\n');

  // Alter exception message
  err.path = filename;
  err.message = (filename || 'ejs') + ':'
    + lineno + '\n'
    + context + '\n\n'
    + err.message;

  throw err;
}

compile = exports.compile = function (template, opts) {
  var templ = new Template(template, opts);
  return templ.compile();
};

// template, [data], [opts]
// Have to include an empty data object if you want opts and no data
exports.render = function () {
  var args = Array.prototype.slice.call(arguments)
    , template = args.shift()
    , data = args.shift() || {}
    , opts = args.shift() || {}
    , fn
    , filename;

  // No options object -- if there are optiony names
  // in the data, copy them to options
  if (arguments.length == 2) {
    for (var p in _OPTS_MAP) {
      if (typeof data[p] != 'undefined') {
        opts[_OPTS_MAP[p]] = data[p];
      }
    }
  }
  // v1 compat
  // 'scope' is 'context'
  // FIXME: Remove this in a future version
  if (opts.scope) {
    if (!opts.context) {
      opts.context = opts.scope;
    }
    delete opts.scope;
  }

  if (opts.cache) {
    filename = opts.filename;
    if (!filename) {
      throw new Error('cache option requires a filename');
    }
    fn = jsCache[filename];
    if (!fn) {
      fn = exports.compile(template, opts);
      jsCache[filename] = fn;
    }
  }
  else {
    fn = exports.compile(template, opts);
  }
  return fn.call(opts.context, data);
};

// path, [data] [opts], cb
// Have to include an empty data object if you want opts and no data
exports.renderFile = function () {
  var read = require('fs').readFile
    , args = Array.prototype.slice.call(arguments)
    , path = args.shift()
    , cb = args.pop()
    , data = args.shift() || {}
    , opts = args.pop() || {}
    , template
    , handleTemplate;

  // Set the filename for includes
  opts.filename = path;

  handleTemplate = function (template) {
    var result
      , failed = false;
    try {
      result = exports.render(template, data, opts);
    }
    catch(err) {
      cb(err);
      failed = true;
    }
    if (!failed) cb(null, result);
  };

  template = templateCache[path];
  if (opts.cache && template) {
    handleTemplate(template);
  }
  else {
    read(path, function (err, data) {
      var tmpl;
      if (err) {
        return cb(err);
      }
      tmpl = data.toString().trim();
      if (opts.cache) {
        templateCache[path] = tmpl;
      }
      handleTemplate(tmpl);
    });
  }
};

exports.clearCache = function () {
  templateCache = {};
  jsCache = {};
};

var Template = function (text, opts) {
  opts = opts || {};
  var options = {};
  this.templateText = text;
  this.mode = null;
  this.truncate = false;
  this.currentLine = 1;
  this.source = '';
  options.client = opts.client || false;
  options.escapeFunction = opts.escape || utils.escapeXML;
  options.compileDebug = opts.compileDebug !== false;
  options.debug = !!opts.debug;
  options.filename = opts.filename;
  options.delimiter = opts.delimiter || exports.delimiter || _DEFAULT_DELIMITER;
  options._with = opts._with != null ? opts._with : true
  this.opts = options;

  this.regex = this.createRegex();
};

Template.prototype = new function () {

  this.modes = {
      EVAL: 'eval'
    , ESCAPED: 'escaped'
    , RAW: 'raw'
    , APPEND: 'append'
    , COMMENT: 'comment'
    , LITERAL: 'literal'
  };

  this.createRegex = function () {
    var str = _REGEX_STRING
      , delim = utils.escapeRegExpChars(this.opts.delimiter);
    str = str.replace(/%/g, delim);
    return new RegExp(str);
  };

  this.compile = function () {
    var self = this
      , src
      , fn
      , opts = this.opts
      , escape = opts.escapeFunction;

    if (!this.source) {
      this.generateSource();
      var appended = 'var __output = "";';
      if (opts._with !== false) appended +=  ' with (locals || {}) { ';
      this.source  = appended + this.source;
      if (opts._with !== false) this.source += '}';
      this.source += 'return __output.trim();';
    }

    if (opts.compileDebug) {
      src = 'var __line = 1' +
          ', __lines = ' + JSON.stringify(this.templateText) +
          ', __filename = ' + (opts.filename ?
                JSON.stringify(opts.filename) : 'undefined') +
          '; try {' +
          this.source + '} catch (e) { rethrow(e, __lines, __filename, __line); }';
    }
    else {
      src = this.source;
    }

    if (opts.debug) {
      console.log(src);
    }

    if (opts.client) {
      src = 'escape = escape || ' + escape.toString() + ';\n' + src;
      src = 'rethrow = rethrow || ' + rethrow.toString() + ';\n' + src;
    }

    try {
      fn = new Function('locals, escape, include, rethrow', src);
    }
    catch(e) {
      if (e instanceof SyntaxError) {
        if (opts.filename) {
          e.message += ' in ' + opts.filename;
        }
        e.message += ' while compiling ejs';
        throw e;
      }
    }

    if (opts.client) {
      return fn;
    }

    // Return a callable function which will execute the function
    // created by the source-code, with the passed data as locals
    return function (data) {
      var include = function (path, includeData) {
        var d = utils.shallowCopy({}, data);
        if (includeData) {
          d = utils.shallowCopy(d, includeData);
        }
        return includeFile(path, opts).apply(this, [d]);
      };
      return fn.apply(this, [data || {}, escape, include, rethrow]);
    };

  };

  this.generateSource = function () {
    var self = this
      , matches = this.parseTemplateText()
      , d = this.opts.delimiter;

    if (matches && matches.length) {
      matches.forEach(function (line, index) {
        var closing
          , include
          , includeOpts
          , includeSrc;
        // If this is an opening tag, check for closing tags
        // FIXME: May end up with some false positives here
        // Better to store modes as k/v with '<' + delimiter as key
        // Then this can simply check against the map
        if (line.indexOf('<' + d) === 0) {
          closing = matches[index + 2];
          if (!(closing == d + '>' || closing == '-' + d + '>')) {
            throw new Error('Could not find matching close tag for "' + line + '".');
          }
        }
        // HACK: backward-compat `include` preprocessor directives
        if ((include = line.match(/^\s*include\s+(\S+)/))) {
          includeOpts = utils.shallowCopy({}, self.opts);
          includeSrc = includeSource(include[1], includeOpts);
          includeSrc = ";(function(){" + includeSrc + "})();";
          self.source += includeSrc;
        }
        else {
          self.scanLine(line);
        }
      });
    }

  };

  this.parseTemplateText = function () {
    var str = this.templateText
      , pat = this.regex
      , result = pat.exec(str)
      , arr = []
      , firstPos
      , lastPos;

    while (result) {
      firstPos = result.index;
      lastPos = pat.lastIndex;

      if (firstPos !== 0) {
        arr.push(str.substring(0, firstPos));
        str = str.slice(firstPos);
      }

      arr.push(result[0]);
      str = str.slice(result[0].length);
      result = pat.exec(str);
    }

    if (str !== '') {
      arr.push(str);
    }

    return arr;
  };

  this.scanLine = function (line) {
    var self = this
      , d = this.opts.delimiter
      , newLineCount = 0
      , _addOutput;

    _addOutput = function () {
      if (self.truncate) {
        line = line.replace('\n', '');
      }

      // Preserve literal slashes
      line = line.replace(/\\/g, '\\\\');

      // Convert linebreaks
      line = line.replace(/\n/g, '\\n');
      line = line.replace(/\r/g, '\\r');

      // Escape double-quotes
      // - this will be the delimiter during execution
      line = line.replace(/"/g, '\\"');
      self.source += ';__output += "' + line + '";';
    };

    newLineCount = (line.split('\n').length - 1);

    switch (line) {
      case '<' + d:
        this.mode = this.modes.EVAL;
        break;
      case '<' + d + '=':
        this.mode = this.modes.ESCAPED;
        break;
      case '<' + d + '-':
        this.mode = this.modes.RAW;
        break;
      case '<' + d + '#':
        this.mode = this.modes.COMMENT;
        break;
      case '<' + d + d:
        this.mode = this.modes.LITERAL;
        this.source += ';__output += "' + line.replace('<' + d + d, '<' + d) + '";';
        break;
      case d + '>':
      case '-' + d + '>':
        if (this.mode == this.modes.LITERAL) {
          _addOutput();
        }

        this.mode = null;
        this.truncate = line.indexOf('-') === 0;
        break;
      default:
        // In script mode, depends on type of tag
        if (this.mode) {
          // Strip double-slash comments in all exec modes
          switch (this.mode) {
            case this.modes.EVAL:
            case this.modes.ESCAPED:
            case this.modes.RAW:
              line = line.replace(/\/\/.*$/, '');
          }
          switch (this.mode) {
            // Just executing code
            case this.modes.EVAL:
              this.source += ';' + line;
              break;
            // Exec, esc, and output
            case this.modes.ESCAPED:
              // Add the exec'd, escaped result to the output
              this.source += ';__output += escape(' +
                  line.replace(/;\S*/, '').trim() + ');';
              break;
            // Exec and output
            case this.modes.RAW:
              // Add the exec'd result to the output
              this.source += ';__output += ' + line.trim() + ';';
              break;
            case this.modes.COMMENT:
              // Do nothing
              break;
            // Literal <%% mode, append as raw output
            case this.modes.LITERAL:
              _addOutput();
              break;
          }
        }
        // In string mode, just add the output
        else {
          _addOutput();
        }
    }

    if (newLineCount) {
      this.currentLine += newLineCount;
      this.source += ';__line = ' + this.currentLine + ';';
    }
  };
};

// Express support
exports.__express = exports.renderFile;

// Add require support
/* istanbul ignore else */
if (require.extensions) {
  require.extensions['.ejs'] = function (module, filename) {
    filename = filename || /* istanbul ignore next */ module.filename;
    var fs = require('fs')
      , options = {
          filename: filename
        , client: true
        }
      , template = fs.readFileSync(filename).toString().trim()
      , fn = compile(template, options);
    module._compile('module.exports = ' + fn.toString() + ';', filename);
  };
}

/* istanbul ignore if */
if (typeof window != 'undefined') {
  window.ejs = exports;
}

},{"./utils":2,"fs":3,"path":4}],2:[function(require,module,exports){
/*
 * EJS Embedded JavaScript templates
 * Copyright 2112 Matthew Eernisse (mde@fleegix.org)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
*/

"use strict";

exports.escapeRegExpChars = (function () {
  var specials = [ '^', '$', '/', '.', '*', '+', '?', '|', '(', ')',
      '[', ']', '{', '}', '\\' ];
  var sRE = new RegExp('(\\' + specials.join('|\\') + ')', 'g');
  return function (string) {
    var str = string || '';
    str = String(str);
    return str.replace(sRE, '\\$1');
  };
})();

exports.escapeXML = function (markup) {
  var chars = {
        '&': '&amp;'
      , '<': '&lt;'
      , '>': '&gt;'
      , '"': '&quot;'
      , '\'': '&#39;'
    }
  , str = String(markup);
  Object.keys(chars).forEach(function (k) {
    str = str.replace(new RegExp(k, 'g'), chars[k]);
  });
  return str;
};

exports.shallowCopy = function (to, from) {
  for (var p in from) {
    to[p] = from[p];
  }
  return to;
};


},{}],3:[function(require,module,exports){

},{}],4:[function(require,module,exports){
(function (process){
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

// resolves . and .. elements in a path array with directory names there
// must be no slashes, empty elements, or device names (c:\) in the array
// (so also no leading and trailing slashes - it does not distinguish
// relative and absolute paths)
function normalizeArray(parts, allowAboveRoot) {
  // if the path tries to go above the root, `up` ends up > 0
  var up = 0;
  for (var i = parts.length - 1; i >= 0; i--) {
    var last = parts[i];
    if (last === '.') {
      parts.splice(i, 1);
    } else if (last === '..') {
      parts.splice(i, 1);
      up++;
    } else if (up) {
      parts.splice(i, 1);
      up--;
    }
  }

  // if the path is allowed to go above the root, restore leading ..s
  if (allowAboveRoot) {
    for (; up--; up) {
      parts.unshift('..');
    }
  }

  return parts;
}

// Split a filename into [root, dir, basename, ext], unix version
// 'root' is just a slash, or nothing.
var splitPathRe =
    /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
var splitPath = function(filename) {
  return splitPathRe.exec(filename).slice(1);
};

// path.resolve([from ...], to)
// posix version
exports.resolve = function() {
  var resolvedPath = '',
      resolvedAbsolute = false;

  for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
    var path = (i >= 0) ? arguments[i] : process.cwd();

    // Skip empty and invalid entries
    if (typeof path !== 'string') {
      throw new TypeError('Arguments to path.resolve must be strings');
    } else if (!path) {
      continue;
    }

    resolvedPath = path + '/' + resolvedPath;
    resolvedAbsolute = path.charAt(0) === '/';
  }

  // At this point the path should be resolved to a full absolute path, but
  // handle relative paths to be safe (might happen when process.cwd() fails)

  // Normalize the path
  resolvedPath = normalizeArray(filter(resolvedPath.split('/'), function(p) {
    return !!p;
  }), !resolvedAbsolute).join('/');

  return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.';
};

// path.normalize(path)
// posix version
exports.normalize = function(path) {
  var isAbsolute = exports.isAbsolute(path),
      trailingSlash = substr(path, -1) === '/';

  // Normalize the path
  path = normalizeArray(filter(path.split('/'), function(p) {
    return !!p;
  }), !isAbsolute).join('/');

  if (!path && !isAbsolute) {
    path = '.';
  }
  if (path && trailingSlash) {
    path += '/';
  }

  return (isAbsolute ? '/' : '') + path;
};

// posix version
exports.isAbsolute = function(path) {
  return path.charAt(0) === '/';
};

// posix version
exports.join = function() {
  var paths = Array.prototype.slice.call(arguments, 0);
  return exports.normalize(filter(paths, function(p, index) {
    if (typeof p !== 'string') {
      throw new TypeError('Arguments to path.join must be strings');
    }
    return p;
  }).join('/'));
};


// path.relative(from, to)
// posix version
exports.relative = function(from, to) {
  from = exports.resolve(from).substr(1);
  to = exports.resolve(to).substr(1);

  function trim(arr) {
    var start = 0;
    for (; start < arr.length; start++) {
      if (arr[start] !== '') break;
    }

    var end = arr.length - 1;
    for (; end >= 0; end--) {
      if (arr[end] !== '') break;
    }

    if (start > end) return [];
    return arr.slice(start, end - start + 1);
  }

  var fromParts = trim(from.split('/'));
  var toParts = trim(to.split('/'));

  var length = Math.min(fromParts.length, toParts.length);
  var samePartsLength = length;
  for (var i = 0; i < length; i++) {
    if (fromParts[i] !== toParts[i]) {
      samePartsLength = i;
      break;
    }
  }

  var outputParts = [];
  for (var i = samePartsLength; i < fromParts.length; i++) {
    outputParts.push('..');
  }

  outputParts = outputParts.concat(toParts.slice(samePartsLength));

  return outputParts.join('/');
};

exports.sep = '/';
exports.delimiter = ':';

exports.dirname = function(path) {
  var result = splitPath(path),
      root = result[0],
      dir = result[1];

  if (!root && !dir) {
    // No dirname whatsoever
    return '.';
  }

  if (dir) {
    // It has a dirname, strip trailing slash
    dir = dir.substr(0, dir.length - 1);
  }

  return root + dir;
};


exports.basename = function(path, ext) {
  var f = splitPath(path)[2];
  // TODO: make this comparison case-insensitive on windows?
  if (ext && f.substr(-1 * ext.length) === ext) {
    f = f.substr(0, f.length - ext.length);
  }
  return f;
};


exports.extname = function(path) {
  return splitPath(path)[3];
};

function filter (xs, f) {
    if (xs.filter) return xs.filter(f);
    var res = [];
    for (var i = 0; i < xs.length; i++) {
        if (f(xs[i], i, xs)) res.push(xs[i]);
    }
    return res;
}

// String.prototype.substr - negative index don't work in IE8
var substr = 'ab'.substr(-1) === 'b'
    ? function (str, start, len) { return str.substr(start, len) }
    : function (str, start, len) {
        if (start < 0) start = str.length + start;
        return str.substr(start, len);
    }
;

}).call(this,require('_process'))
},{"_process":5}],5:[function(require,module,exports){
// shim for using process in browser

var process = module.exports = {};

process.nextTick = (function () {
    var canSetImmediate = typeof window !== 'undefined'
    && window.setImmediate;
    var canMutationObserver = typeof window !== 'undefined'
    && window.MutationObserver;
    var canPost = typeof window !== 'undefined'
    && window.postMessage && window.addEventListener
    ;

    if (canSetImmediate) {
        return function (f) { return window.setImmediate(f) };
    }

    var queue = [];

    if (canMutationObserver) {
        var hiddenDiv = document.createElement("div");
        var observer = new MutationObserver(function () {
            var queueList = queue.slice();
            queue.length = 0;
            queueList.forEach(function (fn) {
                fn();
            });
        });

        observer.observe(hiddenDiv, { attributes: true });

        return function nextTick(fn) {
            if (!queue.length) {
                hiddenDiv.setAttribute('yes', 'no');
            }
            queue.push(fn);
        };
    }

    if (canPost) {
        window.addEventListener('message', function (ev) {
            var source = ev.source;
            if ((source === window || source === null) && ev.data === 'process-tick') {
                ev.stopPropagation();
                if (queue.length > 0) {
                    var fn = queue.shift();
                    fn();
                }
            }
        }, true);

        return function nextTick(fn) {
            queue.push(fn);
            window.postMessage('process-tick', '*');
        };
    }

    return function nextTick(fn) {
        setTimeout(fn, 0);
    };
})();

process.title = 'browser';
process.browser = true;
process.env = {};
process.argv = [];

function noop() {}

process.on = noop;
process.addListener = noop;
process.once = noop;
process.off = noop;
process.removeListener = noop;
process.removeAllListeners = noop;
process.emit = noop;

process.binding = function (name) {
    throw new Error('process.binding is not supported');
};

// TODO(shtylman)
process.cwd = function () { return '/' };
process.chdir = function (dir) {
    throw new Error('process.chdir is not supported');
};

},{}]},{},[1]);