CoreGradeLearning/lib/yuilib/3.18.1/handlebars-base/handlebars-base-debug.js

YUI.add('handlebars-base', function (Y, NAME) {

/*!
Handlebars.js - Copyright (C) 2011 Yehuda Katz
https://raw.github.com/wycats/handlebars.js/master/LICENSE
*/
// This file contains YUI-specific wrapper code and overrides for the
// handlebars-base module.

/**
Handlebars is a simple template language inspired by Mustache.

This is a YUI port of the original Handlebars project, which can be found at
<https://github.com/wycats/handlebars.js>.

@module handlebars
@main handlebars
@since 3.5.0
*/

/**
Provides basic Handlebars template rendering functionality. Use this module when
you only need to render pre-compiled templates.

@module handlebars
@submodule handlebars-base
*/

/**
Handlebars is a simple template language inspired by Mustache.

This is a YUI port of the original Handlebars project, which can be found at
<https://github.com/wycats/handlebars.js>.

@class Handlebars
@since 3.5.0
*/
var Handlebars = Y.namespace('Handlebars');
/* THIS FILE IS GENERATED BY A BUILD SCRIPT - DO NOT EDIT! */
Handlebars.SafeString = {};
(function (exports) {
"use strict";
// Build out our basic SafeString type
function SafeString(string) {
  this.string = string;
}

SafeString.prototype.toString = function() {
  return "" + this.string;
};

exports["default"] = SafeString;
}(Handlebars.SafeString));
Handlebars.SafeString = Handlebars.SafeString['default'];
/* THIS FILE IS GENERATED BY A BUILD SCRIPT - DO NOT EDIT! */
Handlebars.Utils = {};
(function (exports, SafeString) {
"use strict";
/*jshint -W004 */
var escape = {
  "&": "&amp;",
  "<": "&lt;",
  ">": "&gt;",
  '"': "&quot;",
  "'": "&#x27;",
  "`": "&#x60;"
};

var badChars = /[&<>"'`]/g;
var possible = /[&<>"'`]/;

function escapeChar(chr) {
  return escape[chr];
}

function extend(obj /* , ...source */) {
  for (var i = 1; i < arguments.length; i++) {
    for (var key in arguments[i]) {
      if (Object.prototype.hasOwnProperty.call(arguments[i], key)) {
        obj[key] = arguments[i][key];
      }
    }
  }

  return obj;
}

exports.extend = extend;var toString = Object.prototype.toString;
exports.toString = toString;
// Sourced from lodash
// https://github.com/bestiejs/lodash/blob/master/LICENSE.txt
var isFunction = function(value) {
  return typeof value === 'function';
};
// fallback for older versions of Chrome and Safari
/* istanbul ignore next */
if (isFunction(/x/)) {
  isFunction = function(value) {
    return typeof value === 'function' && toString.call(value) === '[object Function]';
  };
}
var isFunction;
exports.isFunction = isFunction;
/* istanbul ignore next */
var isArray = Array.isArray || function(value) {
  return (value && typeof value === 'object') ? toString.call(value) === '[object Array]' : false;
};
exports.isArray = isArray;

function escapeExpression(string) {
  // don't escape SafeStrings, since they're already safe
  if (string instanceof SafeString) {
    return string.toString();
  } else if (string == null) {
    return "";
  } else if (!string) {
    return string + '';
  }

  // Force a string conversion as this will be done by the append regardless and
  // the regex test will do this transparently behind the scenes, causing issues if
  // an object's to string has escaped characters in it.
  string = "" + string;

  if(!possible.test(string)) { return string; }
  return string.replace(badChars, escapeChar);
}

exports.escapeExpression = escapeExpression;function isEmpty(value) {
  if (!value && value !== 0) {
    return true;
  } else if (isArray(value) && value.length === 0) {
    return true;
  } else {
    return false;
  }
}

exports.isEmpty = isEmpty;function appendContextPath(contextPath, id) {
  return (contextPath ? contextPath + '.' : '') + id;
}

exports.appendContextPath = appendContextPath;
}(Handlebars.Utils, Handlebars.SafeString));
/* THIS FILE IS GENERATED BY A BUILD SCRIPT - DO NOT EDIT! */
Handlebars.Exception = {};
(function (exports) {
"use strict";

var errorProps = ['description', 'fileName', 'lineNumber', 'message', 'name', 'number', 'stack'];

function Exception(message, node) {
  var line;
  if (node && node.firstLine) {
    line = node.firstLine;

    message += ' - ' + line + ':' + node.firstColumn;
  }

  var tmp = Error.prototype.constructor.call(this, message);

  // Unfortunately errors are not enumerable in Chrome (at least), so `for prop in tmp` doesn't work.
  for (var idx = 0; idx < errorProps.length; idx++) {
    this[errorProps[idx]] = tmp[errorProps[idx]];
  }

  if (line) {
    this.lineNumber = line;
    this.column = node.firstColumn;
  }
}

Exception.prototype = new Error();

exports["default"] = Exception;
}(Handlebars.Exception));
Handlebars.Exception = Handlebars.Exception['default'];
/* THIS FILE IS GENERATED BY A BUILD SCRIPT - DO NOT EDIT! */
(function (exports, Utils, Exception) {
"use strict";
var VERSION = "2.0.0";
exports.VERSION = VERSION;var COMPILER_REVISION = 6;
exports.COMPILER_REVISION = COMPILER_REVISION;
var REVISION_CHANGES = {
  1: '<= 1.0.rc.2', // 1.0.rc.2 is actually rev2 but doesn't report it
  2: '== 1.0.0-rc.3',
  3: '== 1.0.0-rc.4',
  4: '== 1.x.x',
  5: '== 2.0.0-alpha.x',
  6: '>= 2.0.0-beta.1'
};
exports.REVISION_CHANGES = REVISION_CHANGES;
var isArray = Utils.isArray,
    isFunction = Utils.isFunction,
    toString = Utils.toString,
    objectType = '[object Object]';

function HandlebarsEnvironment(helpers, partials) {
  this.helpers = helpers || {};
  this.partials = partials || {};

  registerDefaultHelpers(this);
}

exports.HandlebarsEnvironment = HandlebarsEnvironment;HandlebarsEnvironment.prototype = {
  constructor: HandlebarsEnvironment,

  logger: logger,
  log: log,

  registerHelper: function(name, fn) {
    if (toString.call(name) === objectType) {
      if (fn) { throw new Exception('Arg not supported with multiple helpers'); }
      Utils.extend(this.helpers, name);
    } else {
      this.helpers[name] = fn;
    }
  },
  unregisterHelper: function(name) {
    delete this.helpers[name];
  },

  registerPartial: function(name, partial) {
    if (toString.call(name) === objectType) {
      Utils.extend(this.partials,  name);
    } else {
      this.partials[name] = partial;
    }
  },
  unregisterPartial: function(name) {
    delete this.partials[name];
  }
};

function registerDefaultHelpers(instance) {
  instance.registerHelper('helperMissing', function(/* [args, ]options */) {
    if(arguments.length === 1) {
      // A missing field in a {{foo}} constuct.
      return undefined;
    } else {
      // Someone is actually trying to call something, blow up.
      throw new Exception("Missing helper: '" + arguments[arguments.length-1].name + "'");
    }
  });

  instance.registerHelper('blockHelperMissing', function(context, options) {
    var inverse = options.inverse,
        fn = options.fn;

    if(context === true) {
      return fn(this);
    } else if(context === false || context == null) {
      return inverse(this);
    } else if (isArray(context)) {
      if(context.length > 0) {
        if (options.ids) {
          options.ids = [options.name];
        }

        return instance.helpers.each(context, options);
      } else {
        return inverse(this);
      }
    } else {
      if (options.data && options.ids) {
        var data = createFrame(options.data);
        data.contextPath = Utils.appendContextPath(options.data.contextPath, options.name);
        options = {data: data};
      }

      return fn(context, options);
    }
  });

  instance.registerHelper('each', function(context, options) {
    if (!options) {
      throw new Exception('Must pass iterator to #each');
    }

    var fn = options.fn, inverse = options.inverse;
    var i = 0, ret = "", data;

    var contextPath;
    if (options.data && options.ids) {
      contextPath = Utils.appendContextPath(options.data.contextPath, options.ids[0]) + '.';
    }

    if (isFunction(context)) { context = context.call(this); }

    if (options.data) {
      data = createFrame(options.data);
    }

    if(context && typeof context === 'object') {
      if (isArray(context)) {
        for(var j = context.length; i<j; i++) {
          if (data) {
            data.index = i;
            data.first = (i === 0);
            data.last  = (i === (context.length-1));

            if (contextPath) {
              data.contextPath = contextPath + i;
            }
          }
          ret = ret + fn(context[i], { data: data });
        }
      } else {
        for(var key in context) {
          if(context.hasOwnProperty(key)) {
            if(data) {
              data.key = key;
              data.index = i;
              data.first = (i === 0);

              if (contextPath) {
                data.contextPath = contextPath + key;
              }
            }
            ret = ret + fn(context[key], {data: data});
            i++;
          }
        }
      }
    }

    if(i === 0){
      ret = inverse(this);
    }

    return ret;
  });

  instance.registerHelper('if', function(conditional, options) {
    if (isFunction(conditional)) { conditional = conditional.call(this); }

    // Default behavior is to render the positive path if the value is truthy and not empty.
    // The `includeZero` option may be set to treat the condtional as purely not empty based on the
    // behavior of isEmpty. Effectively this determines if 0 is handled by the positive path or negative.
    if ((!options.hash.includeZero && !conditional) || Utils.isEmpty(conditional)) {
      return options.inverse(this);
    } else {
      return options.fn(this);
    }
  });

  instance.registerHelper('unless', function(conditional, options) {
    return instance.helpers['if'].call(this, conditional, {fn: options.inverse, inverse: options.fn, hash: options.hash});
  });

  instance.registerHelper('with', function(context, options) {
    if (isFunction(context)) { context = context.call(this); }

    var fn = options.fn;

    if (!Utils.isEmpty(context)) {
      if (options.data && options.ids) {
        var data = createFrame(options.data);
        data.contextPath = Utils.appendContextPath(options.data.contextPath, options.ids[0]);
        options = {data:data};
      }

      return fn(context, options);
    } else {
      return options.inverse(this);
    }
  });

  instance.registerHelper('log', function(message, options) {
    var level = options.data && options.data.level != null ? parseInt(options.data.level, 10) : 1;
    instance.log(level, message);
  });

  instance.registerHelper('lookup', function(obj, field) {
    return obj && obj[field];
  });
}

var logger = {
  methodMap: { 0: 'debug', 1: 'info', 2: 'warn', 3: 'error' },

  // State enum
  DEBUG: 0,
  INFO: 1,
  WARN: 2,
  ERROR: 3,
  level: 3,

  // can be overridden in the host environment
  log: function(level, message) {
    if (logger.level <= level) {
      var method = logger.methodMap[level];
      if (typeof console !== 'undefined' && console[method]) {
        console[method].call(console, message);
      }
    }
  }
};
exports.logger = logger;
var log = logger.log;
exports.log = log;
var createFrame = function(object) {
  var frame = Utils.extend({}, object);
  frame._parent = object;
  return frame;
};
exports.createFrame = createFrame;
}(Handlebars, Handlebars.Utils, Handlebars.Exception));
/* THIS FILE IS GENERATED BY A BUILD SCRIPT - DO NOT EDIT! */
Handlebars.VM = {};
(function (exports, Utils, Exception, createFrame, COMPILER_REVISION, REVISION_CHANGES) {
"use strict";
function checkRevision(compilerInfo) {
  var compilerRevision = compilerInfo && compilerInfo[0] || 1,
      currentRevision = COMPILER_REVISION;

  if (compilerRevision !== currentRevision) {
    if (compilerRevision < currentRevision) {
      var runtimeVersions = REVISION_CHANGES[currentRevision],
          compilerVersions = REVISION_CHANGES[compilerRevision];
      throw new Exception("Template was precompiled with an older version of Handlebars than the current runtime. "+
            "Please update your precompiler to a newer version ("+runtimeVersions+") or downgrade your runtime to an older version ("+compilerVersions+").");
    } else {
      // Use the embedded version info since the runtime doesn't know about this revision yet
      throw new Exception("Template was precompiled with a newer version of Handlebars than the current runtime. "+
            "Please update your runtime to a newer version ("+compilerInfo[1]+").");
    }
  }
}

exports.checkRevision = checkRevision;// TODO: Remove this line and break up compilePartial

function template(templateSpec, env) {
  /* istanbul ignore next */
  if (!env) {
    throw new Exception("No environment passed to template");
  }
  if (!templateSpec || !templateSpec.main) {
    throw new Exception('Unknown template object: ' + typeof templateSpec);
  }

  // Note: Using env.VM references rather than local var references throughout this section to allow
  // for external users to override these as psuedo-supported APIs.
  env.VM.checkRevision(templateSpec.compiler);

  var invokePartialWrapper = function(partial, indent, name, context, hash, helpers, partials, data, depths) {
    if (hash) {
      context = Utils.extend({}, context, hash);
    }

    var result = env.VM.invokePartial.call(this, partial, name, context, helpers, partials, data, depths);

    if (result == null && env.compile) {
      var options = { helpers: helpers, partials: partials, data: data, depths: depths };
      partials[name] = env.compile(partial, { data: data !== undefined, compat: templateSpec.compat }, env);
      result = partials[name](context, options);
    }
    if (result != null) {
      if (indent) {
        var lines = result.split('\n');
        for (var i = 0, l = lines.length; i < l; i++) {
          if (!lines[i] && i + 1 === l) {
            break;
          }

          lines[i] = indent + lines[i];
        }
        result = lines.join('\n');
      }
      return result;
    } else {
      throw new Exception("The partial " + name + " could not be compiled when running in runtime-only mode");
    }
  };

  // Just add water
  var container = {
    lookup: function(depths, name) {
      var len = depths.length;
      for (var i = 0; i < len; i++) {
        if (depths[i] && depths[i][name] != null) {
          return depths[i][name];
        }
      }
    },
    lambda: function(current, context) {
      return typeof current === 'function' ? current.call(context) : current;
    },

    escapeExpression: Utils.escapeExpression,
    invokePartial: invokePartialWrapper,

    fn: function(i) {
      return templateSpec[i];
    },

    programs: [],
    program: function(i, data, depths) {
      var programWrapper = this.programs[i],
          fn = this.fn(i);
      if (data || depths) {
        programWrapper = program(this, i, fn, data, depths);
      } else if (!programWrapper) {
        programWrapper = this.programs[i] = program(this, i, fn);
      }
      return programWrapper;
    },

    data: function(data, depth) {
      while (data && depth--) {
        data = data._parent;
      }
      return data;
    },
    merge: function(param, common) {
      var ret = param || common;

      if (param && common && (param !== common)) {
        ret = Utils.extend({}, common, param);
      }

      return ret;
    },

    noop: env.VM.noop,
    compilerInfo: templateSpec.compiler
  };

  var ret = function(context, options) {
    options = options || {};
    var data = options.data;

    ret._setup(options);
    if (!options.partial && templateSpec.useData) {
      data = initData(context, data);
    }
    var depths;
    if (templateSpec.useDepths) {
      depths = options.depths ? [context].concat(options.depths) : [context];
    }

    return templateSpec.main.call(container, context, container.helpers, container.partials, data, depths);
  };
  ret.isTop = true;

  ret._setup = function(options) {
    if (!options.partial) {
      container.helpers = container.merge(options.helpers, env.helpers);

      if (templateSpec.usePartial) {
        container.partials = container.merge(options.partials, env.partials);
      }
    } else {
      container.helpers = options.helpers;
      container.partials = options.partials;
    }
  };

  ret._child = function(i, data, depths) {
    if (templateSpec.useDepths && !depths) {
      throw new Exception('must pass parent depths');
    }

    return program(container, i, templateSpec[i], data, depths);
  };
  return ret;
}

exports.template = template;function program(container, i, fn, data, depths) {
  var prog = function(context, options) {
    options = options || {};

    return fn.call(container, context, container.helpers, container.partials, options.data || data, depths && [context].concat(depths));
  };
  prog.program = i;
  prog.depth = depths ? depths.length : 0;
  return prog;
}

exports.program = program;function invokePartial(partial, name, context, helpers, partials, data, depths) {
  var options = { partial: true, helpers: helpers, partials: partials, data: data, depths: depths };

  if(partial === undefined) {
    throw new Exception("The partial " + name + " could not be found");
  } else if(partial instanceof Function) {
    return partial(context, options);
  }
}

exports.invokePartial = invokePartial;function noop() { return ""; }

exports.noop = noop;function initData(context, data) {
    if(!data || (typeof data !== "object")) {
        data = {root: context};   
    } else if(!('root' in data)) {
        data = createFrame(data);
        data.root = context;
    } 
    return data;
}
}(Handlebars.VM, Handlebars.Utils, Handlebars.Exception, Handlebars.createFrame, Handlebars.COMPILER_REVISION, Handlebars.REVISION_CHANGES));
Handlebars.template = Handlebars.VM.template;
// This file contains YUI-specific wrapper code and overrides for the
// handlebars-base module.

Handlebars.VERSION += '-yui';

/**
Registers a helper function that will be made available to all templates.

Helper functions receive the current template context as the `this` object, and
can also receive arguments passed by the template.

@example

    Y.Handlebars.registerHelper('linkify', function () {
        return '<a href="' + Y.Escape.html(this.url) + '">' +
            Y.Escape.html(this.text) + '</a>';
    });

    var source = '<ul>{{#links}}<li>{{{linkify}}}</li>{{/links}}</ul>';

    Y.Handlebars.render(source, {
        links: [
            {url: '/foo', text: 'Foo'},
            {url: '/bar', text: 'Bar'},
            {url: '/baz', text: 'Baz'}
        ]
    });

@method registerHelper
@param {String} name Name of this helper.
@param {Function} fn Helper function.
@param {Boolean} [inverse=false] If `true`, this helper will be considered an
    "inverse" helper, like "unless". This means it will only be called if the
    expression given in the template evaluates to a false or empty value.
*/

/**
Registers a partial that will be made available to all templates.

A partial is another template that can be used to render part of a larger
template. For example, a website with a common header and footer across all its
pages might use a template for each page, which would call shared partials to
render the headers and footers.

Partials may be specified as uncompiled template strings or as compiled template
functions.

@example

    Y.Handlebars.registerPartial('header', '<h1>{{title}}</h1>');
    Y.Handlebars.registerPartial('footer', 'Copyright (c) 2011 by Me.');

    var source = '{{> header}} <p>Mustaches are awesome!</p> {{> footer}}';

    Y.Handlebars.render(source, {title: 'My Page About Mustaches'});

@method registerPartial
@param {String} name Name of this partial.
@param {Function|String} partial Template string or compiled template function.
*/

/**
Converts a precompiled template into a renderable template function.

@example

    <script src="precompiled-template.js"></script>
    <script>
    YUI().use('handlebars-base', function (Y) {
        // Convert the precompiled template function into a renderable template
        // function.
        var template = Y.Handlebars.template(precompiledTemplate);

        // Render it.
        template({pie: 'Pumpkin'});
    });
    </script>

@method template
@param {Function} template Precompiled Handlebars template function.
@return {Function} Compiled template function.
*/

// Alias for Y.Handlebars.template(), used by Y.Template.
Handlebars.revive = Handlebars.template;

// Make Y.Template.Handlebars an alias for Y.Handlebars.
Y.namespace('Template').Handlebars = Handlebars;


}, '3.18.1', {"requires": []});