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xblock-drag-and-drop-v2
Commit c2ad71f8 by Filippo Valsorda
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Move the templates out of .js and use Handlebars

parent 5f390be4
Showing with 2722 additions and 1455 deletions
drag_and_drop_v2/drag_and_drop_v2.py
...@@ -12,7 +12,7 @@ from xblock.core import XBlock ...@@ -12,7 +12,7 @@ from xblock.core import XBlock
from xblock.fields import Scope, String, Dict, Float from xblock.fields import Scope, String, Dict, Float
from xblock.fragment import Fragment from xblock.fragment import Fragment
from .utils import render_template from .utils import render_template, load_resource
# Globals ########################################################### # Globals ###########################################################
...@@ -77,8 +77,10 @@ class DragAndDropBlock(XBlock): ...@@ -77,8 +77,10 @@ class DragAndDropBlock(XBlock):
max_score_string = '({0} Point{1} Possible)'.format(int(self.weight), max_score_string = '({0} Point{1} Possible)'.format(int(self.weight),
's' if self.weight > 1 else '') if self.weight else '' 's' if self.weight > 1 else '') if self.weight else ''
js_templates = load_resource('/templates/html/js_templates.html')
context = { context = {
'js_templates': js_templates,
'title': self.display_name, 'title': self.display_name,
'question_text': self.question_text, 'question_text': self.question_text,
'max_score_string': max_score_string 'max_score_string': max_score_string
...@@ -93,7 +95,7 @@ class DragAndDropBlock(XBlock): ...@@ -93,7 +95,7 @@ class DragAndDropBlock(XBlock):
fragment.add_javascript_url(self.runtime.local_resource_url(self, fragment.add_javascript_url(self.runtime.local_resource_url(self,
'public/js/vendor/jquery.html5-placeholder-shim.js')) 'public/js/vendor/jquery.html5-placeholder-shim.js'))
fragment.add_javascript_url(self.runtime.local_resource_url(self, fragment.add_javascript_url(self.runtime.local_resource_url(self,
'public/js/vendor/underscore1.6.0.js')) 'public/js/vendor/handlebars-v1.1.2.js'))
fragment.add_javascript_url(self.runtime.local_resource_url(self, fragment.add_javascript_url(self.runtime.local_resource_url(self,
'public/js/drag_and_drop.js')) 'public/js/drag_and_drop.js'))
...@@ -106,7 +108,10 @@ class DragAndDropBlock(XBlock): ...@@ -106,7 +108,10 @@ class DragAndDropBlock(XBlock):
Editing view in Studio Editing view in Studio
""" """
context = {} js_templates = load_resource('/templates/html/js_templates.html')
context = {
'js_templates': js_templates,
}
fragment = Fragment() fragment = Fragment()
fragment.add_content(render_template('/templates/html/drag_and_drop_edit.html', context)) fragment.add_content(render_template('/templates/html/drag_and_drop_edit.html', context))
...@@ -117,7 +122,7 @@ class DragAndDropBlock(XBlock): ...@@ -117,7 +122,7 @@ class DragAndDropBlock(XBlock):
fragment.add_javascript_url(self.runtime.local_resource_url(self, fragment.add_javascript_url(self.runtime.local_resource_url(self,
'public/js/vendor/jquery.html5-placeholder-shim.js')) 'public/js/vendor/jquery.html5-placeholder-shim.js'))
fragment.add_javascript_url(self.runtime.local_resource_url(self, fragment.add_javascript_url(self.runtime.local_resource_url(self,
'public/js/vendor/underscore1.6.0.js')) 'public/js/vendor/handlebars-v1.1.2.js'))
fragment.add_javascript_url(self.runtime.local_resource_url(self, fragment.add_javascript_url(self.runtime.local_resource_url(self,
'public/js/drag_and_drop_edit.js')) 'public/js/drag_and_drop_edit.js'))
......
drag_and_drop_v2/public/js/drag_and_drop.js
...@@ -24,40 +24,22 @@ function DragAndDropBlock(runtime, element) { ...@@ -24,40 +24,22 @@ function DragAndDropBlock(runtime, element) {
} }
}, },
// item template
tpl: { tpl: {
item: function() { init: function() {
return [ _fn.tpl = {
'<li class="option" data-value="<%= id %>"', item: Handlebars.compile($("#item-tpl", element).html()),
'style="width: <%= size.width %>; height: <%= size.height %>">', imageItem: Handlebars.compile($("#image-item-tpl", element).html()),
'<%= displayName %>', zoneElement: Handlebars.compile($("#zone-element-tpl", element).html())
'</li>' };
].join('');
},
image_item: function() {
return [
'<li class="option" data-value="<%= id %>"',
'style="width: <%= size.width %>; height: <%= size.height %>">',
'<img src="<%= backgroundImage %>" />',
'</li>'
].join('');
},
zoneElement: function() {
return [
'<div id="<%= id %>" class="zone" data-zone="<%= title %>" style="',
'top:<%= y %>px;',
'left:<%= x %>px;',
'width:<%= width %>px;',
'height:<%= height %>px;">',
'<p><%= title %></p>',
'</div>'
].join('');
} }
}, },
init: function(data) { init: function(data) {
_fn.data = data; _fn.data = data;
// Compile templates
_fn.tpl.init();
// Add the items to the page // Add the items to the page
_fn.items.draw(); _fn.items.draw();
_fn.zones.draw(); _fn.zones.draw();
...@@ -183,14 +165,14 @@ function DragAndDropBlock(runtime, element) { ...@@ -183,14 +165,14 @@ function DragAndDropBlock(runtime, element) {
draw: function() { draw: function() {
var list = [], var list = [],
items = _fn.data.items, items = _fn.data.items,
tpl = _fn.tpl.item(), tpl = _fn.tpl.item,
img_tpl = _fn.tpl.image_item(); img_tpl = _fn.tpl.imageItem;
items.forEach(function(item) { items.forEach(function(item) {
if (item.backgroundImage.length > 0) { if (item.backgroundImage.length > 0) {
list.push(_.template(img_tpl, item)); list.push(img_tpl(item));
} else { } else {
list.push(_.template(tpl, item)); list.push(tpl(item));
} }
}); });
...@@ -206,12 +188,12 @@ function DragAndDropBlock(runtime, element) { ...@@ -206,12 +188,12 @@ function DragAndDropBlock(runtime, element) {
draw: function() { draw: function() {
var html = [], var html = [],
zones = _fn.data.zones, zones = _fn.data.zones,
tpl = _fn.tpl.zoneElement(), tpl = _fn.tpl.zoneElement,
i, i,
len = zones.length; len = zones.length;
for (i=0; i<len; i++) { for (i=0; i<len; i++) {
html.push(_.template(tpl, zones[i])); html.push(tpl(zones[i]));
} }
// Update DOM // Update DOM
......
drag_and_drop_v2/public/js/drag_and_drop_edit.js
...@@ -5,74 +5,14 @@ function DragAndDropEditBlock(runtime, element) { ...@@ -5,74 +5,14 @@ function DragAndDropEditBlock(runtime, element) {
// DOM Elements // DOM Elements
$target: $('.xblock--drag-and-drop .target-img', element), $target: $('.xblock--drag-and-drop .target-img', element),
// item template
tpl: { tpl: {
zoneInput: function() { init: function() {
return [ _fn.tpl = {
'<div class="zone-row <%= name %>">', zoneInput: Handlebars.compile($("#zone-input-tpl", element).html()),
'<label>Text</label>', zoneElement: Handlebars.compile($("#zone-element-tpl", element).html()),
'<input type="text" class="title" placeholder="<%= title %>" />', zoneDropdown: Handlebars.compile($("#zone-dropdown-tpl", element).html()),
'<a href="#" class="remove-zone hidden">', itemInput: Handlebars.compile($("#item-input-tpl", element).html()),
'<div class="icon remove"></div>', };
'</a>',
'<div class="layout">',
'<label>width</label>',
'<input type="text" class="size width" value="200" />',
'<label>height</label>',
'<input type="text" class="size height" value="100" />',
'<br />',
'<label>x</label>',
'<input type="text" class="coord x" value="0" />',
'<label>y</label>',
'<input type="text" class="coord y" value="0" />',
'</div>',
'</div>'
].join('');
},
zoneElement: function() {
return [
'<div id="<%= id %>" class="zone" data-zone="<%= title %>" style="',
'top:<%= y %>px;',
'left:<%= x %>px;',
'width:<%= width %>px;',
'height:<%= height %>px;">',
'<p><%= title %></p>',
'</div>'
].join('');
},
zoneDropdown: '<option value="<%= value %>"><%= value %></option>',
itemInput: function() {
return [
'<div class="item">',
'<div class="row">',
'<label>Text</label>',
'<input type="text" class="item-text"></input>',
'<label>Zone</label>',
'<select class="zone-select"><%= dropdown %></select>',
'<a href="#" class="remove-item hidden">',
'<div class="icon remove"></div>',
'</a>',
'</div>',
'<div class="row">',
'<label>Background image URL (alternative to the text)</label>',
'<textarea class="background-image"></textarea>',
'</div>',
'<div class="row">',
'<label>Success Feedback</label>',
'<textarea class="success-feedback"></textarea>',
'</div>',
'<div class="row">',
'<label>Error Feedback</label>',
'<textarea class="error-feedback"></textarea>',
'</div>',
'<div class="row">',
'<label>Width (px - 0 for auto)</label>',
'<input type="text" class="item-width" value="190"></input>',
'<label>Height (px - 0 for auto)</label>',
'<input type="text" class="item-height" value="0"></input>',
'</div>',
'</div>'
].join('');
} }
}, },
...@@ -95,6 +35,9 @@ function DragAndDropEditBlock(runtime, element) { ...@@ -95,6 +35,9 @@ function DragAndDropEditBlock(runtime, element) {
init: function(data) { init: function(data) {
_fn.data = data; _fn.data = data;
// Compile templates
_fn.tpl.init();
_fn.build.clickHandlers(); _fn.build.clickHandlers();
_fn.build.form.zone.add(); _fn.build.form.zone.add();
}, },
...@@ -165,8 +108,8 @@ function DragAndDropEditBlock(runtime, element) { ...@@ -165,8 +108,8 @@ function DragAndDropEditBlock(runtime, element) {
} }
}, },
add: function(e) { add: function(e) {
var inputTemplate = _fn.tpl.zoneInput(), var inputTemplate = _fn.tpl.zoneInput,
zoneTemplate = _fn.tpl.zoneElement(), zoneTemplate = _fn.tpl.zoneElement,
name = 'zone-', name = 'zone-',
$elements = _fn.build.$el, $elements = _fn.build.$el,
num, num,
...@@ -196,14 +139,14 @@ function DragAndDropEditBlock(runtime, element) { ...@@ -196,14 +139,14 @@ function DragAndDropEditBlock(runtime, element) {
_fn.build.form.zone.obj.push(zoneObj); _fn.build.form.zone.obj.push(zoneObj);
// Add fields to zone position form // Add fields to zone position form
$elements.zones.form.append(_.template(inputTemplate, { $elements.zones.form.append(inputTemplate({
title: 'Zone ' + num, title: 'Zone ' + num,
name: name name: name
})); }));
_fn.build.form.zone.enableDelete(); _fn.build.form.zone.enableDelete();
// Add zone div to target // Add zone div to target
$elements.target.append(_.template(zoneTemplate, zoneObj)); $elements.target.append(zoneTemplate(zoneObj));
// Listen to changes in form to update zone div // Listen to changes in form to update zone div
_fn.build.form.zone.clickHandler(num); _fn.build.form.zone.clickHandler(num);
...@@ -314,14 +257,14 @@ function DragAndDropEditBlock(runtime, element) { ...@@ -314,14 +257,14 @@ function DragAndDropEditBlock(runtime, element) {
html; html;
for (i=0; i<len; i++) { for (i=0; i<len; i++) {
dropdown.push(_.template(tpl, { value: arr[i] })); dropdown.push(tpl({ value: arr[i] }));
} }
// Add option to include dummy answers // Add option to include dummy answers
dropdown.push(_.template(tpl, { value: 'none' })); dropdown.push(tpl({ value: 'none' }));
html = dropdown.join(''); html = dropdown.join('');
_fn.build.form.zone.dropdown = html; _fn.build.form.zone.dropdown = new Handlebars.SafeString(html);
_fn.build.$el.items.form.find('.zone-select').html(html); _fn.build.$el.items.form.find('.zone-select').html(html);
}, },
feedback: function($form) { feedback: function($form) {
...@@ -334,14 +277,14 @@ function DragAndDropEditBlock(runtime, element) { ...@@ -334,14 +277,14 @@ function DragAndDropEditBlock(runtime, element) {
count: 0, count: 0,
add: function(e) { add: function(e) {
var $form = _fn.build.$el.items.form, var $form = _fn.build.$el.items.form,
tpl = _fn.tpl.itemInput(); tpl = _fn.tpl.itemInput;
if (e) { if (e) {
e.preventDefault(); e.preventDefault();
} }
_fn.build.form.item.count++; _fn.build.form.item.count++;
$form.append(_.template(tpl, { dropdown: _fn.build.form.zone.dropdown })); $form.append(tpl({ dropdown: _fn.build.form.zone.dropdown }));
_fn.build.form.item.enableDelete(); _fn.build.form.item.enableDelete();
// Placeholder shim for IE9 // Placeholder shim for IE9
......
drag_and_drop_v2/public/js/vendor/handlebars-v1.1.2.js 0 → 100644
/*!
handlebars v1.1.2
Copyright (C) 2011 by Yehuda Katz
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.
@license
*/
var Handlebars = (function() {
// handlebars/safe-string.js
var __module4__ = (function() {
"use strict";
var __exports__;
// Build out our basic SafeString type
function SafeString(string) {
this.string = string;
}
SafeString.prototype.toString = function() {
return "" + this.string;
};
__exports__ = SafeString;
return __exports__;
})();
// handlebars/utils.js
var __module3__ = (function(__dependency1__) {
"use strict";
var __exports__ = {};
var SafeString = __dependency1__;
var escape = {
"&": "&amp;",
"<": "&lt;",
">": "&gt;",
'"': "&quot;",
"'": "&#x27;",
"`": "&#x60;"
};
var badChars = /[&<>"'`]/g;
var possible = /[&<>"'`]/;
function escapeChar(chr) {
return escape[chr] || "&amp;";
}
function extend(obj, value) {
for(var key in value) {
if(value.hasOwnProperty(key)) {
obj[key] = value[key];
}
}
}
__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
if (isFunction(/x/)) {
isFunction = function(value) {
return typeof value === 'function' && toString.call(value) === '[object Function]';
};
}
var isFunction;
__exports__.isFunction = isFunction;
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 && string !== 0) {
return "";
}
// 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;
return __exports__;
})(__module4__);
// handlebars/exception.js
var __module5__ = (function() {
"use strict";
var __exports__;
var errorProps = ['description', 'fileName', 'lineNumber', 'message', 'name', 'number', 'stack'];
function Exception(/* message */) {
var tmp = Error.prototype.constructor.apply(this, arguments);
// 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]];
}
}
Exception.prototype = new Error();
__exports__ = Exception;
return __exports__;
})();
// handlebars/base.js
var __module2__ = (function(__dependency1__, __dependency2__) {
"use strict";
var __exports__ = {};
/*globals Exception, Utils */
var Utils = __dependency1__;
var Exception = __dependency2__;
var VERSION = "1.1.2";
__exports__.VERSION = VERSION;var COMPILER_REVISION = 4;
__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: '>= 1.0.0'
};
__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, inverse) {
if (toString.call(name) === objectType) {
if (inverse || fn) { throw new Exception('Arg not supported with multiple helpers'); }
Utils.extend(this.helpers, name);
} else {
if (inverse) { fn.not = inverse; }
this.helpers[name] = fn;
}
},
registerPartial: function(name, str) {
if (toString.call(name) === objectType) {
Utils.extend(this.partials, name);
} else {
this.partials[name] = str;
}
}
};
function registerDefaultHelpers(instance) {
instance.registerHelper('helperMissing', function(arg) {
if(arguments.length === 2) {
return undefined;
} else {
throw new Error("Missing helper: '" + arg + "'");
}
});
instance.registerHelper('blockHelperMissing', function(context, options) {
var inverse = options.inverse || function() {}, fn = options.fn;
if (isFunction(context)) { context = context.call(this); }
if(context === true) {
return fn(this);
} else if(context === false || context == null) {
return inverse(this);
} else if (isArray(context)) {
if(context.length > 0) {
return instance.helpers.each(context, options);
} else {
return inverse(this);
}
} else {
return fn(context);
}
});
instance.registerHelper('each', function(context, options) {
var fn = options.fn, inverse = options.inverse;
var i = 0, ret = "", data;
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));
}
ret = ret + fn(context[i], { data: data });
}
} else {
for(var key in context) {
if(context.hasOwnProperty(key)) {
if(data) { data.key = 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); }
if (!Utils.isEmpty(context)) return options.fn(context);
});
instance.registerHelper('log', function(context, options) {
var level = options.data && options.data.level != null ? parseInt(options.data.level, 10) : 1;
instance.log(level, context);
});
}
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, obj) {
if (logger.level <= level) {
var method = logger.methodMap[level];
if (typeof console !== 'undefined' && console[method]) {
console[method].call(console, obj);
}
}
}
};
__exports__.logger = logger;
function log(level, obj) { logger.log(level, obj); }
__exports__.log = log;var createFrame = function(object) {
var obj = {};
Utils.extend(obj, object);
return obj;
};
__exports__.createFrame = createFrame;
return __exports__;
})(__module3__, __module5__);
// handlebars/runtime.js
var __module6__ = (function(__dependency1__, __dependency2__, __dependency3__) {
"use strict";
var __exports__ = {};
/*global Utils */
var Utils = __dependency1__;
var Exception = __dependency2__;
var COMPILER_REVISION = __dependency3__.COMPILER_REVISION;
var REVISION_CHANGES = __dependency3__.REVISION_CHANGES;
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 Error("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 Error("Template was precompiled with a newer version of Handlebars than the current runtime. "+
"Please update your runtime to a newer version ("+compilerInfo[1]+").");
}
}
}
// TODO: Remove this line and break up compilePartial
function template(templateSpec, env) {
if (!env) {
throw new Error("No environment passed to template");
}
var invokePartialWrapper;
if (env.compile) {
invokePartialWrapper = function(partial, name, context, helpers, partials, data) {
// TODO : Check this for all inputs and the options handling (partial flag, etc). This feels
// like there should be a common exec path
var result = invokePartial.apply(this, arguments);
if (result) { return result; }
var options = { helpers: helpers, partials: partials, data: data };
partials[name] = env.compile(partial, { data: data !== undefined }, env);
return partials[name](context, options);
};
} else {
invokePartialWrapper = function(partial, name /* , context, helpers, partials, data */) {
var result = invokePartial.apply(this, arguments);
if (result) { return result; }
throw new Exception("The partial " + name + " could not be compiled when running in runtime-only mode");
};
}
// Just add water
var container = {
escapeExpression: Utils.escapeExpression,
invokePartial: invokePartialWrapper,
programs: [],
program: function(i, fn, data) {
var programWrapper = this.programs[i];
if(data) {
programWrapper = program(i, fn, data);
} else if (!programWrapper) {
programWrapper = this.programs[i] = program(i, fn);
}
return programWrapper;
},
merge: function(param, common) {
var ret = param || common;
if (param && common && (param !== common)) {
ret = {};
Utils.extend(ret, common);
Utils.extend(ret, param);
}
return ret;
},
programWithDepth: programWithDepth,
noop: noop,
compilerInfo: null
};
return function(context, options) {
options = options || {};
var namespace = options.partial ? options : env,
helpers,
partials;
if (!options.partial) {
helpers = options.helpers;
partials = options.partials;
}
var result = templateSpec.call(
container,
namespace, context,
helpers,
partials,
options.data);
if (!options.partial) {
checkRevision(container.compilerInfo);
}
return result;
};
}
__exports__.template = template;function programWithDepth(i, fn, data /*, $depth */) {
var args = Array.prototype.slice.call(arguments, 3);
var prog = function(context, options) {
options = options || {};
return fn.apply(this, [context, options.data || data].concat(args));
};
prog.program = i;
prog.depth = args.length;
return prog;
}
__exports__.programWithDepth = programWithDepth;function program(i, fn, data) {
var prog = function(context, options) {
options = options || {};
return fn(context, options.data || data);
};
prog.program = i;
prog.depth = 0;
return prog;
}
__exports__.program = program;function invokePartial(partial, name, context, helpers, partials, data) {
var options = { partial: true, helpers: helpers, partials: partials, data: data };
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;
return __exports__;
})(__module3__, __module5__, __module2__);
// handlebars.runtime.js
var __module1__ = (function(__dependency1__, __dependency2__, __dependency3__, __dependency4__, __dependency5__) {
"use strict";
var __exports__;
var base = __dependency1__;
// Each of these augment the Handlebars object. No need to setup here.
// (This is done to easily share code between commonjs and browse envs)
var SafeString = __dependency2__;
var Exception = __dependency3__;
var Utils = __dependency4__;
var runtime = __dependency5__;
// For compatibility and usage outside of module systems, make the Handlebars object a namespace
var create = function() {
var hb = new base.HandlebarsEnvironment();
Utils.extend(hb, base);
hb.SafeString = SafeString;
hb.Exception = Exception;
hb.Utils = Utils;
hb.VM = runtime;
hb.template = function(spec) {
return runtime.template(spec, hb);
};
return hb;
};
var Handlebars = create();
Handlebars.create = create;
__exports__ = Handlebars;
return __exports__;
})(__module2__, __module4__, __module5__, __module3__, __module6__);
// handlebars/compiler/ast.js
var __module7__ = (function(__dependency1__) {
"use strict";
var __exports__ = {};
var Exception = __dependency1__;
function ProgramNode(statements, inverseStrip, inverse) {
this.type = "program";
this.statements = statements;
this.strip = {};
if(inverse) {
this.inverse = new ProgramNode(inverse, inverseStrip);
this.strip.right = inverseStrip.left;
} else if (inverseStrip) {
this.strip.left = inverseStrip.right;
}
}
__exports__.ProgramNode = ProgramNode;function MustacheNode(rawParams, hash, open, strip) {
this.type = "mustache";
this.hash = hash;
this.strip = strip;
var escapeFlag = open[3] || open[2];
this.escaped = escapeFlag !== '{' && escapeFlag !== '&';
var id = this.id = rawParams[0];
var params = this.params = rawParams.slice(1);
// a mustache is an eligible helper if:
// * its id is simple (a single part, not `this` or `..`)
var eligibleHelper = this.eligibleHelper = id.isSimple;
// a mustache is definitely a helper if:
// * it is an eligible helper, and
// * it has at least one parameter or hash segment
this.isHelper = eligibleHelper && (params.length || hash);
// if a mustache is an eligible helper but not a definite
// helper, it is ambiguous, and will be resolved in a later
// pass or at runtime.
}
__exports__.MustacheNode = MustacheNode;function PartialNode(partialName, context, strip) {
this.type = "partial";
this.partialName = partialName;
this.context = context;
this.strip = strip;
}
__exports__.PartialNode = PartialNode;function BlockNode(mustache, program, inverse, close) {
if(mustache.id.original !== close.path.original) {
throw new Exception(mustache.id.original + " doesn't match " + close.path.original);
}
this.type = "block";
this.mustache = mustache;
this.program = program;
this.inverse = inverse;
this.strip = {
left: mustache.strip.left,
right: close.strip.right
};
(program || inverse).strip.left = mustache.strip.right;
(inverse || program).strip.right = close.strip.left;
if (inverse && !program) {
this.isInverse = true;
}
}
__exports__.BlockNode = BlockNode;function ContentNode(string) {
this.type = "content";
this.string = string;
}
__exports__.ContentNode = ContentNode;function HashNode(pairs) {
this.type = "hash";
this.pairs = pairs;
}
__exports__.HashNode = HashNode;function IdNode(parts) {
this.type = "ID";
var original = "",
dig = [],
depth = 0;
for(var i=0,l=parts.length; i<l; i++) {
var part = parts[i].part;
original += (parts[i].separator || '') + part;
if (part === ".." || part === "." || part === "this") {
if (dig.length > 0) { throw new Exception("Invalid path: " + original); }
else if (part === "..") { depth++; }
else { this.isScoped = true; }
}
else { dig.push(part); }
}
this.original = original;
this.parts = dig;
this.string = dig.join('.');
this.depth = depth;
// an ID is simple if it only has one part, and that part is not
// `..` or `this`.
this.isSimple = parts.length === 1 && !this.isScoped && depth === 0;
this.stringModeValue = this.string;
}
__exports__.IdNode = IdNode;function PartialNameNode(name) {
this.type = "PARTIAL_NAME";
this.name = name.original;
}
__exports__.PartialNameNode = PartialNameNode;function DataNode(id) {
this.type = "DATA";
this.id = id;
}
__exports__.DataNode = DataNode;function StringNode(string) {
this.type = "STRING";
this.original =
this.string =
this.stringModeValue = string;
}
__exports__.StringNode = StringNode;function IntegerNode(integer) {
this.type = "INTEGER";
this.original =
this.integer = integer;
this.stringModeValue = Number(integer);
}
__exports__.IntegerNode = IntegerNode;function BooleanNode(bool) {
this.type = "BOOLEAN";
this.bool = bool;
this.stringModeValue = bool === "true";
}
__exports__.BooleanNode = BooleanNode;function CommentNode(comment) {
this.type = "comment";
this.comment = comment;
}
__exports__.CommentNode = CommentNode;
return __exports__;
})(__module5__);
// handlebars/compiler/parser.js
var __module9__ = (function() {
"use strict";
var __exports__;
/* Jison generated parser */
var handlebars = (function(){
var parser = {trace: function trace() { },
yy: {},
symbols_: {"error":2,"root":3,"statements":4,"EOF":5,"program":6,"simpleInverse":7,"statement":8,"openInverse":9,"closeBlock":10,"openBlock":11,"mustache":12,"partial":13,"CONTENT":14,"COMMENT":15,"OPEN_BLOCK":16,"inMustache":17,"CLOSE":18,"OPEN_INVERSE":19,"OPEN_ENDBLOCK":20,"path":21,"OPEN":22,"OPEN_UNESCAPED":23,"CLOSE_UNESCAPED":24,"OPEN_PARTIAL":25,"partialName":26,"partial_option0":27,"inMustache_repetition0":28,"inMustache_option0":29,"dataName":30,"param":31,"STRING":32,"INTEGER":33,"BOOLEAN":34,"hash":35,"hash_repetition_plus0":36,"hashSegment":37,"ID":38,"EQUALS":39,"DATA":40,"pathSegments":41,"SEP":42,"$accept":0,"$end":1},
terminals_: {2:"error",5:"EOF",14:"CONTENT",15:"COMMENT",16:"OPEN_BLOCK",18:"CLOSE",19:"OPEN_INVERSE",20:"OPEN_ENDBLOCK",22:"OPEN",23:"OPEN_UNESCAPED",24:"CLOSE_UNESCAPED",25:"OPEN_PARTIAL",32:"STRING",33:"INTEGER",34:"BOOLEAN",38:"ID",39:"EQUALS",40:"DATA",42:"SEP"},
productions_: [0,[3,2],[3,1],[6,2],[6,3],[6,2],[6,1],[6,1],[6,0],[4,1],[4,2],[8,3],[8,3],[8,1],[8,1],[8,1],[8,1],[11,3],[9,3],[10,3],[12,3],[12,3],[13,4],[7,2],[17,3],[17,1],[31,1],[31,1],[31,1],[31,1],[31,1],[35,1],[37,3],[26,1],[26,1],[26,1],[30,2],[21,1],[41,3],[41,1],[27,0],[27,1],[28,0],[28,2],[29,0],[29,1],[36,1],[36,2]],
performAction: function anonymous(yytext,yyleng,yylineno,yy,yystate,$$,_$) {
var $0 = $$.length - 1;
switch (yystate) {
case 1: return new yy.ProgramNode($$[$0-1]);
break;
case 2: return new yy.ProgramNode([]);
break;
case 3:this.$ = new yy.ProgramNode([], $$[$0-1], $$[$0]);
break;
case 4:this.$ = new yy.ProgramNode($$[$0-2], $$[$0-1], $$[$0]);
break;
case 5:this.$ = new yy.ProgramNode($$[$0-1], $$[$0], []);
break;
case 6:this.$ = new yy.ProgramNode($$[$0]);
break;
case 7:this.$ = new yy.ProgramNode([]);
break;
case 8:this.$ = new yy.ProgramNode([]);
break;
case 9:this.$ = [$$[$0]];
break;
case 10: $$[$0-1].push($$[$0]); this.$ = $$[$0-1];
break;
case 11:this.$ = new yy.BlockNode($$[$0-2], $$[$0-1].inverse, $$[$0-1], $$[$0]);
break;
case 12:this.$ = new yy.BlockNode($$[$0-2], $$[$0-1], $$[$0-1].inverse, $$[$0]);
break;
case 13:this.$ = $$[$0];
break;
case 14:this.$ = $$[$0];
break;
case 15:this.$ = new yy.ContentNode($$[$0]);
break;
case 16:this.$ = new yy.CommentNode($$[$0]);
break;
case 17:this.$ = new yy.MustacheNode($$[$0-1][0], $$[$0-1][1], $$[$0-2], stripFlags($$[$0-2], $$[$0]));
break;
case 18:this.$ = new yy.MustacheNode($$[$0-1][0], $$[$0-1][1], $$[$0-2], stripFlags($$[$0-2], $$[$0]));
break;
case 19:this.$ = {path: $$[$0-1], strip: stripFlags($$[$0-2], $$[$0])};
break;
case 20:this.$ = new yy.MustacheNode($$[$0-1][0], $$[$0-1][1], $$[$0-2], stripFlags($$[$0-2], $$[$0]));
break;
case 21:this.$ = new yy.MustacheNode($$[$0-1][0], $$[$0-1][1], $$[$0-2], stripFlags($$[$0-2], $$[$0]));
break;
case 22:this.$ = new yy.PartialNode($$[$0-2], $$[$0-1], stripFlags($$[$0-3], $$[$0]));
break;
case 23:this.$ = stripFlags($$[$0-1], $$[$0]);
break;
case 24:this.$ = [[$$[$0-2]].concat($$[$0-1]), $$[$0]];
break;
case 25:this.$ = [[$$[$0]], null];
break;
case 26:this.$ = $$[$0];
break;
case 27:this.$ = new yy.StringNode($$[$0]);
break;
case 28:this.$ = new yy.IntegerNode($$[$0]);
break;
case 29:this.$ = new yy.BooleanNode($$[$0]);
break;
case 30:this.$ = $$[$0];
break;
case 31:this.$ = new yy.HashNode($$[$0]);
break;
case 32:this.$ = [$$[$0-2], $$[$0]];
break;
case 33:this.$ = new yy.PartialNameNode($$[$0]);
break;
case 34:this.$ = new yy.PartialNameNode(new yy.StringNode($$[$0]));
break;
case 35:this.$ = new yy.PartialNameNode(new yy.IntegerNode($$[$0]));
break;
case 36:this.$ = new yy.DataNode($$[$0]);
break;
case 37:this.$ = new yy.IdNode($$[$0]);
break;
case 38: $$[$0-2].push({part: $$[$0], separator: $$[$0-1]}); this.$ = $$[$0-2];
break;
case 39:this.$ = [{part: $$[$0]}];
break;
case 42:this.$ = [];
break;
case 43:$$[$0-1].push($$[$0]);
break;
case 46:this.$ = [$$[$0]];
break;
case 47:$$[$0-1].push($$[$0]);
break;
}
},
table: [{3:1,4:2,5:[1,3],8:4,9:5,11:6,12:7,13:8,14:[1,9],15:[1,10],16:[1,12],19:[1,11],22:[1,13],23:[1,14],25:[1,15]},{1:[3]},{5:[1,16],8:17,9:5,11:6,12:7,13:8,14:[1,9],15:[1,10],16:[1,12],19:[1,11],22:[1,13],23:[1,14],25:[1,15]},{1:[2,2]},{5:[2,9],14:[2,9],15:[2,9],16:[2,9],19:[2,9],20:[2,9],22:[2,9],23:[2,9],25:[2,9]},{4:20,6:18,7:19,8:4,9:5,11:6,12:7,13:8,14:[1,9],15:[1,10],16:[1,12],19:[1,21],20:[2,8],22:[1,13],23:[1,14],25:[1,15]},{4:20,6:22,7:19,8:4,9:5,11:6,12:7,13:8,14:[1,9],15:[1,10],16:[1,12],19:[1,21],20:[2,8],22:[1,13],23:[1,14],25:[1,15]},{5:[2,13],14:[2,13],15:[2,13],16:[2,13],19:[2,13],20:[2,13],22:[2,13],23:[2,13],25:[2,13]},{5:[2,14],14:[2,14],15:[2,14],16:[2,14],19:[2,14],20:[2,14],22:[2,14],23:[2,14],25:[2,14]},{5:[2,15],14:[2,15],15:[2,15],16:[2,15],19:[2,15],20:[2,15],22:[2,15],23:[2,15],25:[2,15]},{5:[2,16],14:[2,16],15:[2,16],16:[2,16],19:[2,16],20:[2,16],22:[2,16],23:[2,16],25:[2,16]},{17:23,21:24,30:25,38:[1,28],40:[1,27],41:26},{17:29,21:24,30:25,38:[1,28],40:[1,27],41:26},{17:30,21:24,30:25,38:[1,28],40:[1,27],41:26},{17:31,21:24,30:25,38:[1,28],40:[1,27],41:26},{21:33,26:32,32:[1,34],33:[1,35],38:[1,28],41:26},{1:[2,1]},{5:[2,10],14:[2,10],15:[2,10],16:[2,10],19:[2,10],20:[2,10],22:[2,10],23:[2,10],25:[2,10]},{10:36,20:[1,37]},{4:38,8:4,9:5,11:6,12:7,13:8,14:[1,9],15:[1,10],16:[1,12],19:[1,11],20:[2,7],22:[1,13],23:[1,14],25:[1,15]},{7:39,8:17,9:5,11:6,12:7,13:8,14:[1,9],15:[1,10],16:[1,12],19:[1,21],20:[2,6],22:[1,13],23:[1,14],25:[1,15]},{17:23,18:[1,40],21:24,30:25,38:[1,28],40:[1,27],41:26},{10:41,20:[1,37]},{18:[1,42]},{18:[2,42],24:[2,42],28:43,32:[2,42],33:[2,42],34:[2,42],38:[2,42],40:[2,42]},{18:[2,25],24:[2,25]},{18:[2,37],24:[2,37],32:[2,37],33:[2,37],34:[2,37],38:[2,37],40:[2,37],42:[1,44]},{21:45,38:[1,28],41:26},{18:[2,39],24:[2,39],32:[2,39],33:[2,39],34:[2,39],38:[2,39],40:[2,39],42:[2,39]},{18:[1,46]},{18:[1,47]},{24:[1,48]},{18:[2,40],21:50,27:49,38:[1,28],41:26},{18:[2,33],38:[2,33]},{18:[2,34],38:[2,34]},{18:[2,35],38:[2,35]},{5:[2,11],14:[2,11],15:[2,11],16:[2,11],19:[2,11],20:[2,11],22:[2,11],23:[2,11],25:[2,11]},{21:51,38:[1,28],41:26},{8:17,9:5,11:6,12:7,13:8,14:[1,9],15:[1,10],16:[1,12],19:[1,11],20:[2,3],22:[1,13],23:[1,14],25:[1,15]},{4:52,8:4,9:5,11:6,12:7,13:8,14:[1,9],15:[1,10],16:[1,12],19:[1,11],20:[2,5],22:[1,13],23:[1,14],25:[1,15]},{14:[2,23],15:[2,23],16:[2,23],19:[2,23],20:[2,23],22:[2,23],23:[2,23],25:[2,23]},{5:[2,12],14:[2,12],15:[2,12],16:[2,12],19:[2,12],20:[2,12],22:[2,12],23:[2,12],25:[2,12]},{14:[2,18],15:[2,18],16:[2,18],19:[2,18],20:[2,18],22:[2,18],23:[2,18],25:[2,18]},{18:[2,44],21:56,24:[2,44],29:53,30:60,31:54,32:[1,57],33:[1,58],34:[1,59],35:55,36:61,37:62,38:[1,63],40:[1,27],41:26},{38:[1,64]},{18:[2,36],24:[2,36],32:[2,36],33:[2,36],34:[2,36],38:[2,36],40:[2,36]},{14:[2,17],15:[2,17],16:[2,17],19:[2,17],20:[2,17],22:[2,17],23:[2,17],25:[2,17]},{5:[2,20],14:[2,20],15:[2,20],16:[2,20],19:[2,20],20:[2,20],22:[2,20],23:[2,20],25:[2,20]},{5:[2,21],14:[2,21],15:[2,21],16:[2,21],19:[2,21],20:[2,21],22:[2,21],23:[2,21],25:[2,21]},{18:[1,65]},{18:[2,41]},{18:[1,66]},{8:17,9:5,11:6,12:7,13:8,14:[1,9],15:[1,10],16:[1,12],19:[1,11],20:[2,4],22:[1,13],23:[1,14],25:[1,15]},{18:[2,24],24:[2,24]},{18:[2,43],24:[2,43],32:[2,43],33:[2,43],34:[2,43],38:[2,43],40:[2,43]},{18:[2,45],24:[2,45]},{18:[2,26],24:[2,26],32:[2,26],33:[2,26],34:[2,26],38:[2,26],40:[2,26]},{18:[2,27],24:[2,27],32:[2,27],33:[2,27],34:[2,27],38:[2,27],40:[2,27]},{18:[2,28],24:[2,28],32:[2,28],33:[2,28],34:[2,28],38:[2,28],40:[2,28]},{18:[2,29],24:[2,29],32:[2,29],33:[2,29],34:[2,29],38:[2,29],40:[2,29]},{18:[2,30],24:[2,30],32:[2,30],33:[2,30],34:[2,30],38:[2,30],40:[2,30]},{18:[2,31],24:[2,31],37:67,38:[1,68]},{18:[2,46],24:[2,46],38:[2,46]},{18:[2,39],24:[2,39],32:[2,39],33:[2,39],34:[2,39],38:[2,39],39:[1,69],40:[2,39],42:[2,39]},{18:[2,38],24:[2,38],32:[2,38],33:[2,38],34:[2,38],38:[2,38],40:[2,38],42:[2,38]},{5:[2,22],14:[2,22],15:[2,22],16:[2,22],19:[2,22],20:[2,22],22:[2,22],23:[2,22],25:[2,22]},{5:[2,19],14:[2,19],15:[2,19],16:[2,19],19:[2,19],20:[2,19],22:[2,19],23:[2,19],25:[2,19]},{18:[2,47],24:[2,47],38:[2,47]},{39:[1,69]},{21:56,30:60,31:70,32:[1,57],33:[1,58],34:[1,59],38:[1,28],40:[1,27],41:26},{18:[2,32],24:[2,32],38:[2,32]}],
defaultActions: {3:[2,2],16:[2,1],50:[2,41]},
parseError: function parseError(str, hash) {
throw new Error(str);
},
parse: function parse(input) {
var self = this, stack = [0], vstack = [null], lstack = [], table = this.table, yytext = "", yylineno = 0, yyleng = 0, recovering = 0, TERROR = 2, EOF = 1;
this.lexer.setInput(input);
this.lexer.yy = this.yy;
this.yy.lexer = this.lexer;
this.yy.parser = this;
if (typeof this.lexer.yylloc == "undefined")
this.lexer.yylloc = {};
var yyloc = this.lexer.yylloc;
lstack.push(yyloc);
var ranges = this.lexer.options && this.lexer.options.ranges;
if (typeof this.yy.parseError === "function")
this.parseError = this.yy.parseError;
function popStack(n) {
stack.length = stack.length - 2 * n;
vstack.length = vstack.length - n;
lstack.length = lstack.length - n;
}
function lex() {
var token;
token = self.lexer.lex() || 1;
if (typeof token !== "number") {
token = self.symbols_[token] || token;
}
return token;
}
var symbol, preErrorSymbol, state, action, a, r, yyval = {}, p, len, newState, expected;
while (true) {
state = stack[stack.length - 1];
if (this.defaultActions[state]) {
action = this.defaultActions[state];
} else {
if (symbol === null || typeof symbol == "undefined") {
symbol = lex();
}
action = table[state] && table[state][symbol];
}
if (typeof action === "undefined" || !action.length || !action[0]) {
var errStr = "";
if (!recovering) {
expected = [];
for (p in table[state])
if (this.terminals_[p] && p > 2) {
expected.push("'" + this.terminals_[p] + "'");
}
if (this.lexer.showPosition) {
errStr = "Parse error on line " + (yylineno + 1) + ":\n" + this.lexer.showPosition() + "\nExpecting " + expected.join(", ") + ", got '" + (this.terminals_[symbol] || symbol) + "'";
} else {
errStr = "Parse error on line " + (yylineno + 1) + ": Unexpected " + (symbol == 1?"end of input":"'" + (this.terminals_[symbol] || symbol) + "'");
}
this.parseError(errStr, {text: this.lexer.match, token: this.terminals_[symbol] || symbol, line: this.lexer.yylineno, loc: yyloc, expected: expected});
}
}
if (action[0] instanceof Array && action.length > 1) {
throw new Error("Parse Error: multiple actions possible at state: " + state + ", token: " + symbol);
}
switch (action[0]) {
case 1:
stack.push(symbol);
vstack.push(this.lexer.yytext);
lstack.push(this.lexer.yylloc);
stack.push(action[1]);
symbol = null;
if (!preErrorSymbol) {
yyleng = this.lexer.yyleng;
yytext = this.lexer.yytext;
yylineno = this.lexer.yylineno;
yyloc = this.lexer.yylloc;
if (recovering > 0)
recovering--;
} else {
symbol = preErrorSymbol;
preErrorSymbol = null;
}
break;
case 2:
len = this.productions_[action[1]][1];
yyval.$ = vstack[vstack.length - len];
yyval._$ = {first_line: lstack[lstack.length - (len || 1)].first_line, last_line: lstack[lstack.length - 1].last_line, first_column: lstack[lstack.length - (len || 1)].first_column, last_column: lstack[lstack.length - 1].last_column};
if (ranges) {
yyval._$.range = [lstack[lstack.length - (len || 1)].range[0], lstack[lstack.length - 1].range[1]];
}
r = this.performAction.call(yyval, yytext, yyleng, yylineno, this.yy, action[1], vstack, lstack);
if (typeof r !== "undefined") {
return r;
}
if (len) {
stack = stack.slice(0, -1 * len * 2);
vstack = vstack.slice(0, -1 * len);
lstack = lstack.slice(0, -1 * len);
}
stack.push(this.productions_[action[1]][0]);
vstack.push(yyval.$);
lstack.push(yyval._$);
newState = table[stack[stack.length - 2]][stack[stack.length - 1]];
stack.push(newState);
break;
case 3:
return true;
}
}
return true;
}
};
function stripFlags(open, close) {
return {
left: open[2] === '~',
right: close[0] === '~' || close[1] === '~'
};
}
/* Jison generated lexer */
var lexer = (function(){
var lexer = ({EOF:1,
parseError:function parseError(str, hash) {
if (this.yy.parser) {
this.yy.parser.parseError(str, hash);
} else {
throw new Error(str);
}
},
setInput:function (input) {
this._input = input;
this._more = this._less = this.done = false;
this.yylineno = this.yyleng = 0;
this.yytext = this.matched = this.match = '';
this.conditionStack = ['INITIAL'];
this.yylloc = {first_line:1,first_column:0,last_line:1,last_column:0};
if (this.options.ranges) this.yylloc.range = [0,0];
this.offset = 0;
return this;
},
input:function () {
var ch = this._input[0];
this.yytext += ch;
this.yyleng++;
this.offset++;
this.match += ch;
this.matched += ch;
var lines = ch.match(/(?:\r\n?|\n).*/g);
if (lines) {
this.yylineno++;
this.yylloc.last_line++;
} else {
this.yylloc.last_column++;
}
if (this.options.ranges) this.yylloc.range[1]++;
this._input = this._input.slice(1);
return ch;
},
unput:function (ch) {
var len = ch.length;
var lines = ch.split(/(?:\r\n?|\n)/g);
this._input = ch + this._input;
this.yytext = this.yytext.substr(0, this.yytext.length-len-1);
//this.yyleng -= len;
this.offset -= len;
var oldLines = this.match.split(/(?:\r\n?|\n)/g);
this.match = this.match.substr(0, this.match.length-1);
this.matched = this.matched.substr(0, this.matched.length-1);
if (lines.length-1) this.yylineno -= lines.length-1;
var r = this.yylloc.range;
this.yylloc = {first_line: this.yylloc.first_line,
last_line: this.yylineno+1,
first_column: this.yylloc.first_column,
last_column: lines ?
(lines.length === oldLines.length ? this.yylloc.first_column : 0) + oldLines[oldLines.length - lines.length].length - lines[0].length:
this.yylloc.first_column - len
};
if (this.options.ranges) {
this.yylloc.range = [r[0], r[0] + this.yyleng - len];
}
return this;
},
more:function () {
this._more = true;
return this;
},
less:function (n) {
this.unput(this.match.slice(n));
},
pastInput:function () {
var past = this.matched.substr(0, this.matched.length - this.match.length);
return (past.length > 20 ? '...':'') + past.substr(-20).replace(/\n/g, "");
},
upcomingInput:function () {
var next = this.match;
if (next.length < 20) {
next += this._input.substr(0, 20-next.length);
}
return (next.substr(0,20)+(next.length > 20 ? '...':'')).replace(/\n/g, "");
},
showPosition:function () {
var pre = this.pastInput();
var c = new Array(pre.length + 1).join("-");
return pre + this.upcomingInput() + "\n" + c+"^";
},
next:function () {
if (this.done) {
return this.EOF;
}
if (!this._input) this.done = true;
var token,
match,
tempMatch,
index,
col,
lines;
if (!this._more) {
this.yytext = '';
this.match = '';
}
var rules = this._currentRules();
for (var i=0;i < rules.length; i++) {
tempMatch = this._input.match(this.rules[rules[i]]);
if (tempMatch && (!match || tempMatch[0].length > match[0].length)) {
match = tempMatch;
index = i;
if (!this.options.flex) break;
}
}
if (match) {
lines = match[0].match(/(?:\r\n?|\n).*/g);
if (lines) this.yylineno += lines.length;
this.yylloc = {first_line: this.yylloc.last_line,
last_line: this.yylineno+1,
first_column: this.yylloc.last_column,
last_column: lines ? lines[lines.length-1].length-lines[lines.length-1].match(/\r?\n?/)[0].length : this.yylloc.last_column + match[0].length};
this.yytext += match[0];
this.match += match[0];
this.matches = match;
this.yyleng = this.yytext.length;
if (this.options.ranges) {
this.yylloc.range = [this.offset, this.offset += this.yyleng];
}
this._more = false;
this._input = this._input.slice(match[0].length);
this.matched += match[0];
token = this.performAction.call(this, this.yy, this, rules[index],this.conditionStack[this.conditionStack.length-1]);
if (this.done && this._input) this.done = false;
if (token) return token;
else return;
}
if (this._input === "") {
return this.EOF;
} else {
return this.parseError('Lexical error on line '+(this.yylineno+1)+'. Unrecognized text.\n'+this.showPosition(),
{text: "", token: null, line: this.yylineno});
}
},
lex:function lex() {
var r = this.next();
if (typeof r !== 'undefined') {
return r;
} else {
return this.lex();
}
},
begin:function begin(condition) {
this.conditionStack.push(condition);
},
popState:function popState() {
return this.conditionStack.pop();
},
_currentRules:function _currentRules() {
return this.conditions[this.conditionStack[this.conditionStack.length-1]].rules;
},
topState:function () {
return this.conditionStack[this.conditionStack.length-2];
},
pushState:function begin(condition) {
this.begin(condition);
}});
lexer.options = {};
lexer.performAction = function anonymous(yy,yy_,$avoiding_name_collisions,YY_START) {
function strip(start, end) {
return yy_.yytext = yy_.yytext.substr(start, yy_.yyleng-end);
}
var YYSTATE=YY_START
switch($avoiding_name_collisions) {
case 0:
if(yy_.yytext.slice(-2) === "\\\\") {
strip(0,1);
this.begin("mu");
} else if(yy_.yytext.slice(-1) === "\\") {
strip(0,1);
this.begin("emu");
} else {
this.begin("mu");
}
if(yy_.yytext) return 14;
break;
case 1:return 14;
break;
case 2:
if(yy_.yytext.slice(-1) !== "\\") this.popState();
if(yy_.yytext.slice(-1) === "\\") strip(0,1);
return 14;
break;
case 3:strip(0,4); this.popState(); return 15;
break;
case 4:return 25;
break;
case 5:return 16;
break;
case 6:return 20;
break;
case 7:return 19;
break;
case 8:return 19;
break;
case 9:return 23;
break;
case 10:return 22;
break;
case 11:this.popState(); this.begin('com');
break;
case 12:strip(3,5); this.popState(); return 15;
break;
case 13:return 22;
break;
case 14:return 39;
break;
case 15:return 38;
break;
case 16:return 38;
break;
case 17:return 42;
break;
case 18:/*ignore whitespace*/
break;
case 19:this.popState(); return 24;
break;
case 20:this.popState(); return 18;
break;
case 21:yy_.yytext = strip(1,2).replace(/\\"/g,'"'); return 32;
break;
case 22:yy_.yytext = strip(1,2).replace(/\\'/g,"'"); return 32;
break;
case 23:return 40;
break;
case 24:return 34;
break;
case 25:return 34;
break;
case 26:return 33;
break;
case 27:return 38;
break;
case 28:yy_.yytext = strip(1,2); return 38;
break;
case 29:return 'INVALID';
break;
case 30:return 5;
break;
}
};
lexer.rules = [/^(?:[^\x00]*?(?=(\{\{)))/,/^(?:[^\x00]+)/,/^(?:[^\x00]{2,}?(?=(\{\{|$)))/,/^(?:[\s\S]*?--\}\})/,/^(?:\{\{(~)?>)/,/^(?:\{\{(~)?#)/,/^(?:\{\{(~)?\/)/,/^(?:\{\{(~)?\^)/,/^(?:\{\{(~)?\s*else\b)/,/^(?:\{\{(~)?\{)/,/^(?:\{\{(~)?&)/,/^(?:\{\{!--)/,/^(?:\{\{![\s\S]*?\}\})/,/^(?:\{\{(~)?)/,/^(?:=)/,/^(?:\.\.)/,/^(?:\.(?=([=~}\s\/.])))/,/^(?:[\/.])/,/^(?:\s+)/,/^(?:\}(~)?\}\})/,/^(?:(~)?\}\})/,/^(?:"(\\["]|[^"])*")/,/^(?:'(\\[']|[^'])*')/,/^(?:@)/,/^(?:true(?=([~}\s])))/,/^(?:false(?=([~}\s])))/,/^(?:-?[0-9]+(?=([~}\s])))/,/^(?:([^\s!"#%-,\.\/;->@\[-\^`\{-~]+(?=([=~}\s\/.]))))/,/^(?:\[[^\]]*\])/,/^(?:.)/,/^(?:$)/];
lexer.conditions = {"mu":{"rules":[4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30],"inclusive":false},"emu":{"rules":[2],"inclusive":false},"com":{"rules":[3],"inclusive":false},"INITIAL":{"rules":[0,1,30],"inclusive":true}};
return lexer;})()
parser.lexer = lexer;
function Parser () { this.yy = {}; }Parser.prototype = parser;parser.Parser = Parser;
return new Parser;
})();__exports__ = handlebars;
return __exports__;
})();
// handlebars/compiler/base.js
var __module8__ = (function(__dependency1__, __dependency2__) {
"use strict";
var __exports__ = {};
var parser = __dependency1__;
var AST = __dependency2__;
__exports__.parser = parser;
function parse(input) {
// Just return if an already-compile AST was passed in.
if(input.constructor === AST.ProgramNode) { return input; }
parser.yy = AST;
return parser.parse(input);
}
__exports__.parse = parse;
return __exports__;
})(__module9__, __module7__);
// handlebars/compiler/javascript-compiler.js
var __module11__ = (function(__dependency1__) {
"use strict";
var __exports__;
var COMPILER_REVISION = __dependency1__.COMPILER_REVISION;
var REVISION_CHANGES = __dependency1__.REVISION_CHANGES;
var log = __dependency1__.log;
function Literal(value) {
this.value = value;
}
function JavaScriptCompiler() {}
JavaScriptCompiler.prototype = {
// PUBLIC API: You can override these methods in a subclass to provide
// alternative compiled forms for name lookup and buffering semantics
nameLookup: function(parent, name /* , type*/) {
var wrap,
ret;
if (parent.indexOf('depth') === 0) {
wrap = true;
}
if (/^[0-9]+$/.test(name)) {
ret = parent + "[" + name + "]";
} else if (JavaScriptCompiler.isValidJavaScriptVariableName(name)) {
ret = parent + "." + name;
}
else {
ret = parent + "['" + name + "']";
}
if (wrap) {
return '(' + parent + ' && ' + ret + ')';
} else {
return ret;
}
},
appendToBuffer: function(string) {
if (this.environment.isSimple) {
return "return " + string + ";";
} else {
return {
appendToBuffer: true,
content: string,
toString: function() { return "buffer += " + string + ";"; }
};
}
},
initializeBuffer: function() {
return this.quotedString("");
},
namespace: "Handlebars",
// END PUBLIC API
compile: function(environment, options, context, asObject) {
this.environment = environment;
this.options = options || {};
log('debug', this.environment.disassemble() + "\n\n");
this.name = this.environment.name;
this.isChild = !!context;
this.context = context || {
programs: [],
environments: [],
aliases: { }
};
this.preamble();
this.stackSlot = 0;
this.stackVars = [];
this.registers = { list: [] };
this.compileStack = [];
this.inlineStack = [];
this.compileChildren(environment, options);
var opcodes = environment.opcodes, opcode;
this.i = 0;
for(var l=opcodes.length; this.i<l; this.i++) {
opcode = opcodes[this.i];
if(opcode.opcode === 'DECLARE') {
this[opcode.name] = opcode.value;
} else {
this[opcode.opcode].apply(this, opcode.args);
}
// Reset the stripNext flag if it was not set by this operation.
if (opcode.opcode !== this.stripNext) {
this.stripNext = false;
}
}
// Flush any trailing content that might be pending.
this.pushSource('');
return this.createFunctionContext(asObject);
},
preamble: function() {
var out = [];
if (!this.isChild) {
var namespace = this.namespace;
var copies = "helpers = this.merge(helpers, " + namespace + ".helpers);";
if (this.environment.usePartial) { copies = copies + " partials = this.merge(partials, " + namespace + ".partials);"; }
if (this.options.data) { copies = copies + " data = data || {};"; }
out.push(copies);
} else {
out.push('');
}
if (!this.environment.isSimple) {
out.push(", buffer = " + this.initializeBuffer());
} else {
out.push("");
}
// track the last context pushed into place to allow skipping the
// getContext opcode when it would be a noop
this.lastContext = 0;
this.source = out;
},
createFunctionContext: function(asObject) {
var locals = this.stackVars.concat(this.registers.list);
if(locals.length > 0) {
this.source[1] = this.source[1] + ", " + locals.join(", ");
}
// Generate minimizer alias mappings
if (!this.isChild) {
for (var alias in this.context.aliases) {
if (this.context.aliases.hasOwnProperty(alias)) {
this.source[1] = this.source[1] + ', ' + alias + '=' + this.context.aliases[alias];
}
}
}
if (this.source[1]) {
this.source[1] = "var " + this.source[1].substring(2) + ";";
}
// Merge children
if (!this.isChild) {
this.source[1] += '\n' + this.context.programs.join('\n') + '\n';
}
if (!this.environment.isSimple) {
this.pushSource("return buffer;");
}
var params = this.isChild ? ["depth0", "data"] : ["Handlebars", "depth0", "helpers", "partials", "data"];
for(var i=0, l=this.environment.depths.list.length; i<l; i++) {
params.push("depth" + this.environment.depths.list[i]);
}
// Perform a second pass over the output to merge content when possible
var source = this.mergeSource();
if (!this.isChild) {
var revision = COMPILER_REVISION,
versions = REVISION_CHANGES[revision];
source = "this.compilerInfo = ["+revision+",'"+versions+"'];\n"+source;
}
if (asObject) {
params.push(source);
return Function.apply(this, params);
} else {
var functionSource = 'function ' + (this.name || '') + '(' + params.join(',') + ') {\n ' + source + '}';
log('debug', functionSource + "\n\n");
return functionSource;
}
},
mergeSource: function() {
// WARN: We are not handling the case where buffer is still populated as the source should
// not have buffer append operations as their final action.
var source = '',
buffer;
for (var i = 0, len = this.source.length; i < len; i++) {
var line = this.source[i];
if (line.appendToBuffer) {
if (buffer) {
buffer = buffer + '\n + ' + line.content;
} else {
buffer = line.content;
}
} else {
if (buffer) {
source += 'buffer += ' + buffer + ';\n ';
buffer = undefined;
}
source += line + '\n ';
}
}
return source;
},
// [blockValue]
//
// On stack, before: hash, inverse, program, value
// On stack, after: return value of blockHelperMissing
//
// The purpose of this opcode is to take a block of the form
// `{{#foo}}...{{/foo}}`, resolve the value of `foo`, and
// replace it on the stack with the result of properly
// invoking blockHelperMissing.
blockValue: function() {
this.context.aliases.blockHelperMissing = 'helpers.blockHelperMissing';
var params = ["depth0"];
this.setupParams(0, params);
this.replaceStack(function(current) {
params.splice(1, 0, current);
return "blockHelperMissing.call(" + params.join(", ") + ")";
});
},
// [ambiguousBlockValue]
//
// On stack, before: hash, inverse, program, value
// Compiler value, before: lastHelper=value of last found helper, if any
// On stack, after, if no lastHelper: same as [blockValue]
// On stack, after, if lastHelper: value
ambiguousBlockValue: function() {
this.context.aliases.blockHelperMissing = 'helpers.blockHelperMissing';
var params = ["depth0"];
this.setupParams(0, params);
var current = this.topStack();
params.splice(1, 0, current);
// Use the options value generated from the invocation
params[params.length-1] = 'options';
this.pushSource("if (!" + this.lastHelper + ") { " + current + " = blockHelperMissing.call(" + params.join(", ") + "); }");
},
// [appendContent]
//
// On stack, before: ...
// On stack, after: ...
//
// Appends the string value of `content` to the current buffer
appendContent: function(content) {
if (this.pendingContent) {
content = this.pendingContent + content;
}
if (this.stripNext) {
content = content.replace(/^\s+/, '');
}
this.pendingContent = content;
},
// [strip]
//
// On stack, before: ...
// On stack, after: ...
//
// Removes any trailing whitespace from the prior content node and flags
// the next operation for stripping if it is a content node.
strip: function() {
if (this.pendingContent) {
this.pendingContent = this.pendingContent.replace(/\s+$/, '');
}
this.stripNext = 'strip';
},
// [append]
//
// On stack, before: value, ...
// On stack, after: ...
//
// Coerces `value` to a String and appends it to the current buffer.
//
// If `value` is truthy, or 0, it is coerced into a string and appended
// Otherwise, the empty string is appended
append: function() {
// Force anything that is inlined onto the stack so we don't have duplication
// when we examine local
this.flushInline();
var local = this.popStack();
this.pushSource("if(" + local + " || " + local + " === 0) { " + this.appendToBuffer(local) + " }");
if (this.environment.isSimple) {
this.pushSource("else { " + this.appendToBuffer("''") + " }");
}
},
// [appendEscaped]
//
// On stack, before: value, ...
// On stack, after: ...
//
// Escape `value` and append it to the buffer
appendEscaped: function() {
this.context.aliases.escapeExpression = 'this.escapeExpression';
this.pushSource(this.appendToBuffer("escapeExpression(" + this.popStack() + ")"));
},
// [getContext]
//
// On stack, before: ...
// On stack, after: ...
// Compiler value, after: lastContext=depth
//
// Set the value of the `lastContext` compiler value to the depth
getContext: function(depth) {
if(this.lastContext !== depth) {
this.lastContext = depth;
}
},
// [lookupOnContext]
//
// On stack, before: ...
// On stack, after: currentContext[name], ...
//
// Looks up the value of `name` on the current context and pushes
// it onto the stack.
lookupOnContext: function(name) {
this.push(this.nameLookup('depth' + this.lastContext, name, 'context'));
},
// [pushContext]
//
// On stack, before: ...
// On stack, after: currentContext, ...
//
// Pushes the value of the current context onto the stack.
pushContext: function() {
this.pushStackLiteral('depth' + this.lastContext);
},
// [resolvePossibleLambda]
//
// On stack, before: value, ...
// On stack, after: resolved value, ...
//
// If the `value` is a lambda, replace it on the stack by
// the return value of the lambda
resolvePossibleLambda: function() {
this.context.aliases.functionType = '"function"';
this.replaceStack(function(current) {
return "typeof " + current + " === functionType ? " + current + ".apply(depth0) : " + current;
});
},
// [lookup]
//
// On stack, before: value, ...
// On stack, after: value[name], ...
//
// Replace the value on the stack with the result of looking
// up `name` on `value`
lookup: function(name) {
this.replaceStack(function(current) {
return current + " == null || " + current + " === false ? " + current + " : " + this.nameLookup(current, name, 'context');
});
},
// [lookupData]
//
// On stack, before: ...
// On stack, after: data, ...
//
// Push the data lookup operator
lookupData: function() {
this.push('data');
},
// [pushStringParam]
//
// On stack, before: ...
// On stack, after: string, currentContext, ...
//
// This opcode is designed for use in string mode, which
// provides the string value of a parameter along with its
// depth rather than resolving it immediately.
pushStringParam: function(string, type) {
this.pushStackLiteral('depth' + this.lastContext);
this.pushString(type);
if (typeof string === 'string') {
this.pushString(string);
} else {
this.pushStackLiteral(string);
}
},
emptyHash: function() {
this.pushStackLiteral('{}');
if (this.options.stringParams) {
this.register('hashTypes', '{}');
this.register('hashContexts', '{}');
}
},
pushHash: function() {
this.hash = {values: [], types: [], contexts: []};
},
popHash: function() {
var hash = this.hash;
this.hash = undefined;
if (this.options.stringParams) {
this.register('hashContexts', '{' + hash.contexts.join(',') + '}');
this.register('hashTypes', '{' + hash.types.join(',') + '}');
}
this.push('{\n ' + hash.values.join(',\n ') + '\n }');
},
// [pushString]
//
// On stack, before: ...
// On stack, after: quotedString(string), ...
//
// Push a quoted version of `string` onto the stack
pushString: function(string) {
this.pushStackLiteral(this.quotedString(string));
},
// [push]
//
// On stack, before: ...
// On stack, after: expr, ...
//
// Push an expression onto the stack
push: function(expr) {
this.inlineStack.push(expr);
return expr;
},
// [pushLiteral]
//
// On stack, before: ...
// On stack, after: value, ...
//
// Pushes a value onto the stack. This operation prevents
// the compiler from creating a temporary variable to hold
// it.
pushLiteral: function(value) {
this.pushStackLiteral(value);
},
// [pushProgram]
//
// On stack, before: ...
// On stack, after: program(guid), ...
//
// Push a program expression onto the stack. This takes
// a compile-time guid and converts it into a runtime-accessible
// expression.
pushProgram: function(guid) {
if (guid != null) {
this.pushStackLiteral(this.programExpression(guid));
} else {
this.pushStackLiteral(null);
}
},
// [invokeHelper]
//
// On stack, before: hash, inverse, program, params..., ...
// On stack, after: result of helper invocation
//
// Pops off the helper's parameters, invokes the helper,
// and pushes the helper's return value onto the stack.
//
// If the helper is not found, `helperMissing` is called.
invokeHelper: function(paramSize, name) {
this.context.aliases.helperMissing = 'helpers.helperMissing';
var helper = this.lastHelper = this.setupHelper(paramSize, name, true);
var nonHelper = this.nameLookup('depth' + this.lastContext, name, 'context');
this.push(helper.name + ' || ' + nonHelper);
this.replaceStack(function(name) {
return name + ' ? ' + name + '.call(' +
helper.callParams + ") " + ": helperMissing.call(" +
helper.helperMissingParams + ")";
});
},
// [invokeKnownHelper]
//
// On stack, before: hash, inverse, program, params..., ...
// On stack, after: result of helper invocation
//
// This operation is used when the helper is known to exist,
// so a `helperMissing` fallback is not required.
invokeKnownHelper: function(paramSize, name) {
var helper = this.setupHelper(paramSize, name);
this.push(helper.name + ".call(" + helper.callParams + ")");
},
// [invokeAmbiguous]
//
// On stack, before: hash, inverse, program, params..., ...
// On stack, after: result of disambiguation
//
// This operation is used when an expression like `{{foo}}`
// is provided, but we don't know at compile-time whether it
// is a helper or a path.
//
// This operation emits more code than the other options,
// and can be avoided by passing the `knownHelpers` and
// `knownHelpersOnly` flags at compile-time.
invokeAmbiguous: function(name, helperCall) {
this.context.aliases.functionType = '"function"';
this.pushStackLiteral('{}'); // Hash value
var helper = this.setupHelper(0, name, helperCall);
var helperName = this.lastHelper = this.nameLookup('helpers', name, 'helper');
var nonHelper = this.nameLookup('depth' + this.lastContext, name, 'context');
var nextStack = this.nextStack();
this.pushSource('if (' + nextStack + ' = ' + helperName + ') { ' + nextStack + ' = ' + nextStack + '.call(' + helper.callParams + '); }');
this.pushSource('else { ' + nextStack + ' = ' + nonHelper + '; ' + nextStack + ' = typeof ' + nextStack + ' === functionType ? ' + nextStack + '.call(' + helper.callParams + ') : ' + nextStack + '; }');
},
// [invokePartial]
//
// On stack, before: context, ...
// On stack after: result of partial invocation
//
// This operation pops off a context, invokes a partial with that context,
// and pushes the result of the invocation back.
invokePartial: function(name) {
var params = [this.nameLookup('partials', name, 'partial'), "'" + name + "'", this.popStack(), "helpers", "partials"];
if (this.options.data) {
params.push("data");
}
this.context.aliases.self = "this";
this.push("self.invokePartial(" + params.join(", ") + ")");
},
// [assignToHash]
//
// On stack, before: value, hash, ...
// On stack, after: hash, ...
//
// Pops a value and hash off the stack, assigns `hash[key] = value`
// and pushes the hash back onto the stack.
assignToHash: function(key) {
var value = this.popStack(),
context,
type;
if (this.options.stringParams) {
type = this.popStack();
context = this.popStack();
}
var hash = this.hash;
if (context) {
hash.contexts.push("'" + key + "': " + context);
}
if (type) {
hash.types.push("'" + key + "': " + type);
}
hash.values.push("'" + key + "': (" + value + ")");
},
// HELPERS
compiler: JavaScriptCompiler,
compileChildren: function(environment, options) {
var children = environment.children, child, compiler;
for(var i=0, l=children.length; i<l; i++) {
child = children[i];
compiler = new this.compiler();
var index = this.matchExistingProgram(child);
if (index == null) {
this.context.programs.push(''); // Placeholder to prevent name conflicts for nested children
index = this.context.programs.length;
child.index = index;
child.name = 'program' + index;
this.context.programs[index] = compiler.compile(child, options, this.context);
this.context.environments[index] = child;
} else {
child.index = index;
child.name = 'program' + index;
}
}
},
matchExistingProgram: function(child) {
for (var i = 0, len = this.context.environments.length; i < len; i++) {
var environment = this.context.environments[i];
if (environment && environment.equals(child)) {
return i;
}
}
},
programExpression: function(guid) {
this.context.aliases.self = "this";
if(guid == null) {
return "self.noop";
}
var child = this.environment.children[guid],
depths = child.depths.list, depth;
var programParams = [child.index, child.name, "data"];
for(var i=0, l = depths.length; i<l; i++) {
depth = depths[i];
if(depth === 1) { programParams.push("depth0"); }
else { programParams.push("depth" + (depth - 1)); }
}
return (depths.length === 0 ? "self.program(" : "self.programWithDepth(") + programParams.join(", ") + ")";
},
register: function(name, val) {
this.useRegister(name);
this.pushSource(name + " = " + val + ";");
},
useRegister: function(name) {
if(!this.registers[name]) {
this.registers[name] = true;
this.registers.list.push(name);
}
},
pushStackLiteral: function(item) {
return this.push(new Literal(item));
},
pushSource: function(source) {
if (this.pendingContent) {
this.source.push(this.appendToBuffer(this.quotedString(this.pendingContent)));
this.pendingContent = undefined;
}
if (source) {
this.source.push(source);
}
},
pushStack: function(item) {
this.flushInline();
var stack = this.incrStack();
if (item) {
this.pushSource(stack + " = " + item + ";");
}
this.compileStack.push(stack);
return stack;
},
replaceStack: function(callback) {
var prefix = '',
inline = this.isInline(),
stack;
// If we are currently inline then we want to merge the inline statement into the
// replacement statement via ','
if (inline) {
var top = this.popStack(true);
if (top instanceof Literal) {
// Literals do not need to be inlined
stack = top.value;
} else {
// Get or create the current stack name for use by the inline
var name = this.stackSlot ? this.topStackName() : this.incrStack();
prefix = '(' + this.push(name) + ' = ' + top + '),';
stack = this.topStack();
}
} else {
stack = this.topStack();
}
var item = callback.call(this, stack);
if (inline) {
if (this.inlineStack.length || this.compileStack.length) {
this.popStack();
}
this.push('(' + prefix + item + ')');
} else {
// Prevent modification of the context depth variable. Through replaceStack
if (!/^stack/.test(stack)) {
stack = this.nextStack();
}
this.pushSource(stack + " = (" + prefix + item + ");");
}
return stack;
},
nextStack: function() {
return this.pushStack();
},
incrStack: function() {
this.stackSlot++;
if(this.stackSlot > this.stackVars.length) { this.stackVars.push("stack" + this.stackSlot); }
return this.topStackName();
},
topStackName: function() {
return "stack" + this.stackSlot;
},
flushInline: function() {
var inlineStack = this.inlineStack;
if (inlineStack.length) {
this.inlineStack = [];
for (var i = 0, len = inlineStack.length; i < len; i++) {
var entry = inlineStack[i];
if (entry instanceof Literal) {
this.compileStack.push(entry);
} else {
this.pushStack(entry);
}
}
}
},
isInline: function() {
return this.inlineStack.length;
},
popStack: function(wrapped) {
var inline = this.isInline(),
item = (inline ? this.inlineStack : this.compileStack).pop();
if (!wrapped && (item instanceof Literal)) {
return item.value;
} else {
if (!inline) {
this.stackSlot--;
}
return item;
}
},
topStack: function(wrapped) {
var stack = (this.isInline() ? this.inlineStack : this.compileStack),
item = stack[stack.length - 1];
if (!wrapped && (item instanceof Literal)) {
return item.value;
} else {
return item;
}
},
quotedString: function(str) {
return '"' + str
.replace(/\\/g, '\\\\')
.replace(/"/g, '\\"')
.replace(/\n/g, '\\n')
.replace(/\r/g, '\\r')
.replace(/\u2028/g, '\\u2028') // Per Ecma-262 7.3 + 7.8.4
.replace(/\u2029/g, '\\u2029') + '"';
},
setupHelper: function(paramSize, name, missingParams) {
var params = [];
this.setupParams(paramSize, params, missingParams);
var foundHelper = this.nameLookup('helpers', name, 'helper');
return {
params: params,
name: foundHelper,
callParams: ["depth0"].concat(params).join(", "),
helperMissingParams: missingParams && ["depth0", this.quotedString(name)].concat(params).join(", ")
};
},
// the params and contexts arguments are passed in arrays
// to fill in
setupParams: function(paramSize, params, useRegister) {
var options = [], contexts = [], types = [], param, inverse, program;
options.push("hash:" + this.popStack());
inverse = this.popStack();
program = this.popStack();
// Avoid setting fn and inverse if neither are set. This allows
// helpers to do a check for `if (options.fn)`
if (program || inverse) {
if (!program) {
this.context.aliases.self = "this";
program = "self.noop";
}
if (!inverse) {
this.context.aliases.self = "this";
inverse = "self.noop";
}
options.push("inverse:" + inverse);
options.push("fn:" + program);
}
for(var i=0; i<paramSize; i++) {
param = this.popStack();
params.push(param);
if(this.options.stringParams) {
types.push(this.popStack());
contexts.push(this.popStack());
}
}
if (this.options.stringParams) {
options.push("contexts:[" + contexts.join(",") + "]");
options.push("types:[" + types.join(",") + "]");
options.push("hashContexts:hashContexts");
options.push("hashTypes:hashTypes");
}
if(this.options.data) {
options.push("data:data");
}
options = "{" + options.join(",") + "}";
if (useRegister) {
this.register('options', options);
params.push('options');
} else {
params.push(options);
}
return params.join(", ");
}
};
var reservedWords = (
"break else new var" +
" case finally return void" +
" catch for switch while" +
" continue function this with" +
" default if throw" +
" delete in try" +
" do instanceof typeof" +
" abstract enum int short" +
" boolean export interface static" +
" byte extends long super" +
" char final native synchronized" +
" class float package throws" +
" const goto private transient" +
" debugger implements protected volatile" +
" double import public let yield"
).split(" ");
var compilerWords = JavaScriptCompiler.RESERVED_WORDS = {};
for(var i=0, l=reservedWords.length; i<l; i++) {
compilerWords[reservedWords[i]] = true;
}
JavaScriptCompiler.isValidJavaScriptVariableName = function(name) {
if(!JavaScriptCompiler.RESERVED_WORDS[name] && /^[a-zA-Z_$][0-9a-zA-Z_$]+$/.test(name)) {
return true;
}
return false;
};
__exports__ = JavaScriptCompiler;
return __exports__;
})(__module2__);
// handlebars/compiler/compiler.js
var __module10__ = (function(__dependency1__, __dependency2__, __dependency3__, __dependency4__) {
"use strict";
var __exports__ = {};
var Exception = __dependency1__;
var parse = __dependency2__.parse;
var JavaScriptCompiler = __dependency3__;
var AST = __dependency4__;
function Compiler() {}
__exports__.Compiler = Compiler;// the foundHelper register will disambiguate helper lookup from finding a
// function in a context. This is necessary for mustache compatibility, which
// requires that context functions in blocks are evaluated by blockHelperMissing,
// and then proceed as if the resulting value was provided to blockHelperMissing.
Compiler.prototype = {
compiler: Compiler,
disassemble: function() {
var opcodes = this.opcodes, opcode, out = [], params, param;
for (var i=0, l=opcodes.length; i<l; i++) {
opcode = opcodes[i];
if (opcode.opcode === 'DECLARE') {
out.push("DECLARE " + opcode.name + "=" + opcode.value);
} else {
params = [];
for (var j=0; j<opcode.args.length; j++) {
param = opcode.args[j];
if (typeof param === "string") {
param = "\"" + param.replace("\n", "\\n") + "\"";
}
params.push(param);
}
out.push(opcode.opcode + " " + params.join(" "));
}
}
return out.join("\n");
},
equals: function(other) {
var len = this.opcodes.length;
if (other.opcodes.length !== len) {
return false;
}
for (var i = 0; i < len; i++) {
var opcode = this.opcodes[i],
otherOpcode = other.opcodes[i];
if (opcode.opcode !== otherOpcode.opcode || opcode.args.length !== otherOpcode.args.length) {
return false;
}
for (var j = 0; j < opcode.args.length; j++) {
if (opcode.args[j] !== otherOpcode.args[j]) {
return false;
}
}
}
len = this.children.length;
if (other.children.length !== len) {
return false;
}
for (i = 0; i < len; i++) {
if (!this.children[i].equals(other.children[i])) {
return false;
}
}
return true;
},
guid: 0,
compile: function(program, options) {
this.opcodes = [];
this.children = [];
this.depths = {list: []};
this.options = options;
// These changes will propagate to the other compiler components
var knownHelpers = this.options.knownHelpers;
this.options.knownHelpers = {
'helperMissing': true,
'blockHelperMissing': true,
'each': true,
'if': true,
'unless': true,
'with': true,
'log': true
};
if (knownHelpers) {
for (var name in knownHelpers) {
this.options.knownHelpers[name] = knownHelpers[name];
}
}
return this.accept(program);
},
accept: function(node) {
var strip = node.strip || {},
ret;
if (strip.left) {
this.opcode('strip');
}
ret = this[node.type](node);
if (strip.right) {
this.opcode('strip');
}
return ret;
},
program: function(program) {
var statements = program.statements;
for(var i=0, l=statements.length; i<l; i++) {
this.accept(statements[i]);
}
this.isSimple = l === 1;
this.depths.list = this.depths.list.sort(function(a, b) {
return a - b;
});
return this;
},
compileProgram: function(program) {
var result = new this.compiler().compile(program, this.options);
var guid = this.guid++, depth;
this.usePartial = this.usePartial || result.usePartial;
this.children[guid] = result;
for(var i=0, l=result.depths.list.length; i<l; i++) {
depth = result.depths.list[i];
if(depth < 2) { continue; }
else { this.addDepth(depth - 1); }
}
return guid;
},
block: function(block) {
var mustache = block.mustache,
program = block.program,
inverse = block.inverse;
if (program) {
program = this.compileProgram(program);
}
if (inverse) {
inverse = this.compileProgram(inverse);
}
var type = this.classifyMustache(mustache);
if (type === "helper") {
this.helperMustache(mustache, program, inverse);
} else if (type === "simple") {
this.simpleMustache(mustache);
// now that the simple mustache is resolved, we need to
// evaluate it by executing `blockHelperMissing`
this.opcode('pushProgram', program);
this.opcode('pushProgram', inverse);
this.opcode('emptyHash');
this.opcode('blockValue');
} else {
this.ambiguousMustache(mustache, program, inverse);
// now that the simple mustache is resolved, we need to
// evaluate it by executing `blockHelperMissing`
this.opcode('pushProgram', program);
this.opcode('pushProgram', inverse);
this.opcode('emptyHash');
this.opcode('ambiguousBlockValue');
}
this.opcode('append');
},
hash: function(hash) {
var pairs = hash.pairs, pair, val;
this.opcode('pushHash');
for(var i=0, l=pairs.length; i<l; i++) {
pair = pairs[i];
val = pair[1];
if (this.options.stringParams) {
if(val.depth) {
this.addDepth(val.depth);
}
this.opcode('getContext', val.depth || 0);
this.opcode('pushStringParam', val.stringModeValue, val.type);
} else {
this.accept(val);
}
this.opcode('assignToHash', pair[0]);
}
this.opcode('popHash');
},
partial: function(partial) {
var partialName = partial.partialName;
this.usePartial = true;
if(partial.context) {
this.ID(partial.context);
} else {
this.opcode('push', 'depth0');
}
this.opcode('invokePartial', partialName.name);
this.opcode('append');
},
content: function(content) {
this.opcode('appendContent', content.string);
},
mustache: function(mustache) {
var options = this.options;
var type = this.classifyMustache(mustache);
if (type === "simple") {
this.simpleMustache(mustache);
} else if (type === "helper") {
this.helperMustache(mustache);
} else {
this.ambiguousMustache(mustache);
}
if(mustache.escaped && !options.noEscape) {
this.opcode('appendEscaped');
} else {
this.opcode('append');
}
},
ambiguousMustache: function(mustache, program, inverse) {
var id = mustache.id,
name = id.parts[0],
isBlock = program != null || inverse != null;
this.opcode('getContext', id.depth);
this.opcode('pushProgram', program);
this.opcode('pushProgram', inverse);
this.opcode('invokeAmbiguous', name, isBlock);
},
simpleMustache: function(mustache) {
var id = mustache.id;
if (id.type === 'DATA') {
this.DATA(id);
} else if (id.parts.length) {
this.ID(id);
} else {
// Simplified ID for `this`
this.addDepth(id.depth);
this.opcode('getContext', id.depth);
this.opcode('pushContext');
}
this.opcode('resolvePossibleLambda');
},
helperMustache: function(mustache, program, inverse) {
var params = this.setupFullMustacheParams(mustache, program, inverse),
name = mustache.id.parts[0];
if (this.options.knownHelpers[name]) {
this.opcode('invokeKnownHelper', params.length, name);
} else if (this.options.knownHelpersOnly) {
throw new Error("You specified knownHelpersOnly, but used the unknown helper " + name);
} else {
this.opcode('invokeHelper', params.length, name);
}
},
ID: function(id) {
this.addDepth(id.depth);
this.opcode('getContext', id.depth);
var name = id.parts[0];
if (!name) {
this.opcode('pushContext');
} else {
this.opcode('lookupOnContext', id.parts[0]);
}
for(var i=1, l=id.parts.length; i<l; i++) {
this.opcode('lookup', id.parts[i]);
}
},
DATA: function(data) {
this.options.data = true;
if (data.id.isScoped || data.id.depth) {
throw new Exception('Scoped data references are not supported: ' + data.original);
}
this.opcode('lookupData');
var parts = data.id.parts;
for(var i=0, l=parts.length; i<l; i++) {
this.opcode('lookup', parts[i]);
}
},
STRING: function(string) {
this.opcode('pushString', string.string);
},
INTEGER: function(integer) {
this.opcode('pushLiteral', integer.integer);
},
BOOLEAN: function(bool) {
this.opcode('pushLiteral', bool.bool);
},
comment: function() {},
// HELPERS
opcode: function(name) {
this.opcodes.push({ opcode: name, args: [].slice.call(arguments, 1) });
},
declare: function(name, value) {
this.opcodes.push({ opcode: 'DECLARE', name: name, value: value });
},
addDepth: function(depth) {
if(isNaN(depth)) { throw new Error("EWOT"); }
if(depth === 0) { return; }
if(!this.depths[depth]) {
this.depths[depth] = true;
this.depths.list.push(depth);
}
},
classifyMustache: function(mustache) {
var isHelper = mustache.isHelper;
var isEligible = mustache.eligibleHelper;
var options = this.options;
// if ambiguous, we can possibly resolve the ambiguity now
if (isEligible && !isHelper) {
var name = mustache.id.parts[0];
if (options.knownHelpers[name]) {
isHelper = true;
} else if (options.knownHelpersOnly) {
isEligible = false;
}
}
if (isHelper) { return "helper"; }
else if (isEligible) { return "ambiguous"; }
else { return "simple"; }
},
pushParams: function(params) {
var i = params.length, param;
while(i--) {
param = params[i];
if(this.options.stringParams) {
if(param.depth) {
this.addDepth(param.depth);
}
this.opcode('getContext', param.depth || 0);
this.opcode('pushStringParam', param.stringModeValue, param.type);
} else {
this[param.type](param);
}
}
},
setupMustacheParams: function(mustache) {
var params = mustache.params;
this.pushParams(params);
if(mustache.hash) {
this.hash(mustache.hash);
} else {
this.opcode('emptyHash');
}
return params;
},
// this will replace setupMustacheParams when we're done
setupFullMustacheParams: function(mustache, program, inverse) {
var params = mustache.params;
this.pushParams(params);
this.opcode('pushProgram', program);
this.opcode('pushProgram', inverse);
if(mustache.hash) {
this.hash(mustache.hash);
} else {
this.opcode('emptyHash');
}
return params;
}
};
function precompile(input, options) {
if (input == null || (typeof input !== 'string' && input.constructor !== AST.ProgramNode)) {
throw new Exception("You must pass a string or Handlebars AST to Handlebars.precompile. You passed " + input);
}
options = options || {};
if (!('data' in options)) {
options.data = true;
}
var ast = parse(input);
var environment = new Compiler().compile(ast, options);
return new JavaScriptCompiler().compile(environment, options);
}
__exports__.precompile = precompile;function compile(input, options, env) {
if (input == null || (typeof input !== 'string' && input.constructor !== AST.ProgramNode)) {
throw new Exception("You must pass a string or Handlebars AST to Handlebars.compile. You passed " + input);
}
options = options || {};
if (!('data' in options)) {
options.data = true;
}
var compiled;
function compileInput() {
var ast = parse(input);
var environment = new Compiler().compile(ast, options);
var templateSpec = new JavaScriptCompiler().compile(environment, options, undefined, true);
return env.template(templateSpec);
}
// Template is only compiled on first use and cached after that point.
return function(context, options) {
if (!compiled) {
compiled = compileInput();
}
return compiled.call(this, context, options);
};
}
__exports__.compile = compile;
return __exports__;
})(__module5__, __module8__, __module11__, __module7__);
// handlebars.js
var __module0__ = (function(__dependency1__, __dependency2__, __dependency3__, __dependency4__, __dependency5__) {
"use strict";
var __exports__;
var Handlebars = __dependency1__;
// Compiler imports
var AST = __dependency2__;
var Parser = __dependency3__.parser;
var parse = __dependency3__.parse;
var Compiler = __dependency4__.Compiler;
var compile = __dependency4__.compile;
var precompile = __dependency4__.precompile;
var JavaScriptCompiler = __dependency5__;
var _create = Handlebars.create;
var create = function() {
var hb = _create();
hb.compile = function(input, options) {
return compile(input, options, hb);
};
hb.precompile = precompile;
hb.AST = AST;
hb.Compiler = Compiler;
hb.JavaScriptCompiler = JavaScriptCompiler;
hb.Parser = Parser;
hb.parse = parse;
return hb;
};
Handlebars = create();
Handlebars.create = create;
__exports__ = Handlebars;
return __exports__;
})(__module1__, __module7__, __module8__, __module10__, __module11__);
return __module0__;
})();
drag_and_drop_v2/public/js/vendor/underscore1.6.0.js deleted 100644 → 0
// Underscore.js 1.6.0
// http://underscorejs.org
// (c) 2009-2014 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
// Underscore may be freely distributed under the MIT license.
(function() {
// Baseline setup
// --------------
// Establish the root object, `window` in the browser, or `exports` on the server.
var root = this;
// Save the previous value of the `_` variable.
var previousUnderscore = root._;
// Establish the object that gets returned to break out of a loop iteration.
var breaker = {};
// Save bytes in the minified (but not gzipped) version:
var ArrayProto = Array.prototype, ObjProto = Object.prototype, FuncProto = Function.prototype;
// Create quick reference variables for speed access to core prototypes.
var
push = ArrayProto.push,
slice = ArrayProto.slice,
concat = ArrayProto.concat,
toString = ObjProto.toString,
hasOwnProperty = ObjProto.hasOwnProperty;
// All **ECMAScript 5** native function implementations that we hope to use
// are declared here.
var
nativeForEach = ArrayProto.forEach,
nativeMap = ArrayProto.map,
nativeReduce = ArrayProto.reduce,
nativeReduceRight = ArrayProto.reduceRight,
nativeFilter = ArrayProto.filter,
nativeEvery = ArrayProto.every,
nativeSome = ArrayProto.some,
nativeIndexOf = ArrayProto.indexOf,
nativeLastIndexOf = ArrayProto.lastIndexOf,
nativeIsArray = Array.isArray,
nativeKeys = Object.keys,
nativeBind = FuncProto.bind;
// Create a safe reference to the Underscore object for use below.
var _ = function(obj) {
if (obj instanceof _) return obj;
if (!(this instanceof _)) return new _(obj);
this._wrapped = obj;
};
// Export the Underscore object for **Node.js**, with
// backwards-compatibility for the old `require()` API. If we're in
// the browser, add `_` as a global object via a string identifier,
// for Closure Compiler "advanced" mode.
if (typeof exports !== 'undefined') {
if (typeof module !== 'undefined' && module.exports) {
exports = module.exports = _;
}
exports._ = _;
} else {
root._ = _;
}
// Current version.
_.VERSION = '1.6.0';
// Collection Functions
// --------------------
// The cornerstone, an `each` implementation, aka `forEach`.
// Handles objects with the built-in `forEach`, arrays, and raw objects.
// Delegates to **ECMAScript 5**'s native `forEach` if available.
var each = _.each = _.forEach = function(obj, iterator, context) {
if (obj == null) return obj;
if (nativeForEach && obj.forEach === nativeForEach) {
obj.forEach(iterator, context);
} else if (obj.length === +obj.length) {
for (var i = 0, length = obj.length; i < length; i++) {
if (iterator.call(context, obj[i], i, obj) === breaker) return;
}
} else {
var keys = _.keys(obj);
for (var i = 0, length = keys.length; i < length; i++) {
if (iterator.call(context, obj[keys[i]], keys[i], obj) === breaker) return;
}
}
return obj;
};
// Return the results of applying the iterator to each element.
// Delegates to **ECMAScript 5**'s native `map` if available.
_.map = _.collect = function(obj, iterator, context) {
var results = [];
if (obj == null) return results;
if (nativeMap && obj.map === nativeMap) return obj.map(iterator, context);
each(obj, function(value, index, list) {
results.push(iterator.call(context, value, index, list));
});
return results;
};
var reduceError = 'Reduce of empty array with no initial value';
// **Reduce** builds up a single result from a list of values, aka `inject`,
// or `foldl`. Delegates to **ECMAScript 5**'s native `reduce` if available.
_.reduce = _.foldl = _.inject = function(obj, iterator, memo, context) {
var initial = arguments.length > 2;
if (obj == null) obj = [];
if (nativeReduce && obj.reduce === nativeReduce) {
if (context) iterator = _.bind(iterator, context);
return initial ? obj.reduce(iterator, memo) : obj.reduce(iterator);
}
each(obj, function(value, index, list) {
if (!initial) {
memo = value;
initial = true;
} else {
memo = iterator.call(context, memo, value, index, list);
}
});
if (!initial) throw new TypeError(reduceError);
return memo;
};
// The right-associative version of reduce, also known as `foldr`.
// Delegates to **ECMAScript 5**'s native `reduceRight` if available.
_.reduceRight = _.foldr = function(obj, iterator, memo, context) {
var initial = arguments.length > 2;
if (obj == null) obj = [];
if (nativeReduceRight && obj.reduceRight === nativeReduceRight) {
if (context) iterator = _.bind(iterator, context);
return initial ? obj.reduceRight(iterator, memo) : obj.reduceRight(iterator);
}
var length = obj.length;
if (length !== +length) {
var keys = _.keys(obj);
length = keys.length;
}
each(obj, function(value, index, list) {
index = keys ? keys[--length] : --length;
if (!initial) {
memo = obj[index];
initial = true;
} else {
memo = iterator.call(context, memo, obj[index], index, list);
}
});
if (!initial) throw new TypeError(reduceError);
return memo;
};
// Return the first value which passes a truth test. Aliased as `detect`.
_.find = _.detect = function(obj, predicate, context) {
var result;
any(obj, function(value, index, list) {
if (predicate.call(context, value, index, list)) {
result = value;
return true;
}
});
return result;
};
// Return all the elements that pass a truth test.
// Delegates to **ECMAScript 5**'s native `filter` if available.
// Aliased as `select`.
_.filter = _.select = function(obj, predicate, context) {
var results = [];
if (obj == null) return results;
if (nativeFilter && obj.filter === nativeFilter) return obj.filter(predicate, context);
each(obj, function(value, index, list) {
if (predicate.call(context, value, index, list)) results.push(value);
});
return results;
};
// Return all the elements for which a truth test fails.
_.reject = function(obj, predicate, context) {
return _.filter(obj, function(value, index, list) {
return !predicate.call(context, value, index, list);
}, context);
};
// Determine whether all of the elements match a truth test.
// Delegates to **ECMAScript 5**'s native `every` if available.
// Aliased as `all`.
_.every = _.all = function(obj, predicate, context) {
predicate || (predicate = _.identity);
var result = true;
if (obj == null) return result;
if (nativeEvery && obj.every === nativeEvery) return obj.every(predicate, context);
each(obj, function(value, index, list) {
if (!(result = result && predicate.call(context, value, index, list))) return breaker;
});
return !!result;
};
// Determine if at least one element in the object matches a truth test.
// Delegates to **ECMAScript 5**'s native `some` if available.
// Aliased as `any`.
var any = _.some = _.any = function(obj, predicate, context) {
predicate || (predicate = _.identity);
var result = false;
if (obj == null) return result;
if (nativeSome && obj.some === nativeSome) return obj.some(predicate, context);
each(obj, function(value, index, list) {
if (result || (result = predicate.call(context, value, index, list))) return breaker;
});
return !!result;
};
// Determine if the array or object contains a given value (using `===`).
// Aliased as `include`.
_.contains = _.include = function(obj, target) {
if (obj == null) return false;
if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
return any(obj, function(value) {
return value === target;
});
};
// Invoke a method (with arguments) on every item in a collection.
_.invoke = function(obj, method) {
var args = slice.call(arguments, 2);
var isFunc = _.isFunction(method);
return _.map(obj, function(value) {
return (isFunc ? method : value[method]).apply(value, args);
});
};
// Convenience version of a common use case of `map`: fetching a property.
_.pluck = function(obj, key) {
return _.map(obj, _.property(key));
};
// Convenience version of a common use case of `filter`: selecting only objects
// containing specific `key:value` pairs.
_.where = function(obj, attrs) {
return _.filter(obj, _.matches(attrs));
};
// Convenience version of a common use case of `find`: getting the first object
// containing specific `key:value` pairs.
_.findWhere = function(obj, attrs) {
return _.find(obj, _.matches(attrs));
};
// Return the maximum element or (element-based computation).
// Can't optimize arrays of integers longer than 65,535 elements.
// See [WebKit Bug 80797](https://bugs.webkit.org/show_bug.cgi?id=80797)
_.max = function(obj, iterator, context) {
if (!iterator && _.isArray(obj) && obj[0] === +obj[0] && obj.length < 65535) {
return Math.max.apply(Math, obj);
}
var result = -Infinity, lastComputed = -Infinity;
each(obj, function(value, index, list) {
var computed = iterator ? iterator.call(context, value, index, list) : value;
if (computed > lastComputed) {
result = value;
lastComputed = computed;
}
});
return result;
};
// Return the minimum element (or element-based computation).
_.min = function(obj, iterator, context) {
if (!iterator && _.isArray(obj) && obj[0] === +obj[0] && obj.length < 65535) {
return Math.min.apply(Math, obj);
}
var result = Infinity, lastComputed = Infinity;
each(obj, function(value, index, list) {
var computed = iterator ? iterator.call(context, value, index, list) : value;
if (computed < lastComputed) {
result = value;
lastComputed = computed;
}
});
return result;
};
// Shuffle an array, using the modern version of the
_.shuffle = function(obj) {
var rand;
var index = 0;
var shuffled = [];
each(obj, function(value) {
rand = _.random(index++);
shuffled[index - 1] = shuffled[rand];
shuffled[rand] = value;
});
return shuffled;
};
// Sample **n** random values from a collection.
// If **n** is not specified, returns a single random element.
// The internal `guard` argument allows it to work with `map`.
_.sample = function(obj, n, guard) {
if (n == null || guard) {
if (obj.length !== +obj.length) obj = _.values(obj);
return obj[_.random(obj.length - 1)];
}
return _.shuffle(obj).slice(0, Math.max(0, n));
};
// An internal function to generate lookup iterators.
var lookupIterator = function(value) {
if (value == null) return _.identity;
if (_.isFunction(value)) return value;
return _.property(value);
};
// Sort the object's values by a criterion produced by an iterator.
_.sortBy = function(obj, iterator, context) {
iterator = lookupIterator(iterator);
return _.pluck(_.map(obj, function(value, index, list) {
return {
value: value,
index: index,
criteria: iterator.call(context, value, index, list)
};
}).sort(function(left, right) {
var a = left.criteria;
var b = right.criteria;
if (a !== b) {
if (a > b || a === void 0) return 1;
if (a < b || b === void 0) return -1;
}
return left.index - right.index;
}), 'value');
};
// An internal function used for aggregate "group by" operations.
var group = function(behavior) {
return function(obj, iterator, context) {
var result = {};
iterator = lookupIterator(iterator);
each(obj, function(value, index) {
var key = iterator.call(context, value, index, obj);
behavior(result, key, value);
});
return result;
};
};
// Groups the object's values by a criterion. Pass either a string attribute
// to group by, or a function that returns the criterion.
_.groupBy = group(function(result, key, value) {
_.has(result, key) ? result[key].push(value) : result[key] = [value];
});
// Indexes the object's values by a criterion, similar to `groupBy`, but for
// when you know that your index values will be unique.
_.indexBy = group(function(result, key, value) {
result[key] = value;
});
// Counts instances of an object that group by a certain criterion. Pass
// either a string attribute to count by, or a function that returns the
// criterion.
_.countBy = group(function(result, key) {
_.has(result, key) ? result[key]++ : result[key] = 1;
});
// Use a comparator function to figure out the smallest index at which
// an object should be inserted so as to maintain order. Uses binary search.
_.sortedIndex = function(array, obj, iterator, context) {
iterator = lookupIterator(iterator);
var value = iterator.call(context, obj);
var low = 0, high = array.length;
while (low < high) {
var mid = (low + high) >>> 1;
iterator.call(context, array[mid]) < value ? low = mid + 1 : high = mid;
}
return low;
};
// Safely create a real, live array from anything iterable.
_.toArray = function(obj) {
if (!obj) return [];
if (_.isArray(obj)) return slice.call(obj);
if (obj.length === +obj.length) return _.map(obj, _.identity);
return _.values(obj);
};
// Return the number of elements in an object.
_.size = function(obj) {
if (obj == null) return 0;
return (obj.length === +obj.length) ? obj.length : _.keys(obj).length;
};
// Array Functions
// ---------------
// Get the first element of an array. Passing **n** will return the first N
// values in the array. Aliased as `head` and `take`. The **guard** check
// allows it to work with `_.map`.
_.first = _.head = _.take = function(array, n, guard) {
if (array == null) return void 0;
if ((n == null) || guard) return array[0];
if (n < 0) return [];
return slice.call(array, 0, n);
};
// Returns everything but the last entry of the array. Especially useful on
// the arguments object. Passing **n** will return all the values in
// the array, excluding the last N. The **guard** check allows it to work with
// `_.map`.
_.initial = function(array, n, guard) {
return slice.call(array, 0, array.length - ((n == null) || guard ? 1 : n));
};
// Get the last element of an array. Passing **n** will return the last N
// values in the array. The **guard** check allows it to work with `_.map`.
_.last = function(array, n, guard) {
if (array == null) return void 0;
if ((n == null) || guard) return array[array.length - 1];
return slice.call(array, Math.max(array.length - n, 0));
};
// Returns everything but the first entry of the array. Aliased as `tail` and `drop`.
// Especially useful on the arguments object. Passing an **n** will return
// the rest N values in the array. The **guard**
// check allows it to work with `_.map`.
_.rest = _.tail = _.drop = function(array, n, guard) {
return slice.call(array, (n == null) || guard ? 1 : n);
};
// Trim out all falsy values from an array.
_.compact = function(array) {
return _.filter(array, _.identity);
};
// Internal implementation of a recursive `flatten` function.
var flatten = function(input, shallow, output) {
if (shallow && _.every(input, _.isArray)) {
return concat.apply(output, input);
}
each(input, function(value) {
if (_.isArray(value) || _.isArguments(value)) {
shallow ? push.apply(output, value) : flatten(value, shallow, output);
} else {
output.push(value);
}
});
return output;
};
// Flatten out an array, either recursively (by default), or just one level.
_.flatten = function(array, shallow) {
return flatten(array, shallow, []);
};
// Return a version of the array that does not contain the specified value(s).
_.without = function(array) {
return _.difference(array, slice.call(arguments, 1));
};
// Split an array into two arrays: one whose elements all satisfy the given
// predicate, and one whose elements all do not satisfy the predicate.
_.partition = function(array, predicate) {
var pass = [], fail = [];
each(array, function(elem) {
(predicate(elem) ? pass : fail).push(elem);
});
return [pass, fail];
};
// Produce a duplicate-free version of the array. If the array has already
// been sorted, you have the option of using a faster algorithm.
// Aliased as `unique`.
_.uniq = _.unique = function(array, isSorted, iterator, context) {
if (_.isFunction(isSorted)) {
context = iterator;
iterator = isSorted;
isSorted = false;
}
var initial = iterator ? _.map(array, iterator, context) : array;
var results = [];
var seen = [];
each(initial, function(value, index) {
if (isSorted ? (!index || seen[seen.length - 1] !== value) : !_.contains(seen, value)) {
seen.push(value);
results.push(array[index]);
}
});
return results;
};
// Produce an array that contains the union: each distinct element from all of
// the passed-in arrays.
_.union = function() {
return _.uniq(_.flatten(arguments, true));
};
// Produce an array that contains every item shared between all the
// passed-in arrays.
_.intersection = function(array) {
var rest = slice.call(arguments, 1);
return _.filter(_.uniq(array), function(item) {
return _.every(rest, function(other) {
return _.contains(other, item);
});
});
};
// Take the difference between one array and a number of other arrays.
// Only the elements present in just the first array will remain.
_.difference = function(array) {
var rest = concat.apply(ArrayProto, slice.call(arguments, 1));
return _.filter(array, function(value){ return !_.contains(rest, value); });
};
// Zip together multiple lists into a single array -- elements that share
// an index go together.
_.zip = function() {
var length = _.max(_.pluck(arguments, 'length').concat(0));
var results = new Array(length);
for (var i = 0; i < length; i++) {
results[i] = _.pluck(arguments, '' + i);
}
return results;
};
// Converts lists into objects. Pass either a single array of `[key, value]`
// pairs, or two parallel arrays of the same length -- one of keys, and one of
// the corresponding values.
_.object = function(list, values) {
if (list == null) return {};
var result = {};
for (var i = 0, length = list.length; i < length; i++) {
if (values) {
result[list[i]] = values[i];
} else {
result[list[i][0]] = list[i][1];
}
}
return result;
};
// If the browser doesn't supply us with indexOf (I'm looking at you, **MSIE**),
// we need this function. Return the position of the first occurrence of an
// item in an array, or -1 if the item is not included in the array.
// Delegates to **ECMAScript 5**'s native `indexOf` if available.
// If the array is large and already in sort order, pass `true`
// for **isSorted** to use binary search.
_.indexOf = function(array, item, isSorted) {
if (array == null) return -1;
var i = 0, length = array.length;
if (isSorted) {
if (typeof isSorted == 'number') {
i = (isSorted < 0 ? Math.max(0, length + isSorted) : isSorted);
} else {
i = _.sortedIndex(array, item);
return array[i] === item ? i : -1;
}
}
if (nativeIndexOf && array.indexOf === nativeIndexOf) return array.indexOf(item, isSorted);
for (; i < length; i++) if (array[i] === item) return i;
return -1;
};
// Delegates to **ECMAScript 5**'s native `lastIndexOf` if available.
_.lastIndexOf = function(array, item, from) {
if (array == null) return -1;
var hasIndex = from != null;
if (nativeLastIndexOf && array.lastIndexOf === nativeLastIndexOf) {
return hasIndex ? array.lastIndexOf(item, from) : array.lastIndexOf(item);
}
var i = (hasIndex ? from : array.length);
while (i--) if (array[i] === item) return i;
return -1;
};
// Generate an integer Array containing an arithmetic progression. A port of
// the native Python `range()` function. See
// [the Python documentation](http://docs.python.org/library/functions.html#range).
_.range = function(start, stop, step) {
if (arguments.length <= 1) {
stop = start || 0;
start = 0;
}
step = arguments[2] || 1;
var length = Math.max(Math.ceil((stop - start) / step), 0);
var idx = 0;
var range = new Array(length);
while(idx < length) {
range[idx++] = start;
start += step;
}
return range;
};
// Function (ahem) Functions
// ------------------
// Reusable constructor function for prototype setting.
var ctor = function(){};
// Create a function bound to a given object (assigning `this`, and arguments,
// optionally). Delegates to **ECMAScript 5**'s native `Function.bind` if
// available.
_.bind = function(func, context) {
var args, bound;
if (nativeBind && func.bind === nativeBind) return nativeBind.apply(func, slice.call(arguments, 1));
if (!_.isFunction(func)) throw new TypeError;
args = slice.call(arguments, 2);
return bound = function() {
if (!(this instanceof bound)) return func.apply(context, args.concat(slice.call(arguments)));
ctor.prototype = func.prototype;
var self = new ctor;
ctor.prototype = null;
var result = func.apply(self, args.concat(slice.call(arguments)));
if (Object(result) === result) return result;
return self;
};
};
// Partially apply a function by creating a version that has had some of its
// arguments pre-filled, without changing its dynamic `this` context. _ acts
// as a placeholder, allowing any combination of arguments to be pre-filled.
_.partial = function(func) {
var boundArgs = slice.call(arguments, 1);
return function() {
var position = 0;
var args = boundArgs.slice();
for (var i = 0, length = args.length; i < length; i++) {
if (args[i] === _) args[i] = arguments[position++];
}
while (position < arguments.length) args.push(arguments[position++]);
return func.apply(this, args);
};
};
// Bind a number of an object's methods to that object. Remaining arguments
// are the method names to be bound. Useful for ensuring that all callbacks
// defined on an object belong to it.
_.bindAll = function(obj) {
var funcs = slice.call(arguments, 1);
if (funcs.length === 0) throw new Error('bindAll must be passed function names');
each(funcs, function(f) { obj[f] = _.bind(obj[f], obj); });
return obj;
};
// Memoize an expensive function by storing its results.
_.memoize = function(func, hasher) {
var memo = {};
hasher || (hasher = _.identity);
return function() {
var key = hasher.apply(this, arguments);
return _.has(memo, key) ? memo[key] : (memo[key] = func.apply(this, arguments));
};
};
// Delays a function for the given number of milliseconds, and then calls
// it with the arguments supplied.
_.delay = function(func, wait) {
var args = slice.call(arguments, 2);
return setTimeout(function(){ return func.apply(null, args); }, wait);
};
// Defers a function, scheduling it to run after the current call stack has
// cleared.
_.defer = function(func) {
return _.delay.apply(_, [func, 1].concat(slice.call(arguments, 1)));
};
// Returns a function, that, when invoked, will only be triggered at most once
// during a given window of time. Normally, the throttled function will run
// as much as it can, without ever going more than once per `wait` duration;
// but if you'd like to disable the execution on the leading edge, pass
// `{leading: false}`. To disable execution on the trailing edge, ditto.
_.throttle = function(func, wait, options) {
var context, args, result;
var timeout = null;
var previous = 0;
options || (options = {});
var later = function() {
previous = options.leading === false ? 0 : _.now();
timeout = null;
result = func.apply(context, args);
context = args = null;
};
return function() {
var now = _.now();
if (!previous && options.leading === false) previous = now;
var remaining = wait - (now - previous);
context = this;
args = arguments;
if (remaining <= 0) {
clearTimeout(timeout);
timeout = null;
previous = now;
result = func.apply(context, args);
context = args = null;
} else if (!timeout && options.trailing !== false) {
timeout = setTimeout(later, remaining);
}
return result;
};
};
// Returns a function, that, as long as it continues to be invoked, will not
// be triggered. The function will be called after it stops being called for
// N milliseconds. If `immediate` is passed, trigger the function on the
// leading edge, instead of the trailing.
_.debounce = function(func, wait, immediate) {
var timeout, args, context, timestamp, result;
var later = function() {
var last = _.now() - timestamp;
if (last < wait) {
timeout = setTimeout(later, wait - last);
} else {
timeout = null;
if (!immediate) {
result = func.apply(context, args);
context = args = null;
}
}
};
return function() {
context = this;
args = arguments;
timestamp = _.now();
var callNow = immediate && !timeout;
if (!timeout) {
timeout = setTimeout(later, wait);
}
if (callNow) {
result = func.apply(context, args);
context = args = null;
}
return result;
};
};
// Returns a function that will be executed at most one time, no matter how
// often you call it. Useful for lazy initialization.
_.once = function(func) {
var ran = false, memo;
return function() {
if (ran) return memo;
ran = true;
memo = func.apply(this, arguments);
func = null;
return memo;
};
};
// Returns the first function passed as an argument to the second,
// allowing you to adjust arguments, run code before and after, and
// conditionally execute the original function.
_.wrap = function(func, wrapper) {
return _.partial(wrapper, func);
};
// Returns a function that is the composition of a list of functions, each
// consuming the return value of the function that follows.
_.compose = function() {
var funcs = arguments;
return function() {
var args = arguments;
for (var i = funcs.length - 1; i >= 0; i--) {
args = [funcs[i].apply(this, args)];
}
return args[0];
};
};
// Returns a function that will only be executed after being called N times.
_.after = function(times, func) {
return function() {
if (--times < 1) {
return func.apply(this, arguments);
}
};
};
// Object Functions
// ----------------
// Retrieve the names of an object's properties.
// Delegates to **ECMAScript 5**'s native `Object.keys`
_.keys = function(obj) {
if (!_.isObject(obj)) return [];
if (nativeKeys) return nativeKeys(obj);
var keys = [];
for (var key in obj) if (_.has(obj, key)) keys.push(key);
return keys;
};
// Retrieve the values of an object's properties.
_.values = function(obj) {
var keys = _.keys(obj);
var length = keys.length;
var values = new Array(length);
for (var i = 0; i < length; i++) {
values[i] = obj[keys[i]];
}
return values;
};
// Convert an object into a list of `[key, value]` pairs.
_.pairs = function(obj) {
var keys = _.keys(obj);
var length = keys.length;
var pairs = new Array(length);
for (var i = 0; i < length; i++) {
pairs[i] = [keys[i], obj[keys[i]]];
}
return pairs;
};
// Invert the keys and values of an object. The values must be serializable.
_.invert = function(obj) {
var result = {};
var keys = _.keys(obj);
for (var i = 0, length = keys.length; i < length; i++) {
result[obj[keys[i]]] = keys[i];
}
return result;
};
// Return a sorted list of the function names available on the object.
// Aliased as `methods`
_.functions = _.methods = function(obj) {
var names = [];
for (var key in obj) {
if (_.isFunction(obj[key])) names.push(key);
}
return names.sort();
};
// Extend a given object with all the properties in passed-in object(s).
_.extend = function(obj) {
each(slice.call(arguments, 1), function(source) {
if (source) {
for (var prop in source) {
obj[prop] = source[prop];
}
}
});
return obj;
};
// Return a copy of the object only containing the whitelisted properties.
_.pick = function(obj) {
var copy = {};
var keys = concat.apply(ArrayProto, slice.call(arguments, 1));
each(keys, function(key) {
if (key in obj) copy[key] = obj[key];
});
return copy;
};
// Return a copy of the object without the blacklisted properties.
_.omit = function(obj) {
var copy = {};
var keys = concat.apply(ArrayProto, slice.call(arguments, 1));
for (var key in obj) {
if (!_.contains(keys, key)) copy[key] = obj[key];
}
return copy;
};
// Fill in a given object with default properties.
_.defaults = function(obj) {
each(slice.call(arguments, 1), function(source) {
if (source) {
for (var prop in source) {
if (obj[prop] === void 0) obj[prop] = source[prop];
}
}
});
return obj;
};
// Create a (shallow-cloned) duplicate of an object.
_.clone = function(obj) {
if (!_.isObject(obj)) return obj;
return _.isArray(obj) ? obj.slice() : _.extend({}, obj);
};
// Invokes interceptor with the obj, and then returns obj.
// The primary purpose of this method is to "tap into" a method chain, in
// order to perform operations on intermediate results within the chain.
_.tap = function(obj, interceptor) {
interceptor(obj);
return obj;
};
// Internal recursive comparison function for `isEqual`.
var eq = function(a, b, aStack, bStack) {
// Identical objects are equal. `0 === -0`, but they aren't identical.
// See the [Harmony `egal` proposal](http://wiki.ecmascript.org/doku.php?id=harmony:egal).
if (a === b) return a !== 0 || 1 / a == 1 / b;
// A strict comparison is necessary because `null == undefined`.
if (a == null || b == null) return a === b;
// Unwrap any wrapped objects.
if (a instanceof _) a = a._wrapped;
if (b instanceof _) b = b._wrapped;
// Compare `[[Class]]` names.
var className = toString.call(a);
if (className != toString.call(b)) return false;
switch (className) {
// Strings, numbers, dates, and booleans are compared by value.
case '[object String]':
// Primitives and their corresponding object wrappers are equivalent; thus, `"5"` is
// equivalent to `new String("5")`.
return a == String(b);
case '[object Number]':
// `NaN`s are equivalent, but non-reflexive. An `egal` comparison is performed for
// other numeric values.
return a != +a ? b != +b : (a == 0 ? 1 / a == 1 / b : a == +b);
case '[object Date]':
case '[object Boolean]':
// Coerce dates and booleans to numeric primitive values. Dates are compared by their
// millisecond representations. Note that invalid dates with millisecond representations
// of `NaN` are not equivalent.
return +a == +b;
// RegExps are compared by their source patterns and flags.
case '[object RegExp]':
return a.source == b.source &&
a.global == b.global &&
a.multiline == b.multiline &&
a.ignoreCase == b.ignoreCase;
}
if (typeof a != 'object' || typeof b != 'object') return false;
// Assume equality for cyclic structures. The algorithm for detecting cyclic
// structures is adapted from ES 5.1 section 15.12.3, abstract operation `JO`.
var length = aStack.length;
while (length--) {
// Linear search. Performance is inversely proportional to the number of
// unique nested structures.
if (aStack[length] == a) return bStack[length] == b;
}
// Objects with different constructors are not equivalent, but `Object`s
// from different frames are.
var aCtor = a.constructor, bCtor = b.constructor;
if (aCtor !== bCtor && !(_.isFunction(aCtor) && (aCtor instanceof aCtor) &&
_.isFunction(bCtor) && (bCtor instanceof bCtor))
&& ('constructor' in a && 'constructor' in b)) {
return false;
}
// Add the first object to the stack of traversed objects.
aStack.push(a);
bStack.push(b);
var size = 0, result = true;
// Recursively compare objects and arrays.
if (className == '[object Array]') {
// Compare array lengths to determine if a deep comparison is necessary.
size = a.length;
result = size == b.length;
if (result) {
// Deep compare the contents, ignoring non-numeric properties.
while (size--) {
if (!(result = eq(a[size], b[size], aStack, bStack))) break;
}
}
} else {
// Deep compare objects.
for (var key in a) {
if (_.has(a, key)) {
// Count the expected number of properties.
size++;
// Deep compare each member.
if (!(result = _.has(b, key) && eq(a[key], b[key], aStack, bStack))) break;
}
}
// Ensure that both objects contain the same number of properties.
if (result) {
for (key in b) {
if (_.has(b, key) && !(size--)) break;
}
result = !size;
}
}
// Remove the first object from the stack of traversed objects.
aStack.pop();
bStack.pop();
return result;
};
// Perform a deep comparison to check if two objects are equal.
_.isEqual = function(a, b) {
return eq(a, b, [], []);
};
// Is a given array, string, or object empty?
// An "empty" object has no enumerable own-properties.
_.isEmpty = function(obj) {
if (obj == null) return true;
if (_.isArray(obj) || _.isString(obj)) return obj.length === 0;
for (var key in obj) if (_.has(obj, key)) return false;
return true;
};
// Is a given value a DOM element?
_.isElement = function(obj) {
return !!(obj && obj.nodeType === 1);
};
// Is a given value an array?
// Delegates to ECMA5's native Array.isArray
_.isArray = nativeIsArray || function(obj) {
return toString.call(obj) == '[object Array]';
};
// Is a given variable an object?
_.isObject = function(obj) {
return obj === Object(obj);
};
// Add some isType methods: isArguments, isFunction, isString, isNumber, isDate, isRegExp.
each(['Arguments', 'Function', 'String', 'Number', 'Date', 'RegExp'], function(name) {
_['is' + name] = function(obj) {
return toString.call(obj) == '[object ' + name + ']';
};
});
// Define a fallback version of the method in browsers (ahem, IE), where
// there isn't any inspectable "Arguments" type.
if (!_.isArguments(arguments)) {
_.isArguments = function(obj) {
return !!(obj && _.has(obj, 'callee'));
};
}
// Optimize `isFunction` if appropriate.
if (typeof (/./) !== 'function') {
_.isFunction = function(obj) {
return typeof obj === 'function';
};
}
// Is a given object a finite number?
_.isFinite = function(obj) {
return isFinite(obj) && !isNaN(parseFloat(obj));
};
// Is the given value `NaN`? (NaN is the only number which does not equal itself).
_.isNaN = function(obj) {
return _.isNumber(obj) && obj != +obj;
};
// Is a given value a boolean?
_.isBoolean = function(obj) {
return obj === true || obj === false || toString.call(obj) == '[object Boolean]';
};
// Is a given value equal to null?
_.isNull = function(obj) {
return obj === null;
};
// Is a given variable undefined?
_.isUndefined = function(obj) {
return obj === void 0;
};
// Shortcut function for checking if an object has a given property directly
// on itself (in other words, not on a prototype).
_.has = function(obj, key) {
return hasOwnProperty.call(obj, key);
};
// Utility Functions
// -----------------
// Run Underscore.js in *noConflict* mode, returning the `_` variable to its
// previous owner. Returns a reference to the Underscore object.
_.noConflict = function() {
root._ = previousUnderscore;
return this;
};
// Keep the identity function around for default iterators.
_.identity = function(value) {
return value;
};
_.constant = function(value) {
return function () {
return value;
};
};
_.property = function(key) {
return function(obj) {
return obj[key];
};
};
// Returns a predicate for checking whether an object has a given set of `key:value` pairs.
_.matches = function(attrs) {
return function(obj) {
if (obj === attrs) return true; //avoid comparing an object to itself.
for (var key in attrs) {
if (attrs[key] !== obj[key])
return false;
}
return true;
}
};
// Run a function **n** times.
_.times = function(n, iterator, context) {
var accum = Array(Math.max(0, n));
for (var i = 0; i < n; i++) accum[i] = iterator.call(context, i);
return accum;
};
// Return a random integer between min and max (inclusive).
_.random = function(min, max) {
if (max == null) {
max = min;
min = 0;
}
return min + Math.floor(Math.random() * (max - min + 1));
};
// A (possibly faster) way to get the current timestamp as an integer.
_.now = Date.now || function() { return new Date().getTime(); };
// List of HTML entities for escaping.
var entityMap = {
escape: {
'&': '&amp;',
'<': '&lt;',
'>': '&gt;',
'"': '&quot;',
"'": '&#x27;'
}
};
entityMap.unescape = _.invert(entityMap.escape);
// Regexes containing the keys and values listed immediately above.
var entityRegexes = {
escape: new RegExp('[' + _.keys(entityMap.escape).join('') + ']', 'g'),
unescape: new RegExp('(' + _.keys(entityMap.unescape).join('|') + ')', 'g')
};
// Functions for escaping and unescaping strings to/from HTML interpolation.
_.each(['escape', 'unescape'], function(method) {
_[method] = function(string) {
if (string == null) return '';
return ('' + string).replace(entityRegexes[method], function(match) {
return entityMap[method][match];
});
};
});
// If the value of the named `property` is a function then invoke it with the
// `object` as context; otherwise, return it.
_.result = function(object, property) {
if (object == null) return void 0;
var value = object[property];
return _.isFunction(value) ? value.call(object) : value;
};
// Add your own custom functions to the Underscore object.
_.mixin = function(obj) {
each(_.functions(obj), function(name) {
var func = _[name] = obj[name];
_.prototype[name] = function() {
var args = [this._wrapped];
push.apply(args, arguments);
return result.call(this, func.apply(_, args));
};
});
};
// Generate a unique integer id (unique within the entire client session).
// Useful for temporary DOM ids.
var idCounter = 0;
_.uniqueId = function(prefix) {
var id = ++idCounter + '';
return prefix ? prefix + id : id;
};
// By default, Underscore uses ERB-style template delimiters, change the
// following template settings to use alternative delimiters.
_.templateSettings = {
evaluate : /<%([\s\S]+?)%>/g,
interpolate : /<%=([\s\S]+?)%>/g,
escape : /<%-([\s\S]+?)%>/g
};
// When customizing `templateSettings`, if you don't want to define an
// interpolation, evaluation or escaping regex, we need one that is
// guaranteed not to match.
var noMatch = /(.)^/;
// Certain characters need to be escaped so that they can be put into a
// string literal.
var escapes = {
"'": "'",
'\\': '\\',
'\r': 'r',
'\n': 'n',
'\t': 't',
'\u2028': 'u2028',
'\u2029': 'u2029'
};
var escaper = /\\|'|\r|\n|\t|\u2028|\u2029/g;
// JavaScript micro-templating, similar to John Resig's implementation.
// Underscore templating handles arbitrary delimiters, preserves whitespace,
// and correctly escapes quotes within interpolated code.
_.template = function(text, data, settings) {
var render;
settings = _.defaults({}, settings, _.templateSettings);
// Combine delimiters into one regular expression via alternation.
var matcher = new RegExp([
(settings.escape || noMatch).source,
(settings.interpolate || noMatch).source,
(settings.evaluate || noMatch).source
].join('|') + '|$', 'g');
// Compile the template source, escaping string literals appropriately.
var index = 0;
var source = "__p+='";
text.replace(matcher, function(match, escape, interpolate, evaluate, offset) {
source += text.slice(index, offset)
.replace(escaper, function(match) { return '\\' + escapes[match]; });
if (escape) {
source += "'+\n((__t=(" + escape + "))==null?'':_.escape(__t))+\n'";
}
if (interpolate) {
source += "'+\n((__t=(" + interpolate + "))==null?'':__t)+\n'";
}
if (evaluate) {
source += "';\n" + evaluate + "\n__p+='";
}
index = offset + match.length;
return match;
});
source += "';\n";
// If a variable is not specified, place data values in local scope.
if (!settings.variable) source = 'with(obj||{}){\n' + source + '}\n';
source = "var __t,__p='',__j=Array.prototype.join," +
"print=function(){__p+=__j.call(arguments,'');};\n" +
source + "return __p;\n";
try {
render = new Function(settings.variable || 'obj', '_', source);
} catch (e) {
e.source = source;
throw e;
}
if (data) return render(data, _);
var template = function(data) {
return render.call(this, data, _);
};
// Provide the compiled function source as a convenience for precompilation.
template.source = 'function(' + (settings.variable || 'obj') + '){\n' + source + '}';
return template;
};
// Add a "chain" function, which will delegate to the wrapper.
_.chain = function(obj) {
return _(obj).chain();
};
// OOP
// ---------------
// If Underscore is called as a function, it returns a wrapped object that
// can be used OO-style. This wrapper holds altered versions of all the
// underscore functions. Wrapped objects may be chained.
// Helper function to continue chaining intermediate results.
var result = function(obj) {
return this._chain ? _(obj).chain() : obj;
};
// Add all of the Underscore functions to the wrapper object.
_.mixin(_);
// Add all mutator Array functions to the wrapper.
each(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(name) {
var method = ArrayProto[name];
_.prototype[name] = function() {
var obj = this._wrapped;
method.apply(obj, arguments);
if ((name == 'shift' || name == 'splice') && obj.length === 0) delete obj[0];
return result.call(this, obj);
};
});
// Add all accessor Array functions to the wrapper.
each(['concat', 'join', 'slice'], function(name) {
var method = ArrayProto[name];
_.prototype[name] = function() {
return result.call(this, method.apply(this._wrapped, arguments));
};
});
_.extend(_.prototype, {
// Start chaining a wrapped Underscore object.
chain: function() {
this._chain = true;
return this;
},
// Extracts the result from a wrapped and chained object.
value: function() {
return this._wrapped;
}
});
// AMD registration happens at the end for compatibility with AMD loaders
// that may not enforce next-turn semantics on modules. Even though general
// practice for AMD registration is to be anonymous, underscore registers
// as a named module because, like jQuery, it is a base library that is
// popular enough to be bundled in a third party lib, but not be part of
// an AMD load request. Those cases could generate an error when an
// anonymous define() is called outside of a loader request.
if (typeof define === 'function' && define.amd) {
define('underscore', [], function() {
return _;
});
}
}).call(this);
drag_and_drop_v2/templates/html/drag_and_drop.html
<section class="xblock--drag-and-drop"> <section class="xblock--drag-and-drop">
{{ js_templates|safe }}
<h2 class="problem-header"> <h2 class="problem-header">
{{ title }} {{ title }}
</h2> </h2>
......
drag_and_drop_v2/templates/html/drag_and_drop_edit.html
{% load i18n %} {% load i18n %}
<div class="xblock--drag-and-drop editor-with-buttons"> <div class="xblock--drag-and-drop editor-with-buttons">
{{ js_templates|safe }}
<section class="drag-builder"> <section class="drag-builder">
<div class="tab feedback-tab"> <div class="tab feedback-tab">
......
drag_and_drop_v2/templates/html/js_templates.html 0 → 100644
<script id="item-tpl" type="text/html">
<li class="option" data-value="{{ id }}"
style="width: {{ size.width }}; height: {{ size.height }}">
{{ displayName }}
</li>
</script>
<script id="image-item-tpl" type="text/html">
<li class="option" data-value="{{ id }}"
style="width: {{ size.width }}; height: {{ size.height }}">
<img src="{{ backgroundImage }}" />
</li>
</script>
<script id="zone-element-tpl" type="text/html">
<div id="{{ id }}" class="zone" data-zone="{{ title }}" style="
top:{{ y }}px;
left:{{ x }}px;
width:{{ width }}px;
height:{{ height }}px;">
<p>{{ title }}</p>
</div>
</script>
<script id="zone-input-tpl" type="text/html">
<div class="zone-row {{ name }}">
<label>Text</label>
<input type="text" class="title" placeholder="{{ title }}" />
<a href="#" class="remove-zone hidden">
<div class="icon remove"></div>
</a>
<div class="layout">
<label>width</label>
<input type="text" class="size width" value="200" />
<label>height</label>
<input type="text" class="size height" value="100" />
<br />
<label>x</label>
<input type="text" class="coord x" value="0" />
<label>y</label>
<input type="text" class="coord y" value="0" />
</div>
</div>
</script>
<script id="zone-dropdown-tpl" type="text/html">
<option value="{{ value }}">{{ value }}</option>
</script>
<script id="item-input-tpl" type="text/html">
<div class="item">
<div class="row">
<label>Text</label>
<input type="text" class="item-text"></input>
<label>Zone</label>
<select class="zone-select">{{ dropdown }}</select>
<a href="#" class="remove-item hidden">
<div class="icon remove"></div>
</a>
</div>
<div class="row">
<label>Background image URL (alternative to the text)</label>
<textarea class="background-image"></textarea>
</div>
<div class="row">
<label>Success Feedback</label>
<textarea class="success-feedback"></textarea>
</div>
<div class="row">
<label>Error Feedback</label>
<textarea class="error-feedback"></textarea>
</div>
<div class="row">
<label>Width (px - 0 for auto)</label>
<input type="text" class="item-width" value="190"></input>
<label>Height (px - 0 for auto)</label>
<input type="text" class="item-height" value="0"></input>
</div>
</div>
</script>
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