Add the standard template helpers

src/handlebars.plugin.coffee

@@ -15,19 +15,26 @@ module.exports = (BasePlugin) ->
 			super
 			docpad = @docpad
 			config = @config
-			handlebars = @handlebars = require('handlebars')
+			@handlebars = require('handlebars')
 
 			@precompileOpts = @config.precompileOpts || {}
 
+		# Generate Before
+		generateBefore: ->
+			# Add the template helper as a Handlebars helper
+			for own key,value of @docpad.getTemplateData()
+				if Object::toString.call(value) is '[object Function]'
+					@handlebars.registerHelper(key, value)
+
 			# Add helpers, if defined in docpad.cson
 			if @config.helpers
 				for own name,helper of @config.helpers
-					handlebars.registerHelper(name, helper)
+					@handlebars.registerHelper(name, helper)
 
 			# Add partials, if defined in docpad.cson
 			if @config.partials
 					for own name,partial of @config.partials
-						handlebars.registerPartial(name, partial)
+						@handlebars.registerPartial(name, partial)
 
 		# Render some content
 		render: (opts) ->
@@ -48,7 +55,7 @@ module.exports = (BasePlugin) ->
 			argv.amdPath ?= ""
 
 			pre = post = "";
-			
+
 			# slug for {src}/tpl/a/abc/test.js.handlebars is "tpl-a-abc-test"
 			templateName = opts.file.attributes.slug;
 			if (argv.wrapper is "amd")

test/docpad.cson

@@ -7,4 +7,7 @@
 			partials:
 				partial1: '<h1>{{document.example}}</h1>'
 				partial2: '<a href="#">Scroll up</a>'
-}
+
+	# Increase the render passes so that the include helper works.
+	renderPasses: 2
+}

test/out-expected/standard-template-helpers.html

@@ -0,0 +1,29 @@
+<h1>Standard Template Helpers</h1>
+
+<h2>include "handlebars-helper.html.hbs"</h2>
+
+<h1>Testing Helpers</h1>
+
+
+<h2>getEnvironment</h2>
+
+development
+
+
+<h2>getEnvironments</h2>
+
+
+	development
+
+
+
+<h2>getBlock blockname</h2>
+
+[object Object]
+[object Object]
+[object Object]
+
+
+<h2>getPath "handlebars-helper.html" "test"</h2>
+
+test/handlebars-helper.html

test/src/documents/standard-template-helpers.html.hbs

@@ -0,0 +1,29 @@
+<h1>Standard Template Helpers</h1>
+
+<h2>include "handlebars-helper.html.hbs"</h2>
+
+{{{include "handlebars-helper.html.hbs"}}}
+
+
+<h2>getEnvironment</h2>
+
+{{getEnvironment}}
+
+
+<h2>getEnvironments</h2>
+
+{{#each getEnvironments}}
+	{{this}}
+{{/each}}
+
+
+<h2>getBlock blockname</h2>
+
+{{{getBlock "scripts"}}}
+{{{getBlock "styles"}}}
+{{{getBlock "meta"}}}
+
+
+<h2>getPath "handlebars-helper.html" "test"</h2>
+
+{{getPath "handlebars-helper.html" "test"}}