class Mutton::HandlebarsTemplateConverter
convert hbs files into javascript for the asset pipeline
Public Class Methods
default_mime_type()
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# File lib/mutton/handlebars_template_converter.rb, line 7 def self.default_mime_type 'application/javascript' end
Public Instance Methods
evaluate(scope, _locals, &_block)
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called by sprockets when compiling
# File lib/mutton/handlebars_template_converter.rb, line 20 def evaluate(scope, _locals, &_block) timing = {} ActiveSupport::Notifications.instrument 'evaluate_asset.Mutton', timing do start_time = Time.zone.now # clients require precompiled templates for optimization precompiled_template = HandlebarsCompiler.pre_compile(data) end_precompile_time = Time.zone.now start_write_source = Time.zone.now source = write_source(precompiled_template, scope.logical_path, Mutton.template_namespace) end_time = Time.zone.now precompile_time = ((end_precompile_time - start_time) * 1000).round(0) source_time = ((end_time - start_write_source) * 1000).round(0) timing[:precompile_time] = precompile_time timing[:source_time] = source_time source end end
initialize_engine()
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no changes implemented
# File lib/mutton/handlebars_template_converter.rb, line 12 def initialize_engine end
prepare()
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no changes implemented
# File lib/mutton/handlebars_template_converter.rb, line 16 def prepare end
write_source(code, path, namespace)
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# File lib/mutton/handlebars_template_converter.rb, line 38 def write_source(code, path, namespace) # drop the first bit of path to get rid of root directory paths = path.split('/') paths.delete_at(0) virtual_path = paths.join('/') write_template(namespace, virtual_path, code) end
write_template(namespace, virtual_path, source)
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# File lib/mutton/handlebars_template_converter.rb, line 46 def write_template(namespace, virtual_path, source) javascript_code = <<CODE (function() { var template = Handlebars.template, templates = this.#{namespace} = this.#{namespace} || {}; templates['#{virtual_path}'] = template( #{source} ); Handlebars.partials = this.#{namespace}; })(this); //best with a large serving of mutton CODE javascript_code end