142 lines
4.0 KiB
Ruby
142 lines
4.0 KiB
Ruby
# frozen_string_literal: true
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# barber patches to re-route raw compilation via ember compat handlebars
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class Barber::Precompiler
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def sources
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[File.open("#{Rails.root}/app/assets/javascripts/node_modules/handlebars/dist/handlebars.js"),
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precompiler]
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end
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def precompiler
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if !@precompiler
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loader = File.read("#{Rails.root}/app/assets/javascripts/mini-loader.js")
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source = File.read("#{Rails.root}/app/assets/javascripts/discourse-common/addon/lib/raw-handlebars.js")
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transpiled = DiscourseJsProcessor.transpile(source, "#{Rails.root}/app/assets/javascripts/", "discourse-common/lib/raw-handlebars")
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@precompiler = StringIO.new <<~JS
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let __RawHandlebars;
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(function(){
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#{loader}
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define("handlebars", ["exports"], function(exports){ exports.default = Handlebars; })
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#{transpiled}
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__RawHandlebars = require("discourse-common/lib/raw-handlebars").default;
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})()
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Barber = {
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precompile: function(string) {
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return __RawHandlebars.precompile(string, false).toString();
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}
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};
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JS
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end
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@precompiler
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end
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end
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module Discourse
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module Ember
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module Handlebars
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module Helper
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def precompile_handlebars(string, input = nil)
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"requirejs('discourse-common/lib/raw-handlebars').template(#{Barber::Precompiler.compile(string)});"
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end
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def compile_handlebars(string, input = nil)
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"requirejs('discourse-common/lib/raw-handlebars').compile(#{indent(string).inspect});"
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end
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end
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end
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end
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end
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class Ember::Handlebars::Template
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prepend Discourse::Ember::Handlebars::Helper
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def path_for(module_name, config)
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# We need this for backward-compatibility reasons.
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# Plugins may not have an app subdirectory.
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template_path(module_name, config).inspect.gsub('discourse/templates/', '')
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end
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def global_template_target(namespace, module_name, config)
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"#{namespace}[#{path_for(module_name, config)}]"
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end
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def call(input)
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data = input[:data]
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filename = input[:filename]
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raw = handlebars?(filename)
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if raw
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template = data
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else
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template = mustache_to_handlebars(filename, data)
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end
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template_name = input[:name]
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module_name =
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case config.output_type
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when :amd
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amd_template_target(config.amd_namespace, template_name)
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when :global
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template_path(template_name, config)
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else
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raise "Unsupported `output_type`: #{config.output_type}"
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end
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meta = meta_supported? ? { moduleName: module_name } : false
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if config.precompile
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if raw
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template = precompile_handlebars(template, input)
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else
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template = precompile_ember_handlebars(template, config.ember_template, input, meta)
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end
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else
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if raw
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template = compile_handlebars(data)
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else
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template = compile_ember_handlebars(template, config.ember_template, meta)
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end
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end
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case config.output_type
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when :amd
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"define('#{module_name}', ['exports'], function(__exports__){ __exports__['default'] = #{template} });"
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when :global
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if raw
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return <<~JS
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var __t = #{template};
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requirejs('discourse-common/lib/raw-templates').addRawTemplate(#{path_for(template_name, config)}, __t);
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JS
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end
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target = global_template_target('Ember.TEMPLATES', template_name, config)
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"#{target} = #{template}\n"
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else
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raise "Unsupported `output_type`: #{config.output_type}"
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end
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end
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# FIXME: Previously, ember-handlebars-templates uses the logical path which incorrectly
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# returned paths with the `.raw` extension and our code is depending on the `.raw`
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# to find the right template to use.
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def actual_name(input)
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actual_name = input[:name]
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input[:filename].include?('.raw') ? "#{actual_name}.raw" : actual_name
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end
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private
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def handlebars?(filename)
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filename.to_s =~ /\.raw\.(handlebars|hjs|hbs)/ || filename.to_s.ends_with?(".hbr") || filename.to_s.ends_with?(".hbr.erb")
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end
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end
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