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https://github.com/discourse/discourse.git
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7e74dd0afe
Previously we were relying on a highly-customized version of the unmaintained Barber gem for theme template compilation. This commit switches us to use our own DiscourseJsProcessor, which makes use of more modern patterns and will be easier to maintain going forward. In summary: - Refactors DiscourseJsProcessor to move multiline JS heredocs into a companion `discourse-js-processor.js` file - Use MiniRacer's `.call` method to avoid manually escaping JS strings - Move Theme template AST transformers into DiscourseJsProcessor, and formalise interface for extending RawHandlebars AST transformations - Update Ember template compilation to use a babel-based approach, just like Ember CLI. This gives each template its own ES6 module rather than directly assigning `Ember.TEMPLATES` values - Improve testing of template compilation (and move some tests from `theme_javascript_compiler_spec.rb` to `discourse_js_processor_spec.rb`
76 lines
3.5 KiB
Ruby
76 lines
3.5 KiB
Ruby
# frozen_string_literal: true
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RSpec.describe ThemeJavascriptCompiler do
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let(:compiler) { ThemeJavascriptCompiler.new(1, 'marks') }
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let(:theme_id) { 22 }
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describe "#append_raw_template" do
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it 'uses the correct template paths' do
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template = "<h1>hello</h1>"
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name = "/path/to/templates1"
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compiler.append_raw_template("#{name}.raw", template)
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expect(compiler.content.to_s).to include("addRawTemplate(\"#{name}\"")
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name = "/path/to/templates2"
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compiler.append_raw_template("#{name}.hbr", template)
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expect(compiler.content.to_s).to include("addRawTemplate(\"#{name}\"")
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name = "/path/to/templates3"
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compiler.append_raw_template("#{name}.hbs", template)
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expect(compiler.content.to_s).to include("addRawTemplate(\"#{name}.hbs\"")
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end
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end
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describe "#append_ember_template" do
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it 'maintains module names so that discourse-boot.js can correct them' do
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compiler.append_ember_template("/connectors/blah-1", "{{var}}")
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expect(compiler.content.to_s).to include("define(\"discourse/theme-1/connectors/blah-1\", [\"exports\", \"@ember/template-factory\"]")
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compiler.append_ember_template("connectors/blah-2", "{{var}}")
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expect(compiler.content.to_s).to include("define(\"discourse/theme-1/connectors/blah-2\", [\"exports\", \"@ember/template-factory\"]")
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compiler.append_ember_template("javascripts/connectors/blah-3", "{{var}}")
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expect(compiler.content.to_s).to include("define(\"discourse/theme-1/javascripts/connectors/blah-3\", [\"exports\", \"@ember/template-factory\"]")
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end
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end
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describe "connector module name handling" do
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it 'separates colocated connectors to avoid module name clash' do
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# Colocated under `/connectors`
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compiler = ThemeJavascriptCompiler.new(1, 'marks')
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compiler.append_ember_template("connectors/outlet/blah-1", "{{var}}")
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compiler.append_module("console.log('test')", "connectors/outlet/blah-1")
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expect(compiler.content.to_s).to include("discourse/theme-1/connectors/outlet/blah-1")
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expect(compiler.content.to_s).to include("discourse/theme-1/templates/connectors/outlet/blah-1")
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# Colocated under `/templates/connectors`
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compiler = ThemeJavascriptCompiler.new(1, 'marks')
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compiler.append_ember_template("templates/connectors/outlet/blah-1", "{{var}}")
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compiler.append_module("console.log('test')", "templates/connectors/outlet/blah-1")
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expect(compiler.content.to_s).to include("discourse/theme-1/connectors/outlet/blah-1")
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expect(compiler.content.to_s).to include("discourse/theme-1/templates/connectors/outlet/blah-1")
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# Not colocated
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compiler = ThemeJavascriptCompiler.new(1, 'marks')
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compiler.append_ember_template("templates/connectors/outlet/blah-1", "{{var}}")
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compiler.append_module("console.log('test')", "connectors/outlet/blah-1")
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expect(compiler.content.to_s).to include("discourse/theme-1/connectors/outlet/blah-1")
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expect(compiler.content.to_s).to include("discourse/theme-1/templates/connectors/outlet/blah-1")
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end
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end
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describe "error handling" do
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it "handles syntax errors in raw templates" do
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expect do
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compiler.append_raw_template("sometemplate.hbr", "{{invalidtemplate")
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end.to raise_error(ThemeJavascriptCompiler::CompileError, /Parse error on line 1/)
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end
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it "handles syntax errors in ember templates" do
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expect do
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compiler.append_ember_template("sometemplate", "{{invalidtemplate")
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end.to raise_error(ThemeJavascriptCompiler::CompileError, /Parse error on line 1/)
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end
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end
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end
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