discourse/spec/lib/theme_javascript_compiler_s...

274 lines
10 KiB
Ruby

# frozen_string_literal: true
RSpec.describe ThemeJavascriptCompiler do
let(:compiler) { ThemeJavascriptCompiler.new(1, "marks") }
describe "#append_raw_template" do
it "uses the correct template paths" do
template = "<h1>hello</h1>"
name = "/path/to/templates1"
compiler.append_raw_template("#{name}.raw", template)
expect(compiler.raw_content.to_s).to include("addRawTemplate)(\"#{name}\"")
name = "/path/to/templates2"
compiler.append_raw_template("#{name}.hbr", template)
expect(compiler.raw_content.to_s).to include("addRawTemplate)(\"#{name}\"")
name = "/path/to/templates3"
compiler.append_raw_template("#{name}.hbs", template)
expect(compiler.raw_content.to_s).to include("addRawTemplate)(\"#{name}.hbs\"")
end
end
describe "#append_ember_template" do
it "maintains module names so that discourse-boot.js can correct them" do
compiler.append_ember_template("/connectors/blah-1", "{{var}}")
expect(compiler.raw_content.to_s).to include(
"define(\"discourse/theme-1/connectors/blah-1\", [\"exports\", ",
)
compiler.append_ember_template("connectors/blah-2", "{{var}}")
expect(compiler.raw_content.to_s).to include(
"define(\"discourse/theme-1/connectors/blah-2\", [\"exports\", ",
)
compiler.append_ember_template("javascripts/connectors/blah-3", "{{var}}")
expect(compiler.raw_content.to_s).to include(
"define(\"discourse/theme-1/javascripts/connectors/blah-3\", [\"exports\", ",
)
end
end
describe "connector module name handling" do
it "separates colocated connectors to avoid module name clash" do
# Colocated under `/connectors`
compiler = ThemeJavascriptCompiler.new(1, "marks")
compiler.append_tree(
{
"connectors/outlet/blah-1.hbs" => "{{var}}",
"connectors/outlet/blah-1.js" => "console.log('test')",
},
)
expect(compiler.raw_content.to_s).to include("discourse/theme-1/connectors/outlet/blah-1")
expect(compiler.raw_content.to_s).to include(
"discourse/theme-1/templates/connectors/outlet/blah-1",
)
expect(JSON.parse(compiler.source_map)["sources"]).to contain_exactly(
"connectors/outlet/blah-1.js",
"templates/connectors/outlet/blah-1.js",
)
# Colocated under `/templates/connectors`
compiler = ThemeJavascriptCompiler.new(1, "marks")
compiler.append_tree(
{
"templates/connectors/outlet/blah-1.hbs" => "{{var}}",
"templates/connectors/outlet/blah-1.js" => "console.log('test')",
},
)
expect(compiler.raw_content.to_s).to include("discourse/theme-1/connectors/outlet/blah-1")
expect(compiler.raw_content.to_s).to include(
"discourse/theme-1/templates/connectors/outlet/blah-1",
)
expect(JSON.parse(compiler.source_map)["sources"]).to contain_exactly(
"connectors/outlet/blah-1.js",
"templates/connectors/outlet/blah-1.js",
)
# Not colocated
compiler = ThemeJavascriptCompiler.new(1, "marks")
compiler.append_tree(
{
"templates/connectors/outlet/blah-1.hbs" => "{{var}}",
"connectors/outlet/blah-1.js" => "console.log('test')",
},
)
expect(compiler.raw_content.to_s).to include("discourse/theme-1/connectors/outlet/blah-1")
expect(compiler.raw_content.to_s).to include(
"discourse/theme-1/templates/connectors/outlet/blah-1",
)
expect(JSON.parse(compiler.source_map)["sources"]).to contain_exactly(
"connectors/outlet/blah-1.js",
"templates/connectors/outlet/blah-1.js",
)
end
end
describe "error handling" do
it "handles syntax errors in raw templates" do
expect do
compiler.append_raw_template("sometemplate.hbr", "{{invalidtemplate")
end.to raise_error(ThemeJavascriptCompiler::CompileError, /Parse error on line 1/)
end
it "handles syntax errors in ember templates" do
expect do
compiler.append_ember_template("sometemplate", "{{invalidtemplate")
end.to raise_error(ThemeJavascriptCompiler::CompileError, /Parse error on line 1/)
end
end
describe "#append_tree" do
it "can handle multiple modules" do
compiler.append_tree(
{
"discourse/components/mycomponent.js" => <<~JS,
import Component from "@glimmer/component";
export default class MyComponent extends Component {}
JS
"discourse/templates/components/mycomponent.hbs" => "{{my-component-template}}",
},
)
expect(compiler.raw_content).to include(
'define("discourse/theme-1/discourse/components/mycomponent"',
)
expect(compiler.raw_content).to include(
'define("discourse/theme-1/discourse/templates/components/mycomponent"',
)
end
it "handles colocated components" do
compiler.append_tree(
{
"discourse/components/mycomponent.js" => <<~JS,
import Component from "@glimmer/component";
export default class MyComponent extends Component {}
JS
"discourse/components/mycomponent.hbs" => "{{my-component-template}}",
},
)
expect(compiler.raw_content).to include("__COLOCATED_TEMPLATE__ =")
expect(compiler.raw_content).to include("setComponentTemplate")
end
it "handles colocated admin components" do
compiler.append_tree(
{
"admin/components/mycomponent.js" => <<~JS,
import Component from "@glimmer/component";
export default class MyComponent extends Component {}
JS
"admin/components/mycomponent.hbs" => "{{my-component-template}}",
},
)
expect(compiler.raw_content).to include("__COLOCATED_TEMPLATE__ =")
expect(compiler.raw_content).to include("setComponentTemplate")
end
it "applies theme AST transforms to colocated components" do
compiler = ThemeJavascriptCompiler.new(12_345_678_910, "my theme name")
compiler.append_tree(
{ "discourse/components/mycomponent.hbs" => '{{theme-i18n "my_translation_key"}}' },
)
template_compiled_line = compiler.raw_content.lines.find { |l| l.include?('"block":') }
expect(template_compiled_line).to include("12345678910")
end
it "prints error when default export missing" do
compiler.append_tree(
{
"discourse/components/mycomponent.js" => <<~JS,
import Component from "@glimmer/component";
class MyComponent extends Component {}
JS
"discourse/components/mycomponent.hbs" => "{{my-component-template}}",
},
)
expect(compiler.raw_content).to include("__COLOCATED_TEMPLATE__ =")
expect(compiler.raw_content).to include("throw new Error")
end
it "handles template-only components" do
compiler.append_tree(
{ "discourse/components/mycomponent.hbs" => "{{my-component-template}}" },
)
expect(compiler.raw_content).to include("__COLOCATED_TEMPLATE__ =")
expect(compiler.raw_content).to include("setComponentTemplate")
expect(compiler.raw_content).to include("@ember/component/template-only")
end
end
describe "terser compilation" do
it "applies terser and provides sourcemaps" do
sources = {
"multiply.js" => "let multiply = (firstValue, secondValue) => firstValue * secondValue;",
"add.js" => "let add = (firstValue, secondValue) => firstValue + secondValue;",
}
compiler.append_tree(sources)
expect(compiler.content).to include("multiply")
expect(compiler.content).to include("add")
map = JSON.parse(compiler.source_map)
expect(map["sources"]).to contain_exactly(*sources.keys)
expect(map["sourcesContent"].to_s).to include("let multiply")
expect(map["sourcesContent"].to_s).to include("let add")
expect(map["sourceRoot"]).to eq("theme-1/")
end
it "handles invalid JS" do
compiler.append_raw_script("filename.js", "if(someCondition")
expect(compiler.content).to include('console.error("[THEME 1')
expect(compiler.content).to include("Unexpected token")
end
end
describe "ember-this-fallback" do
it "applies its transforms" do
compiler.append_tree(
{
"discourse/components/my-component.js" => <<~JS,
import Component from "@glimmer/component";
export default class MyComponent extends Component {
value = "foo";
}
JS
"discourse/components/my-component.hbs" => "{{value}}",
},
)
expect(compiler.raw_content).to include("ember-this-fallback")
expect(compiler.raw_content).to include(
"The `value` property path was used in the `discourse/components/my-component.hbs` template without using `this`. This fallback behavior has been deprecated, all properties must be looked up on `this` when used in the template: {{this.value}}",
)
end
end
describe "ember-template-imports" do
it "applies its transforms" do
compiler.append_tree({ "discourse/components/my-component.gjs" => <<~JS })
import Component from "@glimmer/component";
export default class MyComponent extends Component {
<template>
{{this.value}}
</template>
value = "foo";
}
JS
expect(compiler.raw_content).to include(
"define(\"discourse/theme-1/discourse/components/my-component\", [\"exports\",",
)
expect(compiler.raw_content).to include('value = "foo";')
expect(compiler.raw_content).to include("setComponentTemplate")
expect(compiler.raw_content).to include("createTemplateFactory")
end
end
describe "safari <16 class field bugfix" do
it "is applied" do
compiler.append_tree({ "discourse/components/my-component.js" => <<~JS })
export default class MyComponent extends Component {
value = "foo";
complexValue = this.value + "bar";
}
JS
expect(compiler.raw_content).to include('value = "foo";')
expect(compiler.raw_content).to include('complexValue = (() => this.value + "bar")();')
end
end
end