feat(dart/transform): Add DirectiveMetadataExtractor transform step

Add a step that reads `DirectiveMetadata` object off annotated classes
into `.ng_meta.dart` files. These will be used by the `TemplateCompiler`
step as inputs to the Angular 2 render compiler.

Update one test to avoid unsupported functionality, format others.
This commit is contained in:
Tim Blasi
2015-05-01 13:57:44 -07:00
parent 8e1d53b5e9
commit 0520ca68b4
27 changed files with 214 additions and 78 deletions

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@ -1,13 +1,9 @@
library angular2.test.transform.template_compiler.all_tests;
import 'dart:async';
import 'package:barback/barback.dart';
import 'package:angular2/src/dom/html_adapter.dart';
import 'package:angular2/src/render/api.dart';
import 'package:angular2/src/transform/common/asset_reader.dart';
import 'package:angular2/src/transform/common/logging.dart';
import 'package:angular2/src/transform/common/parser.dart';
import 'package:angular2/src/transform/template_compiler/directive_metadata_reader.dart';
import 'package:angular2/src/transform/template_compiler/generator.dart';
import 'package:dart_style/dart_style.dart';
import 'package:guinness/guinness.dart';
@ -19,7 +15,6 @@ var formatter = new DartFormatter();
void allTests() {
Html5LibDomAdapter.makeCurrent();
AssetReader reader = new TestAssetReader();
var parser = new Parser(reader);
beforeEach(() => setLogger(new PrintLogger()));
@ -63,59 +58,6 @@ void allTests() {
var output = await processTemplates(reader, new AssetId('a', inputPath));
_formatThenExpectEquals(output, expected);
});
describe('DirectiveMetadataReader', () {
Future<DirectiveMetadata> readMetadata(inputPath) async {
var ngDeps = await parser.parse(new AssetId('a', inputPath));
return readDirectiveMetadata(ngDeps.registeredTypes.first);
}
it('should parse selectors', () async {
var metadata = await readMetadata(
'template_compiler/directive_metadata_files/selector.ng_deps.dart');
expect(metadata.selector).toEqual('hello-app');
});
it('should parse compile children values', () async {
var metadata = await readMetadata('template_compiler/'
'directive_metadata_files/compile_children.ng_deps.dart');
expect(metadata.compileChildren).toBeTrue();
metadata = await readMetadata(
'template_compiler/directive_metadata_files/selector.ng_deps.dart');
expect(metadata.compileChildren).toBeFalse();
});
it('should parse properties.', () async {
var metadata = await readMetadata('template_compiler/'
'directive_metadata_files/properties.ng_deps.dart');
expect(metadata.properties).toBeNotNull();
expect(metadata.properties.length).toBe(2);
expect(metadata.properties).toContain('key1');
expect(metadata.properties['key1']).toEqual('val1');
expect(metadata.properties).toContain('key2');
expect(metadata.properties['key2']).toEqual('val2');
});
it('should parse host listeners.', () async {
var metadata = await readMetadata('template_compiler/'
'directive_metadata_files/host_listeners.ng_deps.dart');
expect(metadata.hostListeners).toBeNotNull();
expect(metadata.hostListeners.length).toBe(2);
expect(metadata.hostListeners).toContain('change');
expect(metadata.hostListeners['change']).toEqual('onChange(\$event)');
expect(metadata.hostListeners).toContain('keyDown');
expect(metadata.hostListeners['keyDown']).toEqual('onKeyDown(\$event)');
});
it('should fail when a class is annotated with multiple Directives.',
() async {
var ngDeps = await parser.parse(new AssetId('a', 'template_compiler/'
'directive_metadata_files/too_many_directives.ng_deps.dart'));
expect(() => readDirectiveMetadata(ngDeps.registeredTypes.first))
.toThrowWith(anInstanceOf: PrintLoggerError);
});
});
}
void _formatThenExpectEquals(String actual, String expected) {

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@ -1,16 +0,0 @@
library examples.hello_world.index_common_dart.ng_deps.dart;
import 'hello.dart';
import 'package:angular2/angular2.dart';
var _visited = false;
void initReflector(reflector) {
if (_visited) return;
_visited = true;
reflector
..registerType(HelloCmp, {
'factory': () => new HelloCmp(),
'parameters': const [const []],
'annotations': const [const Directive(compileChildren: true)]
});
}

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@ -1,23 +0,0 @@
library examples.hello_world.index_common_dart.ng_deps.dart;
import 'hello.dart';
import 'package:angular2/angular2.dart'
show bootstrap, Component, Directive, View, NgElement;
var _visited = false;
void initReflector(reflector) {
if (_visited) return;
_visited = true;
reflector
..registerType(HelloCmp, {
'factory': () => new HelloCmp(),
'parameters': const [const []],
'annotations': const [
const Component(
hostListeners: const {
'change': 'onChange(\$event)',
'keyDown': 'onKeyDown(\$event)'
})
]
});
}

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@ -1,19 +0,0 @@
library examples.hello_world.index_common_dart.ng_deps.dart;
import 'hello.dart';
import 'package:angular2/angular2.dart'
show bootstrap, Component, Directive, View, NgElement;
var _visited = false;
void initReflector(reflector) {
if (_visited) return;
_visited = true;
reflector
..registerType(HelloCmp, {
'factory': () => new HelloCmp(),
'parameters': const [const []],
'annotations': const [
const Component(properties: const {'key1': 'val1', 'key2': 'val2'})
]
});
}

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@ -1,17 +0,0 @@
library examples.hello_world.index_common_dart.ng_deps.dart;
import 'hello.dart';
import 'package:angular2/angular2.dart'
show bootstrap, Component, Directive, View, NgElement;
var _visited = false;
void initReflector(reflector) {
if (_visited) return;
_visited = true;
reflector
..registerType(HelloCmp, {
'factory': () => new HelloCmp(),
'parameters': const [const []],
'annotations': const [const Component(selector: 'hello-app')]
});
}

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@ -1,20 +0,0 @@
library examples.hello_world.index_common_dart.ng_deps.dart;
import 'hello.dart';
import 'package:angular2/angular2.dart'
show bootstrap, Component, Directive, View, NgElement;
var _visited = false;
void initReflector(reflector) {
if (_visited) return;
_visited = true;
reflector
..registerType(HelloCmp, {
'factory': () => new HelloCmp(),
'parameters': const [const []],
'annotations': const [
const Component(selector: 'hello-app'),
const Component(selector: 'goodbye-app')
]
});
}