Revert "Update all Angular libs (run update_all.sh)."

third_party/pkg/di/lib/src/module.dart

-part of di;
-
-typedef dynamic FactoryFn(Injector injector);
-
-/**
- * Visibility determines if the instance in the defining module is visible to
- * the requesting injector. If true is returned, then the instance from the
- * defining injector is provided. If false is returned, the injector keeps
- * walking up the tree to find another visible instance.
- */
-typedef bool Visibility(Injector requesting, Injector defining);
-
-typedef Object TypeFactory(factory(Type type, Type annotation));
-
-/**
- * Module contributes configuration information to an [Injector] by providing a collection of type
- * bindings that specify how each type is created.
- *
- * When an injector is created, it copies its configuration information from a module.
- * Defining additional type bindings after an injector is created have no effect on that injector.
- *
- */
-class Module {
-  final _providers = <int, Provider>{};
-  final _childModules = <Module>[];
-  Map<Type, TypeFactory> _typeFactories = {};
-
-  Map<Type, TypeFactory> get typeFactories {
-    if (_childModules.isEmpty) return _typeFactories;
-
-    var factories = new Map.from(_typeFactories);
-    _childModules.forEach((m) {
-      if (m.typeFactories != null) {
-        factories.addAll(m.typeFactories);
-      }
-    });
-    return factories;
-  }
-
-  set typeFactories(Map<Type, TypeFactory> factories) {
-    _typeFactories = factories;
-  }
-
-  Map<int, Provider> _providersCache;
-
-  /**
-   * Compiles and returns a map of type bindings by performing depth-first traversal of the
-   * child (installed) modules.
-   */
-  Map<int, Provider> get bindings {
-    if (_isDirty) {
-      _providersCache = <int, Provider>{};
-      _childModules.forEach((child) => _providersCache.addAll(child.bindings));
-      _providersCache.addAll(_providers);
-    }
-    return _providersCache;
-  }
-
-  /**
-   * Register a binding to a concrete value.
-   *
-   * The [value] is what actually will be injected.
-   */
-  void value(Type id, value, {Type withAnnotation, Visibility visibility}) {
-    _dirty();
-    Key key = new Key(id, withAnnotation);
-    _providers[key.id] = new ValueProvider(id, value, visibility);
-  }
-
-  /**
-   * Registers a binding for a [Type].
-   *
-   * The default behavior is to simply instantiate the type.
-   *
-   * The following parameters can be specified:
-   *
-   * * [withAnnotation]: Type decorated with additional annotation.
-   * * [implementedBy]: The type will be instantiated using the [new] operator and the
-   *   resulting instance will be injected. If no type is provided, then it's
-   *   implied that [type] should be instantiated.
-   * * [visibility]: Function which determines fi the requesting injector can see the type in the
-   *   current injector.
-   */
-  void type(Type type, {Type withAnnotation, Type implementedBy, Visibility visibility}) {
-    _dirty();
-    Key key = new Key(type, withAnnotation);
-    _providers[key.id] = new TypeProvider(
-        implementedBy == null ? type : implementedBy, visibility);
-  }
-
-  /**
-   * Register a binding to a factory function.
-   *
-   * The [factoryFn] will be called and all its arguments will get injected.
-   * The result of that function is the value that will be injected.
-   */
-  void factory(Type id, FactoryFn factoryFn, {Type withAnnotation,
-      Visibility visibility}) {
-    factoryByKey(new Key(id, withAnnotation), factoryFn,
-        visibility: visibility);
-  }
-
-  void factoryByKey(Key key, FactoryFn factoryFn, {Visibility visibility}) {
-    _dirty();
-    _providers[key.id] = new FactoryProvider(key.type, factoryFn, visibility);
-  }
-
-  /**
-   * Installs another module into this module. Bindings defined on this module
-   * take precidence over the installed module.
-   */
-  void install(Module module) {
-    _childModules.add(module);
-    _dirty();
-  }
-
-  _dirty() {
-    _providersCache = null;
-  }
-
-  bool get _isDirty =>
-      _providersCache == null || _childModules.any((m) => m._isDirty);
-}