Update all Angular libs (run update_all.sh).

third_party/pkg/di/lib/module.dart

-part of di;
-
-typedef dynamic FactoryFn(Injector injector);
-
-/**
- * Creation strategy is asked to return an instance of the type after
- * [Injector.get] locates the defining injector that has no instance cached.
- * [directInstantation] is true when an instance is created directly from
- * [Injector.instantiate].
- */
-typedef dynamic CreationStrategy(
-  Injector requesting,
-  Injector defining,
-  dynamic factory()
-);
-
-/**
- * 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));
-
-/**
- * A collection of type bindings. Once the module is passed into the injector,
- * the injector creates a copy of the module and all subsequent changes to the
- * module have no effect.
- */
-class Module {
-  final Map<Type, _Provider> _providers = <Type, _Provider>{};
-  final List<Module> _childModules = <Module>[];
-  Map<Type, TypeFactory> _typeFactories = {};
-
-  Map<Type, TypeFactory> get typeFactories {
-    if (_childModules.isEmpty) {
-      return _typeFactories;
-    }
-    var tmp = new Map.from(_typeFactories);
-    _childModules.forEach((child) {
-      if (child.typeFactories != null) {
-        child.typeFactories.forEach((type, factory) {
-          tmp[type] = factory;
-        });
-      }
-    });
-    return tmp;
-  }
-
-  set typeFactories(Map<Type, TypeFactory> factories) {
-    _typeFactories = factories;
-  }
-
-  Map<Type, _Provider> _providersCache;
-
-  /**
-   * Compiles and returs bindings map by performing depth-first traversal of the
-   * child (installed) modules.
-   */
-  Map<Type, _Provider> get _bindings {
-    if (_isDirty) {
-      _providersCache = <Type, _Provider>{};
-      _childModules.forEach((child) => _providersCache.addAll(child._bindings));
-      _providersCache.addAll(_providers);
-    }
-    return _providersCache;
-  }
-
-  /**
-   * Register binding to a concrete value.
-   *
-   * The [value] is what actually will be injected.
-   */
-  void value(Type id, value,
-      {CreationStrategy creation, Visibility visibility}) {
-    _dirty();
-    _providers[id] = new _ValueProvider(value, creation, visibility);
-  }
-
-  /**
-   * Register binding to a [Type].
-   *
-   * The [implementedBy] will be instantiated using [new] operator and the
-   * resulting instance will be injected. If no type is provided, then it's
-   * implied that [id] should be instantiated.
-   */
-  void type(Type id, {Type implementedBy, CreationStrategy creation,
-      Visibility visibility}) {
-    _dirty();
-    _providers[id] = new _TypeProvider(
-        implementedBy == null ? id : implementedBy, creation, visibility);
-  }
-
-  /**
-   * Register binding to a factory function.abstract
-   *
-   * 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,
-      {CreationStrategy creation, Visibility visibility}) {
-    _dirty();
-    _providers[id] = new _FactoryProvider(factoryFn, creation, 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);
-}
-
-/** Deafault creation strategy is to instantiate on the defining injector. */
-dynamic _defaultCreationStrategy(Injector requesting, Injector defining,
-    dynamic factory()) => factory();
-
-/** By default all values are visible to child injectors. */
-bool _defaultVisibility(_, __) => true;
-
-
-typedef Object ObjectFactory(Type type, Injector requestor);
-
-abstract class _Provider {
-  final CreationStrategy creationStrategy;
-  final Visibility visibility;
-
-  _Provider(this.creationStrategy, this.visibility);
-
-  dynamic get(Injector injector, Injector requestor, ObjectFactory getInstanceByType, error);
-}
-
-class _ValueProvider extends _Provider {
-  dynamic value;
-
-  _ValueProvider(this.value, [CreationStrategy creationStrategy,
-                              Visibility visibility])
-      : super(creationStrategy, visibility);
-
-  dynamic get(Injector injector, Injector requestor, ObjectFactory getInstanceByType, error) =>
-      value;
-}
-
-class _TypeProvider extends _Provider {
-  final Type type;
-
-  _TypeProvider(this.type, [CreationStrategy creationStrategy,
-                            Visibility visibility])
-      : super(creationStrategy, visibility);
-
-  dynamic get(Injector injector, Injector requestor, ObjectFactory getInstanceByType, error) =>
-      injector.newInstanceOf(type, getInstanceByType, requestor, error);
-
-}
-
-class _FactoryProvider extends _Provider {
-  final Function factoryFn;
-
-  _FactoryProvider(this.factoryFn, [CreationStrategy creationStrategy,
-                                    Visibility visibility])
-      : super(creationStrategy, visibility);
-
-  dynamic get(Injector injector, Injector requestor, getInstanceByType, error) =>
-      factoryFn(injector);
-}