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implab » implabjs-di
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ActivationContext removed 'clone' method, rewritten 'enter' method
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r3:8a4027b4c19f default
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@@ -15,17 +15,17 let nextId = 1;
15 * tracks services with `context` activation type.
15 * tracks services with `context` activation type.
16 */
16 */
17 export class ActivationContext<S extends object> {
17 export class ActivationContext<S extends object> {
18 private _cache: { [K: string]: unknown };
18 private readonly _cache: Record<string, unknown>;
19
19
20 private _services: Partial<RegistrationMap<S>>;
20 private readonly _services: Partial<RegistrationMap<S>>;
21
21
22 private _name: string;
22 private readonly _name: string;
23
23
24 private _service: Descriptor<S, unknown>;
24 private readonly _service: Descriptor<S, unknown>;
25
25
26 private readonly _containerLifetimeManager: LifetimeContainer;
26 private readonly _containerLifetimeManager: LifetimeContainer;
27
27
28 private _parent: ActivationContext<S> | undefined;
28 private readonly _parent: ActivationContext<S> | undefined;
29
29
30 /** Creates a new activation context with the specified parameters.
30 /** Creates a new activation context with the specified parameters.
31 * @param containerLifetimeManager the container which starts the activation process
31 * @param containerLifetimeManager the container which starts the activation process
@@ -35,10 +35,10 export class ActivationContext<S extends
35 * @param service the service to activate, this parameter is used for the
35 * @param service the service to activate, this parameter is used for the
36 * debug purpose.
36 * debug purpose.
37 */
37 */
38 constructor(containerLifetimeManager: LifetimeContainer, services: Partial<RegistrationMap<S>>, name: string, service: Descriptor<S, unknown>) {
38 constructor(containerLifetimeManager: LifetimeContainer, services: Partial<RegistrationMap<S>>, name: string, service: Descriptor<S, unknown>, cache = {}) {
39 this._name = name;
39 this._name = name;
40 this._service = service;
40 this._service = service;
41 this._cache = {};
41 this._cache = cache;
42 this._services = services;
42 this._services = services;
43 this._containerLifetimeManager = containerLifetimeManager;
43 this._containerLifetimeManager = containerLifetimeManager;
44 }
44 }
@@ -126,19 +126,13 export class ActivationContext<S extends
126 stack;
126 stack;
127 }
127 }
128
128
129 private enter(service: Descriptor<S, unknown>, name: string): this {
129 private enter(service: Descriptor<S, unknown>, name: string) {
130 const clone = Object.create(this) as this;
130 return new ActivationContext(
131 clone._name = name;
131 this._containerLifetimeManager,
132 clone._services = Object.create(this._services) as typeof this._services;
132 Object.create(this._services) as typeof this._services,
133 clone._parent = this;
133 name,
134 clone._service = service;
134 service,
135 return clone;
135 this._cache
136 }
136 );
137
138 /** Creates a clone for the current context, used to protect it from modifications */
139 clone(): this {
140 const clone = Object.create(this) as this;
141 clone._services = Object.create(this._services) as typeof this._services;
142 return clone;
143 }
137 }
144 }
138 }
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