implab/implabjs-core Files · src/main/ts/di/AggregateDescriptor.ts

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r115:691199f665e0 ioc ts support


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ioc ts support

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             AggregateDescriptor.ts
        
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                TypeScriptLexer
            
             / src / main / ts / di / AggregateDescriptor.ts
          
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      import { Descriptor, isDescriptor, Parse } from "./interfaces";

      import { ActivationContext } from "./ActivationContext";

      import { isPrimitive } from "../safe";

      export class AggregateDescriptor<T> implements Descriptor<Parse<T>> {

          _value: T;

          constructor(value: T) {

              this._value = value;

          }

          activate<S>(context: ActivationContext<S>) {

              return this._parse(this._value, context, "$value");

          }

          _parse<S, V>(value: V, context: ActivationContext<S>, path: string): Parse<V> {

              if (isPrimitive(value))

                  return value as any;

              if (isDescriptor(value))

                  return context.activate(value, path);

              if (value instanceof Array)

                  return value.map((x, i) => this._parse(x, context, `${path}[${i}]`)) as any;

              const t: any = {};

              for (const p in value)

                  t[p] = this._parse(value[p], context, `${path}.${p}`);

              return t;

          }

          toString() {

              return "@walk";

          }

      }

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				import { Descriptor, isDescriptor, Parse } from "./interfaces";
				import { ActivationContext } from "./ActivationContext";
				import { isPrimitive } from "../safe";

				export class AggregateDescriptor<T> implements Descriptor<Parse<T>> {
				_value: T;

				constructor(value: T) {
				this._value = value;
				}

				activate<S>(context: ActivationContext<S>) {
				return this._parse(this._value, context, "$value");
				}

				_parse<S, V>(value: V, context: ActivationContext<S>, path: string): Parse<V> {
				if (isPrimitive(value))
				return value as any;

				if (isDescriptor(value))
				return context.activate(value, path);

				if (value instanceof Array)
				return value.map((x, i) => this._parse(x, context, `${path}[${i}]`)) as any;

				const t: any = {};
				for (const p in value)
				t[p] = this._parse(value[p], context, `${path}.${p}`);
				return t;
				}

				toString() {
				return "@walk";
				}
				}