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

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r120:1b124b65514a ioc ts support


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ioc ts support

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             AggregateDescriptor.ts
        
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             / src / main / ts / di / AggregateDescriptor.ts
          
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      import { Descriptor } from "./interfaces";

      import { ActivationContext } from "./ActivationContext";

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

      import { isDescriptor } from "./traits";

      export class AggregateDescriptor<S extends object, T> implements Descriptor<S, T> {

          _value: any;

          constructor(value: any) {

              this._value = value;

          }

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

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

          }

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

              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 } from "./interfaces";
				import { ActivationContext } from "./ActivationContext";
				import { isPrimitive } from "../safe";
				import { isDescriptor } from "./traits";

				export class AggregateDescriptor<S extends object, T> implements Descriptor<S, T> {
				_value: any;

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

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

				_parse(value: any, context: ActivationContext<S>, path: string): any {
				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";
				}
				}