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

Working on IoC container configuration

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r112:efce7387bfc8 ioc ts support


                r112:efce7387bfc8

ioc ts support

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             Annotations.ts
        
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             / src / main / ts / di / Annotations.ts
          
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      import { Constructor } from "../interfaces";

      export interface InjectOptions {

          lazy?: boolean;

      }

      type Setter<T = any> = (v: T) => void;

      type Compatible<T1, T2> = T1 extends T2 ? any : never;

      type SetterType<T> = T extends (v: infer V) => void ? V : never;

      type ExtractService<K, S> = K extends keyof S ? S[K] : K;

      type ExtractDependency<D, S> = D extends { $dependency: infer K } ? D extends { lazy: true } ? () => ExtractService<K, S> : ExtractService<K, S> : VisitDependency<D, S>;

      type VisitDependency<D, S> = D extends {} ? { [K in keyof D]: ExtractDependency<D[K], S> } : D;

      export class Builder<T, S> {

          consume<P extends any[]>(...args: P) {

              return <C extends new (...args: ExtractDependency<P, S>) => T>(constructor: C) => {

                  return constructor as typeof constructor & { service: () => T };

              };

          }

          inject<K extends keyof S>(dependency: K) {

              // K = "bar"

              // M = "setValue"

              // S[K] = Bar

              // T[M] = (value: string) => void

              // P[m] = (value: V) => void

              return <P, M extends keyof (T | P)>(target: P, memberName: M, descriptor: TypedPropertyDescriptor<Compatible<T[M], Setter<S[K]>>>) => {

              };

          }

          cast<T2 extends T>(): Builder<T2, S> {

              return this as Builder<T2, S>;

          }

      }

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				import { Constructor } from "../interfaces";

				export interface InjectOptions {
				lazy?: boolean;
				}

				type Setter<T = any> = (v: T) => void;

				type Compatible<T1, T2> = T1 extends T2 ? any : never;

				type SetterType<T> = T extends (v: infer V) => void ? V : never;

				type ExtractService<K, S> = K extends keyof S ? S[K] : K;

				type ExtractDependency<D, S> = D extends { $dependency: infer K } ? D extends { lazy: true } ? () => ExtractService<K, S> : ExtractService<K, S> : VisitDependency<D, S>;

				type VisitDependency<D, S> = D extends {} ? { [K in keyof D]: ExtractDependency<D[K], S> } : D;

				export class Builder<T, S> {
				consume<P extends any[]>(...args: P) {
				return <C extends new (...args: ExtractDependency<P, S>) => T>(constructor: C) => {
				return constructor as typeof constructor & { service: () => T };
				};
				}

				inject<K extends keyof S>(dependency: K) {
				// K = "bar"
				// M = "setValue"
				// S[K] = Bar
				// T[M] = (value: string) => void
				// P[m] = (value: V) => void
				return <P, M extends keyof (T \| P)>(target: P, memberName: M, descriptor: TypedPropertyDescriptor<Compatible<T[M], Setter<S[K]>>>) => {

				};
				}

				cast<T2 extends T>(): Builder<T2, S> {
				return this as Builder<T2, S>;
				}

				}