Function injectArgs

packages/core/src/di/injector_compatibility.ts:327–362

(types: (ProviderToken<any> | any[])[])

}

export function injectArgs(types: (ProviderToken<any> | any[])[]): any[] {
  const args: any[] = [];
  for (let i = 0; i < types.length; i++) {
    const arg = resolveForwardRef(types[i]);
    if (Array.isArray(arg)) {
      if (arg.length === 0) {
        throw new RuntimeError(
          RuntimeErrorCode.INVALID_DIFFER_INPUT,
          ngDevMode && 'Arguments array must have arguments.',
        );
      }
      let type: Type<any> | undefined = undefined;
      let flags: InternalInjectFlags = InternalInjectFlags.Default;

      for (let j = 0; j < arg.length; j++) {
        const meta = arg[j];
        const flag = getInjectFlag(meta);
        if (typeof flag === 'number') {
          // Special case when we handle @Inject decorator.
          if (flag === DecoratorFlags.Inject) {
            type = meta.token;
          } else {
            flags |= flag;
          }
        } else {
          type = meta;
        }
      }

      args.push(ɵɵinject(type!, flags));
    } else {
      args.push(ɵɵinject(arg));
    }
  }
  return args;
}

/**
 * Attaches a given InjectFlag to a given decorator using monkey-patching.