fix: model associations methods to reflect sequelize v6 (#888)

Author: lukashroch

src/model/model/model.ts

@@ -43,15 +43,15 @@ export abstract class Model<TModelAttributes extends {} = any, TCreationAttribut
  /**
  * Adds relation between specified instances and source instance
  */
- $add<R extends Model<R>>(propertyKey: string, instances: R | R[] | string[] | string | number[] | number, options?: AssociationActionOptions): Promise<unknown> {
+ $add<R extends Model>(propertyKey: string, instances: R | R[] | string[] | string | number[] | number, options?: AssociationActionOptions): Promise<unknown> {
  return this['add' + capitalize(propertyKey)](instances, options);
  }
 
  /**
  * Sets relation between specified instances and source instance
  * (replaces old relations)
  */
- $set<R extends Model<R>>(propertyKey: keyof this, instances: R | R[] | string[] | string | number[] | number, options?: AssociationActionOptions): Promise<unknown> {
+ $set<R extends Model>(propertyKey: keyof this, instances: R | R[] | string[] | string | number[] | number, options?: AssociationActionOptions): Promise<unknown> {
  return this['set' + capitalize(propertyKey as string)](instances, options);
  }
 
@@ -65,28 +65,28 @@ export abstract class Model<TModelAttributes extends {} = any, TCreationAttribut
  /**
  * Counts related instances (specified by propertyKey) of source instance
  */
- $count<R extends Model<R>>(propertyKey: string, options?: AssociationCountOptions): Promise<number> {
+ $count<R extends Model>(propertyKey: string, options?: AssociationCountOptions): Promise<number> {
  return this['count' + capitalize(propertyKey)](options);
  }
 
  /**
  * Creates instances and relate them to source instance
  */
- $create<R extends Model<R>>(propertyKey: string, values: any, options?: AssociationCreateOptions): Promise<R> {
+ $create<R extends Model>(propertyKey: string, values: any, options?: AssociationCreateOptions): Promise<R> {
  return this['create' + capitalize(propertyKey)](values, options);
  }
 
  /**
  * Checks if specified instances is related to source instance
  */
- $has<R extends Model<R>>(propertyKey: string, instances: R | R[] | string[] | string | number[] | number, options?: AssociationGetOptions): Promise<boolean> {
+ $has<R extends Model>(propertyKey: string, instances: R | R[] | string[] | string | number[] | number, options?: AssociationGetOptions): Promise<boolean> {
  return this['has' + capitalize(propertyKey)](instances, options);
  }
 
  /**
  * Removes specified instances from source instance
  */
- $remove<R extends Model<R>>(propertyKey: string, instances: R | R[] | string[] | string | number[] | number, options?: any): Promise<any> {
+ $remove<R extends Model>(propertyKey: string, instances: R | R[] | string[] | string | number[] | number, options?: any): Promise<any> {
  return this['remove' + capitalize(propertyKey)](instances, options);
  }