aurelia-typed-observable-plugin/src/interfaces.ts

A plugin for @observable and @bindable value coercion

export type ICoerceFunction<T = any> = (val: any) => T;

export interface IPropertyDecoratorConfig<T = any> {
  name?: string;
  changeHandler?: string;
  defaultValue?: T;
  coerce?: string | ICoerceFunction<T>;
}

export type IPropertyDecoratorFunction<TValueType = any, TConfig extends IPropertyDecoratorConfig<TValueType> = IPropertyDecoratorConfig<TValueType>> =
  (nameOrTargetOrConfig?: string | object | TConfig, key?: string, descriptor?: PropertyDescriptor) => any;

export interface IObservableDecorator extends IPropertyDecoratorFunction {
  // usePropertyType(shouldUsePropType: boolean): void;
  string: IPropertyDecoratorFunction<string>;
  number: IPropertyDecoratorFunction<number>;
  boolean: IPropertyDecoratorFunction<boolean>;
  date: IPropertyDecoratorFunction<Date>;
  [type: string]: IPropertyDecoratorFunction;
}