lequanghuylc / erria

return error in array, remove the need of using try catch

Erria

Erria (Error in array) is inspired by the way Golang function can return mutiple value. Reduce the need of try catch code blocks.

Install

yarn add erria

or

npm i --save erria

Usage

This module is written in Typescript, pull requesta for regular js project are welcomed

Regular synchronous and asynchronous function

  import erria from 'erria';

  const start = async () => {
    const [res, err] = await erria(simpleAsync, someParameter, someMoreParameter);
    console.log([res, err]);

    const [res2, err2] = erria(simpleSync);
    console.log([res2, err2]);
  };

  start();

Decorator

  import erria from 'erria/decorator';

  class Foo {

    @erria
    async bar() : Promise<[any, Error] | any> {
      const res = await simpleAsync(someParameter);
      return res;
    }
  }

  const start = async () => {
    const foo = new Foo();
    const [res3, err3] = await foo.bar();
    console.log([res3, err3]);
  };

  start();