Flatry


Flatry (flat try) converting promise or function to flat array response with [err, result].

Inspired by golang style error handling without try/catch.

 

Install

``bash
npm install flatry


or


yarn add flatry
`

 

Use

`js
import flatry from "flatry";
// or
const flatry = require("flatry");
`

 

Examples

!Flatry example

 

$3

`js
// Before
async asyncData({ app, error }) {
try {
const categories = (await app.$axios.$get('forum')).sections;
return { categories };
} catch (err) {
return error({ statusCode: err.statusCode });
}
}


// After
async asyncData({ app, error }) {
const [err, res] = await flatry(app.$axios.$get('forum'));
if (err) return error({ statusCode: err.statusCode });
return { categories: res.sections };
}
`

$3

`js
// Before
let result = false;
try {
result = mayThrowErrorSomeday();
} catch (error) {
console.log("Error catched", error);
}
console.log("result", result);

// After
const [err, result] = flatry(mayThrowErrorSomeday);
if (err) console.log("Error catched", err);
console.log("result", result);
``