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iife

v1.2.0

Published

Simple utility functions

Downloads

93

Readme

Simple function helpers like IIFE

This package includes 4 tiny function helpers:

  • iife
  • tryor
  • tryorLog
  • tryorHandle

Usage

1. iife

const { iife } = require("iife");

// Do this:
const obj = {
	prop: iife(() => {
		return; // ...body...
	}),
};

// Instead of this:
const obj = {
	prop: (function () {
		return; // ...body...
	})(),
};

2. tryor

Try to invoke function (first argument) and returns result. If function throws exception - returns second argument.

Based on https://www.npmjs.com/package/tryor package.

const { tryor } = require("iife");

// Do this:
const config = tryor(() => JSON.parse(someJson), {});

// Instead of:
let config;
try {
	config = JSON.parse(someJson);
} catch (e) {
	config = {};
}

3. tryorLog

Works as 'tryor' function above, but also log error to console via console.error().

const { tryorLog } = require("iife");

const config = tryorLog(() => JSON.parse(someJson), {});

4. tryorHandle

Works as 'tryorLog' function above, but allow you to pass your own handler, rather than console.error

const { tryorLog } = require("iife");

const config = tryorHandle(
	() => JSON.parse(someJson),
	{},
	error => {
		// Do something with error...
		alert(error);
	}
);

License

MIT