self-explained

self explained tools - starting with "assert"

Install

$ npm install self-explained

language: also available in:

Use

var assert = require('self-exlain').assert;

var alpha = 10;
var betha = 7;

assert(alpha / 2 > betha -1);

It controls the expression like assert does. If the expression evaluates to false it will show the expression and the value. (also throws the Exception)

ASSERT FAILED
alpha / 2 > betha -1 ==== false

Much more info

var assert = require('self-exlain').assert;

var alpha = 10;
var betha = 7;

eval(assert(alpha / 2 > betha -1));

Adding eval to the assert It will shows the evaluation of all subexpressions

ASSERT FAILED
alpha / 2 > betha -1 ==== false
alpha / 2 ==== 5
betha -1 ==== 6
alpha ==== 10
betha ==== 7

Exceptions

Function assertCatch controls that an Error been throwed.

assertCatch(function{
    if(error){
        throw new Error('an error');
    }
}, /an error/);

Tests with real devices

NPM version	Device	OS	nav
0.10.0	HTC Desire	Android 2.2.2	Android 2.2.2
0.10.0	Samgsung Galaxy Note 4	Android 5.1.1	Samsung Internet 4.0.0
0.10.2	Samgsung Galaxy Note 4	Android 6.0.1	Chrome Mobile 50.0.2661
0.10.0	Blue Vivo Air LTE	Android 5.0.2	Chrome Mobile 50.0.2661
0.10.0	iPad mini Retina	iOS 8.4.0	Mobile Safari 8.0.0
0.10.0	VMWare	WinXP	IE 8.0.0

License

MIT