self-explain v0.11.0

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

License

MIT