rng-with-excluded-ranges

random-number-csprng-with-exclusive-range

Description

It's an extension of random-number-csprng package to exclude ranges.

Installation

npm install --save rng-with-excluded-ranges

Import

const rngWithExcludedRanges = require("rng-with-excluded-ranges")

Usage

const Promise = require("bluebird");
 
Promise.try(function() {
    return rngWithExcludedRanges(10, 30, [{minimum:2, maximum: 5},{minimum:14, maximum: 16}]);
}).then(function(number) {
    console.log("Your random number:", number);
}).catch({code: "RandomGenerationError"}, function(err) {
    console.log("Something went wrong!");
});

Specifications

rngWithExcludedRanges(minimum, maximum, ranges)

ranges: is optional. Example [{minimum:2, maximum: 5}]
minimum: The lowest possible value in the range.
maximum: The highest possible value in the range. Inclusive.

Returns a Promise that resolves to a random number within the specified range.

Note that the range is inclusive, and both numbers must be integer values. 

Error Messages

Any errors that occur during the random number generation process will be of this type. 
The error object will also have a code property, set to the string "RandomGenerationError".