wankdanker / rangier

Ranges of numbers or letters passed to a callback

rangier

Given an array of numeric or alphabetical character ranges execute a function for each combination

example

const rangier = require('rangier');

rangier(['1-10', 'a-b'], range => {
    console.log('combo: %s, %s', range[0], range[1]);
});

api

rangier(ranges, fn);

• ranges: an array of ranges where a range may be one of the following
  • string character range: 'A-Z'
  • string numeric range: '0-100'
  • array character range: ['A', 'Z']
  • array numeric range: [0, 100]
• fn(range): a function that is called for each combination of all ranges specified
  • range: an array that contains as many elements as the ranges array passed to rangier

cli

The simple cli takes one or more --range options and then renders --template for each combination.

rangier --range 1-2 --range 5-7 --range A-B --template "select 1, 11, 20, 0, '\${range[0]}', '\${range[1]}', '\${range[2]}'"

select 1, 11, 20, 0, '1', '5', 'A'
select 1, 11, 20, 0, '1', '5', 'B'
select 1, 11, 20, 0, '1', '6', 'A'
select 1, 11, 20, 0, '1', '6', 'B'
select 1, 11, 20, 0, '1', '7', 'A'
select 1, 11, 20, 0, '1', '7', 'B'
select 1, 11, 20, 0, '2', '5', 'A'
select 1, 11, 20, 0, '2', '5', 'B'
select 1, 11, 20, 0, '2', '6', 'A'
select 1, 11, 20, 0, '2', '6', 'B'
select 1, 11, 20, 0, '2', '7', 'A'
select 1, 11, 20, 0, '2', '7', 'B'

license

MIT