Package Exports

fill-range

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Readme

fill-range

Fill in a range of numbers or letters, optionally passing an increment or multiplier to use.

Install

Install with npm

npm i fill-range --save

Run tests

npm test

Usage

var range = require('fill-range');

Params

range(start, stop, increment);

start: the number or letter to start with
end: the number or letter to end with
increment: optionally pass the increment to use. works for letters or numbers

Examples

range(1, 3)
//=> ['1', '2', '3']

range('1', '3')
//=> ['1', '2', '3']

range('0', '-5')
//=> [ '0', '-1', '-2', '-3', '-4', '-5' ]

range(-9, 9, 3)
//=> [ '-9', '-6', '-3', '0', '3', '6', '9' ])

range('-1', '-10', '-2')
//=> [ '-1', '-3', '-5', '-7', '-9' ]

range('1', '10', '2')
//=> [ '1', '3', '5', '7', '9' ]

range('a', 'e')
//=> ['a', 'b', 'c', 'd', 'e']

range('a', 'e', 2)
//=> ['a', 'c', 'e']

range('A', 'E', 2)
//=> ['A', 'C', 'E']

Custom function

Optionally pass a custom function as the third or fourth argument:

range('a', 'e', function (val, isLetter, i) {
  if (isLetter) {
    return String.fromCharCode(val) + i;
  }
  return val;
});
//=> ['a0', 'b1', 'c2', 'd3', 'e4']

Contributing

Pull requests and stars are always welcome. For bugs and feature requests, please create an issue

Author

Jon Schlinkert

License

This file was generated by verb on November 25, 2014.