js-string-format

extend String class with python-esque format function

introduction

This is a small library that extends the String prototype to allow for python like format. It supports multiple ways for replacement which are described in the usage section

install

from git:

npm install "git+https://github.com/belbis/js-string-format"

node/iojs:

npm install js-string-format

browser:

<script src="/path/to/dist/stringFormat.min.js"></script>

usage

import (node):

require("js-string-format");

use:

 
// numerical
var ret = 'The {0} {1} fox jumps over the {2} dog.'.format(
  ['quick', 'brown', 'lazy'])
 
var ret = 'The {0} {1} fox jumps over the {2} dog.'.format(
    'quick', 
    'brown', 
    'lazy'
)
 
var ret = 'The {0} {1} fox jumps over the {2} dog.'.format(
  {
    1: 'quick',
    2: 'brown',
    3: 'lazy'
  }
)
 
// object
var ret = 'The quick brown {i} jumps over the lazy {j}'.format(
    {
      'i': 'fox',
       'j': 'dog'
    }
)
console.log(ret) // The quick brown fox jumps over the lazy dog.

tests

run javascript npm test

notes

this library does not sanitize the input other than simple type checking