Base64 Mongo Id

This library converts mongo ids into base64 strings. It has no dependencies and works in all browsers.

Methods

* toBase64(mongoIdStr)
- Input: A Mongo id or 24-character hex string
- Output: A 16-character base 64 string
* toHex(shortedIdStr)
- Input: A 16-character base 64 string
- Output: A 24-character hex string

Encoding System

The chosen base 64 encoding uses the following system. The characters were chosen to match common base 64 encoding schemes, but to be URL-safe.
* 0 - A
* 1 - B
* 2 - C
* 3 - D
* 4 - E
* 5 - F
* 6 - G
* 7 - H
* 8 - I
* 9 - J
* 10 - K
* 11 - L
* 12 - M
* 13 - N
* 14 - O
* 15 - P
* 16 - Q
* 17 - R
* 18 - S
* 19 - T
* 20 - U
* 21 - V
* 22 - W
* 23 - X
* 24 - Y
* 25 - Z
* 26 - a
* 27 - b
* 28 - c
* 29 - d
* 30 - e
* 31 - f
* 32 - g
* 33 - h
* 34 - i
* 35 - j
* 36 - k
* 37 - l
* 38 - m
* 39 - n
* 40 - o
* 41 - p
* 42 - q
* 43 - r
* 44 - s
* 45 - t
* 46 - u
* 47 - v
* 48 - w
* 49 - x
* 50 - y
* 51 - z
* 52 - 0
* 53 - 1
* 54 - 2
* 55 - 3
* 56 - 4
* 57 - 5
* 58 - 6
* 59 - 7
* 60 - 8
* 61 - 9
* 62 - _
* 63 - -