npm install b3bbuffer convert util
```
ArrayBuffer -------- Buffer
\ /
\ /
---- base64 -----
- #### 0
- file:
buffer convert util
- author:
junmer
- description:
ArrayBuffer / Buffer / base64 convert util
- #### ab2b (alias: arrayBufferToBuffer )
convert arrayBuffer to buffer
- param: ab { _ArrayBuffer_ }
arrayBuffer
- return: { _buffer_ }
buffer
- #### b2ab (alias: bufferToArrayBuffer )
convert buffer to arrayBuffer
- param: buffer { _buffer_ }
buffer
- return: { _ArrayBuffer_ }
arrayBuffer
- #### a2b (alias: base64ToBuffer )
convert base64 string to buffer
- param: str { _string_ }
base64 string
- return: { _Buffer_ }
buffer
- #### b2a (alias: bufferToBase64 )
convert buffer to base64 string
- param: str { _string|Buffer_ }
string or buffer
- return: { _string_ }
base64 string
- #### b2b (alias: bytesToBase64 )
convert arraybuffer to base64 string
- param: ab` { _ArrayBuffer|Array_ }
ArrayBuffer or Array
- return: { _string_ }
base64 string