dtype
Determines the underlying data type of an input value.
Installation
$ npm install compute-dtype
For use in the browser, use browserify.
Usage
var dtype = ;
dtype( value )
Determines the underlying data type of an input value
.
var dt = ;// returns 'int16'dt = ;// returns 'boolean'
The following input values are supported:
Value | Data Type |
---|---|
undefined |
undefined |
null |
null |
true|false |
boolean |
<number> |
number |
<string> |
string |
<symbol> |
symbol |
<function> |
function |
Buffer |
binary |
ArrayBuffer |
binary |
Int8Array |
int8 |
Uint8Array |
uint8 |
Uint8ClampedArray |
uint8_clamped |
Int16Array |
int16 |
Uint16Array |
uint16 |
Int32Array |
int32 |
Uint32Array |
uint32 |
Float32Array |
float32 |
Float64Array |
float64 |
Array |
generic |
Other | generic |
Note: values created using String
, Boolean
, and Number
constructors are Objects
and considered generic
.
Examples
var dtype = ;console;// returns 'null'console;// returns 'undefined'console;// returns 'boolean'console;// returns 'number'console;// returns 'string'console;// returns 'function'console;// returns 'int8'console;// returns 'float64'console;// returns 'binary'console;// returns 'generic'console;// returns 'generic'console;// returns 'generic'console;// returns 'generic'console;// returns 'generic'
To run the example code from the top-level application directory,
$ node ./examples/index.js
Tests
Unit
Unit tests use the Mocha test framework with Chai assertions. To run the tests, execute the following command in the top-level application directory:
$ make test
All new feature development should have corresponding unit tests to validate correct functionality.
Test Coverage
This repository uses Istanbul as its code coverage tool. To generate a test coverage report, execute the following command in the top-level application directory:
$ make test-cov
Istanbul creates a ./reports/coverage
directory. To access an HTML version of the report,
$ make view-cov
License
Copyright
Copyright © 2015. The Compute.io Authors.