### @squirrel-forge/ui-util
> [Back to table of contents](../README.md#table-of-contents)

# Documentation
### Javascript / Number
> [Logic](Logic.md) <[ Number ]> [Object](Object.md)

## Table of contents
 - [convertBytes()](#convertbytes)
 - [gcd()](#gcd)
 - [isEven()](#iseven)
 - [isFloat()](#isfloat)
 - [leadingZeros()](#leadingzeros)
 - [rand()](#rand)
 - [round()](#round)

---

### convertBytes
convertBytes - Convert a byte number to another unit

#### Description
```javascript
convertBytes( bytes, decimals = 2, style = 1024, obj = false, forceUnit = null ) // string|Object
```
Converts a byte number to an auto fitting or defined size unit and returns a string or optionally an object with separated values.

#### Parameters
| Parameter     | Type    | Default | Description                                            |
|---------------|---------|:-------:|--------------------------------------------------------|
| **bytes**     | Number  |    -    | Number of bytes                                        |
| **decimals**  | Number  |    2    | How many decimals to display                           |
| **style**     | Number  |  1024   | Calculate bytes with 1024 or with 1000                 |
| **obj**       | Boolean |  false  | Whether to return an object with values                |
| **forceUnit** | String  |  null   | Force conversion to a specific unit, must fit to style |

#### Return Values
| Type/Value | Description                                    |
|------------|------------------------------------------------|
| **String** | Converted unit string 'X.X unit'               |
| **Object** | Value object { value : Number, unit : String } |

#### Examples
```javascript
convertBytes( 1048576 ); // 1.00 mib
```

---

### gcd
gcd - Get the common denominator

#### Description
```javascript
gcd( a, b ) // number
```
Get the common denominator of two numbers.

#### Parameters
| Parameter | Type   | Default | Description |
|-----------|--------|:-------:|-------------|
| **a**     | Number |    -    | Any integer |
| **b**     | Number |    -    | Any integer |

#### Return Values
| Type/Value | Description            |
|------------|------------------------|
| **Number** | The common denominator |

#### Examples
```javascript
gcd( 165, 425 ); // 5 
```

---

### isEven
isEven - Check for even number

#### Description
```javascript
isEven( num ) // boolean
```
Check if a number is an even number.

#### Parameters
| Parameter | Type   | Default | Description     |
|-----------|--------|:-------:|-----------------|
| **num**   | Number |    -    | Number to check |

#### Return Values
| Type/Value  | Description                |
|-------------|----------------------------|
| **Boolean** | True if the number is even |

#### Examples
```javascript
isEven( 28 ); // true
isEven( 3 ); // false
```

---

### isFloat
isFloat - Check for a float value

#### Description
```javascript
isFloat( num ) // boolean
```
Check if a number is a float value. 

#### Parameters
| Parameter | Type   | Default | Description     |
|-----------|--------|:-------:|-----------------|
| **num**   | Number |    -    | Number to check |

#### Return Values
| Type/Value  | Description                   |
|-------------|-------------------------------|
| **Boolean** | True if the number is a float |

#### Examples
```javascript
isFloat( 1.2 ); // true
isFloat( 2 ); // false
```

---

### leadingZeros
leadingZeros - Return a number with leading zeros

#### Description
```javascript
leadingZeros( num, length = 2 ) // string
```
Convert a number to a string with a fixed length with leading zeros. 

#### Parameters
| Parameter   | Type   | Default | Description            |
|-------------|--------|:-------:|------------------------|
| **num**     | Number |    -    | Number to prefix       |
| **length**  | Number |    2    | Expected result string |

#### Return Values
| Type/Value | Description                      |
|------------|----------------------------------|
| **String** | Number string with leading zeros |

#### Examples
```javascript
leadingZeros( 2 ); // '02'
```

---

### rand
rand - Random integer

#### Description
```javascript
rand( min, max ) // number
```
Get random integer.

#### Parameters
| Parameter | Type   | Default | Description   |
|-----------|--------|:-------:|---------------|
| **min**   | Number |    -    | Minimum value |
| **max**   | Number |    -    | Maximum value |

#### Return Values
| Type/Value | Description |
|------------|-------------|
| **Number** | Integer     |

#### Examples
```javascript
rand( 1, 10 ); // (1|2|3|4|5|6|7|8|9|10)
```

---

### Ratio
Ratio class - A ratio value class.

#### Class overview
```javascript
class Ratio  {
  static make( width, height = null, separator = ':' ) {} // string
  constructor( width, height = null, separator = ':' ) {}
  separator : String
  w : Number // Input width
  h : Number // Input height
  r : Number // Ratio value
  x : Number // Ratio width
  y : Number // Ratio height
  toString() {} // string
}
```
For more details check the [Ratio source file](../src/es6/Number/Ratio.js).

---

### round
round - Round value

#### Description
```javascript
round( value, decimals = 2 ) // number
```
Round value to specific decimals, default 2.

#### Parameters
| Parameter    | Type   | Default | Description        |
|--------------|--------|:-------:|--------------------|
| **value**    | Number |    -    | Number to round    |
| **decimals** | Number |    -    | Number of decimals |

#### Return Values
| Type/Value | Description         |
|------------|---------------------|
| **Number** | Rounded float value |

#### Examples
```javascript
round( 4.5678 ); // 4.57
```

---

> [Logic](Logic.md) <[ Number ]> [Object](Object.md)