Ts-utils NPM | npm.io

utils

##API

isObject

params:

some: any

returns boolean

example

import {isObject} from 'ts-utils';

isObject(1); //false
isObject({}); //true
isObject([]); //false

isEmpty

params:

some: any

returns boolean

example

import {isEmpty} from 'ts-utils';

isEmpty(0); //false
isEmpty(''); //false
isEmpty(null); //true
isEmpty(undefined); //true

isNotEmpty

params:

some: any

returns boolean

example

import {isNotEmpty} from 'ts-utils';

isNotEmpty(0); //true
isNotEmpty(''); //true
isNotEmpty(null); //false
isNotEmpty(undefined); //false

isString

params:

some: any

returns boolean

example

import {isString} from 'ts-utils';

isString(0); //false
isString(''); //true
isString(new String('')); //true

isNumber

params:

some: any

returns boolean

example

import {isNumber} from 'ts-utils';

isNumber(0); //true
isNumber(new Number(0)); //true
isNumber(''); //false

isArray

params:

some: any

returns boolean

example

import {isArray} from 'ts-utils';

isArray(0); //false
isArray([]); //true
isArray({}); //false

isNull

params:

some: any

returns boolean

example

import {isArray} from 'ts-utils';

isArray(0); //false
isArray(null); //true
isArray(undefined); //false

isUndefined

params:

some: any

returns boolean

example

import {isUndefined} from 'ts-utils';

isUndefined(0); //false
isUndefined(undefined); //true
isUndefined(null); //false

isNaN

params:

some: any

returns boolean

example

import {isNaNCheck} from 'ts-utils';

isNaNCheck(0); //false
isNaNCheck(NaN); //true
isNaNCheck(null); //false
isNaNCheck(undefined); //false

isFunction

params:

some: any

returns boolean

example

import {isFunction} from 'ts-utils';

isFunction(0); //false
isFunction(''.trim); //true
isFunction(null); //false
isFunction(undefined); //false

numToLength

params:

num: number
len: number

returns string

example

import {numToLength} from 'ts-utils';

numToLength(1, 2); //'01'
numToLength(1, 3); //'001'
numToLength(110, 3); //'110'

round

params:

num: number
len?: number (default = 2)

returns string

example

import {round} from 'ts-utils';

round(1.12213); //1.12
round(1.1239, 3); //1.124

splitRange

params:

num: number
options?: {nbsp?: boolean; separator?: string}

returns string

example

import {splitRange} from 'ts-utils';

splitRange(1000); //'1 000'
splitRange(1000.22); //'1 000.22'
splitRange(1000.22, {separator: ','}); //'1 000,22'

each

params:

someObject: Object,
callback: (value?: any, key?: string) => any //Iterator

returns void

example

import {each} from 'ts-utils';

let names = [];
each({a: 1, b: 2}, (value: number, key: string) => {
  names.push(key);
});
console.log(names); //['a', 'b']

some

params:

someObject: Object,
callback: (value?: any, key?: string) => boolean //Iterator

returns boolean

example

import {some} from 'ts-utils';

some({a: 1, b: 2}, (value: number, key: string) => {
  return key === 'b';
}); //true

API filters

not

params:

processor?: (data: any) => any;

returns (data: any): boolean

example

import {not} from 'ts-utils';

let filter = not((some: any) => some === 5 ? false : some);

filter(1) //false
filter(4) //false
filter(0) //true
filter('') //true
filter(5) //true

empty

prams:

options?: { skipNumber?: boolean; skipString?: boolean; skipNotEmpty?: boolean; skipNull?: boolean; skipUndefined?: boolean; }

returns (data: any): boolean;

example

import {empty} from 'ts-utils';

let filter = empty();

filter('') //false;
filter(0) //false;
filter(null) //false;
filter(1) //true;
filter({}) //true;

let filter = empty({skipNull: true});

filter('') //false;
filter(0) //false;
filter(null) //true;
filter(1) //true;

let filter = empty({skipNumber: true});
 
filter('') //false;
filter(0) //true;
filter(null) //false;
filter(1) //true;
 
let filter = empty({skipNumber: true});
   
filter('') //false;
filter(0) //true;
filter(null) //false;
filter(1) //true;

let filter = empty({skipNotEmpty: true});
   
filter('') //true;
filter(0) //true;
filter(null) //false;

 
### contains
params: 
* data: Object

returns (data: any): boolean;

```typescript
import {contains} from 'ts-utils';

let filter = contains({id: 1});

filter(1) //false
filter({a: 1}) //false
filter({id: 1}) //true

[{id: 2}, {id: 1}, {id: 3}].filter(filter) // [{id: 1}];

notContains

params:

data: Object

returns (data: any): boolean;

import {notContains} from 'ts-utils';

let filter = notContains({id: 1});

filter(1) //true
filter({a: 1}) //true
filter({id: 1}) //false

[{id: 2}, {id: 1}, {id: 3}].filter(filter) // [{id: 2}, {id: 3}];

roundFilter

params:

data: number

returns (data: number): number;

import {roundFilter} from 'ts-utils';

let filter = roundFilter(3);

filter(1) //1
filter(22.22) //22.22
filter(22.226) //22.23

roundFilter

params:

data: {nbsp: boolean; separator: string}
[processor]: (data: any): number

returns (data: number): string;

import {roundFilter} from 'ts-utils';

let filter = roundFilter({separator: ','});

filter(2222.22) // 2 222,22

let filter = roundFilter({separator: '.'});
filter(2222.22) // 2 222.22

roundSplit

params:

len: number
data: {nbsp: boolean; separator: string}

returns (data: number): string;

import {roundSplit} from 'ts-utils';

let filter = roundSplit({separator: ','});

filter(2222.22) // 2 222,22

let filter = roundFilter({separator: '.'});
filter(2222.22) // 2 222.22