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ui-utils

v1.2.0

Published

A library of common interface and performant utilities.

Downloads

145

Readme

UI Utilities

A small ES6 library of common utility functions.

Use

Install

npm install ui-utils --save

Import

import { each } from 'ui-utils';

API

camelToDash()

Convert camelCase strings to dash-case

camelToDash('camelCase'); // 'camel-case'

currentTime()

Get current page timestamp

Uses performance.now() if available, falls back to Date().

createBuffer()

Create a buffer array

Create a FIFO buffer array. Default maximum size is 3 items.

Currently only push checks for maximum size.

Set maximum size
const buffer = createBuffer(2);
buffer.push(1, 2, 3);
buffer[1]; // 3

each()

Iterate over an object

function callback(value, key, fullObject) {}

each(object, callback);

Checks for hasOwnProperty before firing callback.

hasChanged()

Compare two iterations of the same object and return true if different

const a = { foo: 1 };
const b = { foo: 1 };
const c = { foo: 2 };

hasChanged(a, b); // false
hasChanged(a, c); // true

isArray()

Check if provided variable is an array

isArray([]); // true
isArray(''); // false

isFunc()

Check if provided variable is a function

isFunc(function () {}); // true
isFunc(''); // false

isNum()

Check if provided variable is a number

isNum(0); // true
isNum(''); // false

isObj()

Check if provided variable is an object

isObj({}); // true
isObj(''); // false

isRelativeValue()

Check if provided variable is a relative value

isRelativeValue('+=200'); // true
isRelativeValue('200'); // false

isString()

Check if provided variable is a string

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

toDecimal()

Round number to x decimal places

const pi = 3.14159265359;

toDecimal(pi); // 3.14
toDecimal(pi, 5); // 3.14159

splitValueUnit()

Split a value with a unit into an object with value and unit props

splitValueUnit('200px');
/*
    Returns: {
        value: 200,
        unit: 'px'
    }
*/