8000 feat: add existing utilities · coreui/coreui-utils@25a0def · GitHub
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woothuwoothu
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feat: add existing utilities
1 parent d4dde10 commit 25a0def

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‎src/deep-objects-merge.js

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const deepObjectsMerge = (target, source) => {
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// Iterate through `source` properties and if an `Object` set property to merge of `target` and `source` properties
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for (const key of Object.keys(source)) {
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if (source[key] instanceof Object) {
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Object.assign(source[key], deepObjectsMerge(target[key], source[key]))
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}
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}
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// Join `target` and modified `source`
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Object.assign(target || {}, source)
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return target
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}
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export default deepObjectsMerge

‎src/get-color.js

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import getStyle from './get-style'
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const getColor = (rawProperty, element = document.body) => {
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const property = `--${rawProperty}`
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const style = getStyle(property, element)
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return style ? style : rawProperty
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}
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export default getColor

‎src/get-css-custom-properties.js

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/**
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* --------------------------------------------------------------------------
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* Licensed under MIT (https://coreui.io/license)
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* @returns {string} css custom property name
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* --------------------------------------------------------------------------
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*/
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const getCssCustomProperties = () => {
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const cssCustomProperties = {}
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const sheets = document.styleSheets
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let cssText = ''
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for (let i = sheets.length - 1; i > -1; i--) {
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const rules = sheets[i].cssRules
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for (let j = rules.length - 1; j > -1; j--) {
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if (rules[j].selectorText === '.ie-custom-properties') {
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// eslint-disable-next-line prefer-destructuring
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cssText = rules[j].cssText
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break
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}
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}
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if (cssText) {
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break
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}
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}
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// eslint-disable-next-line unicorn/prefer-string-slice
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cssText = cssText.substring(
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cssText.lastIndexOf('{') + 1,
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cssText.lastIndexOf('}')
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)
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cssText.split(';').forEach(property => {
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if (property) {
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const name = property.split(': ')[0]
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const value = property.split(': ')[1]
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if (name && value) {
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cssCustomProperties[`--${name.trim()}`] = value.trim()
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}
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}
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})
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return cssCustomProperties
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}
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export default getCssCustomProperties

‎src/get-style.js

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import getCssCustomProperties from './get-css-custom-properties'
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const minIEVersion = 10
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const isIE1x = () => Boolean(document.documentMode) && document.documentMode >= minIEVersion
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const isCustomProperty = property => property.match(/^--.*/i)
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const getStyle = (property, element = document.body) => {
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let style
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if (isCustomProperty(property) && isIE1x()) {
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const cssCustomProperties = getCssCustomProperties()
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style = cssCustomProperties[property]
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} else {
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style = window.getComputedStyle(element, null).getPropertyValue(property).replace(/^\s/, '')
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}
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return style
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}
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export default getStyle

‎src/hex-to-rgb.js

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/* eslint-disable no-magic-numbers */
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const hexToRgb = color => {
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if (typeof color === 'undefined') {
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throw new TypeError('Hex color is not defined')
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}
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const hex = color.match(/^#(?:[0-9a-f]{3}){1,2}$/i)
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if (!hex) {
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throw new Error(`${color} is not a valid hex color`)
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}
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let r
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let g
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let b
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if (color.length === 7) {
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r = parseInt(color.slice(1, 3), 16)
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g = parseInt(color.slice(3, 5), 16)
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b = parseInt(color.slice(5, 7), 16)
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} else {
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r = parseInt(color.slice(1, 2), 16)
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g = parseInt(color.slice(2, 3), 16)
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b = parseInt(color.slice(3, 5), 16)
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}
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return `rgba(${r}, ${g}, ${b})`
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}
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export default hexToRgb

‎src/hex-to-rgba.js

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/* eslint-disable no-magic-numbers */
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const hexToRgba = (color, opacity = 100) => {
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if (typeof color === 'undefined') {
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throw new TypeError('Hex color is not defined')
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}
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const hex = color.match(/^#(?:[0-9a-f]{3}){1,2}$/i)
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if (!hex) {
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throw new Error(`${color} is not a valid hex color`)
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}
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let r
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let g
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let b
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if (color.length === 7) {
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r = parseInt(color.slice(1, 3), 16)
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g = parseInt(color.slice(3, 5), 16)
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b = parseInt(color.slice(5, 7), 16)
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} else {
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r = parseInt(color.slice(1, 2), 16)
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g = parseInt(color.slice(2, 3), 16)
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b = parseInt(color.slice(3, 5), 16)
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}
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return `rgba(${r}, ${g}, ${b}, ${opacity / 100})`
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}
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export default hexToRgba

‎src/index.js

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import deepObjectsMerge from './deep-objects-merge'
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import getColor from './get-color'
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import getStyle from './get-style'
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import hexToRgb from './hex-to-rgb'
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import hexToRgba from './hex-to-rgba'
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import rgbToHex from './rgb-to-hex'
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export {
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deepObjectsMerge,
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getColor,
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getStyle,
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hexToRgb,
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hexToRgba,
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rgbToHex
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}

‎src/rgb-to-hex.js

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/* eslint-disable no-magic-numbers */
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const rgbToHex = color => {
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if (typeof color === 'undefined') {
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throw new TypeError('Hex color is not defined')
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}
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if (color === 'transparent') {
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return '#00000000'
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}
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const rgb = color.match(/^rgba?[\s+]?\([\s+]?(\d+)[\s+]?,[\s+]?(\d+)[\s+]?,[\s+]?(\d+)[\s+]?/i)
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if (!rgb) {
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throw new Error(`${color} is not a valid rgb color`)
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}
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const r = `0${parseInt(rgb[1], 10).toString(16)}`
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const g = `0${parseInt(rgb[2], 10).toString(16)}`
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const b = `0${parseInt(rgb[3], 10).toString(16)}`
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return `#${r.slice(-2)}${g.slice(-2)}${b.slice(-2)}`
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}
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export default rgbToHex

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