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import camelCaseToDash from '../../utils/camel-case-to-dash'; |
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import { maybeDecode } from '../../utils/encode-decode'; |
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|
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const cssPropsWithPixels = [ |
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'border-top-width', |
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'border-right-width', |
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'border-bottom-width', |
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'border-left-width', |
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'border-width', |
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'border-bottom-left-radius', |
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'border-bottom-right-radius', |
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'border-top-left-radius', |
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'border-top-right-radius', |
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'border-radius', |
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'bottom', |
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'top', |
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'left', |
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'right', |
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'font-size', |
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'height', |
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'width', |
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'min-height', |
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'min-width', |
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'max-height', |
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'max-width', |
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'margin-left', |
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'margin-right', |
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'margin-top', |
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'margin-bottom', |
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'margin', |
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'padding-left', |
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'padding-right', |
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'padding-top', |
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'padding-bottom', |
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'padding', |
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'outline-width', |
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]; |
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|
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/** |
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* Get styles from object. |
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* |
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* @param {Object} data - styles data. |
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* @param {string} selector - current styles selector (useful for nested styles). |
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* @param {boolean} escape - escape strings to save in database. |
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* @return {string} - ready to use styles string. |
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*/ |
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export default function getStyles(data = {}, selector = '', escape = true) { |
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const result = {}; |
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let resultCSS = ''; |
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|
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// add styles. |
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Object.keys(data).forEach((key) => { |
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// object values. |
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if (data[key] !== null && typeof data[key] === 'object') { |
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// media for different screens |
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if (/^media_/.test(key)) { |
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resultCSS += `${ |
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resultCSS ? ' ' : '' |
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}@media #{ghostkitvar:${key}} { ${getStyles( |
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data[key], |
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selector, |
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escape |
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)} }`; |
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|
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// @supports css |
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} else if (/^@supports/.test(key)) { |
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resultCSS += `${resultCSS ? ' ' : ''}${key} { ${getStyles( |
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data[key], |
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selector, |
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escape |
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)} }`; |
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|
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// nested selectors. |
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} else { |
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let nestedSelector = selector; |
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|
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if (nestedSelector) { |
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if (key.indexOf('&') !== -1) { |
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nestedSelector = key.replace(/&/g, nestedSelector); |
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} else { |
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nestedSelector = `${nestedSelector} ${key}`; |
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} |
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} else { |
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nestedSelector = key; |
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} |
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|
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resultCSS += |
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(resultCSS ? ' ' : '') + |
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getStyles(data[key], nestedSelector, escape); |
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} |
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|
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// style properties and values. |
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} else if (typeof data[key] !== 'undefined' && data[key] !== false) { |
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// fix selector > and < usage. |
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if (escape) { |
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selector = selector.replace(/>/g, '>'); |
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selector = selector.replace(/</g, '<'); |
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} |
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|
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if (!result[selector]) { |
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result[selector] = ''; |
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} |
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|
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const isCustom = key === 'custom'; |
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const propName = camelCaseToDash(key); |
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let propValue = data[key]; |
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|
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// Prepare custom styles as text. |
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if (isCustom) { |
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if ( |
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typeof propValue !== 'undefined' && |
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propValue !== '' && |
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selector |
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) { |
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if (!result.custom) { |
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result.custom = ''; |
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} else { |
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result.custom += ' '; |
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} |
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|
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result.custom += `${maybeDecode(propValue).replace( |
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/selector/g, |
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selector |
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)}`; |
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} |
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|
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// Prepare styles from props. |
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} else { |
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const withImportant = / !important$/.test(propValue); |
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if (withImportant) { |
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propValue = propValue.replace(/ !important$/, ''); |
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} |
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|
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// add pixels. |
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if ( |
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// Ensure that value is number, or string, which contains numbers. |
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((typeof propValue === 'number' && propValue !== 0) || |
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(typeof propValue === 'string' && |
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propValue && |
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/^[0-9.-]*$/.test(propValue))) && |
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// Unsure that property support units. |
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// For example, we should not add pixes to z-index. |
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cssPropsWithPixels.includes(propName) |
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) { |
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propValue += 'px'; |
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} |
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|
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// add custom css. |
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if (typeof propValue !== 'undefined' && propValue !== '') { |
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if (withImportant) { |
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propValue += ' !important'; |
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} |
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|
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result[selector] += ` ${propName}: ${propValue};`; |
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} |
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} |
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} |
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}); |
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|
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// add styles to selectors. |
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Object.keys(result).forEach((key) => { |
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if (key === 'custom') { |
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resultCSS = `${result[key]}${resultCSS ? ` ${resultCSS}` : ''}`; |
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} else { |
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resultCSS = `${key} {${result[key]} }${ |
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resultCSS ? ` ${resultCSS}` : '' |
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}`; |
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} |
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}); |
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|
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return resultCSS; |
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} |
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|
