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export const utils = { |
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/** |
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* did element has class name |
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* |
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* @param element |
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* @param className |
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* @returns {boolean} |
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*/ |
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hasClass: (element, className) => { |
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return element.classList ? element.classList.contains(className) : new RegExp('\\b' + className + '\\b').test(element.className); |
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}, |
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/** |
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* add class to the element |
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* |
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* @param element |
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* @param className |
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*/ |
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addClass: (element, className) => { |
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if (element.classList) { |
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element.classList.add(className); |
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} else if (!this.hasClass(element, className)) { |
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element.className += '' + className; |
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} |
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}, |
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/** |
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* remove class from the element |
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* |
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* @param element |
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* @param className |
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*/ |
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removeClass: (element, className) => { |
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if (element.classList) { |
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element.classList.remove(className); |
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} else { |
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element.className = element.className.replace(new RegExp('\\b' + className + '\\b', 'g'), ''); |
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} |
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}, |
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/** |
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* function will generate random id string only |
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* |
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* @returns {string} |
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*/ |
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randomId: () => { |
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return (0 | Math.random() * 9e6).toString(36); |
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}, |
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/** |
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* escape html entities |
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* |
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* @param text |
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* @returns {*} |
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*/ |
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escapeEntity: (text) => { |
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return text.replace(/&/g, '&') |
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.replace(/>/g, '>') |
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.replace(/</g, '<') |
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.replace(/"/g, '"') |
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.replace(/'/g, ''') |
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.replace(/`/g, '`'); |
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}, |
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/** |
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* convert escaped html entities to symbols |
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* |
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* @param text |
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* @returns {*} |
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*/ |
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convertEntity: (text) => { |
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const span = document.createElement('span'); |
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return text |
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.replace(/&[#A-Za-z0-9]+;/gi, (entity) => { |
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span.innerHTML = entity; |
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return span.innerText; |
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}); |
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}, |
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/** |
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* function rendering given template within options included. Example |
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* how to right use this function: |
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* |
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* const template = (picture, pictures) => utils.render` |
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* <img src="${picture}" /> |
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* |
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* ${pictures.map(item => utils.render` |
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* <img src="${item.source}" alt="${item.alt}" /> |
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* `)} |
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* ` |
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* |
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* template(options.picture, options.pictures); // return string |
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* |
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* @param sections |
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* @param substitutes |
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* @returns {string} |
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*/ |
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render: (sections, ...substitutes) => { |
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let raw = sections.raw; |
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let result = ''; |
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substitutes.forEach((substitute, i) => { |
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let lit = raw[i]; |
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if (Array.isArray(substitute)) { |
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substitute = substitute.join(''); |
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} |
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if (lit.endsWith('$')) { |
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subst = this.escapeEntity(substitute); |
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lit = lit.slice(0, -1); |
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} |
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result += lit; |
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result += substitute; |
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}); |
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result += raw[raw.length - 1]; |
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return result; |
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} |
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}; |
Pixelneat /
silverstripe-content-blocks
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