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/** |
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* It's a standalone module that injects given data to the player markup right before the player initialization |
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* This module can be used to show a preview of a template on realtime with the user's given data |
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*/ |
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|
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/** |
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* Fill the image based on type on box |
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* @param {String} type type of fit cover or contain |
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* @param {number} boxW box width |
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* @param {number} boxH box height |
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* @param {number} width media width |
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* @param {number} height media width |
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*/ |
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const fitToBox = (type, boxW, boxH, width, height) => { |
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const wr = boxW / width; |
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const hr = boxH / height; |
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const ratio = type === 'cover' ? Math.max(wr, hr) : Math.min(wr, hr); |
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|
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return { |
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width: width * ratio, |
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height: height * ratio, |
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}; |
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}; |
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|
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const parseJSONAttr = (value) => { |
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try { |
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return JSON.parse(value.replace(/'/g, '"')); |
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} catch { |
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console.warn('Given data value is not a valid JSON, skipped. \n ' + value); |
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} |
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|
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return null; |
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}; |
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|
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const calcCropSize = (size, element) => { |
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// has crop data |
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if (element.dataset.crop) { |
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const cropData = parseJSONAttr(element.dataset.crop); |
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const { |
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mediaSize: { width: mw, height: mh }, |
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} = cropData; |
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const { width, height } = size; |
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cropData.mediaSize = fitToBox('cover', mw, mh, width, height); |
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element.dataset.crop = JSON.stringify(cropData).replace('"', "'"); |
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} |
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}; |
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|
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const replaceImg = (src, size, element) => { |
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calcCropSize(size, element); |
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delete element.dataset.depicterSrcset; |
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element.dataset.depicterSrc = src; |
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|
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delete element.dataset.srcset; |
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element.dataset.src = src; |
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}; |
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|
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const replacePicture = (src, size, element) => { |
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calcCropSize(size, element); |
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const img = element.querySelector('img'); |
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delete img.dataset.depicterSrcset; |
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img.dataset.depicterSrc = src; |
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element.querySelectorAll('source')?.forEach((el) => { |
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el.remove(); |
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}); |
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}; |
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|
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const replaceImages = (pattern, targetElement) => { |
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Object.entries(pattern).forEach(([className, { src, size }]) => { |
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targetElement.querySelectorAll('.' + className)?.forEach((element) => { |
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if (element.tagName === 'IMG') { |
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replaceImg(src, size, element); |
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} else if (element.tagName === 'PICTURE') { |
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replacePicture(src, size, element); |
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} else if (element.tagName === 'DIV' || element.classList.contains('depicter-section')) { |
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const targetEl = element.querySelector('img.depicter-bg'); |
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if (targetEl) replaceImg(src, size, targetEl); |
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|
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if (!targetEl) { |
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// check for background image |
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const bgEl = element.querySelector('picture.depicter-bg'); |
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if (bgEl) replacePicture(src, size, bgEl); |
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} |
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} |
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}); |
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}); |
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}; |
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|
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const replaceContent = (pattern, targetElement) => { |
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Object.entries(pattern).forEach(([className, content]) => { |
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targetElement.querySelectorAll('.' + className)?.forEach((element) => { |
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element.innerHTML = content; |
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}); |
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}); |
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}; |
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|
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const replaceColors = (pattern, targetElement = document.documentElement) => { |
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Object.entries(pattern).forEach(([color, value]) => { |
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targetElement.style.setProperty(color, value); |
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}); |
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}; |
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|
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window.depicterInjector = (target) => { |
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const targetElement = document.querySelector(target); |
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window.addEventListener('message', (event) => { |
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const { data } = event; |
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|
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switch (data.action) { |
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case 'replaceContent': |
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replaceContent(data.pattern, targetElement); |
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break; |
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case 'replaceImages': |
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replaceImages(data.pattern, targetElement); |
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break; |
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case 'replaceColors': |
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replaceColors(data.pattern); |
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break; |
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case 'init': |
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window.Depicter.initAll(); |
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break; |
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default: |
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break; |
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} |
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}); |
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}; |
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|
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// disable auto Depicter init |
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window.DepicterDisableAutoInit = true; |
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