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WYSWIYG code blocks: copied head styles into shadow root
Currently only link-based styles are made available in the shadow root code editor environment, this adds normal styles to apply any user-added via custom head content. Fixes #4228
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@ -53,8 +53,8 @@ function defineCodeBlockCustomElement(editor) {
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super();
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this.attachShadow({mode: 'open'});
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const stylesToCopy = document.querySelectorAll('link[rel="stylesheet"]:not([media="print"])');
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const copiedStyles = Array.from(stylesToCopy).map(styleEl => styleEl.cloneNode(false));
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const stylesToCopy = document.head.querySelectorAll('link[rel="stylesheet"]:not([media="print"]),style');
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const copiedStyles = Array.from(stylesToCopy).map(styleEl => styleEl.cloneNode(true));
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const cmContainer = document.createElement('div');
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cmContainer.style.pointerEvents = 'none';
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