41 lines
886 B
JavaScript
41 lines
886 B
JavaScript
class CodeBlockComponent extends HTMLElement {
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connectedCallback() {
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const trimmed = this.innerHTML.trim();
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const lang = this.getAttribute("language");
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const inline = this.getAttribute("inline") !== null;
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this.innerHTML = `
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<pre><code id="code">${trimmed}</code></pre>
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`;
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/**
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* @type {HTMLPreElement}
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*/
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const pre = this.querySelector("pre");
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if (lang) {
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pre.className = `language-${lang}`;
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}
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/**
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* @type {Partial<CSSStyleDeclaration>}
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*/
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const style = {
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background: "#f5f2f0",
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padding: "1em",
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margin: "1em 0",
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fontSize: "large",
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overflow: "auto",
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borderRadius: "5px",
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};
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if (inline) {
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style.display = "inline";
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style.padding = "0.25em 0.3em";
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}
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Object.keys(style).forEach((rule) => {
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pre.style[rule] = style[rule];
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});
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}
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}
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