42 lines
1.4 KiB
JavaScript
42 lines
1.4 KiB
JavaScript
import {html} from "../skooma.js"
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import {css, variable} from "../css.js"
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import {template} from "../template.js"
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document.head.append(html.link({rel: 'stylesheet', href: 'https://cdn.jsdelivr.net/gh/highlightjs/cdn-release@11.3.1/build/styles/github.min.css'}))
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import hljs from 'https://cdn.jsdelivr.net/gh/highlightjs/cdn-release@11.3.1/build/es/highlight.min.js';
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import javascript from 'https://cdn.jsdelivr.net/gh/highlightjs/cdn-release@11.3.1/build/es/languages/javascript.min.js';
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hljs.registerLanguage('javascript', javascript);
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const escapes = { ">": ">" }
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class CodeBlock extends HTMLElement {
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connectedCallback() {
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let content = this.innerHTML
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.replace(/^\s*\n/, "")
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.replace(/\n\s*$/, "")
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let prefix = new RegExp(`(?<![^\n])${content.match(/^\t*/)}`, "g")
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content = content
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.replace(prefix, "")
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.replace(/&[a-z]+;/g, str => escapes[str] ?? str)
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this.replaceChildren(html.pre(html.code(template(hljs.highlight(content, {language: 'javascript'}).value))))
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}
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}
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customElements.define("code-block", CodeBlock)
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document.head.append(html.style(css({
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'code-block': {
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code: {
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fontSize: CSS.em(1.2),
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padding: CSS.em(.6),
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borderRadius: CSS.em(.6),
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backgroundColor: "#efedff",
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boxShadow: [
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[...[.2, .2, .4].map(CSS.em), '#0000000a', 'inset'],
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[...[.2, .4, .6].map(CSS.em), '#0002'],
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],
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border: "none",
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tabSize: 3,
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display: "block",
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}
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}
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})))
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