60 lines
1.6 KiB
TypeScript
60 lines
1.6 KiB
TypeScript
import { jsx as h } from "astro/jsx-runtime";
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import { renderJSX } from "astro/runtime/server/jsx";
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import * as entities from "entities";
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import { transform } from "ultrahtml";
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import { __unsafeHTML } from "ultrahtml";
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import swap from "ultrahtml/transformers/swap";
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export function createComponentProxy(
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result,
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_components: Record<string, any> = {},
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) {
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const components = {};
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for (const [key, value] of Object.entries(_components)) {
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if (typeof value === "string") {
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components[key] = value;
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} else {
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components[key] = async (props, children) => {
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if (key === "CodeBlock" || key === "CodeSpan") {
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props.code = entities.decode(JSON.parse(`"${props.code}"`));
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}
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const output = await renderJSX(
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result,
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h(value, { ...props, "set:html": children.value }),
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);
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return __unsafeHTML(output);
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};
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}
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}
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return components;
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}
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function getIndent(ln: string): string {
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if (ln.trim() === ln) return "";
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return ln.slice(0, ln.length - ln.trim().length);
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}
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export function dedent(str: string): string {
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const lns = str.replace(/^[\r\n]+/, "").split("\n");
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let indent = getIndent(lns[0]);
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if (indent.length === 0 && lns.length > 1) {
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indent = getIndent(lns[1]);
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}
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return lns
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.map((ln) => (ln.startsWith(indent) ? ln.slice(indent.length) : ln))
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.map((ln, i, { length }) => (i === length - 1 ? ln.trim() : ln))
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.join("\n");
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}
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export interface HTMLOptions {
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// biome-ignore lint/complexity/noBannedTypes: <explanation>
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components?: {};
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}
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export async function html(
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input: string,
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opts: HTMLOptions = {},
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): Promise<string> {
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return transform(dedent(input), [swap(opts.components)]);
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}
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