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import { ContentImage } from "$/ui/objects/ContentImage.tsx";
import { type Node, type DefaultInlineNode } from "./schema.ts";
export function walkBlocks(
content: (Node | DefaultInlineNode)[],
fn: (_: Node | DefaultInlineNode) => unknown,
): void {
for (const node of content) {
fn(node);
switch (node.type) {
case "heading":
case "code":
case "quote":
case "paragraph":
case "list":
case "list-item":
case "link": {
return walkBlocks(node.children, fn);
}
}
}
}
function blocksNodeToTSX(node: Node | DefaultInlineNode) {
switch (true) {
case node.type === "heading": {
switch (node.level) {
case 1:
return <h1>{blocksToTSX(node.children)}</h1>;
case 2:
return <h2>{blocksToTSX(node.children)}</h2>;
case 3:
return <h3>{blocksToTSX(node.children)}</h3>;
case 4:
return <h4>{blocksToTSX(node.children)}</h4>;
case 5:
return <h5>{blocksToTSX(node.children)}</h5>;
default:
return <h6>{blocksToTSX(node.children)}</h6>;
}
}
case node.type === "image" && !!node.image.caption: {
return (
<figure>
<ContentImage src={node.image.url} alt={node.image.alternativeText ?? undefined} />
<figcaption>{node.image.caption}</figcaption>
</figure>
);
}
case node.type === "image": {
return <ContentImage src={node.image.url} alt={node.image.alternativeText ?? undefined} />;
}
case node.type === "code": {
return (
<pre>
<code>{blocksToTSX(node.children)}</code>
</pre>
);
}
case node.type === "quote": {
return <blockquote>{blocksToTSX(node.children)}</blockquote>;
}
case node.type === "paragraph" &&
node.children.length === 1 &&
node.children[0]?.type === "text" &&
node.children[0].text === "---": {
return <hr />;
}
case node.type === "paragraph": {
return <p>{blocksToTSX(node.children)}</p>;
}
case node.type === "list" && node.format === "ordered": {
return <ol>${blocksToTSX(node.children)}</ol>;
}
case node.type === "list": {
return <ul>${blocksToTSX(node.children)}</ul>;
}
case node.type === "list-item": {
return <li>${blocksToTSX(node.children)}</li>;
}
case node.type === "link": {
return <a href={node.url}>{blocksToTSX(node.children)}</a>;
}
case node.type === "text": {
return [
node.bold ? "strong" : undefined,
node.code ? "code" : undefined,
node.italic ? "em" : undefined,
node.strikethrough ? "del" : undefined,
node.underline ? "u" : undefined,
].reduce((res: JSX.Element, Tag) => (Tag ? <Tag>{res}</Tag> : res), node.text);
}
}
}
export function blocksToTSX(
content: (Node | DefaultInlineNode)[],
filter: (node: Node | DefaultInlineNode) => boolean = () => true,
): JSX.Element {
return content
.filter(filter)
.map(blocksNodeToTSX)
.filter((s) => s !== undefined);
}
export const Blocks = ({
content,
filter = () => true,
}: {
content: (Node | DefaultInlineNode)[];
filter?: (node: Node | DefaultInlineNode) => boolean;
}) => blocksToTSX(content, filter);
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