14 lines
367 B
TypeScript
14 lines
367 B
TypeScript
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import type { Element, Root } from "hast";
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import { visit } from "unist-util-visit";
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export default function rehypeLazyImages() {
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return (tree: Root): void => {
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visit(tree, "element", (node: Element) => {
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if (node.tagName !== "img") return;
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node.properties ??= {};
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node.properties.loading ??= "lazy";
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node.properties.decoding ??= "async";
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});
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};
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}
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