28 lines
919 B
TypeScript
28 lines
919 B
TypeScript
import TurndownService from "turndown";
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/**
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* A turndown plugin overriding inbuilt image parsing behavior
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*
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* @param turndownService The TurndownService instance.
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*/
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export default function images(turndownService: TurndownService) {
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turndownService.addRule("image", {
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filter: "img",
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replacement(content, node) {
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// @ts-expect-error getAttribute exists
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const alt = cleanAttribute(node.getAttribute("alt"));
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// @ts-expect-error getAttribute exists
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const src = (node.getAttribute("src") || "").replace(/\n+/g, "");
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// @ts-expect-error getAttribute exists
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const title = cleanAttribute(node.getAttribute("title"));
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const titlePart = title ? ' "' + title + '"' : "";
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return src ? "![" + alt + "]" + "(" + src + titlePart + ")" : "";
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},
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});
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}
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function cleanAttribute(attribute: string) {
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return attribute ? attribute.replace(/(\n+\s*)+/g, "\n") : "";
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}
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