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node_modules/@11ty/eleventy/src/Plugins/HtmlRelativeCopyPlugin.js

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+import { HtmlRelativeCopy } from "../Util/HtmlRelativeCopy.js";
+
+// one HtmlRelativeCopy instance per entry
+function init(eleventyConfig, options) {
+	let opts = Object.assign(
+		{
+			extensions: "html",
+			match: false, // can be one glob string or an array of globs
+			paths: [], // directories to also look in for files
+			failOnError: true, // fails when a path matches (via `match`) but not found on file system
+			copyOptions: undefined,
+		},
+		options,
+	);
+
+	let htmlrel = new HtmlRelativeCopy();
+	htmlrel.setUserConfig(eleventyConfig);
+	htmlrel.addMatchingGlob(opts.match);
+	htmlrel.setFailOnError(opts.failOnError);
+	htmlrel.setCopyOptions(opts.copyOptions);
+
+	eleventyConfig.htmlTransformer.addUrlTransform(
+		opts.extensions,
+		function (targetFilepathOrUrl) {
+			// @ts-ignore
+			htmlrel.copy(targetFilepathOrUrl, this.page.inputPath, this.page.outputPath);
+
+			// TODO front matter option for manual copy
+			return targetFilepathOrUrl;
+		},
+		{
+			enabled: () => htmlrel.isEnabled(),
+			// - MUST run after other plugins but BEFORE HtmlBase plugin
+			priority: -1,
+		},
+	);
+
+	htmlrel.addPaths(opts.paths);
+}
+
+function HtmlRelativeCopyPlugin(eleventyConfig) {
+	// Important: if this is empty, no URL transforms are added
+	for (let options of eleventyConfig.passthroughCopiesHtmlRelative) {
+		init(eleventyConfig, options);
+	}
+}
+
+Object.defineProperty(HtmlRelativeCopyPlugin, "eleventyPackage", {
+	value: "@11ty/eleventy/html-relative-copy-plugin",
+});
+
+export { HtmlRelativeCopyPlugin };