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import debugUtil from "debug";
import matchHelper from "posthtml-match-helper";
const debug = debugUtil("Eleventy:Bundle");
const ATTRS = {
ignore: "eleventy:ignore",
bucket: "eleventy:bucket",
};
const POSTHTML_PLUGIN_NAME = "11ty/eleventy/html-bundle-plucker";
function hasAttribute(node, name) {
return node?.attrs?.[name] !== undefined;
}
function addHtmlPlucker(eleventyConfig, bundleManager) {
let matchSelector = bundleManager.getPluckedSelector();
if(!matchSelector) {
throw new Error("Internal error: missing plucked selector on bundle manager.");
}
eleventyConfig.htmlTransformer.addPosthtmlPlugin(
"html",
function (context = {}) {
let pageUrl = context?.url;
if(!pageUrl) {
throw new Error("Internal error: missing `url` property from context.");
}
return function (tree, ...args) {
tree.match(matchHelper(matchSelector), function (node) {
try {
// ignore
if(hasAttribute(node, ATTRS.ignore)) {
delete node.attrs[ATTRS.ignore];
return node;
}
if(Array.isArray(node?.content) && node.content.length > 0) {
// TODO make this better decoupled
if(node?.content.find(entry => entry.includes(`/*__EleventyBundle:`))) {
// preserve {% getBundle %} calls as-is
return node;
}
let bucketName = node?.attrs?.[ATTRS.bucket];
bundleManager.addToPage(pageUrl, [ ...node.content ], bucketName);
return { attrs: [], content: [], tag: false };
}
} catch(e) {
debug(`Bundle plucker: error adding content to bundle in HTML Assets: %o`, e);
return node;
}
return node;
});
};
},
{
// pluginOptions
name: POSTHTML_PLUGIN_NAME,
},
);
}
export { addHtmlPlucker };
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