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