big ol copy

eleventy.config.js

@@ -1,11 +1,13 @@
 import { HtmlBasePlugin } from "@11ty/eleventy";
 import { eleventyImageTransformPlugin } from "@11ty/eleventy-img";
+import pluginNavigation from "@11ty/eleventy-navigation";
 
 import { attrs } from "@mdit/plugin-attrs";
 import { markdownitLinkAttributes } from 'markdown-it-link-attributes';
 import markdownitIdAttributes from "markdown-it-anchor";
 
 import path from "node:path";
+import { chunk } from "lodash-es";
 
 import pluginFilters from "./_config/filters.js";
 
@@ -43,6 +45,32 @@ export default async function (eleventyConfig) {
 		bundleHtmlContentFromSelector: "script",
 	});
 
+	/* Paginate tags */
+	eleventyConfig.addCollection("doublePagination", function(collection) {
+		// Get unique list of tags
+		let tagSet = new Set(collection.getAllSorted().flatMap((post) => post.data.tags || []));
+
+		// Get each item that matches the tag
+		let paginationSize = 20;
+		let tagMap = [];
+		let tagArray = [...tagSet];
+		for( let tagName of tagArray) {
+			let tagItems = collection.getFilteredByTag(tagName);
+			let pagedItems = chunk(tagItems.reverse(), paginationSize);			// console.log( tagName, tagItems.length, pagedItems.length );
+			for( let pageNumber = 0, max = pagedItems.length; pageNumber < max; pageNumber++) {
+				tagMap.push({
+					tagName: tagName,
+					pageNumber: pageNumber,
+					pageSize: pagedItems.length,
+					pageData: pagedItems[pageNumber]
+				});
+			}
+		}
+
+		//console.log( tagMap );
+		return tagMap;
+	});
+
 	/* Passthroughs */
 	eleventyConfig
 		.addPassthroughCopy("favicon.ico")
@@ -76,6 +104,9 @@ export default async function (eleventyConfig) {
 		},
 	});
 
+	/* Navigation */
+	eleventyConfig.addPlugin(pluginNavigation);
+
 	/* All filters from _config/filters.js */
 	eleventyConfig.addPlugin(pluginFilters);