fix(view:codeblock:markmap): Use ListIndex builder instead of headings

src/components/codeblocks/CodeblockMarkmap.svelte

@@ -1,5 +1,6 @@
 <script lang="ts">
 	import type { ICodeblock } from "src/codeblocks/schema";
+	import { ListIndex } from "src/commands/list_index";
 	import { Traverse, type EdgeTree } from "src/graph/traverse";
 	import {
 		get_edge_sorter,
@@ -9,7 +10,6 @@
 	import type { BreadcrumbsError } from "src/interfaces/graph";
 	import type BreadcrumbsPlugin from "src/main";
 	import { active_file_store } from "src/stores/active_file";
-	import { Markmap } from "src/utils/markmap";
 	import { onMount } from "svelte";
 	import MarkmapDiagram from "../Markmap/MarkmapDiagram.svelte";
 	import CopyToClipboardButton from "../button/CopyToClipboardButton.svelte";
@@ -79,9 +79,10 @@
 		}
 	};
 
-	$: markmap = Markmap.from_tree(tree, {
+	$: markmap = ListIndex.edge_tree_to_list_index(tree, {
+		...plugin.settings.commands.list_index.default_options,
 		show_node_options,
-		show_attributes: options?.["show-attributes"],
+		show_attributes: options["show-attributes"] ?? [],
 	});
 
 	onMount(update);

src/utils/markmap.ts

@@ -1,42 +1 @@
-import type { EdgeAttribute } from "src/graph/MyMultiGraph";
-import type { EdgeTree } from "src/graph/traverse";
-import type { ShowNodeOptions } from "src/interfaces/settings";
-import { Links } from "./links";
-import { untyped_pick } from "./objects";
-import { Paths } from "./paths";
-import { url_search_params } from "./url";
-
-type Options = {
-	show_attributes?: EdgeAttribute[];
-	show_node_options?: ShowNodeOptions;
-};
-
-const from_tree = (tree: EdgeTree[], options?: Options) => {
-	let markmap = "";
-
-	tree.forEach((item) => {
-		const hashes = "#".repeat(item.depth + 1);
-
-		const link = Links.ify(
-			item.edge.target_id,
-			Paths.show(item.edge.target_id, options?.show_node_options),
-			{ link_kind: "wiki" },
-		);
-
-		const attr = options?.show_attributes
-			? ` (${url_search_params(untyped_pick(item.edge.attr, options.show_attributes), { trim_lone_param: true })})`
-			: "";
-
-		markmap += `${hashes} ${link}${attr}\n\n`;
-
-		if (item.children.length) {
-			markmap += from_tree(item.children, options);
-		}
-	});
-
-	return markmap;
-};
-
-export const Markmap = {
-	from_tree,
-};
+export const Markmap = {};