refactor: Convert to TypeScript, PNPM, add tsup, update configs (#2)

.gitignore

@@ -1 +1,3 @@
 node_modules/
+.DS_Store
+dist/

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+  "editor.defaultFormatter": "biomejs.biome"
+}

CHANGELOG.md

@@ -4,6 +4,13 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [2.1.0] - 2024-08-09
+### Changed
+- Converted to TypeScript [PR #2](https://github.com/avgvstvs96/remark-sectionize/pull/2) by @AVGVSTVS96
+- Converted to PNPM [PR #2](https://github.com/avgvstvs96/remark-sectionize/pull/2) by @AVGVSTVS96
+- Add Biome for linting and formatting [PR #2](https://github.com/avgvstvs96/remark-sectionize/pull/2) by @AVGVSTVS96
+- Update package.json [PR #2](https://github.com/avgvstvs96/remark-sectionize/pull/2) by @AVGVSTVS96
+
 ## [2.0.0] - 2023-04-17
 ### Changed
 - Use ESM instead of CommonJS (thanks @Dahmon for the [PR](https://github.com/jake-low/remark-sectionize/pull/12))

README.md

@@ -1,5 +1,7 @@
 
-> This is a fork of Jake Low's [remark-sectionize](https://github.com/jake-low/remark-sectionize), modified by adding a remark-sectionize.d.ts file to get rid of the no type declaration file error in my Astro project. I've also added a test for the type declaration file.
+> This is an experimental fork of Jake Low's [remark-sectionize](https://github.com/jake-low/remark-sectionize), converted to TypeScript.
+
+
 # remark-sectionize
 
 This is a [remark](https://github.com/remarkjs/remark) plugin to wrap each

biome.json

@@ -0,0 +1,32 @@
+{
+  "$schema": "https://biomejs.dev/schemas/1.8.1/schema.json",
+  "organizeImports": {
+    "enabled": true
+  },
+  "linter": {
+    "enabled": true,
+    "rules": {
+      "recommended": true,
+      "suspicious": {
+        "noExplicitAny": "warn"
+      },
+      "complexity": {
+        "useArrowFunction": "info"
+      }
+    }
+  },
+  "formatter": {
+    "enabled": true,
+    "indentStyle": "space",
+    "formatWithErrors": true
+  },
+  "javascript": {
+    "formatter": {
+      "trailingCommas": "es5",
+      "bracketSameLine": true
+    }
+  },
+  "files": {
+    "ignore": ["dist", ".astro", "node_modules"]
+  }
+}

index.ts

@@ -0,0 +1,71 @@
+import { findAfter } from "unist-util-find-after";
+import { visit, type BuildVisitor } from "unist-util-visit";
+import type { Node, Parent } from "unist";
+import type { Transformer } from "unified";
+
+const MAX_HEADING_DEPTH = 6;
+
+interface HeadingNode extends Node {
+  type: "heading";
+  depth: 1 | 2 | 3 | 4 | 5 | 6;
+}
+
+interface SectionNode extends Parent {
+  type: "section";
+  depth: number;
+  data: {
+    hName: "section";
+  };
+}
+
+type GenericNode = Node | HeadingNode | SectionNode;
+
+function plugin(): Transformer<GenericNode, GenericNode> {
+  return transform;
+}
+type Test = (node: GenericNode) => boolean;
+
+function transform(tree: GenericNode): GenericNode {
+  for (let depth = MAX_HEADING_DEPTH; depth > 0; depth--) {
+    visit(
+      tree,
+      (node): node is HeadingNode =>
+        node.type === "heading" &&
+        "depth" in node &&
+        typeof node.depth === "number" &&
+        node.depth === depth,
+      sectionize as unknown as BuildVisitor<GenericNode, Test>
+    );
+  }
+  return tree;
+}
+
+function sectionize(node: HeadingNode, index: number, parent: Parent): void {
+  const start = node;
+  const startIndex = index;
+  const depth = start.depth;
+
+  const isEnd = (node: GenericNode): boolean =>
+    (node.type === "heading" && "depth" in node && node.depth <= depth) ||
+    node.type === "export";
+  const end = findAfter(parent, start, isEnd);
+  const endIndex = end ? parent.children.indexOf(end) : parent.children.length;
+
+  const between = parent.children.slice(
+    startIndex,
+    endIndex > 0 ? endIndex : undefined
+  );
+
+  const section: SectionNode = {
+    type: "section",
+    depth: depth,
+    children: between,
+    data: {
+      hName: "section",
+    },
+  };
+
+  parent.children.splice(startIndex, section.children.length, section);
+}
+
+export default plugin;