From 4d8e83a74a39525f81f29d3a7a34fda9dd2ab5cd Mon Sep 17 00:00:00 2001
From: Michael Zhang <mail@mzhang.io>
Date: Thu, 12 Sep 2024 19:43:27 -0500
Subject: [PATCH] works

---
 bun.lockb                  | Bin 36772 -> 43420 bytes
 package.json               |  14 ++++++--
 scripts/prepare-release.sh |   5 +++
 src/index.ts               |  69 +++++++++++++++++++++++--------------
 test/Simple.lagda.md       |  43 +++++++++++++++++------
 test/index.test.ts         |  30 +++++++++-------
 tsconfig.json              |  10 ++++--
 7 files changed, 117 insertions(+), 54 deletions(-)
 create mode 100755 scripts/prepare-release.sh

diff --git a/bun.lockb b/bun.lockb
index 23e0969a07c13ed4e0779eacd541ae6e06e3158b..da1d5c90eb3eabb31e644b79bea4e901e861be96 100755
GIT binary patch
delta 10333
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diff --git a/package.json b/package.json
index 37fbb11..b5c3ee1 100644
--- a/package.json
+++ b/package.json
@@ -1,22 +1,32 @@
 {
   "name": "remark-agda",
+  "version": "0.0.1",
+
+  "main": "dist/index.js",
   "module": "src/index.ts",
+  "types": "dist/index.d.ts",
   "type": "module",
   "devDependencies": {
     "@biomejs/biome": "^1.9.0",
     "@types/bun": "latest",
+    "rehype-raw": "^7.0.0",
     "rehype-stringify": "^10.0.0",
     "remark-parse": "^11.0.0",
     "remark-rehype": "^11.1.0",
-    "vfile": "^6.0.3"
+    "to-vfile": "^8.0.0",
+    "vfile": "^6.0.3",
+    "vfile-reporter": "^8.1.1"
   },
   "peerDependencies": {
     "typescript": "^5.0.0"
   },
   "dependencies": {
+    "hast": "^1.0.0",
     "hast-util-from-html": "^2.0.2",
     "unified": "^11.0.5",
+    "unist": "^0.0.1",
     "unist-util-visit": "^5.0.0"
   },
-  "trustedDependencies": ["@biomejs/biome"]
+  "trustedDependencies": ["@biomejs/biome"],
+  "files": ["dist/index.js", "dist/index.d.ts"]
 }
diff --git a/scripts/prepare-release.sh b/scripts/prepare-release.sh
new file mode 100755
index 0000000..05cc57b
--- /dev/null
+++ b/scripts/prepare-release.sh
@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+mkdir -p dist/
+bun build --target node src/index.ts > dist/index.js
+bunx tsc
\ No newline at end of file
diff --git a/src/index.ts b/src/index.ts
index f792e9c..d5965da 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,6 +1,6 @@
 import { join, parse } from "node:path";
 import { tmpdir } from "node:os";
-import { spawnSync, spawn } from "node:child_process";
+import { spawnSync } from "node:child_process";
 import {
   readdir,
   mkdtemp,
@@ -10,12 +10,13 @@ import {
   writeFile,
 } from "node:fs/promises";
 import { mkdirSync } from "node:fs";
-
 import type { Plugin } from "unified";
 import { visit } from "unist-util-visit";
 import { fromMarkdown } from "mdast-util-from-markdown";
 import { fromHtml } from "hast-util-from-html";
 import { toHtml } from "hast-util-to-html";
+import type { RootContent } from "hast";
+import type { Node as UnistNode } from "unist";
 
 export interface RemarkAgdaOptions {
   /** Place to output the HTML files */
@@ -31,7 +32,7 @@ export interface RemarkAgdaOptions {
   extraAgdaFlags?: string[];
 }
 
-const remarkAgda: Plugin<[RemarkAgdaOptions]> = ({
+export const remarkAgda: Plugin<[RemarkAgdaOptions]> = ({
   agdaBin,
   extraAgdaFlags,
   destDir,
@@ -48,19 +49,14 @@ const remarkAgda: Plugin<[RemarkAgdaOptions]> = ({
     }
 
     const path = history[history.length - 1];
-    // console.log("path", path);
     // if (!(path.endsWith(".lagda.md") || path.endsWith(".agda"))) return;
-
     // console.log("AGDA:processing path", path);
-
     const agdaOutDir = await mkdtemp(join(tmpdir(), "agdaRender."));
     // const agdaOutDir = join(tempDir, "output");
     const agdaOutFilename = parse(path).base.replace(/\.lagda.md$/, ".md");
     const agdaOutFile = join(agdaOutDir, agdaOutFilename);
-    console.log("looking for file", agdaOutFile);
     // mkdirSync(agdaOutDir, { recursive: true });
-
-    const childOutput = await spawnSync(
+    const childOutput = spawnSync(
       agdaBin ?? "agda",
       [
         "--html",
@@ -94,7 +90,6 @@ const remarkAgda: Plugin<[RemarkAgdaOptions]> = ({
     // console.error(childOutput.stdout?.toString());
     // console.error(childOutput.stderr?.toString());
     // console.error("--AGDA OUTPUT--");
-
     const referencedFiles = new Set();
 
     const writtenFiles = await readdir(agdaOutDir);
@@ -118,48 +113,70 @@ const remarkAgda: Plugin<[RemarkAgdaOptions]> = ({
 
     const htmlname = parse(path).base.replace(/\.lagda.md/, ".html");
 
-    const doc = await readFile(agdaOutFile);
+    const doc = await readFile(agdaOutFile, { encoding: "utf-8" });
 
     // This is the post-processed markdown with HTML code blocks replacing the Agda code blocks
     const tree2 = fromMarkdown(doc);
 
-    const collectedCodeBlocks: RootContent[] = [];
+    const collectedCodeBlocks: string[] = [];
+
     visit(tree2, "html", (node) => {
       const html = fromHtml(node.value, { fragment: true });
 
-      const firstChild: RootContent = html.children[0]!;
-
       visit(html, "element", (node) => {
         if (node.tagName !== "a") return;
 
-        if (node.properties.href) {
+        if (typeof node.properties.href === "string") {
           // Trim off end
           const [href, hash, ...rest] = node.properties.href.split("#");
           if (rest.length > 0) throw new Error("come look at this");
 
           if (href === htmlname) node.properties.href = `#${hash}`;
 
-          if (referencedFiles.has(href)) {
-            node.properties.href = `${base}generated/agda/${href}${hash ? `#${hash}` : ""}`;
-            node.properties.target = "_blank";
-          }
+          // TODO: Transform
+          // if (referencedFiles.has(href)) {
+          //   node.properties.href = `${base}generated/agda/${href}${hash ? `#${hash}` : ""}`;
+          //   node.properties.target = "_blank";
+          // }
         }
       });
 
-      if (!firstChild?.properties?.className?.includes("Agda")) return;
+      while (true) {
+        if (html.children.length > 0) {
+          const firstChild: RootContent = html.children[0];
 
-      const stringContents = toHtml(firstChild);
-      collectedCodeBlocks.push({
-        contents: stringContents,
-      });
+          if (firstChild.type !== "element") break;
+
+          const className = firstChild.properties.className;
+
+          // @ts-ignore TODO: Fix this
+          if (!className?.includes("Agda")) break;
+
+          const stringContents = toHtml(firstChild);
+          collectedCodeBlocks.push(stringContents);
+        }
+        break;
+      }
     });
 
+    console.log(`Collected ${collectedCodeBlocks.length} blocks!`);
+
     let idx = 0;
-    visit(tree, "code", (node) => {
+
+    visit(tree, "code", (node: UnistNode) => {
+      // Make sure it's either null (which gets interpreted as agda), or agda
+      // @ts-ignore
       if (!(node.lang === null || node.lang === "agda")) return;
 
+      // node.type = "html";
+
       node.type = "html";
-      node.value = collectedCodeBlocks[idx].contents;
+
+      // @ts-ignore
+      node.value = collectedCodeBlocks[idx];
+
+      console.log(node);
+
       idx += 1;
     });
   };
diff --git a/test/Simple.lagda.md b/test/Simple.lagda.md
index 68d0de7..88c4498 100644
--- a/test/Simple.lagda.md
+++ b/test/Simple.lagda.md
@@ -1,3 +1,10 @@
+# Commutativity of addition
+
+This document shows how to prove commutativity of addition on natural numbers.
+
+<details>
+<summary>Imports</summary>
+
 ```
 module Simple where
 
@@ -5,23 +12,39 @@ open import Agda.Primitive
 open import Relation.Binary.PropositionalEquality.Core
 
 variable
-    l : Level
+  l : Level
+```
 
+</details>
+
+Declare our data structures:
+
+```
 data ℕ : Set where
-    zero : ℕ
-    suc : ℕ → ℕ
+  zero : ℕ
+  suc : ℕ → ℕ
+```
 
+Define addition:
+
+```
 _+_ : ℕ → ℕ → ℕ
 zero + b = b
 suc a + b = suc (a + b)
+```
 
+Prove commutativity:
+
+```
 +-comm : (m n : ℕ) → m + n ≡ n + m
 +-comm zero n = lemma n where
-    lemma : (n : ℕ) → n ≡ n + zero
-    lemma zero = refl
-    lemma (suc n) = cong suc (lemma n) 
+  lemma : (n : ℕ) → n ≡ n + zero
+  lemma zero = refl
+  lemma (suc n) = cong suc (lemma n) 
 +-comm (suc m) n = trans (cong suc (+-comm m n)) (sym (lemma n m)) where
-    lemma : (m n : ℕ) → m + suc n ≡ suc (m + n)
-    lemma zero n = refl 
-    lemma (suc m) n = cong suc (lemma m n)
-```
\ No newline at end of file
+  lemma : (m n : ℕ) → m + suc n ≡ suc (m + n)
+  lemma zero n = refl 
+  lemma (suc m) n = cong suc (lemma m n)
+```
+
+That's it!
\ No newline at end of file
diff --git a/test/index.test.ts b/test/index.test.ts
index 519556c..ceada6f 100644
--- a/test/index.test.ts
+++ b/test/index.test.ts
@@ -1,22 +1,22 @@
 import { test } from "bun:test";
 import { resolve, dirname, join } from "node:path";
 import { unified } from "unified";
-import remarkAgda from "../src";
 import remarkParse from "remark-parse";
 import remarkRehype from "remark-rehype";
 import rehypeStringify from "rehype-stringify";
-import { VFile } from "vfile";
+import rehypeRaw from "rehype-raw";
+import { read } from "to-vfile";
+
+import remarkAgda, { type RemarkAgdaOptions } from "../src";
 
 test("simple case", async () => {
   const file = join(dirname(import.meta.path), "Simple.lagda.md");
-  const vfile = new VFile({ path: file });
+  const vfile = await read(file);
 
-  const result = await unified()
-    .use(remarkParse)
-    .use(remarkAgda, {
-      destDir: join(dirname(import.meta.path), "results"),
-      transformHtml: (src) => {
-        return `
+  const options: RemarkAgdaOptions = {
+    destDir: join(dirname(import.meta.path), "results"),
+    transformHtml: (src) => {
+      return `
           <!DOCTYPE html>
           <html>
           <head>
@@ -29,10 +29,14 @@ test("simple case", async () => {
           </body>
           </html>
         `;
-      },
-    })
-    .use(remarkRehype)
+    },
+  };
+
+  await unified()
+    .use(remarkParse)
+    .use(remarkAgda, options)
+    .use(remarkRehype, { allowDangerousHtml: true })
+    .use(rehypeRaw)
     .use(rehypeStringify)
     .process(vfile);
-  console.log("result", result);
 });
diff --git a/tsconfig.json b/tsconfig.json
index 238655f..8ea97b4 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -12,16 +12,20 @@
     "moduleResolution": "bundler",
     "allowImportingTsExtensions": true,
     "verbatimModuleSyntax": true,
-    "noEmit": true,
 
     // Best practices
     "strict": true,
     "skipLibCheck": true,
     "noFallthroughCasesInSwitch": true,
+    "emitDeclarationOnly": true,
 
     // Some stricter flags (disabled by default)
     "noUnusedLocals": false,
     "noUnusedParameters": false,
-    "noPropertyAccessFromIndexSignature": false
-  }
+    "noPropertyAccessFromIndexSignature": false,
+
+    "outDir": "dist",
+    "declaration": true
+  },
+  "files": ["src/index.ts"]
 }