chore: add current lint file

lint.ts

@@ -0,0 +1,146 @@
+import { readFile, readdir, stat } from "node:fs/promises";
+import * as path from "node:path";
+import * as marked from "marked";
+import grayMatter from "gray-matter";
+
+const files = await readdir(".", { withFileTypes: true });
+const dirs = files.filter((f) => {
+  return (
+    f.isDirectory() && !f.name.startsWith(".") && f.name !== "node_modules"
+  );
+});
+
+let badExit = false;
+
+// error reports an error to the console and sets badExit to true
+// so that the process will exit with a non-zero exit code.
+const error = (...data: readonly unknown[]) => {
+  console.error(...data);
+  badExit = true;
+};
+
+const verifyCodeBlocks = (
+  tokens: readonly marked.Token[],
+  res = {
+    codeIsTF: false,
+    codeIsHCL: false,
+  },
+) => {
+  for (const token of tokens) {
+    // Check in-depth.
+    if (token.type === "list") {
+      verifyCodeBlocks(token.items, res);
+      continue;
+    }
+
+    if (token.type === "list_item") {
+      if (token.tokens === undefined) {
+        throw new Error("Tokens are missing for type list_item");
+      }
+
+      verifyCodeBlocks(token.tokens, res);
+      continue;
+    }
+
+    if (token.type === "code") {
+      if (token.lang === "tf") {
+        res.codeIsTF = true;
+      }
+      if (token.lang === "hcl") {
+        res.codeIsHCL = true;
+      }
+    }
+  }
+  return res;
+};
+
+// Ensures that each README has the proper format.
+// Exits with 0 if all is good!
+for (const dir of dirs) {
+  const readme = path.join(dir.name, "README.md");
+  // Ensure exists
+  try {
+    await stat(readme);
+  } catch (ex) {
+    throw new Error(`Missing README.md in ${dir.name}`);
+  }
+  const content = await readFile(readme, "utf8");
+  const matter = grayMatter(content);
+  const data = matter.data as {
+    display_name?: string;
+    description?: string;
+    icon?: string;
+    maintainer_github?: string;
+    partner_github?: string;
+    verified?: boolean;
+    tags?: string[];
+  };
+  if (!data.display_name) {
+    error(dir.name, "missing display_name");
+  }
+  if (!data.description) {
+    error(dir.name, "missing description");
+  }
+  if (!data.icon) {
+    error(dir.name, "missing icon");
+  }
+  if (!data.maintainer_github) {
+    error(dir.name, "missing maintainer_github");
+  }
+
+  try {
+    await stat(path.join(".", dir.name, data.icon ?? ""));
+  } catch (ex) {
+    error(dir.name, "icon does not exist", data.icon);
+  }
+
+  const tokens = marked.lexer(content);
+  // Ensure there is an h1 and some text, then a code block
+
+  let h1 = false;
+  let code = false;
+  let paragraph = false;
+  let version = true;
+
+  for (const token of tokens) {
+    if (token.type === "heading" && token.depth === 1) {
+      h1 = true;
+      continue;
+    }
+    if (h1 && token.type === "heading") {
+      break;
+    }
+    if (token.type === "paragraph") {
+      paragraph = true;
+      continue;
+    }
+    if (token.type === "code") {
+      code = true;
+      if (token.lang === "tf" && !token.text.includes("version")) {
+        version = false;
+        error(dir.name, "missing version in tf code block");
+      }
+    }
+  }
+  if (!h1) {
+    error(dir.name, "missing h1");
+  }
+  if (!paragraph) {
+    error(dir.name, "missing paragraph after h1");
+  }
+  if (!code) {
+    error(dir.name, "missing example code block after paragraph");
+  }
+
+  const { codeIsTF, codeIsHCL } = verifyCodeBlocks(tokens);
+  if (!codeIsTF) {
+    error(dir.name, "missing example tf code block");
+  }
+  if (codeIsHCL) {
+    error(dir.name, "hcl code block should be tf");
+  }
+}
+
+if (badExit) {
+  process.exit(1);
+}