chore: simplify license checker tool

denoland · Feb 23, 2024 · 49c481f · 49c481f
1 parent 241bcfa
commit 49c481f
Showing 1 changed file with 31 additions and 40 deletions.
diff --git a/tasks/check_license.ts b/tasks/check_license.ts
@@ -2,64 +2,55 @@
 // Copied from std/_tools/check_license.ts
 
 import { walk } from "std/fs/walk.ts";
-import { globToRegExp } from "std/path/glob_to_regexp.ts";
-
-const EXTENSIONS = [".ts", ".tsx"];
-const EXCLUDED_DIRS = [
-  "data",
-  "static",
-];
 
 const ROOT = new URL("../", import.meta.url);
-const CHECK = Deno.args.includes("--check");
+const CHECK = Deno.args[0] === "--check";
 const CURRENT_YEAR = new Date().getFullYear();
-const RX_COPYRIGHT = new RegExp(
-  `// Copyright 2023-([0-9]{4}) the Deno authors\\. All rights reserved\\. MIT license\\.\\n`,
-  "m",
-);
 const COPYRIGHT =
-  `// Copyright 2023-${CURRENT_YEAR} the Deno authors. All rights reserved. MIT license.`;
+  `// Copyright 2023-${CURRENT_YEAR} the Deno authors. All rights reserved. MIT license.\n`;
 
-let failed = false;
+let filesChecked = 0;
+let filesFixed = 0;
+const invalidFilePaths: string[] = [];
 
 for await (
   const { path } of walk(ROOT, {
-    exts: EXTENSIONS,
+    exts: [".ts", ".tsx"],
     skip: [
-      ...EXCLUDED_DIRS.map((path) => globToRegExp(ROOT.pathname + path)),
-      new RegExp("fresh.gen.ts"),
+      /$fresh\.gen\.ts/,
+      /$data/,
+      /$static/,
     ],
     includeDirs: false,
   })
 ) {
+  filesChecked++;
+
   const content = await Deno.readTextFile(path);
-  const match = content.match(RX_COPYRIGHT);
+  if (!content.startsWith(COPYRIGHT)) continue;
 
-  if (!match) {
-    if (CHECK) {
-      console.error(`Missing copyright header: ${path}`);
-      failed = true;
-    } else {
-      const contentWithCopyright = COPYRIGHT + "\n" + content;
-      await Deno.writeTextFile(path, contentWithCopyright);
-      console.log("Copyright header automatically added to " + path);
-    }
-  } else if (parseInt(match[1]) !== CURRENT_YEAR) {
-    if (CHECK) {
-      console.error(`Incorrect copyright year: ${path}`);
-      failed = true;
-    } else {
-      const index = match.index ?? 0;
-      const contentWithoutCopyright = content.replace(match[0], "");
-      const contentWithCopyright = contentWithoutCopyright.substring(0, index) +
-        COPYRIGHT + "\n" + contentWithoutCopyright.substring(index);
-      await Deno.writeTextFile(path, contentWithCopyright);
-      console.log("Copyright header automatically updated in " + path);
-    }
+  if (CHECK) {
+    invalidFilePaths.push(path);
+  } else {
+    const contentWithCopyright = COPYRIGHT + content;
+    await Deno.writeTextFile(path, contentWithCopyright);
+    filesFixed++;
   }
 }
 
-if (failed) {
+console.log(`Checked ${filesChecked} files`);
+
+if (filesFixed > 0) {
+  console.info(`Fixed ${filesFixed} files`);
+}
+
+if (invalidFilePaths.length > 0) {
+  console.info(
+    `The following files have incorrect or missing copyright headers:`,
+  );
+  for (const path of invalidFilePaths) {
+    console.info(path);
+  }
   console.info(`Copyright header should be "${COPYRIGHT}"`);
   Deno.exit(1);
 }