Async generator for readdir

.vscode/settings.json

@@ -1,4 +1,3 @@
 {
-  "deno.enable": true,
-  "deno.unstable": true
+  "deno.enable": true
 }

cli.ts

@@ -2,33 +2,38 @@ import { Command } from "https://deno.land/x/[email protected]/command/mod.ts";
 import { basename, join } from "https://deno.land/[email protected]/path/mod.ts";
 import { findAndReplace } from "./change.ts";
 
-export async function recursiveReaddir(path: string, ignore: string[]) {
-  const files: string[] = [];
-  const getFiles = async (path: string) => {
-    for await (const dirEntry of Deno.readDir(path)) {
-      if (ignore.includes(dirEntry.name)) continue;
-      if (dirEntry.isDirectory) {
-        await getFiles(join(path, dirEntry.name));
-      } else if (dirEntry.isFile) {
-        files.push(join(path, dirEntry.name));
-      }
+export async function* recursiveReaddir(
+  path: string,
+  ignore: string[] = [],
+): AsyncGenerator<string, void> {
+  for await (const dirEntry of Deno.readDir(path)) {
+    if (ignore.includes(dirEntry.name)) continue;
+
+    if (dirEntry.isDirectory) {
+      yield* recursiveReaddir(join(path, dirEntry.name), ignore);
+    } else if (dirEntry.isFile) {
+      yield join(path, dirEntry.name);
     }
-  };
-  await getFiles(path);
-  return files;
+  }
 }
 
 async function update(
   quiet: boolean,
   ignore: string[] = [],
   lineIgnore: string,
+  debug = false,
 ) {
   let count = 0;
   // TODO .gitignore
-  const files = await recursiveReaddir(Deno.cwd(), [...ignore, ".git"]);
-  for (const file of files) {
-    if (ignore.includes(basename(file))) continue;
+  for await (const file of recursiveReaddir(Deno.cwd(), [...ignore, ".git"])) {
+    if (debug) console.log(`Scanning ${file}`);
 
+    if (ignore.includes(basename(file))) {
+      if (debug) console.log(`Ignoring ${file}`);
+      continue;
+    }
+
+    if (debug) console.log(`Attempting to update ${file}`);
     const originalSource = await Deno.readTextFile(file);
     const newSource = await findAndReplace(originalSource, lineIgnore);
 
@@ -50,6 +55,9 @@ async function update(
 await new Command()
   .name("deno-outdated")
   .version("0.0.1")
+  .option("-d --debug", "Show all scanned files", {
+    default: false,
+  })
   .option("-q --quiet", "Silence any output", {
     default: false,
   })
@@ -66,11 +74,12 @@ await new Command()
   .description(
     "Check for outdated dependencies for deno.land/x and other various 3rd party vendors",
   )
-  .action(async ({ quiet, ignore, lineIgnore }) => {
+  .action(async ({ quiet, ignore, lineIgnore, debug }) => {
     const count = await update(
       quiet,
       Array.isArray(ignore) ? ignore : [],
       typeof lineIgnore === "string" ? lineIgnore : "i-deno-outdated",
+      debug,
     );
     if (!quiet) console.log(`Updated ${count} file${count === 1 ? "" : "s"}`);
   })