From 670bad55404d7a736f745f3523a3dfeae56621ff Mon Sep 17 00:00:00 2001
From: Onur Solmaz <2453968+osolmaz@users.noreply.github.com>
Date: Tue, 30 Dec 2025 15:17:44 +0300
Subject: [PATCH] Add progressbar

---
 src/cli/check.ts   | 14 ++++++++++----
 src/cli/migrate.ts |  6 +++++-
 src/cli/ui.ts      | 30 ++++++++++++++++++++++++++++++
 src/migrator.ts    | 12 +++++++++++-
 4 files changed, 56 insertions(+), 6 deletions(-)

diff --git a/src/cli/check.ts b/src/cli/check.ts
index 5e4550e..6903a8d 100644
--- a/src/cli/check.ts
+++ b/src/cli/check.ts
@@ -7,7 +7,11 @@ import {
   type ReferenceUpdateAction,
   type RenameAction,
 } from "../migrator.js";
-import { MAX_STEP_FILE_PREVIEW_LINES, limitLines } from "./ui.js";
+import {
+  MAX_STEP_FILE_PREVIEW_LINES,
+  createScanProgressBarReporter,
+  limitLines,
+} from "./ui.js";
 
 function getErrorMessage(err: unknown): string {
   if (err instanceof Error) return err.message;
@@ -16,7 +20,10 @@ function getErrorMessage(err: unknown): string {
 
 export async function runCheck(): Promise<void> {
   try {
-    const plan = await planMigration();
+    const scanProgress = createScanProgressBarReporter(
+      Boolean(process.stdin.isTTY && process.stdout.isTTY),
+    );
+    const plan = await planMigration({ onProgress: scanProgress });
 
     const renames = plan.actions.filter(
       (a): a is RenameAction => a.type === "rename",
@@ -31,8 +38,7 @@ export async function runCheck(): Promise<void> {
     if (
       renames.length === 0 &&
       frontmatters.length === 0 &&
-      references.length === 0 &&
-      true
+      references.length === 0
     ) {
       process.stdout.write("OK: repo matches SimpleDoc conventions.\n");
       return;
diff --git a/src/cli/migrate.ts b/src/cli/migrate.ts
index 26c5e45..910a1a4 100644
--- a/src/cli/migrate.ts
+++ b/src/cli/migrate.ts
@@ -23,6 +23,7 @@ import {
 import type { InstallAction } from "../installer.js";
 import {
   MAX_STEP_FILE_PREVIEW_LINES,
+  createScanProgressBarReporter,
   limitLines,
   noteWrapped,
   promptConfirm,
@@ -182,7 +183,10 @@ export async function runMigrate(options: MigrateOptions): Promise<void> {
     process.stderr.write(
       "Planning changes (this may take a while on large repos)...\n",
     );
-    const planAll = await planMigration();
+    const scanProgress = createScanProgressBarReporter(
+      Boolean(process.stdin.isTTY && process.stdout.isTTY),
+    );
+    const planAll = await planMigration({ onProgress: scanProgress });
     const installStatus = await getInstallationStatus(planAll.repoRootAbs);
 
     const installActionsAll = await buildInstallationActions({
diff --git a/src/cli/ui.ts b/src/cli/ui.ts
index d452032..ef2d369 100644
--- a/src/cli/ui.ts
+++ b/src/cli/ui.ts
@@ -128,3 +128,33 @@ export async function promptSelect<T extends string>(
   if (isCancel(value)) return null;
   return value as T;
 }
+
+export function createScanProgressBarReporter(
+  enabled: boolean,
+): (info: { phase: "scan"; current: number; total: number }) => void {
+  if (!enabled) return () => {};
+  let lastLineLength = 0;
+  let lastTick = 0;
+  return (info) => {
+    if (info.phase !== "scan") return;
+    const now = Date.now();
+    if (now - lastTick < 80 && info.current !== info.total) return;
+    lastTick = now;
+
+    const cols = process.stdout.columns ?? 80;
+    const barWidth = Math.max(10, Math.min(40, cols - 35));
+    const ratio = info.total === 0 ? 1 : info.current / info.total;
+    const filled = Math.min(barWidth, Math.round(barWidth * ratio));
+    const empty = Math.max(0, barWidth - filled);
+    const bar = `${"#".repeat(filled)}${"-".repeat(empty)}`;
+    const percent = Math.min(100, Math.round(ratio * 100));
+    const line = `Scanning repo files: [${bar}] ${info.current}/${info.total} ${percent}%`;
+    const padded =
+      line.length >= lastLineLength
+        ? line
+        : `${line}${" ".repeat(lastLineLength - line.length)}`;
+    lastLineLength = padded.length;
+    process.stderr.write(`\r${padded}`);
+    if (info.current === info.total) process.stderr.write("\n");
+  };
+}
diff --git a/src/migrator.ts b/src/migrator.ts
index 439cfe4..98038d5 100644
--- a/src/migrator.ts
+++ b/src/migrator.ts
@@ -323,6 +323,11 @@ export type MigrationPlanOptions = {
   forceUndatedPaths?: string[];
   includeCanonicalRenames?: boolean;
   normalizeDatePrefixedDocs?: boolean;
+  onProgress?: (info: {
+    phase: "scan";
+    current: number;
+    total: number;
+  }) => void;
   git?: GitClient;
 };
 
@@ -339,6 +344,7 @@ export async function planMigration(
   const includeCanonicalRenames = options.includeCanonicalRenames ?? true;
   const normalizeDatePrefixedDocs = options.normalizeDatePrefixedDocs ?? true;
   const git = options.git ?? createGitClient();
+  const onProgress = options.onProgress;
 
   const repoRootAbs = await git.getRepoRoot(cwd);
   const dirty = await git.isDirty(repoRootAbs);
@@ -357,8 +363,12 @@ export async function planMigration(
 
   const existingAll = await git.listRepoFiles(repoRootAbs);
   const existingOnDisk: string[] = [];
-  for (const filePath of existingAll) {
+  const totalFiles = existingAll.length;
+  for (let idx = 0; idx < existingAll.length; idx++) {
+    const filePath = existingAll[idx]!;
     if (await pathExists(repoRootAbs, filePath)) existingOnDisk.push(filePath);
+    if (onProgress)
+      onProgress({ phase: "scan", current: idx + 1, total: totalFiles });
   }
   const existingAllSet = new Set(existingOnDisk);