From 0488df3795e90a844dc00458dc16c1fc0a69e1fd Mon Sep 17 00:00:00 2001
From: Superchupu <53496941+SuperchupuDev@users.noreply.github.com>
Date: Sun, 8 Sep 2024 23:46:11 +0200
Subject: [PATCH] add `caseSensitiveMatch` option

---
 README.md          |  1 +
 src/index.ts       |  9 ++++++---
 test/index.test.ts | 15 +++++++++++++++
 3 files changed, 22 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index e2b16ac..72b2c96 100644
--- a/README.md
+++ b/README.md
@@ -30,6 +30,7 @@ globSync({ patterns: ['src/**/*.ts', '!**/*.d.ts'], deep: 3 });
 - `absolute`: Whether to return absolute paths. Defaults to `false`.
 - `dot`: Whether to allow entries starting with a dot. Defaults to `false`.
 - `deep`: Maximum depth of a directory. Defaults to `Infinity`.
+- `caseSensitiveMatch`: Whether to match in case-sensitive mode. Defaults to `true`.
 - `expandDirectories`: Whether to expand directories. Disable to best match `fast-glob`. Defaults to `true`.
 - `onlyDirectories`: Enable to only return directories. Disables `onlyFiles` if set. Defaults to `false`.
 - `onlyFiles`: Enable to only return files. Defaults to `true`.
diff --git a/src/index.ts b/src/index.ts
index 9b8d5c1..b0585b9 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -9,6 +9,7 @@ export interface GlobOptions {
   ignore?: string[];
   dot?: boolean;
   deep?: number;
+  caseSensitiveMatch?: boolean;
   expandDirectories?: boolean;
   onlyDirectories?: boolean;
   onlyFiles?: boolean;
@@ -105,8 +106,8 @@ function getRelativePath(path: string, cwd: string, root: string) {
 }
 
 function processPath(path: string, cwd: string, root: string, isDirectory: boolean, absolute?: boolean) {
-  const relativePath = absolute ? path.slice(root.length + 1) : path;
-  //if (absolute) console.log({ path, cwd, root, relativePath });
+  const relativePath = (absolute ? path.slice(root.length + 1) : path) || './';
+
   if (root === cwd) {
     return isDirectory ? relativePath.slice(0, -1) : relativePath;
   }
@@ -127,11 +128,13 @@ function crawl(options: GlobOptions, cwd: string, sync: boolean) {
 
   const matcher = picomatch(processed.match, {
     dot: options.dot,
+    nocase: options.caseSensitiveMatch === false,
     ignore: processed.ignore
   });
 
   const exclude = picomatch(processed.ignore, {
-    dot: options.dot
+    dot: options.dot,
+    nocase: options.caseSensitiveMatch === false
   });
 
   const fdirOptions: Partial<FdirOptions> = {
diff --git a/test/index.test.ts b/test/index.test.ts
index 3a3ace7..ef4b1b6 100644
--- a/test/index.test.ts
+++ b/test/index.test.ts
@@ -63,6 +63,21 @@ test('ignore option', async () => {
   assert.deepEqual(files.sort(), ['a/a.txt']);
 });
 
+test('caseSensitiveMatch', async () => {
+  const files = await glob({ patterns: ['**/A.TXT'], caseSensitiveMatch: false, cwd });
+  assert.deepEqual(files.sort(), ['a/a.txt', 'b/a.txt']);
+});
+
+test('caseSensitiveMatch (default)', async () => {
+  const files = await glob({ patterns: ['**/A.TXT'], cwd });
+  assert.deepEqual(files.sort(), []);
+});
+
+test('caseSensitiveMatch with ignore', async () => {
+  const files = await glob({ patterns: ['**/A.TXT'], ignore: ['B/**'], caseSensitiveMatch: false, cwd });
+  assert.deepEqual(files.sort(), ['a/a.txt']);
+});
+
 test('onlyDirectories option', async () => {
   const files = await glob({ patterns: ['a'], onlyDirectories: true, cwd });
   assert.deepEqual(files.sort(), ['a/']);