fix: decode file names before displaying them.

packages/__utils/src/uriHelper.test.mts

@@ -88,16 +88,17 @@ describe('Validate uriHelper', () => {
     });
 
     test.each`
-        uri                             | segments                             | expected
-        ${'file:///a/b/c/file.txt'}     | ${undefined}                         | ${'c/file.txt'}
-        ${'file:///a/b/'}               | ${undefined}                         | ${'a/b'}
-        ${'file:///a/b'}                | ${undefined}                         | ${'a/b'}
-        ${'file:///a/b/c/file.txt'}     | ${3}                                 | ${'b/c/file.txt'}
-        ${'file:///a/b/c/file.txt'}     | ${1}                                 | ${'file.txt'}
-        ${'file:///a/b/c/file.txt#156'} | ${undefined}                         | ${'c/file.txt'}
-        ${'file:///a/b/c/file.txt?x=1'} | ${undefined}                         | ${'c/file.txt'}
-        ${'file:///a/b/c/file.txt#156'} | ${{ relativeTo: 'file:///a/b/c/' }}  | ${'file.txt'}
-        ${'file:///a/b/c/file.txt#156'} | ${{ relativeTo: 'stdin:///a/b/c/' }} | ${'c/file.txt'}
+        uri                                    | segments                             | expected
+        ${'file:///a/b/c/file.txt'}            | ${undefined}                         | ${'c/file.txt'}
+        ${'file:///a/b/c/長いファイル名前.md'} | ${undefined}                         | ${'c/長いファイル名前.md'}
+        ${'file:///a/b/'}                      | ${undefined}                         | ${'a/b'}
+        ${'file:///a/b'}                       | ${undefined}                         | ${'a/b'}
+        ${'file:///a/b/c/file.txt'}            | ${3}                                 | ${'b/c/file.txt'}
+        ${'file:///a/b/c/file.txt'}            | ${1}                                 | ${'file.txt'}
+        ${'file:///a/b/c/file.txt#156'}        | ${undefined}                         | ${'c/file.txt'}
+        ${'file:///a/b/c/file.txt?x=1'}        | ${undefined}                         | ${'c/file.txt'}
+        ${'file:///a/b/c/file.txt#156'}        | ${{ relativeTo: 'file:///a/b/c/' }}  | ${'file.txt'}
+        ${'file:///a/b/c/file.txt#156'}        | ${{ relativeTo: 'stdin:///a/b/c/' }} | ${'c/file.txt'}
     `('uriToName "$uri" -> "$expected"', ({ uri, segments, expected }) => {
         const uriA = toUri(uri);
         expect(uriToName(uriA, typeof segments === 'number' ? { segments } : segments)).toBe(expected);

packages/__utils/src/uriHelper.ts

@@ -104,11 +104,11 @@ export function uriToName(uri: Uri, options: UriToNameOptions = {}): string {
     if (relTo) {
         const rel = relativeTo(toUri(relTo), uri);
         if (!regExpIsUri.test(rel)) {
-            return rel.split('/').slice(-segments).join('/');
+            return decodeURIComponent(rel.split('/').slice(-segments).join('/'));
         }
     }
     const parts = splitUri(uri).slice(-segments);
-    return parts.join('/');
+    return decodeURIComponent(parts.join('/'));
 }
 
 function splitUri(uri: Uri) {

samples/custom-dictionary/.vscode/settings.json

@@ -4,5 +4,6 @@
     ],
     "cSpell.customWorkspaceDictionaries": [
         "words"
-    ]
+    ],
+    "cSpell.blockCheckingWhenLineLengthGreaterThan": 1000
 }

samples/custom-dictionary/長いファイル名前.md

@@ -0,0 +1 @@
+# This is a sample file with Japanese character names.