Merge pull request #245 from contentstack/bug/VB-797-lowercase-locale

[VB797] [LowercaseLocale] Added option in `addTags` to disable lowercasing of locale

Author: harshithad0703

__test__/entry-editable.test.ts

@@ -519,4 +519,45 @@ describe('Entry editable test', () => {
         })
     })
 
+    describe('useLowerCaseLocale option', () => {
+        it('should preserve locale casing when useLowerCaseLocale is false', done => {
+            const entry = {
+                "uid": "test_uid",
+                "locale": "en-US",
+                "title": "Test Entry"
+            }
+            
+            addTags(entry, 'test_content_type', false, 'en-US', { useLowerCaseLocale: false })
+            
+            expect((entry as any)['$']['title']).toEqual('data-cslp=test_content_type.test_uid.en-US.title')
+            done()
+        })
+
+        it('should lowercase locale when useLowerCaseLocale is explicitly true', done => {
+            const entry = {
+                "uid": "test_uid",
+                "locale": "en-US",
+                "title": "Test Entry"
+            }
+            
+            addTags(entry, 'test_content_type', false, 'en-US', { useLowerCaseLocale: true })
+            
+            expect((entry as any)['$']['title']).toEqual('data-cslp=test_content_type.test_uid.en-us.title')
+            done()
+        })
+
+        it('should lowercase locale by default when options is not provided', done => {
+            const entry = {
+                "uid": "test_uid",
+                "locale": "en-US",
+                "title": "Test Entry"
+            }
+            
+            addTags(entry, 'test_content_type', false, 'en-US')
+            
+            expect((entry as any)['$']['title']).toEqual('data-cslp=test_content_type.test_uid.en-us.title')
+            done()
+        })
+    })
+
 })

src/entry-editable.ts

@@ -17,12 +17,16 @@ interface AppliedVariants {
  * @param contentTypeUid - Content type UID (e.g. `blog_post`). Used as part of the tag path.
  * @param tagsAsObject - If true, tags are stored as objects (e.g. `{ "data-cslp": "..." }`); if false, as strings (e.g. `data-cslp=...`).
  * @param locale - Locale code for the tag path (default: `'en-us'`).
+ * @param options.useLowerCaseLocale - Optional boolean to make locale case-insensitive.
  */
-export function addTags(entry: EntryModel, contentTypeUid: string, tagsAsObject: boolean, locale: string = 'en-us'): void {
+export function addTags(entry: EntryModel, contentTypeUid: string, tagsAsObject: boolean, locale: string = 'en-us', options?: {
+    useLowerCaseLocale?: boolean
+}): void {
+    const { useLowerCaseLocale = true } = options || {};
     if (entry) {
         // handle case senstivity for contentTypeUid and locale
         contentTypeUid = contentTypeUid.toLowerCase();
-        locale = locale.toLowerCase();
+        locale = useLowerCaseLocale ? locale.toLowerCase() : locale;
 
         const appliedVariants = entry._applied_variants || entry?.system?.applied_variants || null;
         entry.$ = getTag(entry, `${contentTypeUid}.${entry.uid}.${locale}`, tagsAsObject, locale, { _applied_variants: appliedVariants, shouldApplyVariant: !!appliedVariants, metaKey: '' })