Fix export

Author: sheepzh

script/crowdin/common.ts

@@ -88,10 +88,7 @@ export async function mergeMessage(
     }
     const sourceItemSet = transMsg(existMessages[SOURCE_LOCALE])
     Object.entries(messages).forEach(([locale, itemSet]) => {
-        let existMessage: any = existMessages[locale]
-        if (!existMessage) {
-            existMessages[locale] = existMessage = {}
-        }
+        let existMessage: any = existMessages[locale] || {}
         Object.entries(itemSet).forEach(([path, text]) => {
             if (!text) {
                 // Not translated
@@ -105,6 +102,10 @@ export async function mergeMessage(
             const pathSeg = path.split('.')
             fillItem(pathSeg, 0, existMessage, text)
         })
+        if (Object.keys(existMessage).length) {
+            // Only merge the locale with any translated strings
+            existMessages[locale] = existMessage
+        }
     })
 
     const existFile = fs.readFileSync(filePath, { encoding: 'utf-8' })

script/crowdin/export-translation.ts

@@ -6,8 +6,8 @@ async function processFile(client: CrowdinClient, file: SourceFilesModel.File, d
     const itemSets: Partial<Record<timer.Locale, ItemSet>> = {}
     for (const locale of ALL_TRANS_LOCALES) {
         const lang = crowdinLangOf(locale)
-        const items: any = await client.downloadTranslations(file.id, lang)
-        itemSets[locale] = items
+        const items: ItemSet = await client.downloadTranslations(file.id, lang)
+        items && Object.keys(items).length && (itemSets[locale] = items)
     }
     await mergeMessage(dir, file.name.replace('.json', '.ts'), itemSets)
 }