Frontend: Disable msgmerge fuzzy matching with vue3-gettext

Signed-off-by: Michael Mayer <michael@photoprism.app>

frontend/Makefile

@@ -74,6 +74,7 @@ testcafe:
 acceptance-local:
 	npm run acceptance-local
 gettext-extract:
+	# Script sets GETTEXT_MERGE=0 by default so vue-gettext skips msgmerge; scripts/gettext-merge.sh handles merging.
 	npm run gettext-extract
 gettext-compile:
 	npm run gettext-compile

frontend/gettext.config.js

@@ -31,6 +31,10 @@ const languageCodes = glob.sync(path.join(localesPath, "*.po")).map((filePath) =
   return fileName.replace(".po", "");
 });
 
+// vue3-gettext merges msgstr entries via msgmerge; disable this when GETTEXT_MERGE=0|false.
+const mergeEnv = (process.env.GETTEXT_MERGE || "").toLowerCase();
+const shouldMergeLocales = mergeEnv !== "0" && mergeEnv !== "false";
+
 // Generates one JSON file per locale from the gettext *.po files located in src/locales.
 module.exports = {
   input: {
@@ -42,7 +46,7 @@ module.exports = {
     path: localesPath,
     potPath: "translations.pot",
     jsonPath: "json",
-    locales: languageCodes,
+    locales: shouldMergeLocales ? languageCodes : [],
     splitJson: true,
     flat: true,
     linguas: false,

frontend/package.json

@@ -14,8 +14,8 @@
     "dep-list": "npx npm-check-updates",
     "fmt": "eslint --cache --fix src/ *.js eslint.config.mjs",
     "fmt-npm": "prettier --write package.json",
-    "gettext-compile": "vue-gettext-compile",
-    "gettext-extract": "vue-gettext-extract --config gettext.config.js",
+    "gettext-compile": "cross-env GETTEXT_MERGE=1 vue-gettext-compile --config gettext.config.js",
+    "gettext-extract": "cross-env GETTEXT_MERGE=0 vue-gettext-extract --config gettext.config.js",
     "lint": "eslint --cache src/ *.js",
     "test": "cross-env TZ=UTC BUILD_ENV=development NODE_ENV=development BABEL_ENV=test vitest run",
     "test-watch": "cross-env TZ=UTC BUILD_ENV=development NODE_ENV=development BABEL_ENV=test vitest --watch",