Add optional dep

libs/langchain-community/package.json

@@ -166,6 +166,7 @@
     "eslint-plugin-no-instanceof": "^1.0.1",
     "eslint-plugin-prettier": "^4.2.1",
     "faiss-node": "^0.5.1",
+    "fast-xml-parser": "^4.5.1",
     "firebase-admin": "^11.9.0 || ^12.0.0",
     "google-auth-library": "^9.10.0",
     "googleapis": "^126.0.1",
@@ -302,6 +303,7 @@
     "duck-duck-scrape": "^2.2.5",
     "epub2": "^3.0.1",
     "faiss-node": "^0.5.1",
+    "fast-xml-parser": "*",
     "firebase-admin": "^11.9.0 || ^12.0.0",
     "google-auth-library": "*",
     "googleapis": "*",
@@ -584,6 +586,9 @@
     "faiss-node": {
       "optional": true
     },
+    "fast-xml-parser": {
+      "optional": true
+    },
     "firebase-admin": {
       "optional": true
     },

yarn.lock

@@ -11908,6 +11908,7 @@ __metadata:
     eslint-plugin-prettier: ^4.2.1
     expr-eval: ^2.0.2
     faiss-node: ^0.5.1
+    fast-xml-parser: ^4.5.1
     firebase-admin: ^11.9.0 || ^12.0.0
     flat: ^5.0.2
     google-auth-library: ^9.10.0
@@ -12050,6 +12051,7 @@ __metadata:
     duck-duck-scrape: ^2.2.5
     epub2: ^3.0.1
     faiss-node: ^0.5.1
+    fast-xml-parser: "*"
     firebase-admin: ^11.9.0 || ^12.0.0
     google-auth-library: "*"
     googleapis: "*"
@@ -12252,6 +12254,8 @@ __metadata:
       optional: true
     faiss-node:
       optional: true
+    fast-xml-parser:
+      optional: true
     firebase-admin:
       optional: true
     google-auth-library:
@@ -28227,6 +28231,17 @@ __metadata:
   languageName: node
   linkType: hard
 
+"fast-xml-parser@npm:^4.5.1":
+  version: 4.5.1
+  resolution: "fast-xml-parser@npm:4.5.1"
+  dependencies:
+    strnum: ^1.0.5
+  bin:
+    fxparser: src/cli/cli.js
+  checksum: aab32d7f08a95b20f9ecdc2d769531a9dc454faf12740873972f8169c04ab9335ac5df1029ebfe829a01ddbb0ec60572cb7769d6be2409e95a9be8fc6a86e92c
+  languageName: node
+  linkType: hard
+
 "fastq@npm:^1.6.0":
   version: 1.15.0
   resolution: "fastq@npm:1.15.0"