Issue #18: add queryParser module

quickwit-oss · Nov 28, 2023 · 8451e7b · 8451e7b
1 parent abd7860
commit 8451e7b
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Showing 3 changed files with 41 additions and 0 deletions.
diff --git a/package-lock.json b/package-lock.json
diff --git a/package.json b/package.json
@@ -32,6 +32,7 @@
     "@testing-library/user-event": "^14.4.3",
     "@types/jest": "^29.5.0",
     "@types/lodash": "^4.14.194",
+    "@types/lucene": "^2.1.7",
     "@types/node": "^18.15.11",
     "@types/react": "17.0.42",
     "@types/react-dom": "17.0.14",
@@ -66,6 +67,7 @@
     "@grafana/runtime": "9.5.14",
     "@grafana/ui": "9.5.14",
     "@reduxjs/toolkit": "^1.9.5",
+    "lucene": "^2.1.1",
     "react": "17.0.2",
     "react-dom": "17.0.2",
     "tslib": "2.5.3"

diff --git a/src/queryParser.ts b/src/queryParser.ts
@@ -0,0 +1,15 @@
+import lucene from 'lucene';
+
+function normalizeQuery(query: string) {
+    return query.replace(/(\w+)\s(:)/gi, '$1$2');
+}
+
+function parseQuery(query: string) {
+    try {
+      return lucene.parse(normalizeQuery(query));
+    } catch (e) {
+      return null;
+    }
+}
+
+export default parseQuery;