From 77c96b37b35611505336571dd6e5b8e970a5f048 Mon Sep 17 00:00:00 2001
From: Andrew Kingston <andrew@kingston.dev>
Date: Fri, 19 Aug 2022 14:11:58 +0100
Subject: [PATCH] Fix issue with falsey lucene values being ignored

---
 packages/frontend-core/src/utils/lucene.js | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/packages/frontend-core/src/utils/lucene.js b/packages/frontend-core/src/utils/lucene.js
index b9f673668e..243b7ba646 100644
--- a/packages/frontend-core/src/utils/lucene.js
+++ b/packages/frontend-core/src/utils/lucene.js
@@ -72,7 +72,7 @@ const cleanupQuery = query => {
       continue
     }
     for (let [key, value] of Object.entries(query[filterField])) {
-      if (!value || value === "") {
+      if (value == null || value === "") {
         delete query[filterField][key]
       }
     }
@@ -174,7 +174,7 @@ export const runLuceneQuery = (docs, query) => {
     return docs
   }
 
-  // make query consistent first
+  // Make query consistent first
   query = cleanupQuery(query)
 
   // Iterates over a set of filters and evaluates a fail function against a doc
@@ -206,7 +206,12 @@ export const runLuceneQuery = (docs, query) => {
 
   // Process a range match
   const rangeMatch = match("range", (docValue, testValue) => {
-    return !docValue || docValue < testValue.low || docValue > testValue.high
+    return (
+      docValue == null ||
+      docValue === "" ||
+      docValue < testValue.low ||
+      docValue > testValue.high
+    )
   })
 
   // Process an equal match (fails if the value is different)