Improve partially quoted results

Author: ECRomaneli

README.md

@@ -48,7 +48,7 @@ You can create a `SearchEngine` instance with specific options that will be used
 
 ```javascript
 const engine = new SearchEngine({
-  excludeKeys: ['password', 'private.info'],
+  excludeKeys: ['name', 'tags'],
   allowNumericString: false,
   allowKeyValueMatching: true,
   matchChildKeysAsValues: false

lib/index.ts

@@ -5,11 +5,12 @@ const REGEX_CHAR = '*'
 const RANGE_CHAR = '~'
 const GROUP_START = '('
 const GROUP_END = ')'
+const QUOTES = '"'
 const EMPTY_QUOTES_STR = '""'
 const KEY_SEPARATOR = '.'
 const NEGATED_PREFIX = 'not'
 const RANGE_REGEXP = /^[^-\d]*(-?\d+(\.\d+)?)?[^-\d]*-[^-\d]*(-?\d+(\.\d+)?)?[^-\d]*$/
-const TOKENIZER = new RegExp(` *(${NEGATED_PREFIX})? *(\\${GROUP_START})| *(${NEGATED_PREFIX} +)?(?:((?:\\\\.|[^ ${GROUP_START}${GROUP_END}\\\\${REGEX_CHAR}${RANGE_CHAR}${TOKEN_SEPARATOR}])+) *([${REGEX_CHAR}${RANGE_CHAR}]?${TOKEN_SEPARATOR}))? *("((?:\\\\.|[^"\\\\])+)"|(?:\\\\.|[^ ${GROUP_START}${GROUP_END}\\\\])+)? *(and|or|\\${GROUP_END}|$)`, 'g')
+const TOKENIZER = new RegExp(` *(${NEGATED_PREFIX})? *(\\${GROUP_START})| *(${NEGATED_PREFIX} +)?(?:((?:\\\\.|[^ ${GROUP_START}${GROUP_END}\\\\${REGEX_CHAR}${RANGE_CHAR}${TOKEN_SEPARATOR}])+) *([${REGEX_CHAR}${RANGE_CHAR}]?${TOKEN_SEPARATOR}))? *(${QUOTES}((?:\\\\.|[^${QUOTES}\\\\])+)${QUOTES}?|(?:\\\\.|[^ ${GROUP_START}${GROUP_END}\\\\])+)? *(and|or|\\${GROUP_END}|$)`, 'g')
 const TOKEN = { GROUP_NEGATED: 1, GROUP_START: 2, NEGATED: 3, KEY: 4, TYPE: 5, VALUE: 6, QUOTED_VALUE: 7, OPERATOR: 8 }
 const UNKNOWN = -1
 const EMPTY_STR = ''

package.json

@@ -1,6 +1,6 @@
 {
     "name": "@ecromaneli/search-engine",
-    "version": "2.0.3",
+    "version": "2.1.0",
     "description": "A powerful object search engine with advanced query syntax",
     "main": "dist/npm/index.min.js",
     "files": [ "dist/npm/index.min.*", "dist/npm/index.d.*", "LICENSE" ],

test/index.test.js

@@ -359,6 +359,19 @@ describe('Search Engine', () => {
             expect(results.length).toBe(1)
             expect(results[0].id).toBe(2)
         })
+
+        test('Partially quoted values', () => {
+            let query = 'name:"Smith'
+            let results = Search.search(testData, query)
+            expect(results.length).toBe(1)
+            expect(results[0].id).toBe(1)
+
+            query = '"John Smith" or "Jane Doe'
+            results = Search.search(testData, query)
+            expect(results.length).toBe(2)
+            expect(results[0].id).toBe(1)
+            expect(results[1].id).toBe(2)
+        })
 
         test('Quoted values with boolean operators inside', () => {
             const query = 'name:"and"'  // Looking for literal "and" in name