lunr - npm Package Compare versions

Comparing version 2.3.1 to 2.3.2

CHANGELOG.md

 # Changelog
 
+## 2.3.2
+
+* Fix bug [#369](https://github.com/olivernn/lunr.js/issues/369) in parsing queries that include either a boost or edit distance modifier followed by a presence modifier on a subsequent term. Thanks [mtdjr](https://github.com/mtdjr) for reporting.
+
 ## 2.3.1
@@ -4,0 +8,0 @@

lib/query_parser.js

@@ -205,2 +205,5 @@ lunr.QueryParser = function (str, query) {
       return lunr.QueryParser.parseBoost
+    case lunr.QueryLexer.PRESENCE:
+      parser.nextClause()
+      return lunr.QueryParser.parsePresence
     default:
@@ -246,2 +249,5 @@ var errorMessage = "Unexpected lexeme type '" + nextLexeme.type + "'"
       return lunr.QueryParser.parseBoost
+    case lunr.QueryLexer.PRESENCE:
+      parser.nextClause()
+      return lunr.QueryParser.parsePresence
     default:
@@ -248,0 +254,0 @@ var errorMessage = "Unexpected lexeme type '" + nextLexeme.type + "'"

package.json

 {
   "name": "lunr",
   "description": "Simple full-text search in your browser.",
-  "version": "2.3.1",
+  "version": "2.3.2",
   "author": "Oliver Nightingale",
@@ -6,0 +6,0 @@ "keywords": ["search"],

test/query_lexer_test.js

@@ -186,2 +186,30 @@ suite('lunr.QueryLexer', function () {
 
+    suite('multiple terms with presence and fuzz', function () {
+      setup(function () {
+        this.lexer = lex('+foo~1 +bar')
+      })
+
+      test('produces n lexemes', function () {
+        assert.lengthOf(this.lexer.lexemes, 5)
+      })
+
+      suite('lexemes', function () {
+        setup(function () {
+          this.fooPresenceLexeme = this.lexer.lexemes[0]
+          this.fooTermLexeme = this.lexer.lexemes[1]
+          this.fooFuzzLexeme = this.lexer.lexemes[2]
+          this.barPresenceLexeme = this.lexer.lexemes[3]
+          this.barTermLexeme = this.lexer.lexemes[4]
+        })
+
+        test('#type', function () {
+          assert.equal(lunr.QueryLexer.PRESENCE, this.fooPresenceLexeme.type)
+          assert.equal(lunr.QueryLexer.TERM, this.fooTermLexeme.type)
+          assert.equal(lunr.QueryLexer.EDIT_DISTANCE, this.fooFuzzLexeme.type)
+          assert.equal(lunr.QueryLexer.PRESENCE, this.barPresenceLexeme.type)
+          assert.equal(lunr.QueryLexer.TERM, this.barTermLexeme.type)
+        })
+      })
+    })
+
     suite('separator length > 1', function () {
@@ -188,0 +216,0 @@ setup(function () {

test/query_parser_test.js

@@ -123,2 +123,68 @@ suite('lunr.QueryParser', function () {
 
+    suite('edit distance followed by presence', function () {
+      setup(function () {
+        this.clauses = parse('foo~10 +bar')
+      })
+
+      test('has 2 clause', function () {
+        assert.lengthOf(this.clauses, 2)
+      })
+
+      suite('clauses', function () {
+        setup(function () {
+          this.fooClause = this.clauses[0]
+          this.barClause = this.clauses[1]
+        })
+
+        test('#term', function () {
+          assert.equal('foo', this.fooClause.term)
+          assert.equal('bar', this.barClause.term)
+        })
+
+        test('#presence', function () {
+          assert.equal(lunr.Query.presence.OPTIONAL, this.fooClause.presence)
+          assert.equal(lunr.Query.presence.REQUIRED, this.barClause.presence)
+        })
+
+        test('#editDistance', function () {
+          assert.equal(10, this.fooClause.editDistance)
+          // It feels dirty asserting that something is undefined
+          // but there is no Optional so this is what we are reduced to
+          assert.isUndefined(this.barClause.editDistance)
+        })
+      })
+    })
+
+    suite('boost followed by presence', function () {
+      setup(function () {
+        this.clauses = parse('foo^10 +bar')
+      })
+
+      test('has 2 clause', function () {
+        assert.lengthOf(this.clauses, 2)
+      })
+
+      suite('clauses', function () {
+        setup(function () {
+          this.fooClause = this.clauses[0]
+          this.barClause = this.clauses[1]
+        })
+
+        test('#term', function () {
+          assert.equal('foo', this.fooClause.term)
+          assert.equal('bar', this.barClause.term)
+        })
+
+        test('#presence', function () {
+          assert.equal(lunr.Query.presence.OPTIONAL, this.fooClause.presence)
+          assert.equal(lunr.Query.presence.REQUIRED, this.barClause.presence)
+        })
+
+        test('#boost', function () {
+          assert.equal(10, this.fooClause.boost)
+          assert.equal(1, this.barClause.boost)
+        })
+      })
+    })
+
     suite('field without a term', function () {
@@ -125,0 +191,0 @@ test('fails with lunr.QueryParseError', function () {

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Improved metrics

Total package byte prevSize

940791

increased by0.39%

Lines of code

28563

increased by0.32%

No dependency changes