refactor(perf): Presizes GraphQLFieldDefinitionMap

NeedleInAJayStack · NeedleInAJayStack · commit 2a1fead4f363 · 2025-12-28T17:56:31.000-07:00
This improves benchmarked `graphql` time by 5%
diff --git a/Sources/GraphQL/Type/Definition.swift b/Sources/GraphQL/Type/Definition.swift
@@ -351,7 +351,7 @@ extension GraphQLObjectType: Hashable {
 }
 
 func defineFieldMap(name: String, fields: GraphQLFieldMap) throws -> GraphQLFieldDefinitionMap {
-    var fieldMap = GraphQLFieldDefinitionMap()
+    var fieldMap = GraphQLFieldDefinitionMap(minimumCapacity: fields.count)
 
     for (name, config) in fields {
         try assertValid(name: name)

Original file line number	Diff line number	Diff line change
`@@ -351,7 +351,7 @@ extension GraphQLObjectType: Hashable {`
`351`	`351`	`}`
`352`	`352`
`353`	`353`	`func defineFieldMap(name: String, fields: GraphQLFieldMap) throws -> GraphQLFieldDefinitionMap {`
`354`		`- var fieldMap = GraphQLFieldDefinitionMap()`
	`354`	`+ var fieldMap = GraphQLFieldDefinitionMap(minimumCapacity: fields.count)`
`355`	`355`
`356`	`356`	`for (name, config) in fields {`
`357`	`357`	`try assertValid(name: name)`