perf: avoid addComma on empty array

cesco69 · web-flow · commit 4f884f2ca8ff · 2025-10-08T12:39:45.000+02:00
Just a small performance improvements when an array has only one item

Signed-off-by: francesco &lt;francesco.bagnoli.69@gmail.com&gt;
diff --git a/index.js b/index.js
@@ -369,7 +369,7 @@ function buildInnerObject (context, location) {
   code += 'let json = JSON_STR_BEGIN_OBJECT\n'
 
   let addComma = ''
-  if (!hasRequiredProperties) {
+  if (!hasRequiredProperties && (propertiesKeys.length > 1 || (schema.patternProperties || schema.additionalProperties))) {
     code += 'let addComma = false\n'
     addComma = '!addComma && (addComma = true) || (json += JSON_STR_COMMA)'
   }

Original file line number	Diff line number	Diff line change
`@@ -369,7 +369,7 @@ function buildInnerObject (context, location) {`
`369`	`369`	`code += 'let json = JSON_STR_BEGIN_OBJECT\n'`
`370`	`370`
`371`	`371`	`let addComma = ''`
`372`		`- if (!hasRequiredProperties) {`
	`372`	`+ if (!hasRequiredProperties && (propertiesKeys.length > 1 \|\| (schema.patternProperties \|\| schema.additionalProperties))) {`
`373`	`373`	`code += 'let addComma = false\n'`
`374`	`374`	`addComma = '!addComma && (addComma = true) \|\| (json += JSON_STR_COMMA)'`
`375`	`375`	`}`