🔧 fix: handle optional property with special character

Author: SaltyAom

CHANGELOG.md

@@ -1,3 +1,7 @@
+# 0.1.6 - 18 Aug 2025
+Bug fix:
+- handle optional property with special character
+
 # 0.1.5 - 6 Aug 2025
 Bug fix:
 - [#23](https://github.com/elysiajs/exact-mirror/pull/23) optional properties not deleted

example/index.ts

@@ -2,24 +2,17 @@ import { t } from 'elysia'
 import { createMirror } from '../src/index'
 import { TypeCompiler } from '@sinclair/typebox/compiler'
 
-const shape = t.Object(
-	{
-		keys: t.Array(t.Object({ a: t.Number() }))
-	},
-	{
-		additionalProperties: true
-	}
-)
+const shape = t.Object({
+	'is-admin': t.Union([
+		t.Boolean(),
+		t.String({
+			format: 'boolean'
+		})
+	])
+})
 
 const value = {
-	keys: [
-		{
-			a: 1,
-			// @ts-expect-error
-			b: 2
-		}
-	],
-	extra: true
+	'is-admin': true
 } satisfies typeof shape.static
 
 const mirror = createMirror(shape, {

package.json

@@ -1,6 +1,6 @@
 {
 	"name": "exact-mirror",
-	"version": "0.1.5",
+	"version": "0.1.6",
 	"description": "Mirror exact value to TypeBox/OpenAPI model",
 	"license": "MIT",
 	"scripts": {

src/index.ts

@@ -495,7 +495,7 @@ const mirror = (
 		// 63 is '?'
 		const shouldQuestion =
 			prop.charCodeAt(0) !== 63 && schema.type !== 'array'
-		v += `)delete x${shouldQuestion ? '?' : ''}${prop}\n`
+		v += `)delete x${shouldQuestion ? (prop.charCodeAt(0) === 91 ? '?.' : '?') : ''}${prop}\n`
 	}
 
 	return `${v}return x`

test/index.test.ts

@@ -269,4 +269,21 @@ describe('Core', () => {
 			extra: true
 		})
 	})
+
+	it('handle optional property with special character', () => {
+		const shape = t.Object({
+			'is-admin': t.Union([
+				t.Boolean(),
+				t.String({
+					format: 'boolean'
+				})
+			])
+		})
+
+		const value = {
+			'is-admin': true
+		} satisfies typeof shape.static
+
+		isEqual(shape, value)
+	})
 })