Fix #116, json string misjudgment

Example/Podfile.lock

@@ -8,8 +8,8 @@ PODS:
   - FBSnapshotTestCase/SwiftSupport (2.1.4):
     - FBSnapshotTestCase/Core
   - HandyJSON (5.0.0-beta.1)
-  - SmartCodable/Core (5.1.2)
-  - SmartCodable/Inherit (5.1.2):
+  - SmartCodable/Core (5.1.3)
+  - SmartCodable/Inherit (5.1.3):
     - SmartCodable/Core
   - SnapKit (5.6.0)
 
@@ -41,7 +41,7 @@ SPEC CHECKSUMS:
   CleanJSON: 910a36465ce4829e264a902ccf6d1455fdd9f980
   FBSnapshotTestCase: 094f9f314decbabe373b87cc339bea235a63e07a
   HandyJSON: 582477127ab3ab65bd2e471815f1a7b846856978
-  SmartCodable: 275755f95fd7019ce6b626f75517af5f2cf55bc7
+  SmartCodable: 45aa200d57f9f88eb48c0d2dcb555553ae9f8d44
   SnapKit: e01d52ebb8ddbc333eefe2132acf85c8227d9c25
 
 PODFILE CHECKSUM: fbd909bd1bf3747400cd705163fad38954f6a18f

Example/SmartCodable.xcodeproj/project.pbxproj

@@ -142,6 +142,7 @@
 		99F9E8A62BB5139900D68037 /* MixDecodingViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 99F9E8A52BB5139900D68037 /* MixDecodingViewController.swift */; };
 		99FA1D502DF06B7D00560A05 /* DecodingLogViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 99FA1D4F2DF06B7D00560A05 /* DecodingLogViewController.swift */; };
 		AF374D4C62AA92DE0D9ED2B7 /* Pods_SmartCodable_Tests.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 5EB62463C4F6AEFEAA2A5E1E /* Pods_SmartCodable_Tests.framework */; };
+		DA0F36412E9BA4A10049EB49 /* MultilineStringTest.swift in Sources */ = {isa = PBXBuildFile; fileRef = DA0F36402E9BA4A10049EB49 /* MultilineStringTest.swift */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXContainerItemProxy section */
@@ -292,6 +293,7 @@
 		AD8215B5E8E50F277C1C4356 /* Pods-SmartCodable_Example.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-SmartCodable_Example.release.xcconfig"; path = "Target Support Files/Pods-SmartCodable_Example/Pods-SmartCodable_Example.release.xcconfig"; sourceTree = "<group>"; };
 		AFEADC35BC2373F1DC69B73B /* Pods-SmartCodable_Tests.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-SmartCodable_Tests.release.xcconfig"; path = "Target Support Files/Pods-SmartCodable_Tests/Pods-SmartCodable_Tests.release.xcconfig"; sourceTree = "<group>"; };
 		BC656B63C9031B22DEB5C8EB /* Pods-SmartCodable_Example.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-SmartCodable_Example.debug.xcconfig"; path = "Target Support Files/Pods-SmartCodable_Example/Pods-SmartCodable_Example.debug.xcconfig"; sourceTree = "<group>"; };
+		DA0F36402E9BA4A10049EB49 /* MultilineStringTest.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MultilineStringTest.swift; sourceTree = "<group>"; };
 		DB7246035010143E03C7616B /* Pods-SmartCodable_Tests.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-SmartCodable_Tests.debug.xcconfig"; path = "Target Support Files/Pods-SmartCodable_Tests/Pods-SmartCodable_Tests.debug.xcconfig"; sourceTree = "<group>"; };
 		EBE2539D7D4ED401A0AF07CA /* Pods_SmartCodable_Example.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = Pods_SmartCodable_Example.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		F415A4253833C1D4B5A35964 /* SmartCodable.podspec */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text; name = SmartCodable.podspec; path = ../SmartCodable.podspec; sourceTree = "<group>"; xcLanguageSpecificationIdentifier = xcode.lang.ruby; };
@@ -382,6 +384,7 @@
 		607FACE81AFB9204008FA782 /* Tests */ = {
 			isa = PBXGroup;
 			children = (
+				DA0F36402E9BA4A10049EB49 /* MultilineStringTest.swift */,
 				99D17BB82B9F0CF9008ADAAB /* PerformanceTest.swift */,
 				99AE7D892B3EC02E00B474E5 /* Resource */,
 				607FACEB1AFB9204008FA782 /* Tests.swift */,
@@ -1132,6 +1135,7 @@
 				99D17BBA2B9F0CF9008ADAAB /* PerformanceTest.swift in Sources */,
 				99328D972B5138170074036A /* AreaTest.swift in Sources */,
 				607FACEC1AFB9204008FA782 /* Tests.swift in Sources */,
+				DA0F36412E9BA4A10049EB49 /* MultilineStringTest.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};

Example/Tests/MultilineStringTest.swift

@@ -0,0 +1,54 @@
+//
+//  MultilineStringTest.swift
+//  SmartCodable
+//
+//  Created by Zero.D.Saber on 2025/10/11.
+//  Copyright © 2025 CocoaPods. All rights reserved.
+//
+
+import SmartCodable
+import Testing
+
+private struct User: SmartCodable {
+    var name: String = ""
+    var age: Int = 0
+}
+
+struct MultilineStringTest {
+    @Test(.bug("https://github.com/iAmMccc/SmartCodable/issues/116"))
+    func decodeMultilingDictStr() {
+        let jsonString1 = """
+                            {
+                                "name": "Sam",
+                                "age": 22
+                            }
+                    """
+        let user1 = User.deserialize(from: jsonString1)
+        #expect(user1?.name == "Sam")
+        #expect(user1?.age == 22)
+
+
+        let jsonString2 = """
+                        "name": "Zero",
+                    "age": 100
+
+        """
+        let user2 = User.deserialize(from: jsonString2)
+        #expect(user2 == nil)
+    }
+
+    @Test("array case")
+    func decodeMultilingArrayStr() {
+        let jsonString = """
+                    [
+                        {
+                            "name": "Zero",
+                            "age": "99"
+                        }
+                    ]
+                    """
+        let users = [User].deserialize(from: jsonString)
+        #expect(users?.first?.name == "Zero")
+        #expect(users?.first?.age == 99)
+    }
+}

Sources/SmartCodable/Core/JSONDecoder/Decoder/KeysMapper.swift

@@ -127,7 +127,6 @@ extension Dictionary {
 
 extension String {
     func toJSONObject() -> Any? {
-        guard starts(with: "{") || starts(with: "[") else { return nil }
         return data(using: .utf8).flatMap { try? JSONSerialization.jsonObject(with: $0) }
     }
 }