Improve type conversion.

Author: BirjuVachhani

lib/codelessly_api.dart

@@ -14,4 +14,5 @@ export 'src/api/models/models.dart';
 export 'src/api/node_json_converter.dart';
 export 'src/api/nodes/nodes.dart';
 export 'src/api/regexes.dart';
+export 'src/api/typed_value.dart';
 export 'src/api/utils.dart';

lib/src/api/extensions.dart

@@ -1,52 +1,7 @@
-import 'dart:convert';
-
 import '../../codelessly_api.dart';
 
 /// Declares extensions [String].
 extension StringExtensions on String {
-  /// Converts given string to a typed value if possible.
-  /// Returns [defaultValue] or null otherwise.
-  R? typedValue<R>({R? defaultValue}) {
-    final value = this;
-    if (R == String) {
-      return value as R;
-    } else if (R == int) {
-      return (int.tryParse(value) ?? defaultValue) as R?;
-    } else if (R == double) {
-      return (double.tryParse(value) ?? defaultValue) as R;
-    } else if (R == num) {
-      return (num.tryParse(value) ?? defaultValue) as R;
-    } else if (R == bool) {
-      final boolValue = bool.tryParse(value, caseSensitive: false);
-      if (boolValue == null) return defaultValue;
-      return (boolValue || value == '1') as R;
-    } else if (R == Map) {
-      try {
-        return jsonDecode(value) as R?;
-      } catch (e) {
-        return defaultValue;
-      }
-    } else if (R == List) {
-      try {
-        if (!value.startsWith('[') || !value.endsWith(']')) return null;
-        return value
-            .substring(1, value.length - 1)
-            .split(',')
-            .map((e) => e.trim().parsedValue())
-            .toList() as R?;
-      } catch (e) {
-        return defaultValue;
-      }
-    } else {
-      return value as R?;
-    }
-  }
-
-  /// Parse given string to a compatible dart primitive type.
-  dynamic parsedValue() {
-    return num.tryParse(this) ?? bool.tryParse(this) ?? this;
-  }
-
   /// Replaces [oldName] variable name with [newName] if this string happens
   /// to be a variable path.
   /// This string must be wrapped with ${} for this to work.
@@ -60,46 +15,3 @@ extension StringExtensions on String {
     });
   }
 }
-
-/// Declares extensions on [Object].
-extension ObjectExt on Object? {
-  /// Converts given string to a typed value if possible.
-  /// Returns [defaultValue] or null otherwise.
-  R? typedValue<R>({R? defaultValue}) {
-    final value = this;
-    if (value is R) return value;
-
-    if (R == String) {
-      return value as R;
-    } else if (R == int) {
-      return (int.tryParse('$value') ?? defaultValue) as R?;
-    } else if (R == double) {
-      return (double.tryParse('$value') ?? defaultValue) as R;
-    } else if (R == num) {
-      return (num.tryParse('$value') ?? defaultValue) as R;
-    } else if (R == bool) {
-      final boolValue = bool.tryParse('$value', caseSensitive: false);
-      if (boolValue == null) return defaultValue;
-      return (boolValue || value == '1') as R;
-    } else if (R == Map) {
-      try {
-        return jsonDecode('$value') as R?;
-      } catch (e) {
-        return defaultValue;
-      }
-    } else if (R == List) {
-      try {
-        if (!'$value'.startsWith('[') || !'$value'.endsWith(']')) return null;
-        return '$value'
-            .substring(1, '$value'.length - 1)
-            .split(',')
-            .map((e) => e.trim().parsedValue())
-            .toList() as R?;
-      } catch (e) {
-        return defaultValue;
-      }
-    } else {
-      return value as R?;
-    }
-  }
-}

lib/src/api/models/variables_model.dart

@@ -115,7 +115,7 @@ class VariableData
 
   /// Converts [value] to given type [T]. This will fail if type conversion
   /// fails.
-  R? typedValue<R>({R? defaultValue}) =>
+  R? typedValue<R extends Object>({R? defaultValue}) =>
       value.typedValue<R>(defaultValue: defaultValue);
 }