Add error support to LogService (#2025)

Author: ethanshar

src/services/LogService.ts

@@ -4,21 +4,46 @@ function warn(message: string) {
   }
 }
 
-function deprecationWarn({component, oldProp, newProp}: {component: string; oldProp: string; newProp?: string}) {
+function error(message: string) {
+  if (__DEV__) {
+    console.error(message);
+  }
+}
+
+function getDeprecationMessage({component, oldProp, newProp}: {component: string; oldProp: string; newProp?: string}) {
   const message = newProp
     ? `RNUILib's ${component} "${oldProp}" prop will be deprecated soon, please use the "${newProp}" prop instead`
     : `RNUILib's ${component} "${oldProp}" prop will be deprecated soon, please stop using it`;
-  warn(message);
+  return message;
 }
 
-function componentDeprecationWarn({oldComponent, newComponent}: {oldComponent: string; newComponent: string}) {
+function getComponentDeprecationMessage({oldComponent, newComponent}: {oldComponent: string; newComponent: string}) {
   const message = `RNUILib's ${oldComponent} component will be deprecated soon, please use the "${newComponent}" component instead`;
 
-  warn(message);
+  return message;
+}
+
+function deprecationWarn({component, oldProp, newProp}: {component: string; oldProp: string; newProp?: string}) {
+  warn(getDeprecationMessage({component, oldProp, newProp}));
+}
+
+function componentDeprecationWarn({oldComponent, newComponent}: {oldComponent: string; newComponent: string}) {
+  warn(getComponentDeprecationMessage({oldComponent, newComponent}));
+}
+
+function deprecationError({component, oldProp, newProp}: {component: string; oldProp: string; newProp?: string}) {
+  error(getDeprecationMessage({component, oldProp, newProp}));
+}
+
+function componentDeprecationError({oldComponent, newComponent}: {oldComponent: string; newComponent: string}) {
+  error(getComponentDeprecationMessage({oldComponent, newComponent}));
 }
 
 export default {
   warn,
+  error,
   deprecationWarn,
-  componentDeprecationWarn
+  componentDeprecationWarn,
+  deprecationError,
+  componentDeprecationError
 };