Fix arn issue

Should be Arn not ARN.

Author: devpow112

README.md

@@ -8,7 +8,7 @@
 [![Node Version][Node Version Badge]](package.json#L35)
 
 Serverless framework plugin that will automatically generate CloudFormation
-snippets to reference a functions name or ARN value based on the generated
+snippets to reference a functions `name` or `arn` value based on the generated
 logical ID used during creation of the CloudFormation templates.
 
 ## Installation
@@ -60,7 +60,7 @@ resources:
     LambdaFunctionExecutor:
         Type: Custom::LambdaFunctionExecutor
         Properties:
-          ServiceToken: !GetAtt HealthLambdaFunction.ARN # resolved
+          ServiceToken: !GetAtt HealthLambdaFunction.Arn # resolved
           Name: !Ref HealthLambdaFunction # resolved
 
 functions:

package.json

@@ -1,7 +1,7 @@
 {
   "name": "serverless-plugin-function-value",
-  "version": "1.0.3",
-  "description": "Serverless framework plugin that will automatically generate CloudFormation snippets to reference a functions name or ARN value based on the generated logical ID used during creation of the CloudFormation templates",
+  "version": "1.0.4",
+  "description": "Serverless framework plugin that will automatically generate CloudFormation snippets to reference a functions name or arn value based on the generated logical ID used during creation of the CloudFormation templates",
   "main": "dist/index.js",
   "scripts": {
     "build": "babel --out-dir dist src",

src/function-value-plugin.js

@@ -3,7 +3,7 @@ export class FunctionValuePlugin {
     this.naming = serverless.getProvider('aws').naming;
     this.functions = serverless.service.getAllFunctions();
     this.variableResolvers = {
-      'fn.arn': (value) => this.getFunctionARNStatement(value),
+      'fn.arn': (value) => this.getFunctionArnStatement(value),
       'fn.name': (value) => this.getFunctionNameStatement(value)
     };
   }
@@ -20,8 +20,8 @@ export class FunctionValuePlugin {
     return this.naming.getLambdaLogicalId(functionName);
   }
 
-  getFunctionARNStatement(value) {
-    return Promise.resolve(`!GetAtt ${this.getFunctionLogicalId(value)}.ARN`);
+  getFunctionArnStatement(value) {
+    return Promise.resolve(`!GetAtt ${this.getFunctionLogicalId(value)}.Arn`);
   }
 
   getFunctionNameStatement(value) {

test/function-value-plugin.spec.js

@@ -20,7 +20,7 @@ describe('plugin', () => {
   });
 
   [
-    { type: 'arn', expected: `!GetAtt ${logicalId}.ARN` },
+    { type: 'arn', expected: `!GetAtt ${logicalId}.Arn` },
     { type: 'name', expected: `!Ref ${logicalId}` }
   ].forEach(test => {
     it(`will generate function ${test.type} snippet`, async () => {