Use "./" as default value for nextConfigDir (#70)

* feat(config): use "./" as default value for nextConfigDir

Author: Xiphe

README.md

@@ -80,10 +80,6 @@ Edit the serverless.yml and add:
 plugins:
   - serverless-nextjs-plugin
 
-custom:
-  serverless-nextjs:
-    nextConfigDir: "./"
-
 package:
   exclude:
     - ./**
@@ -115,7 +111,6 @@ plugins:
 
 custom:
   serverless-nextjs:
-    nextConfigDir: "./"
     assetsBucketName: "your-bucket-name"
 ```
 
@@ -126,7 +121,6 @@ If you need the static assets available in the main domain of your application,
 ```yml
 custom:
   serverless-nextjs:
-    nextConfigDir: ./
     staticDir: ./assets
     routes:
       - src: ./assets/robots.txt
@@ -178,7 +172,6 @@ plugins:
 
 custom:
   serverless-nextjs:
-    nextConfigDir: ./
     pageConfig:
       about:
         memorySize: 512 # default is 1024
@@ -204,7 +197,6 @@ plugins:
 
 custom:
   serverless-nextjs:
-    nextConfigDir: ./
     pageConfig:
       "*":
         layers:
@@ -249,7 +241,6 @@ plugins:
 
 custom:
   serverless-nextjs:
-    nextConfigDir: ./
     routes:
       - src: post
         path: posts/{slug}
@@ -296,7 +287,6 @@ plugins:
 
 custom:
   serverless-nextjs:
-    nextConfigDir: ./
     customHandler: ./handler.js
 ```
 
@@ -322,7 +312,7 @@ module.exports = page => {
 
 | Plugin config key | Default Value | Description                                                                                                                                                                                                                      |
 | ----------------- | ------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
-| nextConfigDir     | \<empty\>     | Path to parent directory of `next.config.js`.                                                                                                                                                                                    |
+| nextConfigDir     | './'          | Path to parent directory of `next.config.js`.                                                                                                                                                                                    |
 | assetsBucketName  | \<empty\>     | Creates an S3 bucket with the name provided. The bucket will be used for uploading next static assets.                                                                                                                           |
 | staticDir         | \<empty\>     | Directory with static assets to be uploaded to S3, typically a directory named `static`, but it can be any other name. Requires a bucket provided via the `assetPrefix` described above or the `assetsBucketName` plugin config. |
 | routes            | []            | Array of custom routes for the next pages or static assets.                                                                                                                                                                      |

examples/app-with-custom-lambda-handler/serverless.yml

@@ -13,7 +13,6 @@ plugins:
 
 custom:
   serverless-nextjs:
-    nextConfigDir: ./
     customHandler: ./my-lambda-handler.js
 
 package:

examples/basic-next-serverless-app/serverless.yml

@@ -14,7 +14,6 @@ plugins:
 
 custom:
   serverless-nextjs:
-    nextConfigDir: ./
     staticDir: ./assets
     routes:
       - src: ./assets/robots.txt

index.js

@@ -46,6 +46,7 @@ class ServerlessNextJsPlugin {
   getPluginConfigValue(param) {
     const defaults = {
       routes: [],
+      nextConfigDir: "./",
       uploadBuildAssets: true
     };
 

integration/app-with-serverless-offline/serverless.yml

@@ -10,7 +10,6 @@ plugins:
 
 custom:
   serverless-nextjs:
-    nextConfigDir: ./
     routes:
       - src: post
         path: post/{slug}

integration/basic-app/serverless.yml

@@ -11,7 +11,6 @@ plugins:
 
 custom:
   serverless-nextjs:
-    nextConfigDir: ./
     pageConfig:
       post:
         memorySize: 2048

lib/__tests__/getAssetsBucketName.test.js

@@ -32,7 +32,6 @@ describe("getAssetsBucketName", () => {
 
     const pluginWithoutBucket = new ServerlessPluginBuilder()
       .withPluginConfig({
-        nextConfigDir: "./",
         staticDir: "./static"
       })
       .build();
@@ -46,7 +45,7 @@ describe("getAssetsBucketName", () => {
     expect.assertions(2);
 
     const bucketName = "bucket-123";
-    const nextConfigDir = "./";
+    const nextConfigDir = "./customConfigDir";
 
     parseNextConfiguration.mockReturnValueOnce(
       parsedNextConfigurationFactory(