Removes 'rules_and_presets' argument

This commit removes the 'rules_and_presets' argument and changes the
'remark_args' default value.

README.md

@@ -44,7 +44,7 @@ jobs:
 
 ### `remark_args`
 
-**Optional**. Additional remark-lint input arguments. Defaults to `"--use=remark-preset-lint-recommended"`.
+**Optional**. Additional remark-lint input arguments. Defaults to `"--use=remark-preset-lint-recommended"`. Default is applied programmatically when no input or config file is found.
 
 ### `annotate`
 
@@ -74,10 +74,6 @@ jobs:
 
 **Optional**. Additional reviewdog flags. Defaults to `""`.
 
-### `rules_and_presets`
-
-**Optional**. Extra rules and presets that need to be installed. Defaults to `""`.
-
 ## Format your code
 
 This action is meant to annotate any possible changes that would need to be made to make your code adhere to the [remark-lint linting guidelines](https://github.com/remarkjs/remark-lint). It does not apply these changes to your codebase. If you also want to apply the changes to your repository, you can use the [reviewdog/action-suggester](https://github.com/reviewdog/action-suggester). You can find examples of how this is done can be found in [rickstaa/action-remark-lint](https://github.com/rickstaa/action-remark-lint/)

action.yml

@@ -9,7 +9,9 @@ inputs:
   remark_args:
     description: "Additional remark-lint input arguments."
     required: false
-    default: "--use=remark-preset-lint-recommended"
+    # NOTE: The actual default values is '--use=remark-preset-lint-recommended' but it is
+    # only applied programmatically when no input or config file is found.
+    default: ""
   # Reviewdog related inputs
   github_token:
     description: "GITHUB_TOKEN."
@@ -39,10 +41,6 @@ inputs:
     description: "Additional reviewdog flags."
     required: false
     default: ""
-  rules_and_presets:
-    description: "Extra rules and presets that need to be installed"
-    required: false
-    default: ""
 runs:
   using: "docker"
   image: "Dockerfile"

entrypoint.sh

@@ -13,12 +13,16 @@ echo "[action-remark-lint] Versions: $(remark --version), remark-lint: $(npm rem
 if [[ -f "package.json" ]]; then
   echo "[action-remark-lint] Installing npm dependencies..."
   npm install
+
+  # Add default if `INPUT_REMARK_ARGS` is not set and no `remarkConfig` is found
+  if ! grep -q '"remarkConfig"' package.json; then
+    INPUT_REMARK_ARGS=${INPUT_REMARK_ARGS:=--use=remark-preset-lint-recommended}
+  fi
 fi
 
-# Install additional plugins
-if [[ -n "${INPUT_RULES_AND_PRESETS}" ]]; then
-  echo "[action-remark-lint] Installing npm dependencies..."
-  npm install ${INPUT_RULES_AND_PRESETS}
+# Add default value if `INPUT_REMARK_ARGS` is not set and no `.remarkrc*` config file is found
+if ! compgen -G .remarkrc* > /dev/null; then
+  INPUT_REMARK_ARGS=${INPUT_REMARK_ARGS:=--use=remark-preset-lint-recommended}
 fi
 
 # NOTE: ${VAR,,} Is bash 4.0 syntax to make strings lowercase.