From e2f311e8a7945b83ecebd5aa4b6f9be2ca6116d1 Mon Sep 17 00:00:00 2001
From: Julian Rabe <mail@julianrabe.com>
Date: Tue, 2 Jun 2020 12:28:12 +0200
Subject: [PATCH] feat: Add parameter to change output file name (#24)

Co-authored-by: Lukasz Gornicki <lpgornicki@gmail.com>
---
 README.md                |  7 ++++++-
 hooks/output-filename.js | 10 ++++++++++
 package.json             |  9 ++++++++-
 3 files changed, 24 insertions(+), 2 deletions(-)
 create mode 100644 hooks/output-filename.js

diff --git a/README.md b/README.md
index a74d9d574..c3cb1cdd9 100644
--- a/README.md
+++ b/README.md
@@ -14,6 +14,11 @@ If you don't have the AsyncAPI Generator installed, you can install it like this
 ```
 npm install -g @asyncapi/generator
 ```
+## Supported parameters
+
+|Name|Description|Required|Default|Example|
+|---|---|---|---|
+|outFilename|The filename of the output file.|No|`asyncapi.md`|`index.md`|
 
 ## Development
 
@@ -40,4 +45,4 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
 <!-- prettier-ignore-end -->
 <!-- ALL-CONTRIBUTORS-LIST:END -->
 
-This project follows the [all-contributors](https://github.com/all-contributors/all-contributors) specification. Contributions of any kind welcome!
\ No newline at end of file
+This project follows the [all-contributors](https://github.com/all-contributors/all-contributors) specification. Contributions of any kind welcome!
diff --git a/hooks/output-filename.js b/hooks/output-filename.js
new file mode 100644
index 000000000..2e88f1cdf
--- /dev/null
+++ b/hooks/output-filename.js
@@ -0,0 +1,10 @@
+const fs = require('fs');
+
+module.exports = {
+    'generate:after': generator => {
+        if(generator.templateParams.outFilename !== 'asyncapi.md') {
+            fs.renameSync(`${generator.targetDir}/asyncapi.md`,
+                `${generator.targetDir}/${generator.templateParams.outFilename}`);
+        }
+    }
+}
diff --git a/package.json b/package.json
index 74f45cea2..d5a0b8228 100644
--- a/package.json
+++ b/package.json
@@ -63,6 +63,13 @@
     "generator": ">=0.50.0 <2.0.0",
     "filters": [
       "@asyncapi/generator-filters"
-    ]
+    ],
+    "parameters": {
+      "outFilename": {
+        "description": "The name of the output markdown file",
+        "default": "asyncapi.md",
+        "required": false
+      }
+    }
   }
 }