Add option to install a generated distro to the local Helios data folder

* Run g distro with --installLocal to have the generated file be copied into the local helios data folder.
* New property required in the .env, HELIOS_DATA_FOLDER
* Added two launch configurations to vs code.

.vscode/launch.json

@@ -7,14 +7,26 @@
         {
             "type": "node",
             "request": "launch",
-            "name": "Launch Program",
+            "name": "Generate Distribution",
             "program": "${workspaceFolder}\\src\\index.ts",
             "args": [
-                "g",
-                "distro",
-                "xyz"
+                "g", "distro"
             ],
-            "preLaunchTask": "compile",
+            "preLaunchTask": "build",
+            "outFiles": [
+                "${workspaceFolder}/dist/**/*.js"
+            ],
+            "outputCapture": "std",
+        },
+        {
+            "type": "node",
+            "request": "launch",
+            "name": "Install Dev Distribution",
+            "program": "${workspaceFolder}\\src\\index.ts",
+            "args": [
+                "g", "distro", "dev_distribution", "--installLocal"
+            ],
+            "preLaunchTask": "build",
             "outFiles": [
                 "${workspaceFolder}/dist/**/*.js"
             ],

.vscode/tasks.json

@@ -13,6 +13,16 @@
             "presentation": {
                 "reveal": "silent"
             }
+        },
+        {
+            "label": "build",
+            "type": "npm",
+            "script": "build",
+            "group": "build",
+            "problemMatcher": [],
+            "presentation": {
+                "reveal": "silent"
+            }
         }
     ]
 }

README.md

@@ -25,6 +25,7 @@ Example
 JAVA_EXECUTABLE=C:\Program Files\AdoptOpenJDK\jdk-8.0.232.09-hotspot\bin\java.exe
 ROOT=D:\TestRoot2
 BASE_URL=http://localhost:8080/
+HELIOS_DATA_FOLDER=C:\Users\user\AppData\Roaming\Helios Launcher
 ```
 
 ## Usage
@@ -121,11 +122,20 @@ Arguments:
 * `name` The name of the distribution file.
   * OPTIONAL (default: `distribution`)
 
+Options:
+
+* `--installLocal` Have the application install a copy of the generated distribution to the Helios data folder.
+  * OPTIONAL (default: false)
+  * This is useful to easily test the new distribution.json in dev mode on Helios.
+  * Tip: Set name to `dev_distribution` when using this option.
+
 >
 > Example Usage
 >
 > `generate distro`
 >
+> `generate distro dev_distribution --installLocal`
+>
 
 ---
 

src/index.ts

@@ -20,6 +20,13 @@ function getRoot(): string {
     return resolvePath(process.env.ROOT as string)
 }
 
+function getHeliosDataFolder(): string | null {
+    if(process.env.HELIOS_DATA_FOLDER) {
+        return resolvePath(process.env.HELIOS_DATA_FOLDER as string)
+    }
+    return null
+}
+
 function getBaseURL(): string {
     let baseUrl = process.env.BASE_URL as string
     // Users must provide protocol in all other instances.
@@ -33,6 +40,16 @@ function getBaseURL(): string {
     return (new URL(baseUrl)).toString()
 }
 
+function installLocalOption(yargs: yargs.Argv) {
+    return yargs.option('installLocal', {
+        describe: 'Install the generated distribution to your local Helios data folder.',
+        type: 'boolean',
+        demandOption: false,
+        global: false,
+        default: false
+    })
+}
+
 // function rootOption(yargs: yargs.Argv) {
 //     return yargs.option('root', {
 //         describe: 'File structure root.',
@@ -177,8 +194,7 @@ const generateDistroCommand: yargs.CommandModule = {
     command: 'distro [name]',
     describe: 'Generate a distribution index from the root file structure.',
     builder: (yargs) => {
-        // yargs = rootOption(yargs)
-        // yargs = baseUrlOption(yargs)
+        yargs = installLocalOption(yargs)
         yargs = namePositional(yargs)
         return yargs
     },
@@ -186,17 +202,36 @@ const generateDistroCommand: yargs.CommandModule = {
         argv.root = getRoot()
         argv.baseUrl = getBaseURL()
 
+        const finalName = `${argv.name}.json`
+
         logger.debug(`Root set to ${argv.root}`)
         logger.debug(`Base Url set to ${argv.baseUrl}`)
-        logger.debug(`Invoked generate distro name ${argv.name}.json.`)
+        logger.debug(`Install option set to ${argv.install}`)
+        logger.debug(`Invoked generate distro name ${finalName}.`)
+
+        const doLocalInstall = argv.installLocal as boolean
+        const heliosDataFolder = getHeliosDataFolder()
+        if(doLocalInstall && heliosDataFolder == null) {
+            logger.error('You MUST specify HELIOS_DATA_FOLDER in your .env when using the --install option.')
+            return
+        }
+
         try {
             const distributionStruct = new DistributionStructure(argv.root as string, argv.baseUrl as string)
             const distro = await distributionStruct.getSpecModel()
-            const distroPath = resolvePath(argv.root as string, `${argv.name}.json`)
-            writeFile(distroPath, JSON.stringify(distro, null, 2))
-            logger.info(`Successfully generated ${argv.name}.json`)
+            const distroOut = JSON.stringify(distro, null, 2)
+            const distroPath = resolvePath(argv.root as string, finalName)
+            writeFile(distroPath, distroOut)
+            logger.info(`Successfully generated ${finalName}`)
             logger.info(`Saved to ${distroPath}`)
             logger.debug('Preview:\n', distro)
+            if(doLocalInstall) {
+                const finalDestination = resolvePath(heliosDataFolder!, finalName)
+                logger.info(`Installing distribution to ${finalDestination}`)
+                writeFile(finalDestination, distroOut)
+                logger.info('Success!')
+            }
+            
         } catch (error) {
             logger.error(`Failed to generate distribution with root ${argv.root}.`, error)
         }