Add asset downloaing via download_models.luau

detector.luau

@@ -2,6 +2,7 @@ local process = require("@lune/process")
 local fs = require("@lune/fs")
 local roblox = require("@lune/roblox")
 local stdio = require("@lune/stdio")
+local download_models = require("./download_models")
 
 local args = process.args
 
@@ -79,6 +80,16 @@ while i <= #args do
         directoryMode = true
         directoryPath = args[i + 1]
         i = i + 2
+    elseif arg == "--asset" or arg == "--a" then
+        if i + 1 > #args and not process.env.OPEN_CLOUD_API_KEY then
+            stdio.write(stdio.color("red"))
+            stdio.write("Error: --asset (or --a) flag requires an asset ID and a valid Open Cloud API Key.\n")
+            stdio.write(stdio.color("reset"))
+            process.exit(1)
+        end
+        downloadAssetMode = true
+        downloadAssetId = args[i+1]
+        i = i+2
     else
         -- regular file argument
         if not directoryMode then
@@ -123,6 +134,17 @@ if directoryMode then
     end
 end
 
+if downloadAssetMode then
+    local assetContents = download_models.downloadModel(downloadAssetId)
+    if assetContents then
+        table.insert(filesToProcess, assetContents)
+    else
+        stdio.write(stdio.color("yellow"))
+        stdio.write(`Warning: Asset fetch for asset with id: {downloadAssetId} failed. Is your Open Cloud key valid and does it have assetdelivery scope?\n`)
+        stdio.write(stdio.color("reset"))
+    end
+end
+
 if #filesToProcess == 0 then
     stdio.write(stdio.color("red"))
     stdio.write("Error: No files to process.\n")

download_models.luau

@@ -0,0 +1,24 @@
+local fs = require("@lune/fs")
+local net = require("@lune/net")
+local process = require("@lune/process")
+
+-- should be an open cloud api key with assetdelivery scope
+local OPEN_CLOUD_API_KEY = process.env.OPEN_CLOUD_API_KEY
+local BASE_API_URL = "https://apis.roblox.com/asset-delivery-api/v1/assetId/"
+
+local download_models = {}
+
+function download_models.downloadModel(assetId: number, fileName: string?): string?
+    local response = net.request({
+        url = BASE_API_URL .. assetId,
+        method = "GET",
+        headers = {["x-api-key"] = OPEN_CLOUD_API_KEY}
+    })
+    if response.ok then
+        return response.body
+    else
+        return nil
+    end
+end
+
+return download_models