do not require version & author when loading modpack - fixes #62

src/modpack/manifest.nim

@@ -115,8 +115,8 @@ converter toManifest(json: JsonNode): Manifest =
   ## creates a Manifest from manifest json
   result = Manifest()
   result.name = json["name"].getStr()
-  result.author = json["author"].getStr()
-  result.version = json["version"].getStr()
+  result.author = json{"author"}.getStr()
+  result.version = json{"version"}.getStr()
   result.mcVersion = json["minecraft"]["version"].getStr().Version
   result.mcModloaderId = json["minecraft"]["modLoaders"][0]["id"].getStr()
   let fileElemRequests = json["files"].getElems().map(toManifestFile)

tests/cmd/tlist/tlist_without_version.nim

@@ -0,0 +1,52 @@
+discard """
+  cmd: "nim $target --hints:on -d:testing -d:ssl --nimblePath:tests/deps $options $file"
+  joinable: false
+  batchable: false
+  outputsub: '''
+[Δ] ALL MODS (1)
+ └─ •↑ Just Enough Items (JEI) - https://www.curseforge.com/minecraft/mc-mods/jei/files/3383205
+       └─ • The installed mod is compatible with the modpack's minecraft version.
+       └─ ↑ There is a newer version of this mod available.
+  '''
+"""
+
+import json, os
+import cmd/list, term/color
+
+terminalColorEnabledSetting = false
+
+block:
+  removeDir("./modpack/")
+
+  let manifestJson = %* {
+    "minecraft": {
+      "version": "1.16.5",
+      "modLoaders": [
+        {
+          "id": "forge-36.1.0",
+          "primary": true
+        }
+      ]
+    },
+    "manifestType": "minecraftModpack",
+    "overrides": "overrides",
+    "manifestVersion": 1,
+    "author": "testauthor",
+    "name": "testmodpack123",
+    "files": [
+      {
+        "projectID": 238222,
+        "fileID": 3383205,
+        "required": true,
+        "__meta": {
+          "name": "Just Enough Items (JEI)",
+          "explicit": true,
+          "dependencies": []
+        }
+      }
+    ]
+  }
+
+  createDir("./modpack")
+  writeFile("./modpack/manifest.json", manifestJson.pretty)
+  paxList(status = true, info = false)