Fix #319 keep unknown files when importing and downloading a project

src/app/components/generator/ProjectCreation.tsx

@@ -50,10 +50,15 @@ export function ProjectCreation({ onClose }: Props) {
 						try {
 							const data = await parseSource(entry[1], 'json')
 							project.files!.push({ ...file, data })
+							return
 						} catch (e) {
-							console.error(`Failed parsing ${file.type} ${file.id}: ${message(e)}`)
+							console.warn(`Failed parsing ${file.type} ${file.id}: ${message(e)}`)
 						}
 					}
+					if (project.unknownFiles === undefined) {
+						project.unknownFiles = []
+					}
+					project.unknownFiles.push({ path: entry[0], data: entry[1] })
 				}))
 				projectUpdater.current(project)
 				onClose()

src/app/components/generator/ProjectPanel.tsx

@@ -77,6 +77,9 @@ export function ProjectPanel({ onRename, onCreate, onDeleteProject }: Props) {
 			if (path === 'pack.mcmeta') hasPack = true
 			return [[path, stringifySource(file.data)]] as [string, string][]
 		})
+		project.unknownFiles?.forEach(({ path, data }) => {
+			entries.push([path, data])
+		})
 		if (!hasPack) {
 			const pack_format = config.versions.find(v => v.id === version)!.pack_format
 			entries.push(['pack.mcmeta', stringifySource({ pack: { pack_format, description: '' } })])