Migrate to Turborepo (#1251)

apps/app/src/helpers/import.js

@@ -0,0 +1,63 @@
+/**
+ * All theseus API calls return serialized values (both return values and errors);
+ * So, for example, addDefaultInstance creates a blank Profile object, where the Rust struct is serialized,
+ *  and deserialized into a usable JS object.
+ */
+import { invoke } from '@tauri-apps/api/tauri'
+import { create } from './profile'
+
+/*
+  API for importing instances from other launchers
+  launcherType can be one of the following:
+  - MultiMC
+  - GDLauncher
+  - ATLauncher
+  - Curseforge
+  - PrismLauncher
+  - Unknown (shouldn't be used, but is used internally if the launcher type isn't recognized)
+
+  For each launcher type, we can get a guess of the default path for the launcher, and a list of importable instances
+  For most launchers, this will be the application's data directory, with two exceptions:
+  - MultiMC: this goes to the app directory (wherever the app is)
+  - Curseforge: this goes to the 'minecraft' subdirectory of the data directory, as Curseforge has multiple games
+
+*/
+
+/// Gets a list of importable instances from a launcher type and base path
+/// eg: get_importable_instances("MultiMC", "C:/MultiMC")
+/// returns ["Instance 1", "Instance 2"]
+export async function get_importable_instances(launcherType, basePath) {
+  return await invoke('plugin:import|import_get_importable_instances', { launcherType, basePath })
+}
+
+/// Import an instance from a launcher type and base path
+/// eg: import_instance("profile-name-to-go-to", "MultiMC", "C:/MultiMC", "Instance 1")
+export async function import_instance(launcherType, basePath, instanceFolder) {
+  // create a basic, empty instance (most properties will be filled in by the import process)
+  // We do NOT watch the fs for changes to avoid duplicate events during installation
+  // fs watching will be enabled once the instance is imported
+  const profilePath = await create(instanceFolder, '1.19.4', 'vanilla', 'latest', null, true)
+
+  return await invoke('plugin:import|import_import_instance', {
+    profilePath,
+    launcherType,
+    basePath,
+    instanceFolder,
+  })
+}
+
+/// Checks if this instance is valid for importing, given a certain launcher type
+/// eg: is_valid_importable_instance("C:/MultiMC/Instance 1", "MultiMC")
+export async function is_valid_importable_instance(instanceFolder, launcherType) {
+  return await invoke('plugin:import|import_is_valid_importable_instance', {
+    instanceFolder,
+    launcherType,
+  })
+}
+
+/// Gets the default path for the given launcher type
+/// null if it can't be found or doesn't exist
+/// eg: get_default_launcher_path("MultiMC")
+export async function get_default_launcher_path(launcherType) {
+  return await invoke('plugin:import|import_get_default_launcher_path', { launcherType })
+}