Make it so profile.localFetch returns a string, not a parsed JSON blob.

This will allow it to be used for local fetches.

Part of #45.

src/garden.ts

@@ -151,7 +151,8 @@ export class Garden {
 		if (verbose) {
 			this.profile.log(`Fetching local seed packet: ${location}`);
 		}
-		const data = await this.profile.localFetch(location);
+		const str = await this.profile.localFetch(location);
+		const data = JSON.parse(str);
 		return seedPacket.parse(data);
 	}
 

src/profile.ts

@@ -99,7 +99,7 @@ export class Profile{
 		console.log(message, ...optionalParams);
 	}
 
-	async localFetch(_location : string) : Promise<unknown> {
+	async localFetch(_location : string) : Promise<string> {
 		throw new Error('localFetch is not supported on this profile type');
 	}
 

tools/profile_filesystem.ts

@@ -44,9 +44,8 @@ export class ProfileFilesystem extends Profile {
 		this._storeFilesystems = {};
 	}
 
-	override async localFetch(location : string) : Promise<unknown> {
-		const file = fs.readFileSync(location).toString();
-		return JSON.parse(file);
+	override async localFetch(location : string) : Promise<string> {
+		return fs.readFileSync(location).toString();
 	}
 
 	override async prompt(question: string, defaultValue: LeafValue): Promise<string> {