refactor(core): Abstract away InstanceSettings and encryptionKey into injectable services (no-changelog) (#7471)

This change ensures that things like `encryptionKey` and `instanceId`
are always available directly where they are needed, instead of passing
them around throughout the code.

packages/node-dev/commands/build.ts

@@ -1,4 +1,5 @@
-import { UserSettings } from 'n8n-core';
+import { Container } from 'typedi';
+import { InstanceSettings } from 'n8n-core';
 import { Command, flags } from '@oclif/command';
 
 import type { IBuildOptions } from '../src';
@@ -17,7 +18,9 @@ export class Build extends Command {
 		help: flags.help({ char: 'h' }),
 		destination: flags.string({
 			char: 'd',
-			description: `The path to copy the compiles files to [default: ${UserSettings.getUserN8nFolderCustomExtensionPath()}]`,
+			description: `The path to copy the compiled files to [default: ${
+				Container.get(InstanceSettings).customExtensionDir
+			}]`,
 		}),
 		watch: flags.boolean({
 			description:

packages/node-dev/package.json

@@ -59,6 +59,7 @@
     "n8n-core": "workspace:*",
     "n8n-workflow": "workspace:*",
     "replace-in-file": "^6.0.0",
-    "tmp-promise": "^3.0.3"
+    "tmp-promise": "^3.0.3",
+    "typedi": "^0.10.0"
   }
 }

packages/node-dev/src/Build.ts

@@ -4,10 +4,11 @@ import glob from 'fast-glob';
 import { spawn } from 'child_process';
 import { copyFile, mkdir, readFile, writeFile } from 'fs/promises';
 import { join, dirname, resolve as resolvePath } from 'path';
+import { Container } from 'typedi';
 import { file as tmpFile } from 'tmp-promise';
 
 import { jsonParse } from 'n8n-workflow';
-import { UserSettings } from 'n8n-core';
+import { InstanceSettings } from 'n8n-core';
 import type { IBuildOptions } from './Interfaces';
 
 /**
@@ -49,7 +50,7 @@ export async function createCustomTsconfig() {
  * @param {IBuildOptions} [options] Options to overwrite default behavior
  */
 export async function buildFiles({
-	destinationFolder = UserSettings.getUserN8nFolderCustomExtensionPath(),
+	destinationFolder = Container.get(InstanceSettings).customExtensionDir,
 	watch,
 }: IBuildOptions): Promise<string> {
 	const tscPath = join(dirname(require.resolve('typescript')), 'tsc');