refactor(core): Move ApplicationError to @n8n/errors (#17667)

packages/@n8n/errors/package.json

@@ -21,6 +21,10 @@
     "dist/**/*"
   ],
   "devDependencies": {
-    "@n8n/typescript-config": "workspace:*"
+    "@n8n/typescript-config": "workspace:*",
+    "@sentry/node": "catalog:"
+  },
+  "dependencies": {
+    "callsites": "catalog:"
   }
 }

packages/@n8n/errors/src/application.error.ts

@@ -0,0 +1,36 @@
+import type { Event } from '@sentry/node';
+import callsites from 'callsites';
+
+import type { ErrorLevel, ReportingOptions } from './types';
+
+/**
+ * @deprecated Use `UserError`, `OperationalError` or `UnexpectedError` instead.
+ */
+export class ApplicationError extends Error {
+	level: ErrorLevel;
+
+	readonly tags: NonNullable<Event['tags']>;
+
+	readonly extra?: Event['extra'];
+
+	readonly packageName?: string;
+
+	constructor(
+		message: string,
+		{ level, tags = {}, extra, ...rest }: ErrorOptions & ReportingOptions = {},
+	) {
+		super(message, rest);
+		this.level = level ?? 'error';
+		this.tags = tags;
+		this.extra = extra;
+
+		try {
+			const filePath = callsites()[2].getFileName() ?? '';
+			// eslint-disable-next-line no-useless-escape
+			const match = /packages\/([^\/]+)\//.exec(filePath)?.[1];
+
+			if (match) this.tags.packageName = match;
+			// eslint-disable-next-line no-empty
+		} catch {}
+	}
+}

packages/@n8n/errors/src/index.ts

@@ -1 +1,2 @@
-export {};
+export { ApplicationError } from './application.error';
+export * from './types';

packages/@n8n/errors/src/types.ts

@@ -0,0 +1,16 @@
+import type { Event } from '@sentry/node';
+
+export type ErrorLevel = 'fatal' | 'error' | 'warning' | 'info';
+
+export type ErrorTags = NonNullable<Event['tags']>;
+
+export type ReportingOptions = {
+	/** Whether the error should be reported to Sentry */
+	shouldReport?: boolean;
+	/** Whether the error log should be logged (default to true) */
+	shouldBeLogged?: boolean;
+	level?: ErrorLevel;
+	tags?: ErrorTags;
+	extra?: Event['extra'];
+	executionId?: string;
+};

packages/@n8n/nodes-langchain/nodes/trigger/ChatTrigger/error.ts

@@ -1,4 +1,4 @@
-import { ApplicationError } from 'n8n-workflow';
+import { ApplicationError } from '@n8n/errors';
 
 export class ChatTriggerAuthorizationError extends ApplicationError {
 	constructor(

packages/@n8n/nodes-langchain/package.json

@@ -157,9 +157,9 @@
     "@types/sanitize-html": "^2.11.0",
     "@types/temp": "^0.9.1",
     "fast-glob": "catalog:",
+    "jest-mock-extended": "^3.0.4",
     "n8n-core": "workspace:*",
-    "tsup": "catalog:",
-    "jest-mock-extended": "^3.0.4"
+    "tsup": "catalog:"
   },
   "dependencies": {
     "@aws-sdk/client-sso-oidc": "3.808.0",
@@ -190,6 +190,7 @@
     "@modelcontextprotocol/sdk": "1.12.0",
     "@mozilla/readability": "0.6.0",
     "@n8n/client-oauth2": "workspace:*",
+    "@n8n/errors": "workspace:^",
     "@n8n/json-schema-to-zod": "workspace:*",
     "@n8n/typeorm": "0.3.20-12",
     "@n8n/typescript-config": "workspace:*",

packages/@n8n/task-runner/package.json

@@ -36,6 +36,7 @@
   "dependencies": {
     "@n8n/config": "workspace:*",
     "@n8n/di": "workspace:*",
+    "@n8n/errors": "workspace:^",
     "@sentry/node": "catalog:",
     "acorn": "8.14.0",
     "acorn-walk": "8.3.4",

packages/@n8n/task-runner/src/health-check-server.ts

@@ -1,4 +1,4 @@
-import { ApplicationError } from 'n8n-workflow';
+import { ApplicationError } from '@n8n/errors';
 import { createServer } from 'node:http';
 
 export class HealthCheckServer {

packages/@n8n/task-runner/src/js-task-runner/__tests__/require-resolver.test.ts

@@ -1,4 +1,4 @@
-import { ApplicationError } from 'n8n-workflow';
+import { ApplicationError } from '@n8n/errors';
 
 import { ExecutionError } from '@/js-task-runner/errors/execution-error';
 

packages/@n8n/task-runner/src/js-task-runner/errors/task-cancelled-error.ts

@@ -1,4 +1,4 @@
-import { ApplicationError } from 'n8n-workflow';
+import { ApplicationError } from '@n8n/errors';
 
 export class TaskCancelledError extends ApplicationError {
 	constructor(reason: string) {

packages/@n8n/task-runner/src/js-task-runner/errors/timeout-error.ts

@@ -1,4 +1,4 @@
-import { ApplicationError } from 'n8n-workflow';
+import { ApplicationError } from '@n8n/errors';
 
 export class TimeoutError extends ApplicationError {
 	description: string;

packages/@n8n/task-runner/src/js-task-runner/errors/unsupported-function.error.ts

@@ -1,4 +1,4 @@
-import { ApplicationError } from 'n8n-workflow';
+import { ApplicationError } from '@n8n/errors';
 
 /**
  * Error that indicates that a specific function is not available in the

packages/@n8n/task-runner/src/js-task-runner/require-resolver.ts

@@ -1,4 +1,4 @@
-import { ApplicationError } from 'n8n-workflow';
+import { ApplicationError } from '@n8n/errors';
 import { isBuiltin } from 'node:module';
 
 import { ExecutionError } from './errors/execution-error';