refactor(core): Rename some runners files and classes for clarity (#12410)

packages/cli/src/task-runners/errors/task-runner-oom-error.ts

@@ -0,0 +1,35 @@
+import { ApplicationError } from 'n8n-workflow';
+
+import type { TaskRunner } from '../task-broker.service';
+
+export class TaskRunnerOomError extends ApplicationError {
+	description: string;
+
+	constructor(
+		readonly runnerId: TaskRunner['id'],
+		isCloudDeployment: boolean,
+	) {
+		super('Node ran out of memory.', { level: 'error' });
+
+		const fixSuggestions = {
+			reduceItems:
+				'Reduce the number of items processed at a time, by batching them using a loop node',
+			increaseMemory:
+				"Increase the memory available to the task runner with 'N8N_RUNNERS_MAX_OLD_SPACE_SIZE' environment variable",
+			upgradePlan: 'Upgrade your cloud plan to increase the available memory',
+		};
+
+		const subtitle =
+			'This usually happens when there are too many items to process. You can try the following:';
+		const suggestions = isCloudDeployment
+			? [fixSuggestions.reduceItems, fixSuggestions.upgradePlan]
+			: [fixSuggestions.reduceItems, fixSuggestions.increaseMemory];
+		const suggestionsText = suggestions
+			.map((suggestion, index) => `${index + 1}. ${suggestion}`)
+			.join('<br/>');
+
+		const description = `${subtitle}<br/><br/>${suggestionsText}`;
+
+		this.description = description;
+	}
+}