feat(editor): Replace root events with event bus events (no-changelog) (#6454)

* feat: replace root events with event bus events

* fix: prevent cypress from replacing global with globalThis in import path

* feat: remove emitter mixin

* fix: replace component events with event bus

* fix: fix linting issue

* fix: fix breaking expression switch

* chore: prettify ndv e2e suite code

cypress/e2e/5-ndv.cy.ts

@@ -50,7 +50,7 @@ describe('NDV', () => {
 		workflowPage.getters.canvasNodes().last().dblclick();
 		ndv.getters.inputSelect().click();
 		ndv.getters.inputOption().last().click();
-		ndv.getters.inputDataContainer().find('[class*=schema_]').should('exist')
+		ndv.getters.inputDataContainer().find('[class*=schema_]').should('exist');
 		ndv.getters.inputDataContainer().should('contain', 'start');
 	});
 
@@ -96,10 +96,20 @@ describe('NDV', () => {
 		ndv.getters.container().should('be.visible');
 		workflowPage.actions.saveWorkflowUsingKeyboardShortcut();
 		workflowPage.getters.isWorkflowSaved();
-	})
+	});
 
 	describe('test output schema view', () => {
-		const schemaKeys = ['id', 'name', 'email', 'notes', 'country', 'created', 'objectValue', 'prop1', 'prop2'];
+		const schemaKeys = [
+			'id',
+			'name',
+			'email',
+			'notes',
+			'country',
+			'created',
+			'objectValue',
+			'prop1',
+			'prop2',
+		];
 		function setupSchemaWorkflow() {
 			cy.createFixtureWorkflow('Test_workflow_schema_test.json', `NDV test schema view ${uuid()}`);
 			workflowPage.actions.zoomToFit();
@@ -108,41 +118,62 @@ describe('NDV', () => {
 		}
 
 		it('should switch to output schema view and validate it', () => {
-			setupSchemaWorkflow()
+			setupSchemaWorkflow();
 			ndv.getters.outputDisplayMode().children().should('have.length', 3);
 			ndv.getters.outputDisplayMode().find('[class*=active]').should('contain', 'Table');
 			ndv.getters.outputDisplayMode().contains('Schema').click();
 			ndv.getters.outputDisplayMode().find('[class*=active]').should('contain', 'Schema');
 
 			schemaKeys.forEach((key) => {
-				ndv.getters.outputPanel().find('[data-test-id=run-data-schema-item]').contains(key).should('exist');
+				ndv.getters
+					.outputPanel()
+					.find('[data-test-id=run-data-schema-item]')
+					.contains(key)
+					.should('exist');
 			});
 		});
 		it('should preserve schema view after execution', () => {
-			setupSchemaWorkflow()
+			setupSchemaWorkflow();
 			ndv.getters.outputDisplayMode().contains('Schema').click();
 			ndv.actions.execute();
 			ndv.getters.outputDisplayMode().find('[class*=active]').should('contain', 'Schema');
-		})
+		});
 		it('should collapse and expand nested schema object', () => {
-			setupSchemaWorkflow()
-			const expandedObjectProps = ['prop1', 'prop2'];;
-			const getObjectValueItem = () => ndv.getters.outputPanel().find('[data-test-id=run-data-schema-item]').filter(':contains("objectValue")');
+			setupSchemaWorkflow();
+			const expandedObjectProps = ['prop1', 'prop2'];
+			const getObjectValueItem = () =>
+				ndv.getters
+					.outputPanel()
+					.find('[data-test-id=run-data-schema-item]')
+					.filter(':contains("objectValue")');
 			ndv.getters.outputDisplayMode().contains('Schema').click();
 
 			expandedObjectProps.forEach((key) => {
-				ndv.getters.outputPanel().find('[data-test-id=run-data-schema-item]').contains(key).should('be.visible');
+				ndv.getters
+					.outputPanel()
+					.find('[data-test-id=run-data-schema-item]')
+					.contains(key)
+					.should('be.visible');
 			});
 			getObjectValueItem().find('label').click();
 			expandedObjectProps.forEach((key) => {
-				ndv.getters.outputPanel().find('[data-test-id=run-data-schema-item]').contains(key).should('not.be.visible');
+				ndv.getters
+					.outputPanel()
+					.find('[data-test-id=run-data-schema-item]')
+					.contains(key)
+					.should('not.be.visible');
 			});
-		})
+		});
 		it('should not display pagination for schema', () => {
-			setupSchemaWorkflow()
+			setupSchemaWorkflow();
 			ndv.getters.backToCanvas().click();
 			workflowPage.getters.canvasNodeByName('Set').click();
-			workflowPage.actions.addNodeToCanvas('Customer Datastore (n8n training)', true, true, 'Get All People');
+			workflowPage.actions.addNodeToCanvas(
+				'Customer Datastore (n8n training)',
+				true,
+				true,
+				'Get All People',
+			);
 			ndv.actions.execute();
 			ndv.getters.outputPanel().contains('25 items').should('exist');
 			ndv.getters.outputPanel().find('[class*=_pagination]').should('exist');
@@ -150,9 +181,12 @@ describe('NDV', () => {
 			ndv.getters.outputPanel().find('[class*=_pagination]').should('not.exist');
 			ndv.getters.outputDisplayMode().contains('JSON').click();
 			ndv.getters.outputPanel().find('[class*=_pagination]').should('exist');
-		})
+		});
 		it('should display large schema', () => {
-			cy.createFixtureWorkflow('Test_workflow_schema_test_pinned_data.json', `NDV test schema view ${uuid()}`);
+			cy.createFixtureWorkflow(
+				'Test_workflow_schema_test_pinned_data.json',
+				`NDV test schema view ${uuid()}`,
+			);
 			workflowPage.actions.zoomToFit();
 			workflowPage.actions.openNode('Set');
 
@@ -160,8 +194,11 @@ describe('NDV', () => {
 			ndv.getters.outputPanel().find('[class*=_pagination]').should('exist');
 			ndv.getters.outputDisplayMode().contains('Schema').click();
 			ndv.getters.outputPanel().find('[class*=_pagination]').should('not.exist');
-			ndv.getters.outputPanel().find('[data-test-id=run-data-schema-item] [data-test-id=run-data-schema-item]').should('have.length', 20);
-		})
+			ndv.getters
+				.outputPanel()
+				.find('[data-test-id=run-data-schema-item] [data-test-id=run-data-schema-item]')
+				.should('have.length', 20);
+		});
 	});
 
 	it('can link and unlink run selectors between input and output', () => {
@@ -170,11 +207,13 @@ describe('NDV', () => {
 		workflowPage.actions.executeWorkflow();
 		workflowPage.actions.openNode('Set3');
 
-		ndv.getters.inputRunSelector()
+		ndv.getters
+			.inputRunSelector()
 			.should('exist')
 			.find('input')
 			.should('include.value', '2 of 2 (6 items)');
-		ndv.getters.outputRunSelector()
+		ndv.getters
+			.outputRunSelector()
 			.should('exist')
 			.find('input')
 			.should('include.value', '2 of 2 (6 items)');
@@ -183,23 +222,20 @@ describe('NDV', () => {
 		ndv.actions.switchOutputMode('Table');
 
 		ndv.actions.changeOutputRunSelector('1 of 2 (6 items)');
-		ndv.getters.inputRunSelector()
-			.find('input')
-			.should('include.value', '1 of 2 (6 items)');
+		ndv.getters.inputRunSelector().find('input').should('include.value', '1 of 2 (6 items)');
 		ndv.getters.inputTbodyCell(1, 0).should('have.text', '1111');
 		ndv.getters.outputTbodyCell(1, 0).should('have.text', '1111');
 
 		ndv.getters.inputTbodyCell(1, 0).click(); // remove tooltip
 		ndv.actions.changeInputRunSelector('2 of 2 (6 items)');
-		ndv.getters.outputRunSelector()
-			.find('input')
-			.should('include.value', '2 of 2 (6 items)');
+		ndv.getters.outputRunSelector().find('input').should('include.value', '2 of 2 (6 items)');
 
 		// unlink
 		ndv.actions.toggleOutputRunLinking();
 		ndv.getters.inputTbodyCell(1, 0).click(); // remove tooltip
 		ndv.actions.changeOutputRunSelector('1 of 2 (6 items)');
-		ndv.getters.inputRunSelector()
+		ndv.getters
+			.inputRunSelector()
 			.should('exist')
 			.find('input')
 			.should('include.value', '2 of 2 (6 items)');
@@ -207,24 +243,18 @@ describe('NDV', () => {
 		// link again
 		ndv.actions.toggleOutputRunLinking();
 		ndv.getters.inputTbodyCell(1, 0).click(); // remove tooltip
-		ndv.getters.inputRunSelector()
-			.find('input')
-			.should('include.value', '1 of 2 (6 items)');
-		
+		ndv.getters.inputRunSelector().find('input').should('include.value', '1 of 2 (6 items)');
+
 		// unlink again
 		ndv.actions.toggleInputRunLinking();
 		ndv.getters.inputTbodyCell(1, 0).click(); // remove tooltip
 		ndv.actions.changeInputRunSelector('2 of 2 (6 items)');
-		ndv.getters.outputRunSelector()
-			.find('input')
-			.should('include.value', '1 of 2 (6 items)');
+		ndv.getters.outputRunSelector().find('input').should('include.value', '1 of 2 (6 items)');
 
 		// link again
 		ndv.actions.toggleInputRunLinking();
 		ndv.getters.inputTbodyCell(1, 0).click(); // remove tooltip
-		ndv.getters.outputRunSelector()
-			.find('input')
-			.should('include.value', '2 of 2 (6 items)');
+		ndv.getters.outputRunSelector().find('input').should('include.value', '2 of 2 (6 items)');
 	});
 
 	it('should display parameter hints correctly', () => {
@@ -247,21 +277,19 @@ describe('NDV', () => {
 				input: ' test',
 			},
 			{
-				input: ' '
+				input: ' ',
 			},
 			{
-				input: '<div></div>'
+				input: '<div></div>',
 			},
 		].forEach(({ input, output }) => {
+			if (input) {
+				ndv.actions.typeIntoParameterInput('value', input);
+			}
+			ndv.getters.parameterInput('name').click(); // remove focus from input, hide expression preview
 
-
-				if (input) {
-					ndv.actions.typeIntoParameterInput('value', input);
-				}
-				ndv.getters.parameterInput('name').click(); // remove focus from input, hide expression preview
-
-				ndv.actions.validateExpressionPreview('value', output || input);
-				ndv.getters.parameterInput('value').clear();
-			});
+			ndv.actions.validateExpressionPreview('value', output || input);
+			ndv.getters.parameterInput('value').clear();
+		});
 	});
 });

packages/editor-ui/src/components/IntersectionObserved.vue

@@ -5,25 +5,35 @@
 </template>
 
 <script lang="ts">
+import type { PropType } from 'vue';
 import { defineComponent } from 'vue';
-import emitter from '@/mixins/emitter';
+import type { EventBus } from 'n8n-design-system/utils';
+import { createEventBus } from 'n8n-design-system/utils';
 
 export default defineComponent({
 	name: 'IntersectionObserved',
-	mixins: [emitter],
-	props: ['enabled'],
+	props: {
+		enabled: {
+			type: Boolean,
+			default: false,
+		},
+		eventBus: {
+			type: Object as PropType<EventBus>,
+			default: () => createEventBus(),
+		},
+	},
 	mounted() {
 		if (!this.enabled) {
 			return;
 		}
 
 		this.$nextTick(() => {
-			this.$dispatch('IntersectionObserver', 'observe', this.$refs.observed);
+			this.eventBus.emit('observe', this.$refs.observed);
 		});
 	},
 	beforeDestroy() {
 		if (this.enabled) {
-			this.$dispatch('IntersectionObserver', 'unobserve', this.$refs.observed);
+			this.eventBus.emit('unobserve', this.$refs.observed);
 		}
 	},
 });

packages/editor-ui/src/components/IntersectionObserver.vue

@@ -5,11 +5,27 @@
 </template>
 
 <script lang="ts">
+import type { PropType } from 'vue';
 import { defineComponent } from 'vue';
+import type { EventBus } from 'n8n-design-system/utils';
+import { createEventBus } from 'n8n-design-system/utils';
 
 export default defineComponent({
 	name: 'IntersectionObserver',
-	props: ['threshold', 'enabled'],
+	props: {
+		threshold: {
+			type: Number,
+			default: 0,
+		},
+		enabled: {
+			type: Boolean,
+			default: false,
+		},
+		eventBus: {
+			type: Object as PropType<EventBus>,
+			default: () => createEventBus(),
+		},
+	},
 	data() {
 		return {
 			observer: null,
@@ -35,13 +51,13 @@ export default defineComponent({
 			});
 		}, options);
 
-		this.$data.observer = observer;
+		this.observer = observer;
 
-		this.$on('observe', (observed: Element) => {
+		this.eventBus.on('observe', (observed: Element) => {
 			observer.observe(observed);
 		});
 
-		this.$on('unobserve', (observed: Element) => {
+		this.eventBus.on('unobserve', (observed: Element) => {
 			observer.unobserve(observed);
 		});
 	},

packages/editor-ui/src/components/MainHeader/WorkflowDetails.vue

@@ -166,6 +166,7 @@ import type { IPermissions } from '@/permissions';
 import { getWorkflowPermissions } from '@/permissions';
 import { createEventBus } from 'n8n-design-system';
 import { useCloudPlanStore } from '@/stores';
+import { nodeViewEventBus } from '@/event-bus';
 
 const hasChanged = (prev: string[], curr: string[]) => {
 	if (prev.length !== curr.length) {
@@ -445,7 +446,7 @@ export default defineComponent({
 					return;
 				}
 
-				this.$root.$emit('importWorkflowData', { data: workflowData });
+				nodeViewEventBus.emit('importWorkflowData', { data: workflowData });
 			};
 
 			const inputRef = this.$refs.importFile as HTMLInputElement | undefined;
@@ -505,7 +506,7 @@ export default defineComponent({
 							},
 						)) as MessageBoxInputData;
 
-						this.$root.$emit('importWorkflowUrl', { url: promptResponse.value });
+						nodeViewEventBus.emit('importWorkflowUrl', { url: promptResponse.value });
 					} catch (e) {}
 					break;
 				}

packages/editor-ui/src/components/ParameterInput.vue

@@ -28,6 +28,7 @@
 				:droppable="droppable"
 				:node="node"
 				:path="path"
+				:event-bus="eventBus"
 				@input="valueChanged"
 				@modalOpenerClick="openExpressionEditorModal"
 				@focus="setFocus"
@@ -391,8 +392,8 @@ import { useCredentialsStore } from '@/stores/credentials.store';
 import { useSettingsStore } from '@/stores/settings.store';
 import { htmlEditorEventBus } from '@/event-bus';
 import Vue from 'vue';
-
-type ResourceLocatorRef = InstanceType<typeof ResourceLocator>;
+import type { EventBus } from 'n8n-design-system/utils';
+import { createEventBus } from 'n8n-design-system/utils';
 
 export default defineComponent({
 	name: 'parameter-input',
@@ -463,6 +464,10 @@ export default defineComponent({
 				size: 'small',
 			}),
 		},
+		eventBus: {
+			type: Object as PropType<EventBus>,
+			default: () => createEventBus(),
+		},
 	},
 	data() {
 		return {
@@ -1112,9 +1117,7 @@ export default defineComponent({
 				}
 			} else if (command === 'refreshOptions') {
 				if (this.isResourceLocatorParameter) {
-					const resourceLocatorRef = this.$refs.resourceLocator as ResourceLocatorRef | undefined;
-
-					resourceLocatorRef?.$emit('refreshList');
+					this.eventBus.emit('refreshList');
 				}
 				void this.loadRemoteParameterOptions();
 			} else if (command === 'formatHtml') {
@@ -1146,7 +1149,7 @@ export default defineComponent({
 		});
 	},
 	mounted() {
-		this.$on('optionSelected', this.optionSelected);
+		this.eventBus.on('optionSelected', this.optionSelected);
 
 		this.tempValue = this.displayValue as string;
 		if (this.node !== null) {
@@ -1186,6 +1189,9 @@ export default defineComponent({
 			inputFieldRef: this.$refs['inputField'],
 		});
 	},
+	beforeDestroy() {
+		this.eventBus.off('optionSelected', this.optionSelected);
+	},
 });
 </script>
 

packages/editor-ui/src/components/ParameterInputExpanded.vue

@@ -32,6 +32,7 @@
 				:isForCredential="true"
 				:eventSource="eventSource"
 				:hint="!showRequiredErrors ? hint : ''"
+				:event-bus="eventBus"
 				@focus="onFocus"
 				@blur="onBlur"
 				@textInput="valueChanged"
@@ -65,6 +66,7 @@ import { isValueExpression } from '@/utils';
 import type { INodeParameterResourceLocator, INodeProperties, IParameterLabel } from 'n8n-workflow';
 import { mapStores } from 'pinia';
 import { useWorkflowsStore } from '@/stores/workflows.store';
+import { createEventBus } from 'n8n-design-system/utils';
 
 type ParamRef = InstanceType<typeof ParameterInputWrapper>;
 
@@ -100,6 +102,7 @@ export default defineComponent({
 			focused: false,
 			blurredEver: false,
 			menuExpanded: false,
+			eventBus: createEventBus(),
 		};
 	},
 	computed: {
@@ -147,9 +150,7 @@ export default defineComponent({
 			this.menuExpanded = expanded;
 		},
 		optionSelected(command: string) {
-			if (this.$refs.param) {
-				(this.$refs.param as ParamRef).$emit('optionSelected', command);
-			}
+			this.eventBus.emit('optionSelected', command);
 		},
 		valueChanged(parameterData: IUpdateInformation) {
 			this.$emit('change', parameterData);

packages/editor-ui/src/components/ParameterInputFull.vue

@@ -56,6 +56,7 @@
 							:hint="hint"
 							:hide-issues="hideIssues"
 							:label="label"
+							:event-bus="eventBus"
 							@valueChanged="valueChanged"
 							@textInput="onTextInput"
 							@focus="onFocus"
@@ -98,6 +99,7 @@ import { useNDVStore } from '@/stores/ndv.store';
 import { useSegment } from '@/stores/segment.store';
 import { externalHooks } from '@/mixins/externalHooks';
 import { getMappedResult } from '@/utils/mappingUtils';
+import { createEventBus } from 'n8n-design-system/utils';
 
 type ParameterInputWrapperRef = InstanceType<typeof ParameterInputWrapper>;
 
@@ -112,7 +114,10 @@ export default defineComponent({
 		ParameterInputWrapper,
 	},
 	setup() {
+		const eventBus = createEventBus();
+
 		return {
+			eventBus,
 			...useToast(),
 		};
 	},
@@ -234,17 +239,14 @@ export default defineComponent({
 			this.menuExpanded = expanded;
 		},
 		optionSelected(command: string) {
-			const paramRef = this.$refs.param as ParameterInputWrapperRef | undefined;
-			paramRef?.$emit('optionSelected', command);
+			this.eventBus.emit('optionSelected', command);
 		},
 		valueChanged(parameterData: IUpdateInformation) {
 			this.$emit('valueChanged', parameterData);
 		},
 		onTextInput(parameterData: IUpdateInformation) {
-			const paramRef = this.$refs.param as ParameterInputWrapperRef | undefined;
-
 			if (isValueExpression(this.parameter, parameterData.value)) {
-				paramRef?.$emit('optionSelected', 'addExpression');
+				this.eventBus.emit('optionSelected', 'addExpression');
 			}
 		},
 		onDrop(newParamValue: string) {

packages/editor-ui/src/components/ParameterInputWrapper.vue

@@ -18,6 +18,7 @@
 			:expressionEvaluated="expressionValueComputed"
 			:label="label"
 			:data-test-id="`parameter-input-${parameter.name}`"
+			:event-bus="internalEventBus"
 			@focus="onFocus"
 			@blur="onBlur"
 			@drop="onDrop"
@@ -61,8 +62,8 @@ import type { INodeUi, IUpdateInformation, TargetItem } from '@/Interface';
 import { workflowHelpers } from '@/mixins/workflowHelpers';
 import { isValueExpression } from '@/utils';
 import { useNDVStore } from '@/stores/ndv.store';
-
-type ParamRef = InstanceType<typeof ParameterInput>;
+import type { EventBus } from 'n8n-design-system/utils';
+import { createEventBus } from 'n8n-design-system/utils';
 
 export default defineComponent({
 	name: 'parameter-input-wrapper',
@@ -71,8 +72,16 @@ export default defineComponent({
 		ParameterInput,
 		InputHint,
 	},
+	data() {
+		return {
+			internalEventBus: createEventBus(),
+		};
+	},
 	mounted() {
-		this.$on('optionSelected', this.optionSelected);
+		this.eventBus.on('optionSelected', this.optionSelected);
+	},
+	beforeDestroy() {
+		this.eventBus.off('optionSelected', this.optionSelected);
 	},
 	props: {
 		isReadOnly: {
@@ -124,6 +133,10 @@ export default defineComponent({
 				size: 'small',
 			}),
 		},
+		eventBus: {
+			type: Object as PropType<EventBus>,
+			default: () => createEventBus(),
+		},
 	},
 	computed: {
 		...mapStores(useNDVStore),
@@ -217,9 +230,7 @@ export default defineComponent({
 			this.$emit('drop', data);
 		},
 		optionSelected(command: string) {
-			const paramRef = this.$refs.param as ParamRef | undefined;
-
-			paramRef?.$emit('optionSelected', command);
+			this.internalEventBus.emit('optionSelected', command);
 		},
 		onValueChanged(parameterData: IUpdateInformation) {
 			this.$emit('valueChanged', parameterData);

packages/editor-ui/src/components/ResourceLocator/ResourceLocator.vue

@@ -15,11 +15,11 @@
 			:hasMore="currentQueryHasMore"
 			:errorView="currentQueryError"
 			:width="width"
+			:event-bus="eventBus"
 			@input="onListItemSelected"
 			@hide="onDropdownHide"
 			@filter="onSearchFilter"
 			@loadMore="loadResourcesDebounced"
-			ref="dropdown"
 		>
 			<template #error>
 				<div :class="$style.error" data-test-id="rlc-error-container">
@@ -176,8 +176,8 @@ import { useWorkflowsStore } from '@/stores/workflows.store';
 import { useRootStore } from '@/stores/n8nRoot.store';
 import { useNDVStore } from '@/stores/ndv.store';
 import { useNodeTypesStore } from '@/stores/nodeTypes.store';
-
-type ResourceLocatorDropdownRef = InstanceType<typeof ResourceLocatorDropdown>;
+import { createEventBus } from 'n8n-design-system/utils';
+import type { EventBus } from 'n8n-design-system/utils';
 
 interface IResourceLocatorQuery {
 	results: INodeListSearchItems[];
@@ -256,6 +256,10 @@ export default defineComponent({
 		loadOptionsMethod: {
 			type: String,
 		},
+		eventBus: {
+			type: Object as PropType<EventBus>,
+			default: () => createEventBus(),
+		},
 	},
 	data() {
 		return {
@@ -475,17 +479,20 @@ export default defineComponent({
 		},
 	},
 	mounted() {
-		this.$on('refreshList', this.refreshList);
+		this.eventBus.on('refreshList', this.refreshList);
 		window.addEventListener('resize', this.setWidth);
+
 		useNDVStore().$subscribe((mutation, state) => {
 			// Update the width when main panel dimension change
 			this.setWidth();
 		});
+
 		setTimeout(() => {
 			this.setWidth();
 		}, 0);
 	},
 	beforeDestroy() {
+		this.eventBus.off('refreshList', this.refreshList);
 		window.removeEventListener('resize', this.setWidth);
 	},
 	methods: {
@@ -510,9 +517,8 @@ export default defineComponent({
 			this.trackEvent('User refreshed resource locator list');
 		},
 		onKeyDown(e: MouseEvent) {
-			const dropdownRef = this.$refs.dropdown as ResourceLocatorDropdownRef | undefined;
-			if (dropdownRef && this.showResourceDropdown && !this.isSearchable) {
-				dropdownRef.$emit('keyDown', e);
+			if (this.showResourceDropdown && !this.isSearchable) {
+				this.eventBus.emit('keyDown', e);
 			}
 		},
 		openResource(url: string) {

packages/editor-ui/src/components/ResourceLocator/ResourceLocatorDropdown.vue

@@ -82,6 +82,8 @@
 import type { IResourceLocatorResultExpanded } from '@/Interface';
 import { defineComponent } from 'vue';
 import type { PropType } from 'vue';
+import type { EventBus } from 'n8n-design-system/utils';
+import { createEventBus } from 'n8n-design-system/utils';
 
 const SEARCH_BAR_HEIGHT_PX = 40;
 const SCROLL_MARGIN_PX = 10;
@@ -120,6 +122,10 @@ export default defineComponent({
 		width: {
 			type: Number,
 		},
+		eventBus: {
+			type: Object as PropType<EventBus>,
+			default: () => createEventBus(),
+		},
 	},
 	data() {
 		return {
@@ -128,7 +134,10 @@ export default defineComponent({
 		};
 	},
 	mounted() {
-		this.$on('keyDown', this.onKeyDown);
+		this.eventBus.on('keyDown', this.onKeyDown);
+	},
+	beforeDestroy() {
+		this.eventBus.off('keyDown', this.onKeyDown);
 	},
 	computed: {
 		sortedResources(): IResourceLocatorResultExpanded[] {

packages/editor-ui/src/components/TagsContainer.vue

@@ -4,6 +4,7 @@
 		@observed="onObserved"
 		class="tags-container"
 		:enabled="responsive"
+		:event-bus="intersectionEventBus"
 	>
 		<template>
 			<span class="tags">
@@ -26,6 +27,7 @@
 						:class="{ hidden: tag.hidden }"
 						:data-id="tag.id"
 						:enabled="responsive"
+						:event-bus="intersectionEventBus"
 						v-else
 					>
 						<el-tag :title="tag.name" type="info" size="small" :class="{ hoverable }">
@@ -46,6 +48,7 @@ import IntersectionObserver from './IntersectionObserver.vue';
 import IntersectionObserved from './IntersectionObserved.vue';
 import { mapStores } from 'pinia';
 import { useTagsStore } from '@/stores/tags.store';
+import { createEventBus } from 'n8n-design-system/utils';
 
 // random upper limit if none is set to minimize performance impact of observers
 const DEFAULT_MAX_TAGS_LIMIT = 20;
@@ -62,6 +65,7 @@ export default defineComponent({
 	props: ['tagIds', 'limit', 'clickable', 'responsive', 'hoverable'],
 	data() {
 		return {
+			intersectionEventBus: createEventBus(),
 			visibility: {} as { [id: string]: boolean },
 		};
 	},

packages/editor-ui/src/composables/useGlobalLinkActions.ts

@@ -3,13 +3,14 @@
  * unsafe onclick attribute
  */
 import { reactive, del, computed, onMounted, onUnmounted, getCurrentInstance } from 'vue';
+import { globalLinkActionsEventBus } from '@/event-bus';
 
 const state = reactive({
 	customActions: {} as Record<string, Function>,
 });
 
 export default () => {
-	function registerCustomAction(key: string, action: Function) {
+	function registerCustomAction({ key, action }: { key: string; action: Function }) {
 		state.customActions[key] = action;
 	}
 	function unregisterCustomAction(key: string) {
@@ -42,13 +43,15 @@ export default () => {
 	onMounted(() => {
 		const instance = getCurrentInstance();
 		window.addEventListener('click', delegateClick);
-		instance?.proxy.$root.$on('registerGlobalLinkAction', registerCustomAction);
+
+		globalLinkActionsEventBus.on('registerGlobalLinkAction', registerCustomAction);
 	});
 
 	onUnmounted(() => {
 		const instance = getCurrentInstance();
 		window.removeEventListener('click', delegateClick);
-		instance?.proxy.$root.$off('registerGlobalLinkAction', registerCustomAction);
+
+		globalLinkActionsEventBus.off('registerGlobalLinkAction', registerCustomAction);
 	});
 
 	return {

packages/editor-ui/src/event-bus/index.ts

@@ -1,4 +1,5 @@
 export * from './code-node-editor';
 export * from './data-pinning';
+export * from './link-actions';
 export * from './html-editor';
 export * from './node-view';

packages/editor-ui/src/event-bus/link-actions.ts

@@ -0,0 +1,3 @@
+import { createEventBus } from 'n8n-design-system';
+
+export const globalLinkActionsEventBus = createEventBus();

packages/editor-ui/src/mixins/emitter.ts

@@ -1,50 +0,0 @@
-/* eslint-disable @typescript-eslint/no-explicit-any */
-import { defineComponent } from 'vue';
-
-function broadcast(
-	this: InstanceType<typeof EmitterMixin>,
-	componentName: string,
-	eventName: string,
-	params: any,
-) {
-	this.$children.forEach((child) => {
-		const name = child.$options.name;
-
-		if (name === componentName) {
-			// eslint-disable-next-line prefer-spread
-			child.$emit.apply(child, [eventName].concat(params) as Parameters<typeof child.$emit>);
-		} else {
-			broadcast.apply(
-				child as InstanceType<typeof EmitterMixin>,
-				[componentName, eventName].concat([params]) as Parameters<typeof broadcast>,
-			);
-		}
-	});
-}
-
-const EmitterMixin = defineComponent({
-	methods: {
-		$dispatch(componentName: string, eventName: string, params: any) {
-			let parent = this.$parent || this.$root;
-			let name = parent.$options.name;
-
-			while (parent && (!name || name !== componentName)) {
-				parent = parent.$parent as InstanceType<typeof EmitterMixin>;
-
-				if (parent) {
-					name = parent.$options.name;
-				}
-			}
-			if (parent) {
-				// eslint-disable-next-line prefer-spread
-				parent.$emit.apply(parent, [eventName].concat(params) as Parameters<typeof parent.$emit>);
-			}
-		},
-
-		$broadcast(componentName: string, eventName: string, params: any) {
-			broadcast.call(this, componentName, eventName, params);
-		},
-	},
-});
-
-export default EmitterMixin;

packages/editor-ui/src/mixins/pushConnection.ts

@@ -24,7 +24,7 @@ import { TelemetryHelpers } from 'n8n-workflow';
 
 import { WORKFLOW_SETTINGS_MODAL_KEY } from '@/constants';
 import { getTriggerNodeServiceName } from '@/utils';
-import { codeNodeEditorEventBus } from '@/event-bus';
+import { codeNodeEditorEventBus, globalLinkActionsEventBus } from '@/event-bus';
 import { mapStores } from 'pinia';
 import { useUIStore } from '@/stores/ui.store';
 import { useWorkflowsStore } from '@/stores/workflows.store';
@@ -351,9 +351,12 @@ export const pushConnection = defineComponent({
 
 					let action;
 					if (!isSavingExecutions) {
-						this.$root.$emit('registerGlobalLinkAction', 'open-settings', async () => {
-							if (this.workflowsStore.isNewWorkflow) await this.saveAsNewWorkflow();
-							this.uiStore.openModal(WORKFLOW_SETTINGS_MODAL_KEY);
+						globalLinkActionsEventBus.emit('registerGlobalLinkAction', {
+							key: 'open-settings',
+							action: async () => {
+								if (this.workflowsStore.isNewWorkflow) await this.saveAsNewWorkflow();
+								this.uiStore.openModal(WORKFLOW_SETTINGS_MODAL_KEY);
+							},
 						});
 
 						action =

packages/editor-ui/src/views/NodeView.vue

@@ -672,9 +672,12 @@ export default defineComponent({
 					? this.$locale.baseText('nodeView.addOrEnableTriggerNode')
 					: this.$locale.baseText('nodeView.addATriggerNodeFirst');
 
-			this.registerCustomAction('showNodeCreator', () =>
-				this.showTriggerCreator(NODE_CREATOR_OPEN_SOURCES.NO_TRIGGER_EXECUTION_TOOLTIP),
-			);
+			this.registerCustomAction({
+				key: 'showNodeCreator',
+				action: () =>
+					this.showTriggerCreator(NODE_CREATOR_OPEN_SOURCES.NO_TRIGGER_EXECUTION_TOOLTIP),
+			});
+
 			const notice = this.showMessage({
 				type: 'info',
 				title: this.$locale.baseText('nodeView.cantExecuteNoTrigger'),
@@ -1050,7 +1053,7 @@ export default defineComponent({
 				}
 
 				if (this.$router.currentRoute.name === VIEWS.NEW_WORKFLOW) {
-					this.$root.$emit('newWorkflow');
+					nodeViewEventBus.emit('newWorkflow');
 				} else {
 					void this.$router.push({ name: VIEWS.NEW_WORKFLOW });
 				}
@@ -3913,9 +3916,9 @@ export default defineComponent({
 		window.addEventListener('message', this.onPostMessageReceived);
 		window.addEventListener('pageshow', this.onPageShow);
 
-		this.$root.$on('newWorkflow', this.newWorkflow);
-		this.$root.$on('importWorkflowData', this.onImportWorkflowDataEvent);
-		this.$root.$on('importWorkflowUrl', this.onImportWorkflowUrlEvent);
+		nodeViewEventBus.on('newWorkflow', this.newWorkflow);
+		nodeViewEventBus.on('importWorkflowData', this.onImportWorkflowDataEvent);
+		nodeViewEventBus.on('importWorkflowUrl', this.onImportWorkflowUrlEvent);
 		historyBus.on('nodeMove', this.onMoveNode);
 		historyBus.on('revertAddNode', this.onRevertAddNode);
 		historyBus.on('revertRemoveNode', this.onRevertRemoveNode);
@@ -3938,9 +3941,9 @@ export default defineComponent({
 		window.removeEventListener('beforeunload', this.onBeforeUnload);
 		window.removeEventListener('pageshow', this.onPageShow);
 
-		this.$root.$off('newWorkflow', this.newWorkflow);
-		this.$root.$off('importWorkflowData', this.onImportWorkflowDataEvent);
-		this.$root.$off('importWorkflowUrl', this.onImportWorkflowUrlEvent);
+		nodeViewEventBus.off('newWorkflow', this.newWorkflow);
+		nodeViewEventBus.off('importWorkflowData', this.onImportWorkflowDataEvent);
+		nodeViewEventBus.off('importWorkflowUrl', this.onImportWorkflowUrlEvent);
 		historyBus.off('nodeMove', this.onMoveNode);
 		historyBus.off('revertAddNode', this.onRevertAddNode);
 		historyBus.off('revertRemoveNode', this.onRevertRemoveNode);
@@ -3959,9 +3962,9 @@ export default defineComponent({
 		this.instance.destroy();
 		this.uiStore.stateIsDirty = false;
 		window.removeEventListener('message', this.onPostMessageReceived);
-		this.$root.$off('newWorkflow', this.newWorkflow);
-		this.$root.$off('importWorkflowData', this.onImportWorkflowDataEvent);
-		this.$root.$off('importWorkflowUrl', this.onImportWorkflowUrlEvent);
+		nodeViewEventBus.off('newWorkflow', this.newWorkflow);
+		nodeViewEventBus.off('importWorkflowData', this.onImportWorkflowDataEvent);
+		nodeViewEventBus.off('importWorkflowUrl', this.onImportWorkflowUrlEvent);
 		this.workflowsStore.setWorkflowId(PLACEHOLDER_EMPTY_WORKFLOW_ID);
 	},
 });