refactor: Fix type issues for parameter input components (#9449)

packages/core/src/Interfaces.ts

@@ -37,4 +37,4 @@ export namespace n8n {
 	}
 }
 
-export type ExtendedValidationResult = Partial<ValidationResult> & { fieldName?: string };
+export type ExtendedValidationResult = ValidationResult & { fieldName?: string };

packages/core/src/NodeExecuteFunctions.ts

@@ -99,6 +99,7 @@ import type {
 	WorkflowActivateMode,
 	WorkflowExecuteMode,
 	CallbackManager,
+	INodeParameters,
 } from 'n8n-workflow';
 import {
 	ExpressionError,
@@ -2121,13 +2122,12 @@ export function cleanupParameterData(inputData: NodeParameterValueType): void {
 	}
 
 	if (typeof inputData === 'object') {
-		type Key = keyof typeof inputData;
-		(Object.keys(inputData) as Key[]).forEach((key) => {
-			const value = inputData[key];
+		Object.keys(inputData).forEach((key) => {
+			const value = (inputData as INodeParameters)[key];
 			if (typeof value === 'object') {
 				if (DateTime.isDateTime(value)) {
 					// Is a special luxon date so convert to string
-					inputData[key] = value.toString();
+					(inputData as INodeParameters)[key] = value.toString();
 				} else {
 					cleanupParameterData(value);
 				}
@@ -2230,28 +2230,30 @@ const validateCollection = (
 		return validationResult;
 	}
 
-	for (const value of Array.isArray(validationResult.newValue)
-		? (validationResult.newValue as IDataObject[])
-		: [validationResult.newValue as IDataObject]) {
-		for (const key of Object.keys(value)) {
-			if (!validationMap[key]) continue;
+	if (validationResult.valid) {
+		for (const value of Array.isArray(validationResult.newValue)
+			? (validationResult.newValue as IDataObject[])
+			: [validationResult.newValue as IDataObject]) {
+			for (const key of Object.keys(value)) {
+				if (!validationMap[key]) continue;
 
-			const fieldValidationResult = validateFieldType(key, value[key], validationMap[key].type, {
-				valueOptions: validationMap[key].options,
-			});
+				const fieldValidationResult = validateFieldType(key, value[key], validationMap[key].type, {
+					valueOptions: validationMap[key].options,
+				});
 
-			if (!fieldValidationResult.valid) {
-				throw new ExpressionError(
-					`Invalid input for field '${validationMap[key].displayName}' inside '${propertyDescription.displayName}' in [item ${itemIndex}]`,
-					{
-						description: fieldValidationResult.errorMessage,
-						runIndex,
-						itemIndex,
-						nodeCause: node.name,
-					},
-				);
+				if (!fieldValidationResult.valid) {
+					throw new ExpressionError(
+						`Invalid input for field '${validationMap[key].displayName}' inside '${propertyDescription.displayName}' in [item ${itemIndex}]`,
+						{
+							description: fieldValidationResult.errorMessage,
+							runIndex,
+							itemIndex,
+							nodeCause: node.name,
+						},
+					);
+				}
+				value[key] = fieldValidationResult.newValue;
 			}
-			value[key] = fieldValidationResult.newValue;
 		}
 	}
 

packages/editor-ui/src/Interface.ts

@@ -130,15 +130,17 @@ export type EndpointStyle = {
 	hoverMessage?: string;
 };
 
-export interface IUpdateInformation {
-	name: string;
-	key?: string;
-	value:
+export interface IUpdateInformation<
+	T extends NodeParameterValueType =
 		| string
 		| number
 		| { [key: string]: string | number | boolean }
 		| NodeParameterValueType
-		| INodeParameters; // with null makes problems in NodeSettings.vue
+		| INodeParameters,
+> {
+	name: string;
+	key?: string;
+	value: T;
 	node?: string;
 	oldValue?: string | number;
 	type?: 'optionsOrderChanged';

packages/editor-ui/src/components/CodeNodeEditor/linter.ts

@@ -1,20 +1,27 @@
-import { defineComponent } from 'vue';
 import type { Diagnostic } from '@codemirror/lint';
 import { linter as createLinter } from '@codemirror/lint';
 import type { EditorView } from '@codemirror/view';
 import * as esprima from 'esprima-next';
 import type { Node } from 'estree';
-import type { CodeNodeEditorLanguage } from 'n8n-workflow';
+import type { CodeExecutionMode, CodeNodeEditorLanguage } from 'n8n-workflow';
+import { type PropType, defineComponent } from 'vue';
 
 import {
 	DEFAULT_LINTER_DELAY_IN_MS,
 	DEFAULT_LINTER_SEVERITY,
 	OFFSET_FOR_SCRIPT_WRAPPER,
 } from './constants';
-import { walk } from './utils';
 import type { RangeNode } from './types';
+import { walk } from './utils';
 
 export const linterExtension = defineComponent({
+	props: {
+		mode: {
+			type: String as PropType<CodeExecutionMode>,
+			required: true,
+		},
+		editor: { type: Object as PropType<EditorView | null>, default: null },
+	},
 	methods: {
 		createLinter(language: CodeNodeEditorLanguage) {
 			switch (language) {

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

@@ -72,7 +72,7 @@ export interface Props {
 	nodeValues: INodeParameters;
 	parameter: INodeProperties;
 	path: string;
-	values: INodeProperties;
+	values: INodeParameters;
 	isReadOnly?: boolean;
 }
 const emit = defineEmits<{

packages/editor-ui/src/components/ExpandableInput/ExpandableInputEdit.vue

@@ -25,14 +25,18 @@ export default defineComponent({
 	name: 'ExpandableInputEdit',
 	components: { ExpandableInputBase },
 	props: {
-		modelValue: {},
-		placeholder: {},
-		maxlength: {},
-		autofocus: {},
+		modelValue: {
+			type: String,
+			required: true,
+		},
+		placeholder: { type: String, required: true },
+		maxlength: { type: Number },
+		autofocus: { type: Boolean },
 		eventBus: {
 			type: Object as PropType<EventBus>,
 		},
 	},
+	emits: ['update:modelValue', 'enter', 'blur', 'esc'],
 	mounted() {
 		// autofocus on input element is not reliable
 		if (this.autofocus && this.$refs.input) {

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

@@ -80,7 +80,7 @@
 </template>
 
 <script lang="ts">
-import { defineComponent } from 'vue';
+import { type PropType, defineComponent } from 'vue';
 import { mapStores } from 'pinia';
 import ExpressionEditorModalInput from '@/components/ExpressionEditorModal/ExpressionEditorModalInput.vue';
 import VariableSelector from '@/components/VariableSelector.vue';
@@ -98,6 +98,7 @@ import { useDebounce } from '@/composables/useDebounce';
 import type { Segment } from '@/types/expressions';
 import ExpressionOutput from './InlineExpressionEditor/ExpressionOutput.vue';
 import { outputTheme } from './ExpressionEditorModal/theme';
+import type { INodeProperties } from 'n8n-workflow';
 
 export default defineComponent({
 	name: 'ExpressionEdit',
@@ -112,7 +113,7 @@ export default defineComponent({
 			default: false,
 		},
 		parameter: {
-			type: Object,
+			type: Object as PropType<INodeProperties>,
 			default: () => ({}),
 		},
 		path: {

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

@@ -23,16 +23,17 @@ const inlineInput = ref<InstanceType<typeof InlineExpressionEditorInput>>();
 type Props = {
 	path: string;
 	modelValue: string;
-	isReadOnly: boolean;
-	rows: number;
-	isAssignment: boolean;
-	additionalExpressionData: IDataObject;
-	eventBus: EventBus;
+	rows?: number;
+	additionalExpressionData?: IDataObject;
+	eventBus?: EventBus;
+	isReadOnly?: boolean;
+	isAssignment?: boolean;
 };
 
 const props = withDefaults(defineProps<Props>(), {
 	rows: 5,
 	isAssignment: false,
+	isReadOnly: false,
 	additionalExpressionData: () => ({}),
 	eventBus: () => createEventBus(),
 });

packages/editor-ui/src/components/FilterConditions/Condition.vue

@@ -5,10 +5,11 @@ import ParameterInputFull from '@/components/ParameterInputFull.vue';
 import ParameterIssues from '@/components/ParameterIssues.vue';
 import { useI18n } from '@/composables/useI18n';
 import { DateTime } from 'luxon';
-import {
-	type FilterConditionValue,
-	type FilterOptionsValue,
-	type INodeProperties,
+import type {
+	FilterConditionValue,
+	FilterOptionsValue,
+	INodeProperties,
+	NodeParameterValue,
 } from 'n8n-workflow';
 import { computed, ref } from 'vue';
 import OperatorSelect from './OperatorSelect.vue';
@@ -100,11 +101,11 @@ const rightParameter = computed<INodeProperties>(() => {
 	};
 });
 
-const onLeftValueChange = (update: IUpdateInformation): void => {
+const onLeftValueChange = (update: IUpdateInformation<NodeParameterValue>): void => {
 	condition.value.leftValue = update.value;
 };
 
-const onRightValueChange = (update: IUpdateInformation): void => {
+const onRightValueChange = (update: IUpdateInformation<NodeParameterValue>): void => {
 	condition.value.rightValue = update.value;
 };
 

packages/editor-ui/src/components/FilterConditions/utils.ts

@@ -17,12 +17,24 @@ import type { ConditionResult, FilterOperator } from './types';
 export const getFilterOperator = (key: string) =>
 	OPERATORS_BY_ID[key as FilterOperatorId] as FilterOperator;
 
-const convertToType = (value: unknown, type: FilterOperatorType): unknown => {
+const getTargetType = (type: FilterOperatorType) => {
+	if (type === 'number') return 'number';
+	if (type === 'boolean') return 'boolean';
+	return 'string';
+};
+
+const convertToType = (value: NodeParameterValue, type: FilterOperatorType): NodeParameterValue => {
 	if (type === 'any') return value;
 
 	const fallback = type === 'boolean' ? false : value;
 
-	return validateFieldType('filter', value, type, { parseStrings: true }).newValue ?? fallback;
+	const validationResult = validateFieldType('filter', value, getTargetType(type), {
+		parseStrings: true,
+	});
+	if (!validationResult.valid) {
+		return fallback;
+	}
+	return validationResult.newValue ?? fallback;
 };
 
 export const handleOperatorChange = ({
@@ -42,6 +54,7 @@ export const handleOperatorChange = ({
 	if (leftTypeChanged && !isExpression(condition.leftValue)) {
 		condition.leftValue = convertToType(condition.leftValue, newOperator.type);
 	}
+
 	if (rightTypeChanged && !newOperator.singleValue && !isExpression(condition.rightValue)) {
 		condition.rightValue = convertToType(condition.rightValue, newRightType);
 	}

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

@@ -95,7 +95,7 @@
 
 		<div v-if="parameterOptions.length > 0 && !isReadOnly" class="controls">
 			<n8n-button
-				v-if="parameter.options.length === 1"
+				v-if="parameter.options && parameter.options.length === 1"
 				type="tertiary"
 				block
 				:label="getPlaceholderText"
@@ -126,12 +126,7 @@ import { defineComponent } from 'vue';
 import type { PropType } from 'vue';
 import type { IUpdateInformation } from '@/Interface';
 
-import type {
-	INodeParameters,
-	INodeProperties,
-	INodePropertyCollection,
-	NodeParameterValue,
-} from 'n8n-workflow';
+import type { INodeParameters, INodeProperties, INodePropertyCollection } from 'n8n-workflow';
 import { deepCopy, isINodePropertyCollectionList } from 'n8n-workflow';
 
 import { get } from 'lodash-es';
@@ -140,7 +135,7 @@ export default defineComponent({
 	name: 'FixedCollectionParameter',
 	props: {
 		nodeValues: {
-			type: Object as PropType<Record<string, INodeParameters[]>>,
+			type: Object as PropType<INodeParameters>,
 			required: true,
 		},
 		parameter: {
@@ -297,23 +292,18 @@ export default defineComponent({
 					optionParameter.typeOptions.multipleValues === true
 				) {
 					// Multiple values are allowed so append option to array
-					newParameterValue[optionParameter.name] = get(
-						this.nodeValues,
-						[this.path, optionParameter.name],
-						[],
-					);
+					const multiValue = get(this.nodeValues, [this.path, optionParameter.name], []);
+
 					if (Array.isArray(optionParameter.default)) {
-						(newParameterValue[optionParameter.name] as INodeParameters[]).push(
-							...deepCopy(optionParameter.default as INodeParameters[]),
-						);
+						multiValue.push(...deepCopy(optionParameter.default));
 					} else if (
 						optionParameter.default !== '' &&
 						typeof optionParameter.default !== 'object'
 					) {
-						(newParameterValue[optionParameter.name] as NodeParameterValue[]).push(
-							deepCopy(optionParameter.default),
-						);
+						multiValue.push(deepCopy(optionParameter.default));
 					}
+
+					newParameterValue[optionParameter.name] = multiValue;
 				} else {
 					// Add a new option
 					newParameterValue[optionParameter.name] = deepCopy(optionParameter.default);
@@ -322,7 +312,7 @@ export default defineComponent({
 
 			let newValue;
 			if (this.multipleValues) {
-				newValue = get(this.nodeValues, name, [] as INodeParameters[]);
+				newValue = get(this.nodeValues, name, []) as INodeParameters[];
 
 				newValue.push(newParameterValue);
 			} else {

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

@@ -102,7 +102,7 @@ export default defineComponent({
 	},
 	props: {
 		nodeValues: {
-			type: Object as PropType<Record<string, INodeParameters[]>>,
+			type: Object as PropType<INodeParameters>,
 			required: true,
 		},
 		parameter: {
@@ -159,7 +159,7 @@ export default defineComponent({
 	methods: {
 		addItem() {
 			const name = this.getPath();
-			const currentValue = get(this.nodeValues, name, [] as INodeParameters[]);
+			const currentValue = get(this.nodeValues, name, []) as INodeParameters[];
 
 			currentValue.push(deepCopy(this.parameter.default as INodeParameters));
 

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

@@ -33,7 +33,12 @@ export default defineComponent({
 	props: {
 		nodeType: {
 			type: Object as PropType<
-				INodeTypeDescription | IVersionNode | SimplifiedNodeType | ActionTypeDescription | null
+				| INodeTypeDescription
+				| IVersionNode
+				| SimplifiedNodeType
+				| ActionTypeDescription
+				| null
+				| undefined
 			>,
 			required: true,
 		},

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

@@ -1,6 +1,8 @@
 <template>
 	<span :class="$style.container" data-test-id="node-title-container" @click="onEdit">
-		<span :class="$style.iconWrapper"><NodeIcon :node-type="nodeType" :size="18" /></span>
+		<span :class="$style.iconWrapper">
+			<NodeIcon :node-type="nodeType" :size="18" />
+		</span>
 		<n8n-popover placement="right" width="200" :visible="editName" :disabled="!editable">
 			<div
 				:class="$style.editContainer"
@@ -39,56 +41,47 @@
 	</span>
 </template>
 
-<script lang="ts">
+<script setup lang="ts">
 import NodeIcon from '@/components/NodeIcon.vue';
-import { defineComponent } from 'vue';
+import type { INodeTypeDescription } from 'n8n-workflow';
+import { computed, nextTick, ref } from 'vue';
 
-export default defineComponent({
-	name: 'NodeTitle',
-	components: {
-		NodeIcon,
-	},
-	props: {
-		modelValue: {
-			type: String,
-			default: '',
-		},
-		nodeType: {},
-		readOnly: {
-			type: Boolean,
-			default: false,
-		},
-	},
-	data() {
-		return {
-			editName: false,
-			newName: '',
-		};
-	},
-	computed: {
-		editable(): boolean {
-			return !this.readOnly && window === window.parent;
-		},
-	},
-	methods: {
-		async onEdit() {
-			this.newName = this.modelValue;
-			this.editName = true;
-			await this.$nextTick();
-			const inputRef = this.$refs.input as HTMLInputElement | undefined;
-			if (inputRef) {
-				inputRef.focus();
-			}
-		},
-		onRename() {
-			if (this.newName.trim() !== '') {
-				this.$emit('update:modelValue', this.newName.trim());
-			}
+type Props = {
+	modelValue: string;
+	nodeType?: INodeTypeDescription;
+	readOnly?: boolean;
+};
 
-			this.editName = false;
-		},
-	},
+const props = withDefaults(defineProps<Props>(), {
+	modelValue: '',
+	nodeType: undefined,
+	readOnly: false,
 });
+const emit = defineEmits<{
+	(event: 'update:model-value', value: string): void;
+}>();
+const editName = ref(false);
+const newName = ref('');
+const input = ref<HTMLInputElement>();
+
+const editable = computed(() => !props.readOnly && window === window.parent);
+
+async function onEdit() {
+	newName.value = props.modelValue;
+	editName.value = true;
+	await nextTick();
+	if (input.value) {
+		input.value.focus();
+	}
+}
+
+function onRename() {
+	if (newName.value.trim() !== '') {
+		emit('update:model-value', newName.value.trim());
+	}
+
+	editName.value = false;
+}
 </script>
 
 <style lang="scss" module>

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

@@ -63,7 +63,7 @@ export default defineComponent({
 	props: ['modalName'],
 	setup() {
 		return {
-			...useToast(),
+			toast: useToast(),
 		};
 	},
 	data() {
@@ -94,7 +94,7 @@ export default defineComponent({
 
 			try {
 				await this.uiStore.applyForOnboardingCall(this.email);
-				this.showMessage({
+				this.toast.showMessage({
 					type: 'success',
 					title: this.$locale.baseText('onboardingCallSignupSucess.title'),
 					message: this.$locale.baseText('onboardingCallSignupSucess.message'),
@@ -102,7 +102,7 @@ export default defineComponent({
 				this.okToClose = true;
 				this.modalBus.emit('close');
 			} catch (e) {
-				this.showError(
+				this.toast.showError(
 					e,
 					this.$locale.baseText('onboardingCallSignupFailed.title'),
 					this.$locale.baseText('onboardingCallSignupFailed.message'),

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

@@ -80,7 +80,7 @@
 			</n8n-text>
 		</template>
 
-		<template v-if="outputMode === 'logs'" #content>
+		<template v-if="outputMode === 'logs' && node" #content>
 			<RunDataAi :node="node" :run-index="runIndex" />
 		</template>
 		<template #recovered-artificial-output-data>
@@ -123,6 +123,9 @@ const OUTPUT_TYPE = {
 	LOGS: 'logs',
 } as const;
 
+type OutputTypeKey = keyof typeof OUTPUT_TYPE;
+type OutputType = (typeof OUTPUT_TYPE)[OutputTypeKey];
+
 export default defineComponent({
 	name: 'OutputPanel',
 	components: { RunData, RunInfo, RunDataAi },
@@ -183,8 +186,8 @@ export default defineComponent({
 	},
 	computed: {
 		...mapStores(useNodeTypesStore, useNDVStore, useUIStore, useWorkflowsStore),
-		node(): INodeUi | null {
-			return this.ndvStore.activeNode;
+		node(): INodeUi | undefined {
+			return this.ndvStore.activeNode ?? undefined;
 		},
 		nodeType(): INodeTypeDescription | null {
 			if (this.node) {
@@ -193,7 +196,7 @@ export default defineComponent({
 			return null;
 		},
 		isTriggerNode(): boolean {
-			return this.nodeTypesStore.isTriggerNode(this.node?.type ?? '');
+			return !!this.node && this.nodeTypesStore.isTriggerNode(this.node.type);
 		},
 		hasAiMetadata(): boolean {
 			if (this.node) {
@@ -263,11 +266,11 @@ export default defineComponent({
 
 			const runData: IRunData | null = this.workflowRunData;
 
-			if (runData === null || !runData.hasOwnProperty(this.node.name)) {
+			if (runData === null || (this.node && !runData.hasOwnProperty(this.node.name))) {
 				return 0;
 			}
 
-			if (runData[this.node.name].length) {
+			if (this.node && runData[this.node.name].length) {
 				return runData[this.node.name].length;
 			}
 
@@ -327,7 +330,7 @@ export default defineComponent({
 		onRunIndexChange(run: number) {
 			this.$emit('runChange', run);
 		},
-		onUpdateOutputMode(outputMode: (typeof OUTPUT_TYPE)[keyof typeof OUTPUT_TYPE]) {
+		onUpdateOutputMode(outputMode: OutputType) {
 			if (outputMode === OUTPUT_TYPE.LOGS) {
 				ndvEventBus.emit('setPositionByName', 'minLeft');
 			} else {

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

@@ -4,7 +4,7 @@
 
 <script lang="ts">
 import { defineComponent } from 'vue';
-import type { NotificationInstance } from 'element-plus';
+import type { NotificationHandle } from 'element-plus';
 import { sanitizeHtml } from '@/utils/htmlUtils';
 import { useToast } from '@/composables/useToast';
 
@@ -21,16 +21,16 @@ export default defineComponent({
 	},
 	setup() {
 		return {
-			...useToast(),
+			toast: useToast(),
 		};
 	},
 	data() {
 		return {
-			alert: null as null | NotificationInstance,
+			alert: null as NotificationHandle | null,
 		};
 	},
 	mounted() {
-		this.alert = this.showAlert({
+		this.alert = this.toast.showAlert({
 			title: '',
 			message: sanitizeHtml(this.message),
 			type: 'warning',

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

@@ -537,7 +537,7 @@ type Props = {
 	hint?: string;
 	inputSize?: InputSize;
 	eventSource?: string;
-	expressionEvaluated?: string;
+	expressionEvaluated: unknown;
 	documentationUrl?: string;
 	isAssignment?: boolean;
 	isReadOnly?: boolean;
@@ -555,7 +555,6 @@ const props = withDefaults(defineProps<Props>(), {
 	hint: undefined,
 	inputSize: undefined,
 	eventSource: undefined,
-	expressionEvaluated: undefined,
 	documentationUrl: undefined,
 	isReadOnly: false,
 	isAssignment: false,
@@ -1266,7 +1265,7 @@ async function optionSelected(command: string) {
 
 		await setFocus();
 	} else if (command === 'removeExpression') {
-		let value: NodeParameterValueType = props.expressionEvaluated;
+		let value = props.expressionEvaluated;
 
 		isFocused.value = false;
 

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

@@ -30,7 +30,7 @@
 			:error-highlight="showRequiredErrors"
 			:is-for-credential="true"
 			:event-source="eventSource"
-			:hint="!showRequiredErrors ? hint : ''"
+			:hint="!showRequiredErrors && hint ? hint : ''"
 			:event-bus="eventBus"
 			@focus="onFocus"
 			@blur="onBlur"
@@ -61,7 +61,12 @@ import { defineComponent } from 'vue';
 import type { PropType } from 'vue';
 import ParameterInputWrapper from './ParameterInputWrapper.vue';
 import { isValueExpression } from '@/utils/nodeTypesUtils';
-import type { INodeParameterResourceLocator, INodeProperties, IParameterLabel } from 'n8n-workflow';
+import type {
+	INodeParameterResourceLocator,
+	INodeProperties,
+	IParameterLabel,
+	NodeParameterValueType,
+} from 'n8n-workflow';
 import { mapStores } from 'pinia';
 import { useWorkflowsStore } from '@/stores/workflows.store';
 import { createEventBus } from 'n8n-design-system/utils';
@@ -75,8 +80,11 @@ export default defineComponent({
 	props: {
 		parameter: {
 			type: Object as PropType<INodeProperties>,
+			required: true,
+		},
+		value: {
+			type: Object as PropType<NodeParameterValueType>,
 		},
-		value: {},
 		showValidationWarnings: {
 			type: Boolean,
 		},

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

@@ -150,6 +150,7 @@ export default defineComponent({
 		},
 		path: {
 			type: String,
+			required: true,
 		},
 		value: {
 			type: [Number, String, Boolean, Array, Object] as PropType<NodeParameterValueType>,
@@ -187,7 +188,7 @@ export default defineComponent({
 		node(): INodeUi | null {
 			return this.ndvStore.activeNode;
 		},
-		hint(): string | null {
+		hint(): string {
 			return this.i18n.nodeText().hint(this.parameter, this.path);
 		},
 		isInputTypeString(): boolean {
@@ -260,8 +261,10 @@ export default defineComponent({
 			}
 		},
 		onDrop(newParamValue: string) {
-			const updatedValue = getMappedResult(this.parameter, newParamValue, this.value);
-			const prevValue = this.isResourceLocator ? this.value.value : this.value;
+			const value = this.value;
+			const updatedValue = getMappedResult(this.parameter, newParamValue, value);
+			const prevValue =
+				this.isResourceLocator && isResourceLocatorValue(value) ? value.value : value;
 
 			if (updatedValue.startsWith('=')) {
 				this.forceShowExpression = true;

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

@@ -14,7 +14,7 @@
 			>
 				<MultipleParameter
 					:parameter="parameter"
-					:values="nodeHelpers.getParameterValue(nodeValues, parameter.name, path)"
+					:values="getParameterValue(parameter.name)"
 					:node-values="nodeValues"
 					:path="getPath(parameter.name)"
 					:is-read-only="isReadOnly"
@@ -70,7 +70,7 @@
 						<CollectionParameter
 							v-if="parameter.type === 'collection'"
 							:parameter="parameter"
-							:values="nodeHelpers.getParameterValue(nodeValues, parameter.name, path)"
+							:values="getParameterValue(parameter.name)"
 							:node-values="nodeValues"
 							:path="getPath(parameter.name)"
 							:is-read-only="isReadOnly"
@@ -79,7 +79,7 @@
 						<FixedCollectionParameter
 							v-else-if="parameter.type === 'fixedCollection'"
 							:parameter="parameter"
-							:values="nodeHelpers.getParameterValue(nodeValues, parameter.name, path)"
+							:values="getParameterValue(parameter.name)"
 							:node-values="nodeValues"
 							:path="getPath(parameter.name)"
 							:is-read-only="isReadOnly"
@@ -111,7 +111,7 @@
 			<FilterConditions
 				v-else-if="parameter.type === 'filter'"
 				:parameter="parameter"
-				:value="nodeHelpers.getParameterValue(nodeValues, parameter.name, path)"
+				:value="getParameterValue(parameter.name)"
 				:path="getPath(parameter.name)"
 				:node="node"
 				:read-only="isReadOnly"
@@ -120,7 +120,7 @@
 			<AssignmentCollection
 				v-else-if="parameter.type === 'assignmentCollection'"
 				:parameter="parameter"
-				:value="nodeHelpers.getParameterValue(nodeValues, parameter.name, path)"
+				:value="getParameterValue(parameter.name)"
 				:path="getPath(parameter.name)"
 				:node="node"
 				:is-read-only="isReadOnly"
@@ -144,7 +144,7 @@
 				<ParameterInputFull
 					:parameter="parameter"
 					:hide-issues="hiddenIssuesInputs.includes(parameter.name)"
-					:value="nodeHelpers.getParameterValue(nodeValues, parameter.name, path)"
+					:value="getParameterValue(parameter.name)"
 					:display-options="shouldShowOptions(parameter)"
 					:path="getPath(parameter.name)"
 					:is-read-only="isReadOnly"
@@ -167,6 +167,7 @@ import type {
 	INodeProperties,
 	INodeTypeDescription,
 	NodeParameterValue,
+	NodeParameterValueType,
 } from 'n8n-workflow';
 import { deepCopy } from 'n8n-workflow';
 import { mapStores } from 'pinia';
@@ -385,10 +386,7 @@ export default defineComponent({
 			return dependencies;
 		},
 		multipleValues(parameter: INodeProperties): boolean {
-			if (this.getArgument('multipleValues', parameter) === true) {
-				return true;
-			}
-			return false;
+			return this.getArgument('multipleValues', parameter) === true;
 		},
 		getArgument(
 			argumentName: string,
@@ -460,7 +458,7 @@ export default defineComponent({
 			const nodeValues: INodeParameters = {};
 			let rawValues = this.nodeValues;
 			if (this.path) {
-				rawValues = get(this.nodeValues, this.path);
+				rawValues = get(this.nodeValues, this.path) as INodeParameters;
 			}
 
 			if (!rawValues) {
@@ -473,11 +471,12 @@ export default defineComponent({
 			let parameterGotResolved = false;
 			do {
 				key = resolveKeys.shift() as string;
-				if (typeof rawValues[key] === 'string' && rawValues[key].charAt(0) === '=') {
+				const value = rawValues[key];
+				if (typeof value === 'string' && value?.charAt(0) === '=') {
 					// Contains an expression that
 					if (
-						rawValues[key].includes('$parameter') &&
-						resolveKeys.some((parameterName) => rawValues[key].includes(parameterName))
+						value.includes('$parameter') &&
+						resolveKeys.some((parameterName) => value.includes(parameterName))
 					) {
 						// Contains probably an expression of a missing parameter so skip
 						resolveKeys.push(key);
@@ -486,7 +485,7 @@ export default defineComponent({
 						// Contains probably no expression with a missing parameter so resolve
 						try {
 							nodeValues[key] = this.workflowHelpers.resolveExpression(
-								rawValues[key],
+								value,
 								nodeValues,
 							) as NodeParameterValue;
 						} catch (e) {
@@ -574,6 +573,9 @@ export default defineComponent({
 				return null;
 			}
 		},
+		getParameterValue<T extends NodeParameterValueType = NodeParameterValueType>(name: string): T {
+			return this.nodeHelpers.getParameterValue(this.nodeValues, name, this.path) as T;
+		},
 	},
 });
 </script>

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

@@ -50,7 +50,7 @@ import { mapStores } from 'pinia';
 import type { PropType } from 'vue';
 import { defineComponent } from 'vue';
 
-import type { INodeUi, IUpdateInformation, TargetItem } from '@/Interface';
+import type { INodeUi, IUpdateInformation, InputSize, TargetItem } from '@/Interface';
 import ParameterInput from '@/components/ParameterInput.vue';
 import InputHint from '@/components/ParameterInputHint.vue';
 import { useEnvironmentsStore } from '@/stores/environments.ee.store';
@@ -96,9 +96,11 @@ export default defineComponent({
 		},
 		parameter: {
 			type: Object as PropType<INodeProperties>,
+			required: true,
 		},
 		path: {
 			type: String,
+			required: true,
 		},
 		modelValue: {
 			type: [String, Number, Boolean, Array, Object] as PropType<NodeParameterValueType>,
@@ -121,7 +123,7 @@ export default defineComponent({
 			required: false,
 		},
 		inputSize: {
-			type: String,
+			type: String as PropType<InputSize>,
 		},
 		hideIssues: {
 			type: Boolean,
@@ -202,15 +204,14 @@ export default defineComponent({
 				? this.modelValue.value
 				: this.modelValue;
 
-			if (
-				!this.isForCredential &&
-				(!this.activeNode || !this.isValueExpression || typeof value !== 'string')
-			) {
+			if (!this.activeNode || !this.isValueExpression || typeof value !== 'string') {
 				return { ok: false, error: new Error() };
 			}
 
 			try {
-				let opts = { isForCredential: this.isForCredential };
+				let opts: Parameters<typeof this.workflowHelpers.resolveExpression>[2] = {
+					isForCredential: this.isForCredential,
+				};
 				if (this.ndvStore.isInputParentOfActiveNode) {
 					opts = {
 						...opts,

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

@@ -20,7 +20,7 @@
 					icon-size="small"
 					:actions="actions"
 					:icon-orientation="iconOrientation"
-					@action="(action) => $emit('update:modelValue', action)"
+					@action="(action: string) => $emit('update:modelValue', action)"
 					@visible-change="onMenuToggle"
 				/>
 			</div>
@@ -40,7 +40,7 @@
 </template>
 
 <script lang="ts">
-import type { NodeParameterValueType } from 'n8n-workflow';
+import type { INodeProperties, NodeParameterValueType } from 'n8n-workflow';
 import { defineComponent } from 'vue';
 import type { PropType } from 'vue';
 import { isResourceLocatorValue } from '@/utils/typeGuards';
@@ -51,7 +51,8 @@ export default defineComponent({
 	name: 'ParameterOptions',
 	props: {
 		parameter: {
-			type: Object,
+			type: Object as PropType<INodeProperties>,
+			required: true,
 		},
 		isReadOnly: {
 			type: Boolean,
@@ -87,6 +88,7 @@ export default defineComponent({
 			},
 		},
 	},
+	emits: ['update:modelValue', 'menu-expanded'],
 	computed: {
 		isDefault(): boolean {
 			return this.parameter.default === this.value;
@@ -109,7 +111,7 @@ export default defineComponent({
 				return false;
 			}
 
-			if (['codeNodeEditor', 'sqlEditor'].includes(this.parameter.typeOptions?.editor)) {
+			if (['codeNodeEditor', 'sqlEditor'].includes(this.parameter.typeOptions?.editor ?? '')) {
 				return false;
 			}
 

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

@@ -2,7 +2,7 @@
 import type { PropType } from 'vue';
 import { computed, defineComponent } from 'vue';
 import { useRBACStore } from '@/stores/rbac.store';
-import type { HasScopeMode, Scope, Resource } from '@n8n/permissions';
+import type { ScopeMode, Scope, Resource } from '@n8n/permissions';
 import {
 	inferProjectIdFromRoute,
 	inferResourceIdFromRoute,
@@ -17,7 +17,7 @@ export default defineComponent({
 			required: true,
 		},
 		mode: {
-			type: String as PropType<HasScopeMode>,
+			type: String as PropType<ScopeMode>,
 			default: 'allOf',
 		},
 		resourceType: {

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

@@ -144,7 +144,7 @@
 </template>
 
 <script lang="ts">
-import type { IResourceLocatorReqParams, IResourceLocatorResultExpanded } from '@/Interface';
+import type { DynamicNodeParameters, IResourceLocatorResultExpanded } from '@/Interface';
 import DraggableTarget from '@/components/DraggableTarget.vue';
 import ExpressionParameterInput from '@/components/ExpressionParameterInput.vue';
 import ParameterIssues from '@/components/ParameterIssues.vue';
@@ -197,9 +197,7 @@ export default defineComponent({
 			required: true,
 		},
 		modelValue: {
-			type: [Object, String] as PropType<
-				INodeParameterResourceLocator | NodeParameterValue | undefined
-			>,
+			type: Object as PropType<INodeParameterResourceLocator>,
 		},
 		inputSize: {
 			type: String,
@@ -221,8 +219,7 @@ export default defineComponent({
 			default: '',
 		},
 		expressionComputedValue: {
-			type: String,
-			default: '',
+			type: {} as PropType<unknown>,
 		},
 		isReadOnly: {
 			type: Boolean,
@@ -230,6 +227,7 @@ export default defineComponent({
 		},
 		expressionDisplayValue: {
 			type: String,
+			default: '',
 		},
 		forceShowExpression: {
 			type: Boolean,
@@ -245,9 +243,11 @@ export default defineComponent({
 		},
 		node: {
 			type: Object as PropType<INode>,
+			required: true,
 		},
 		path: {
 			type: String,
+			required: true,
 		},
 		loadOptionsMethod: {
 			type: String,
@@ -506,10 +506,10 @@ export default defineComponent({
 				this.width = containerRef?.offsetWidth;
 			}
 		},
-		getLinkAlt(entity: string) {
+		getLinkAlt(entity: NodeParameterValue) {
 			if (this.selectedMode === 'list' && entity) {
 				return this.$locale.baseText('resourceLocator.openSpecificResource', {
-					interpolate: { entity, appName: this.appName },
+					interpolate: { entity: entity.toString(), appName: this.appName },
 				});
 			}
 			return this.$locale.baseText('resourceLocator.openResource', {
@@ -520,7 +520,7 @@ export default defineComponent({
 			this.cachedResponses = {};
 			this.trackEvent('User refreshed resource locator list');
 		},
-		onKeyDown(e: MouseEvent) {
+		onKeyDown(e: KeyboardEvent) {
 			if (this.resourceDropdownVisible && !this.isSearchable) {
 				this.eventBus.emit('keyDown', e);
 			}
@@ -555,6 +555,9 @@ export default defineComponent({
 				return;
 			}
 			const id = node.credentials[credentialKey].id;
+			if (!id) {
+				return;
+			}
 			this.uiStore.openExistingCredential(id);
 		},
 		createNewCredential(): void {
@@ -664,11 +667,11 @@ export default defineComponent({
 				return;
 			}
 
-			let paginationToken: unknown = null;
+			let paginationToken: string | undefined;
 
 			try {
 				if (cachedResponse) {
-					const nextPageToken = cachedResponse.nextPageToken;
+					const nextPageToken = cachedResponse.nextPageToken as string;
 					if (nextPageToken) {
 						paginationToken = nextPageToken;
 						this.setResponse(paramsKey, { loading: true });
@@ -690,11 +693,12 @@ export default defineComponent({
 					this.parameter,
 					params.parameters,
 				) as INodeParameters;
-				const loadOptionsMethod = this.getPropertyArgument(this.currentMode, 'searchListMethod') as
-					| string
-					| undefined;
+				const loadOptionsMethod = this.getPropertyArgument(
+					this.currentMode,
+					'searchListMethod',
+				) as string;
 
-				const requestParams: IResourceLocatorReqParams = {
+				const requestParams: DynamicNodeParameters.ResourceLocatorResultsRequest = {
 					nodeTypeAndVersion: {
 						name: this.node.type,
 						version: this.node.typeVersion,
@@ -703,10 +707,16 @@ export default defineComponent({
 					methodName: loadOptionsMethod,
 					currentNodeParameters: resolvedNodeParameters,
 					credentials: this.node.credentials,
-					...(params.filter ? { filter: params.filter } : {}),
-					...(paginationToken ? { paginationToken } : {}),
 				};
 
+				if (params.filter) {
+					requestParams.filter = params.filter;
+				}
+
+				if (paginationToken) {
+					requestParams.paginationToken = paginationToken;
+				}
+
 				const response = await this.nodeTypesStore.getResourceLocatorResults(requestParams);
 
 				this.setResponse(paramsKey, {

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

@@ -41,7 +41,7 @@
 		>
 			<div
 				v-for="(result, i) in sortedResources"
-				:key="result.value"
+				:key="result.value.toString()"
 				:ref="`item-${i}`"
 				:class="{
 					[$style.resourceItem]: true,
@@ -83,6 +83,7 @@ import { defineComponent } from 'vue';
 import type { PropType } from 'vue';
 import type { EventBus } from 'n8n-design-system/utils';
 import { createEventBus } from 'n8n-design-system/utils';
+import type { NodeParameterValue } from 'n8n-workflow';
 
 const SEARCH_BAR_HEIGHT_PX = 40;
 const SCROLL_MARGIN_PX = 10;
@@ -91,7 +92,7 @@ export default defineComponent({
 	name: 'ResourceLocatorDropdown',
 	props: {
 		modelValue: {
-			type: [String, Number],
+			type: [String, Number] as PropType<NodeParameterValue>,
 		},
 		show: {
 			type: Boolean,
@@ -126,6 +127,7 @@ export default defineComponent({
 			default: () => createEventBus(),
 		},
 	},
+	emits: ['update:modelValue', 'loadMore', 'filter'],
 	data() {
 		return {
 			hoverIndex: 0,
@@ -135,7 +137,7 @@ export default defineComponent({
 	computed: {
 		sortedResources(): IResourceLocatorResultExpanded[] {
 			const seen = new Set();
-			const { selected, notSelected } = this.resources.reduce(
+			const { selected, notSelected } = (this.resources ?? []).reduce(
 				(acc, item: IResourceLocatorResultExpanded) => {
 					if (seen.has(item.value)) {
 						return acc;
@@ -232,7 +234,7 @@ export default defineComponent({
 		onFilterInput(value: string) {
 			this.$emit('filter', value);
 		},
-		onItemClick(selected: string) {
+		onItemClick(selected: string | number | boolean) {
 			this.$emit('update:modelValue', selected);
 		},
 		onItemHover(index: number) {

packages/editor-ui/src/components/ResourceMapper/MappingFields.vue

@@ -67,7 +67,7 @@ function markAsReadOnly(field: ResourceMapperField): boolean {
 	return field.readOnly || false;
 }
 
-const fieldsUi = computed<Array<Partial<INodeProperties> & { readOnly?: boolean }>>(() => {
+const fieldsUi = computed<Array<INodeProperties & { readOnly: boolean }>>(() => {
 	return props.fieldsToMap
 		.filter((field) => field.display && field.removed !== true)
 		.map((field) => {
@@ -85,11 +85,11 @@ const fieldsUi = computed<Array<Partial<INodeProperties> & { readOnly?: boolean
 		});
 });
 
-const orderedFields = computed<Array<Partial<INodeProperties> & { readOnly?: boolean }>>(() => {
+const orderedFields = computed<Array<INodeProperties & { readOnly: boolean }>>(() => {
 	// Sort so that matching columns are first
 	if (props.paramValue.matchingColumns) {
 		fieldsUi.value.forEach((field, i) => {
-			const fieldName = parseResourceMapperFieldName(field.name);
+			const fieldName = field.name && parseResourceMapperFieldName(field.name);
 			if (fieldName) {
 				if (props.paramValue.matchingColumns.includes(fieldName)) {
 					fieldsUi.value.splice(i, 1);

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

@@ -1,5 +1,5 @@
 <script setup lang="ts">
-import type { IUpdateInformation, ResourceMapperReqParams } from '@/Interface';
+import type { IUpdateInformation, DynamicNodeParameters } from '@/Interface';
 import { resolveRequiredParameters } from '@/composables/useWorkflowHelpers';
 import { useNodeTypesStore } from '@/stores/nodeTypes.store';
 import type {
@@ -37,6 +37,7 @@ const workflowsStore = useWorkflowsStore();
 
 const props = withDefaults(defineProps<Props>(), {
 	teleported: true,
+	dependentParametersValues: null,
 });
 
 const emit = defineEmits<{
@@ -235,7 +236,13 @@ async function loadFieldsToMap(): Promise<void> {
 	if (!props.node) {
 		return;
 	}
-	const requestParams: ResourceMapperReqParams = {
+
+	const methodName = props.parameter.typeOptions?.resourceMapper?.resourceMapperMethod;
+	if (typeof methodName !== 'string') {
+		return;
+	}
+
+	const requestParams: DynamicNodeParameters.ResourceMapperFieldsRequest = {
 		nodeTypeAndVersion: {
 			name: props.node?.type,
 			version: props.node.typeVersion,
@@ -245,7 +252,7 @@ async function loadFieldsToMap(): Promise<void> {
 			props.node.parameters,
 		) as INodeParameters,
 		path: props.path,
-		methodName: props.parameter.typeOptions?.resourceMapper?.resourceMapperMethod,
+		methodName,
 		credentials: props.node.credentials,
 	};
 	const fetchedFields = await nodeTypesStore.getResourceMapperFields(requestParams);
@@ -310,7 +317,7 @@ function setDefaultFieldValues(forceMatchingFieldsUpdate = false): void {
 function updateNodeIssues(): void {
 	if (props.node) {
 		const parameterIssues = NodeHelpers.getNodeParametersIssues(
-			nodeType.value?.properties || [],
+			nodeType.value?.properties ?? [],
 			props.node,
 		);
 		if (parameterIssues) {
@@ -319,10 +326,10 @@ function updateNodeIssues(): void {
 	}
 }
 
-function onMatchingColumnsChanged(matchingColumns: string[]): void {
+function onMatchingColumnsChanged(columns: string[]): void {
 	state.paramValue = {
 		...state.paramValue,
-		matchingColumns,
+		matchingColumns: columns,
 	};
 	// Set all matching fields to be visible
 	state.paramValue.schema.forEach((field) => {

packages/editor-ui/src/components/forms/ResourceFiltersDropdown.vue

@@ -93,13 +93,8 @@ export default defineComponent({
 					return;
 				}
 
-				length += (
-					Array.isArray(this.modelValue[key])
-						? this.modelValue[key].length > 0
-						: this.modelValue[key] !== ''
-				)
-					? 1
-					: 0;
+				const value = this.modelValue[key];
+				length += (Array.isArray(value) ? value.length > 0 : value !== '') ? 1 : 0;
 			});
 
 			return length;

packages/editor-ui/src/hooks/segment/getters.ts

@@ -2,7 +2,6 @@ import { deepCopy } from 'n8n-workflow';
 import type {
 	ExecutionError,
 	GenericValue,
-	INodeParameters,
 	INodeProperties,
 	ITelemetryTrackProperties,
 	NodeParameterValue,
@@ -119,7 +118,7 @@ export interface ExpressionEditorEventsData {
 	dialogVisible: boolean;
 	value: string;
 	resolvedExpressionValue: string;
-	parameter: INodeParameters;
+	parameter: INodeProperties;
 }
 
 export const getExpressionEditorEventsData = (

packages/editor-ui/src/plugins/i18n/index.ts

@@ -204,7 +204,7 @@ export class I18nClass {
 			/**
 			 * Display name for an input label, whether top-level or nested.
 			 */
-			inputLabelDisplayName(parameter: INodeProperties, path: string) {
+			inputLabelDisplayName(parameter: INodeProperties | INodePropertyCollection, path: string) {
 				const middleKey = deriveMiddleKey(path, parameter);
 
 				return context.dynamicRender({

packages/editor-ui/src/plugins/i18n/utils.ts

@@ -6,7 +6,7 @@
  *
  * Location: `n8n-nodes-base.nodes.github.nodeView.<middleKey>.placeholder`
  */
-export function deriveMiddleKey(path: string, parameter: { name: string; type: string }) {
+export function deriveMiddleKey(path: string, parameter: { name: string; type?: string }) {
 	let middleKey = parameter.name;
 
 	if (isTopLevelCollection(path, parameter) || isNestedInCollectionLike(path)) {
@@ -28,17 +28,17 @@ export function deriveMiddleKey(path: string, parameter: { name: string; type: s
  */
 export const isNestedInCollectionLike = (path: string) => path.split('.').length >= 3;
 
-const isTopLevelCollection = (path: string, parameter: { type: string }) =>
+const isTopLevelCollection = (path: string, parameter: { type?: string }) =>
 	path.split('.').length === 2 && parameter.type === 'collection';
 
-const isNestedCollection = (path: string, parameter: { type: string }) =>
+const isNestedCollection = (path: string, parameter: { type?: string }) =>
 	path.split('.').length > 2 && parameter.type === 'collection';
 
 /**
  * Check if the param is a normal `fixedCollection`, i.e. a FC other than the wrapper
  * that sits at the root of a node's top-level param and contains all of them.
  */
-const isFixedCollection = (path: string, parameter: { type: string }) =>
+const isFixedCollection = (path: string, parameter: { type?: string }) =>
 	parameter.type === 'fixedCollection' && path !== 'parameters';
 
 /**

packages/nodes-base/nodes/Set/v2/helpers/utils.ts

@@ -4,7 +4,6 @@ import type {
 	IExecuteFunctions,
 	INode,
 	INodeExecutionData,
-	ValidationResult,
 } from 'n8n-workflow';
 import {
 	ApplicationError,
@@ -200,7 +199,7 @@ export const validateEntry = (
 
 	if (!validationResult.valid) {
 		if (ignoreErrors) {
-			validationResult.newValue = value as ValidationResult['newValue'];
+			return { name, value: value ?? null };
 		} else {
 			const message = `${validationResult.errorMessage} [item ${itemIndex}]`;
 			throw new NodeOperationError(node, message, {
@@ -212,7 +211,7 @@ export const validateEntry = (
 
 	return {
 		name,
-		value: validationResult.newValue === undefined ? null : validationResult.newValue,
+		value: validationResult.newValue ?? null,
 	};
 };
 

packages/workflow/src/Interfaces.ts

@@ -1118,6 +1118,9 @@ export type NodeParameterValueType =
 	| NodeParameterValue
 	| INodeParameters
 	| INodeParameterResourceLocator
+	| ResourceMapperValue
+	| FilterValue
+	| AssignmentCollectionValue
 	| NodeParameterValue[]
 	| INodeParameters[]
 	| INodeParameterResourceLocator[]
@@ -2374,25 +2377,32 @@ export interface ResourceMapperField {
 	readOnly?: boolean;
 }
 
-export type FieldType =
-	| 'string'
-	| 'string-alphanumeric'
-	| 'number'
-	| 'dateTime'
-	| 'boolean'
-	| 'time'
-	| 'array'
-	| 'object'
-	| 'options'
-	| 'url'
-	| 'jwt';
-
-export type ValidationResult = {
-	valid: boolean;
-	errorMessage?: string;
-	newValue?: string | number | boolean | object | null | undefined;
+export type FieldTypeMap = {
+	// eslint-disable-next-line id-denylist
+	boolean: boolean;
+	// eslint-disable-next-line id-denylist
+	number: number;
+	// eslint-disable-next-line id-denylist
+	string: string;
+	'string-alphanumeric': string;
+	dateTime: string;
+	time: string;
+	array: unknown[];
+	object: object;
+	options: any;
+	url: string;
+	jwt: string;
 };
 
+export type FieldType = keyof FieldTypeMap;
+
+export type ValidationResult<T extends FieldType = FieldType> =
+	| { valid: false; errorMessage: string }
+	| {
+			valid: true;
+			newValue?: FieldTypeMap[T];
+	  };
+
 export type ResourceMapperValue = {
 	mappingMode: string;
 	value: { [key: string]: string | number | boolean | null } | null;
@@ -2418,9 +2428,9 @@ export interface FilterOperatorValue {
 
 export type FilterConditionValue = {
 	id: string;
-	leftValue: unknown;
+	leftValue: NodeParameterValue;
 	operator: FilterOperatorValue;
-	rightValue: unknown;
+	rightValue: NodeParameterValue;
 };
 
 export type FilterOptionsValue = {

packages/workflow/src/NodeParameters/FilterParameter.ts

@@ -111,7 +111,13 @@ function parseFilterConditionValues(
 		};
 	}
 
-	return { ok: true, result: { left: parsedLeftValue.newValue, right: parsedRightValue.newValue } };
+	return {
+		ok: true,
+		result: {
+			left: parsedLeftValue.valid ? parsedLeftValue.newValue : undefined,
+			right: parsedRightValue.valid ? parsedRightValue.newValue : undefined,
+		},
+	};
 }
 
 function parseRegexPattern(pattern: string): RegExp {

packages/workflow/src/TypeValidation.ts

@@ -177,14 +177,21 @@ type ValidateFieldTypeOptions = Partial<{
 	strict: boolean;
 	parseStrings: boolean;
 }>;
+
 // Validates field against the schema and tries to parse it to the correct type
+export function validateFieldType<K extends FieldType>(
+	fieldName: string,
+	value: unknown,
+	type: K,
+	options?: ValidateFieldTypeOptions,
+): ValidationResult<K>;
 // eslint-disable-next-line complexity
-export const validateFieldType = (
+export function validateFieldType(
 	fieldName: string,
 	value: unknown,
 	type: FieldType,
 	options: ValidateFieldTypeOptions = {},
-): ValidationResult => {
+): ValidationResult {
 	if (value === null || value === undefined) return { valid: true };
 	const strict = options.strict ?? false;
 	const valueOptions = options.valueOptions ?? [];
@@ -308,4 +315,4 @@ export const validateFieldType = (
 			return { valid: true, newValue: value };
 		}
 	}
-};
+}