diff --git a/packages/@n8n_io/eslint-config/base.js b/packages/@n8n_io/eslint-config/base.js
index 8438a54e1b..516db28926 100644
--- a/packages/@n8n_io/eslint-config/base.js
+++ b/packages/@n8n_io/eslint-config/base.js
@@ -134,6 +134,11 @@ const config = (module.exports = {
 		 */
 		indent: 'off',
 
+		/**
+		 * https://eslint.org/docs/latest/rules/no-constant-binary-expression
+		 */
+		'no-constant-binary-expression': 'error',
+
 		/**
 		 * https://eslint.org/docs/latest/rules/sort-imports
 		 */
diff --git a/packages/cli/src/PublicApi/index.ts b/packages/cli/src/PublicApi/index.ts
index 32860e930a..585955c401 100644
--- a/packages/cli/src/PublicApi/index.ts
+++ b/packages/cli/src/PublicApi/index.ts
@@ -147,9 +147,11 @@ export const loadPublicApiVersions = async (
 		}),
 	);
 
+	const version = versions.pop()?.charAt(1);
+
 	return {
 		apiRouters,
-		apiLatestVersion: Number(versions.pop()?.charAt(1)) ?? 1,
+		apiLatestVersion: version ? Number(version) : 1,
 	};
 };
 
diff --git a/packages/cli/src/environments/sourceControl/sourceControlGit.service.ee.ts b/packages/cli/src/environments/sourceControl/sourceControlGit.service.ee.ts
index 88da95cf14..c1acc02cb9 100644
--- a/packages/cli/src/environments/sourceControl/sourceControlGit.service.ee.ts
+++ b/packages/cli/src/environments/sourceControl/sourceControlGit.service.ee.ts
@@ -174,7 +174,9 @@ export class SourceControlGitService {
 			}
 		}
 		await this.setGitUserDetails(
-			`${user.firstName} ${user.lastName}` ?? SOURCE_CONTROL_DEFAULT_NAME,
+			user.firstName && user.lastName
+				? `${user.firstName} ${user.lastName}`
+				: SOURCE_CONTROL_DEFAULT_NAME,
 			user.email ?? SOURCE_CONTROL_DEFAULT_EMAIL,
 		);
 		if (sourceControlPreferences.initRepo) {
diff --git a/packages/core/src/WorkflowExecutionMetadata.ts b/packages/core/src/WorkflowExecutionMetadata.ts
index a6c186a20d..79c3652753 100644
--- a/packages/core/src/WorkflowExecutionMetadata.ts
+++ b/packages/core/src/WorkflowExecutionMetadata.ts
@@ -74,7 +74,7 @@ export function getAllWorkflowExecutionMetadata(
 	executionData: IRunExecutionData,
 ): Record<string, string> {
 	// Make a copy so it can't be modified directly
-	return { ...executionData.resultData.metadata } ?? {};
+	return executionData.resultData.metadata ? { ...executionData.resultData.metadata } : {};
 }
 
 export function getWorkflowExecutionMetadata(
diff --git a/packages/design-system/src/components/N8nMarkdown/Markdown.vue b/packages/design-system/src/components/N8nMarkdown/Markdown.vue
index 42fb662b7f..37cded9d72 100644
--- a/packages/design-system/src/components/N8nMarkdown/Markdown.vue
+++ b/packages/design-system/src/components/N8nMarkdown/Markdown.vue
@@ -141,7 +141,8 @@ export default defineComponent({
 					if (tag === 'img' && name === 'src') {
 						if (value.match(fileIdRegex)) {
 							const id = value.split('fileId:')[1];
-							return `src=${friendlyAttrValue(imageUrls[id])}` || '';
+							const attributeValue = friendlyAttrValue(imageUrls[id]);
+							return attributeValue ? `src=${attributeValue}` : '';
 						}
 						// Only allow http requests to supported image files from the `static` directory
 						const isImageFile = value.split('#')[0].match(/\.(jpeg|jpg|gif|png|webp)$/) !== null;
diff --git a/packages/editor-ui/src/components/Node/NodeCreator/Renderers/ItemsRenderer.vue b/packages/editor-ui/src/components/Node/NodeCreator/Renderers/ItemsRenderer.vue
index 72743a34c0..60f506d4f4 100644
--- a/packages/editor-ui/src/components/Node/NodeCreator/Renderers/ItemsRenderer.vue
+++ b/packages/editor-ui/src/components/Node/NodeCreator/Renderers/ItemsRenderer.vue
@@ -59,7 +59,7 @@ function wrappedEmit(
 ) {
 	if (props.disabled) return;
 
-	emit((event as 'selected') || 'dragstart' || 'dragend', element, $e);
+	emit(event, element, $e);
 }
 
 function beforeEnter(el: HTMLElement) {
diff --git a/packages/editor-ui/src/views/NodeView.vue b/packages/editor-ui/src/views/NodeView.vue
index cb4c14a66c..269a6a108c 100644
--- a/packages/editor-ui/src/views/NodeView.vue
+++ b/packages/editor-ui/src/views/NodeView.vue
@@ -2641,6 +2641,7 @@ export default defineComponent({
 				}
 
 				if (
+					// eslint-disable-next-line no-constant-binary-expression
 					this.isReadOnlyRoute ??
 					this.readOnlyEnv ??
 					this.enterTimer ??
@@ -2674,6 +2675,7 @@ export default defineComponent({
 				}
 
 				if (
+					// eslint-disable-next-line no-constant-binary-expression
 					this.isReadOnlyRoute ??
 					this.readOnlyEnv ??
 					!connection ??
diff --git a/packages/nodes-base/nodes/ClickUp/ClickUp.node.ts b/packages/nodes-base/nodes/ClickUp/ClickUp.node.ts
index f67fd7ac34..71e0431de4 100644
--- a/packages/nodes-base/nodes/ClickUp/ClickUp.node.ts
+++ b/packages/nodes-base/nodes/ClickUp/ClickUp.node.ts
@@ -743,7 +743,7 @@ export class ClickUp implements INodeType {
 						) {
 							if (
 								additionalFields.stepsStart === undefined ||
-								!additionalFields.stepsEnd === undefined
+								additionalFields.stepsEnd === undefined
 							) {
 								throw new NodeOperationError(
 									this.getNode(),
diff --git a/packages/nodes-base/nodes/HaloPSA/GenericFunctions.ts b/packages/nodes-base/nodes/HaloPSA/GenericFunctions.ts
index 2d000453ec..83717c6527 100644
--- a/packages/nodes-base/nodes/HaloPSA/GenericFunctions.ts
+++ b/packages/nodes-base/nodes/HaloPSA/GenericFunctions.ts
@@ -96,7 +96,7 @@ export async function haloPSAApiRequest(
 		return result;
 	} catch (error) {
 		const message = (error as JsonObject).message as string;
-		if (method === 'DELETE' || 'GET' || ('UPDATE' && message)) {
+		if (method === 'DELETE' || method === 'GET' || (method === 'UPDATE' && message)) {
 			let newErrorMessage;
 			if (message.includes('400')) {
 				console.log(message);
diff --git a/packages/nodes-base/nodes/Odoo/GenericFunctions.ts b/packages/nodes-base/nodes/Odoo/GenericFunctions.ts
index 8cecc59cc9..3bd8a214d1 100644
--- a/packages/nodes-base/nodes/Odoo/GenericFunctions.ts
+++ b/packages/nodes-base/nodes/Odoo/GenericFunctions.ts
@@ -235,7 +235,7 @@ export async function odooGet(
 					password,
 					mapOdooResources[resource] || resource,
 					mapOperationToJSONRPC[operation],
-					[+itemsID] || [],
+					itemsID ? [+itemsID] : [],
 					fieldsToReturn || [],
 				],
 			},
@@ -326,7 +326,7 @@ export async function odooUpdate(
 					password,
 					mapOdooResources[resource] || resource,
 					mapOperationToJSONRPC[operation],
-					[+itemsID] || [],
+					itemsID ? [+itemsID] : [],
 					fieldsToUpdate,
 				],
 			},
@@ -369,7 +369,7 @@ export async function odooDelete(
 					password,
 					mapOdooResources[resource] || resource,
 					mapOperationToJSONRPC[operation],
-					[+itemsID] || [],
+					itemsID ? [+itemsID] : [],
 				],
 			},
 			id: Math.floor(Math.random() * 100),
diff --git a/packages/nodes-base/utils/utilities.ts b/packages/nodes-base/utils/utilities.ts
index 9fe3be14a6..056e56cbdb 100644
--- a/packages/nodes-base/utils/utilities.ts
+++ b/packages/nodes-base/utils/utilities.ts
@@ -84,7 +84,7 @@ export function updateDisplayOptions(
 
 export function processJsonInput<T>(jsonData: T, inputName?: string) {
 	let values;
-	const input = `'${inputName}' ` || '';
+	const input = inputName ? `'${inputName}' ` : '';
 
 	if (typeof jsonData === 'string') {
 		try {