feat(Notion Node): Allow to ignore Notion URL properties if empty (#3564)

* Allows to ignore Notion URL properties if empty

* Fixes linting

* Fixes another linting error that was not caught locally

* Reorders options alphabetically

packages/nodes-base/nodes/Notion/DatabasePageDescription.ts

@@ -319,6 +319,19 @@ export const databasePageFields = [
 						default: '',
 						description: 'Email address',
 					},
+					{
+						displayName: 'Ignore If Empty',
+						name: 'ignoreIfEmpty',
+						type: 'boolean',
+						displayOptions: {
+							show: {
+								type: [
+									'url',
+								],
+							},
+						},
+						default: false,
+					},
 					{
 						displayName: 'URL',
 						name: 'urlValue',
@@ -732,6 +745,19 @@ export const databasePageFields = [
 						},
 						default: '',
 					},
+					{
+						displayName: 'Ignore If Empty',
+						name: 'ignoreIfEmpty',
+						type: 'boolean',
+						displayOptions: {
+							show: {
+								type: [
+									'url',
+								],
+							},
+						},
+						default: false,
+					},
 					{
 						displayName: 'URL',
 						name: 'urlValue',

packages/nodes-base/nodes/Notion/GenericFunctions.ts

@@ -239,7 +239,9 @@ export function formatBlocks(blocks: IDataObject[]) {
 
 // tslint:disable-next-line: no-any
 function getPropertyKeyValue(value: any, type: string, timezone: string, version = 1) {
+	const ignoreIfEmpty = <T>(v: T, cb: (v: T) => any) => !v && value.ignoreIfEmpty ? undefined : cb(v);  // tslint:disable-line: no-any
 	let result = {};
+
 	switch (type) {
 		case 'rich_text':
 			if (value.richText === false) {
@@ -255,7 +257,7 @@ function getPropertyKeyValue(value: any, type: string, timezone: string, version
 			result = { type: 'number', number: value.numberValue };
 			break;
 		case 'url':
-			result = { type: 'url', url: value.urlValue };
+			result = ignoreIfEmpty(value.urlValue, url => ({ type: 'url', url }));
 			break;
 		case 'checkbox':
 			result = { type: 'checkbox', checkbox: value.checkboxValue };
@@ -361,9 +363,13 @@ function getNameAndType(key: string) {
 }
 
 export function mapProperties(properties: IDataObject[], timezone: string, version = 1) {
-	return properties.reduce((obj, value) => Object.assign(obj, {
+	return properties
-		[`${(value.key as string).split('|')[0]}`]: getPropertyKeyValue(value, (value.key as string).split('|')[1], timezone, version),
+	.filter((property): property is Record<string, { key: string; [k: string]: any }> => typeof property.key === 'string') // tslint:disable-line: no-any
-	}), {});
+		.map(property => [`${property.key.split('|')[0]}`, getPropertyKeyValue(property, property.key.split('|')[1], timezone, version)] as const)
+		.filter(([, value]) => value)
+		.reduce((obj, [key, value]) => Object.assign(obj, {
+			[key]: value,
+		}), {});
 }
 
 export function mapSorting(data: [{ key: string, type: string, direction: string, timestamp: boolean }]) {
@@ -425,7 +431,7 @@ function simplifyProperty(property: any) {
 		result = property.plain_text;
 	} else if (['rich_text', 'title'].includes(property.type)) {
 		if (Array.isArray(property[type]) && property[type].length !== 0) {
-				// tslint:disable-next-line: no-any
+			// tslint:disable-next-line: no-any
 			result = property[type].map((text: any) => simplifyProperty(text) as string).join('');
 		} else {
 			result = '';