feat: Update version to 3.0.2 and add default footer elements for portal settings

src/extensions/customBranding/BrandingConfig.ts

@@ -46,7 +46,7 @@ export function normalizeBrandingConfig(
   }
   if (serializedLength > MaxBrandingConfigurationLength) {
     warnings.push('Configuration exceeds the maximum size and was ignored.');
-    return { config: createEmptyConfig(), warnings: warnings };
+    return { config: createEmptyConfig(siteCollectionUrl), warnings: warnings };
   }
 
   const allowedCssHosts: string[] = normalizeHosts(raw.allowedCssHosts);
@@ -54,9 +54,12 @@ export function normalizeBrandingConfig(
   const topSource: any[] = raw.placeholdertop && Array.isArray(raw.placeholdertop.elements)
     ? raw.placeholdertop.elements
     : (Array.isArray(raw.elements) ? raw.elements : []);
-  const bottomSource: any[] = raw.placeholderbottom && Array.isArray(raw.placeholderbottom.elements)
+  const configuredBottomSource: any[] = raw.placeholderbottom && Array.isArray(raw.placeholderbottom.elements)
     ? raw.placeholderbottom.elements
     : [];
+  const bottomSource: any[] = configuredBottomSource.length > 0
+    ? configuredBottomSource
+    : createDefaultFooterElements();
 
   const config: ICustomBrandingConfig = {
     schemaVersion: BrandingSchemaVersion,
@@ -127,7 +130,8 @@ export function sanitizeStyle(propertyName: string, value: string): string | und
   return styleValue;
 }
 
-function createEmptyConfig(): ICustomBrandingConfig {
+function createEmptyConfig(siteCollectionUrl: string): ICustomBrandingConfig {
+  const state: INormalizationState = { count: 0, warnings: [], siteCollectionUrl: siteCollectionUrl || '' };
   return {
     schemaVersion: BrandingSchemaVersion,
     portalSettings: createPortalSettingsDescriptor(),
@@ -136,10 +140,26 @@ function createEmptyConfig(): ICustomBrandingConfig {
     allowedCssHosts: [],
     cssfiles: [],
     placeholdertop: { elements: [] },
-    placeholderbottom: { elements: [] }
+    placeholderbottom: { elements: normalizeElements(createDefaultFooterElements(), 1, state) }
   };
 }
 
+function createDefaultFooterElements(): any[] {
+  return [{
+    type: 'div',
+    attributes: { role: 'contentinfo', 'aria-label': 'Portalverwaltung' },
+    styles: {
+      'background-color': '#323130', color: '#ffffff', padding: '12px 16px',
+      'text-align': 'center', width: '100%', 'box-sizing': 'border-box'
+    },
+    children: [{
+      type: 'a', content: 'Portal Settings',
+      attributes: { href: '~sitecollection/SitePages/PortalSettings.aspx' },
+      styles: { color: '#ffffff', 'text-decoration': 'underline' }
+    }]
+  }];
+}
+
 function createPortalSettingsDescriptor(): IPortalSettingsDescriptor {
   return {
     providerKey: 'custombranding',