Fix unsafe type assertions on object literals (#213318)

src/vs/platform/theme/browser/defaultStyles.ts

@@ -21,8 +21,8 @@ export type IStyleOverride<T> = {
 	[P in keyof T]?: ColorIdentifier | undefined;
 };
 
-function overrideStyles<T>(override: IStyleOverride<T>, styles: T): any {
-	const result = { ...styles } as { [P in keyof T]: string | undefined };
+function overrideStyles<T extends { [P in keyof T]: string | undefined }>(override: IStyleOverride<T>, styles: T): any {
+	const result: { [P in keyof T]: string | undefined } = { ...styles };
 	for (const key in override) {
 		const val = override[key];
 		result[key] = val !== undefined ? asCssVariable(val) : undefined;

src/vs/server/node/webClientServer.ts

@@ -30,13 +30,13 @@ import { isString } from 'vs/base/common/types';
 import { CharCode } from 'vs/base/common/charCode';
 import { IExtensionManifest } from 'vs/platform/extensions/common/extensions';
 
-const textMimeType = {
+const textMimeType: { [ext: string]: string | undefined } = {
 	'.html': 'text/html',
 	'.js': 'text/javascript',
 	'.json': 'application/json',
 	'.css': 'text/css',
 	'.svg': 'image/svg+xml',
-} as { [ext: string]: string | undefined };
+};
 
 /**
  * Return an error to the client.
@@ -306,17 +306,17 @@ export class WebClientServer {
 			scopes: [['user:email'], ['repo']]
 		} : undefined;
 
-		const productConfiguration = <Partial<IProductConfiguration>>{
+		const productConfiguration = {
 			embedderIdentifier: 'server-distro',
-			extensionsGallery: this._webExtensionResourceUrlTemplate ? {
+			extensionsGallery: this._webExtensionResourceUrlTemplate && this._productService.extensionsGallery ? {
 				...this._productService.extensionsGallery,
-				'resourceUrlTemplate': this._webExtensionResourceUrlTemplate.with({
+				resourceUrlTemplate: this._webExtensionResourceUrlTemplate.with({
 					scheme: 'http',
 					authority: remoteAuthority,
 					path: `${this._webExtensionRoute}/${this._webExtensionResourceUrlTemplate.authority}${this._webExtensionResourceUrlTemplate.path}`
 				}).toString(true)
 			} : undefined
-		};
+		} satisfies Partial<IProductConfiguration>;
 
 		if (!this._environmentService.isBuilt) {
 			try {

src/vs/workbench/contrib/themes/browser/themes.contribution.ts

@@ -815,18 +815,18 @@ registerAction2(class extends Action2 {
 });
 
 const ThemesSubMenu = new MenuId('ThemesSubMenu');
-MenuRegistry.appendMenuItem(MenuId.GlobalActivity, <ISubmenuItem>{
+MenuRegistry.appendMenuItem(MenuId.GlobalActivity, {
 	title: localize('themes', "Themes"),
 	submenu: ThemesSubMenu,
 	group: '2_configuration',
 	order: 7
-});
-MenuRegistry.appendMenuItem(MenuId.MenubarPreferencesMenu, <ISubmenuItem>{
+} satisfies ISubmenuItem);
+MenuRegistry.appendMenuItem(MenuId.MenubarPreferencesMenu, {
 	title: localize({ key: 'miSelectTheme', comment: ['&& denotes a mnemonic'] }, "&&Theme"),
 	submenu: ThemesSubMenu,
 	group: '2_configuration',
 	order: 7
-});
+} satisfies ISubmenuItem);
 
 MenuRegistry.appendMenuItem(ThemesSubMenu, {
 	command: {

src/vs/workbench/services/themes/common/colorThemeData.ts

@@ -437,7 +437,7 @@ export class ColorThemeData implements IWorkbenchColorTheme {
 	}
 
 	public getThemeSpecificColors(colors: IThemeScopableCustomizations): IThemeScopedCustomizations | undefined {
-		let themeSpecificColors;
+		let themeSpecificColors: IThemeScopedCustomizations | undefined;
 		for (const key in colors) {
 			const scopedColors = colors[key];
 			if (this.isThemeScope(key) && scopedColors instanceof Object && !Array.isArray(scopedColors)) {
@@ -446,7 +446,7 @@ export class ColorThemeData implements IWorkbenchColorTheme {
 					const themeId = themeScope.substring(1, themeScope.length - 1);
 					if (this.isThemeScopeMatch(themeId)) {
 						if (!themeSpecificColors) {
-							themeSpecificColors = {} as IThemeScopedCustomizations;
+							themeSpecificColors = {};
 						}
 						const scopedThemeSpecificColors = scopedColors as IThemeScopedCustomizations;
 						for (const subkey in scopedThemeSpecificColors) {