Use Array.from's map directly instead of a second call to map

extensions/markdown-language-features/preview-src/index.ts

@@ -41,7 +41,7 @@ window.onload = () => {
 function doAfterImagesLoaded(cb: () => void) {
 	const imgElements = document.getElementsByTagName('img');
 	if (imgElements.length > 0) {
-		const ps = Array.from(imgElements).map(e => {
+		const ps = Array.from(imgElements, e => {
 			if (e.complete) {
 				return Promise.resolve();
 			} else {

extensions/markdown-language-features/src/features/workspaceSymbolProvider.ts

@@ -134,7 +134,7 @@ export default class MarkdownWorkspaceSymbolProvider extends Disposable implemen
 			this._workspaceMarkdownDocumentProvider.onDidDeleteMarkdownDocument(this.onDidDeleteDocument, this, this._disposables);
 		}
 
-		const allSymbolsSets = await Promise.all(Array.from(this._symbolCache.values()).map(x => x.value));
+		const allSymbolsSets = await Promise.all(Array.from(this._symbolCache.values(), x => x.value));
 		const allSymbols = allSymbolsSets.flat();
 		return allSymbols.filter(symbolInformation => symbolInformation.name.toLowerCase().indexOf(query.toLowerCase()) !== -1);
 	}

extensions/typescript-language-features/src/utils/resourceMap.ts

@@ -73,7 +73,7 @@ export class ResourceMap<T> {
 	}
 
 	public get values(): Iterable<T> {
-		return Array.from(this._map.values()).map(x => x.value);
+		return Array.from(this._map.values(), x => x.value);
 	}
 
 	public get entries(): Iterable<{ resource: vscode.Uri, value: T }> {