do not use hasClass and first

#103454

Author: isidorn

src/vs/workbench/contrib/debug/browser/debugConfigurationManager.ts

@@ -37,7 +37,7 @@ import { CancellationToken, CancellationTokenSource } from 'vs/base/common/cance
 import { withUndefinedAsNull } from 'vs/base/common/types';
 import { sequence } from 'vs/base/common/async';
 import { IHistoryService } from 'vs/workbench/services/history/common/history';
-import { first, flatten } from 'vs/base/common/arrays';
+import { flatten } from 'vs/base/common/arrays';
 import { getVisibleAndSorted } from 'vs/workbench/contrib/debug/common/debugUtils';
 import { DebugConfigurationProviderTriggerKind } from 'vs/workbench/api/common/extHostTypes';
 
@@ -518,7 +518,7 @@ export class ConfigurationManager implements IConfigurationManager {
 			const rootUri = this.historyService.getLastActiveWorkspaceRoot();
 			launch = this.getLaunch(rootUri);
 			if (!launch || launch.getConfigurationNames().length === 0) {
-				launch = first(this.launches, l => !!(l && l.getConfigurationNames().length), launch) || this.launches[0];
+				launch = this.launches.find(l => !!(l && l.getConfigurationNames().length)) || launch || this.launches[0];
 			}
 		}
 

src/vs/workbench/contrib/debug/browser/debugEditorContribution.ts

@@ -26,7 +26,6 @@ import { ExceptionWidget } from 'vs/workbench/contrib/debug/browser/exceptionWid
 import { FloatingClickWidget } from 'vs/workbench/browser/parts/editor/editorWidgets';
 import { Position } from 'vs/editor/common/core/position';
 import { CoreEditingCommands } from 'vs/editor/browser/controller/coreCommands';
-import { first } from 'vs/base/common/arrays';
 import { memoize, createMemoizer } from 'vs/base/common/decorators';
 import { IEditorHoverOptions, EditorOption } from 'vs/editor/common/config/editorOptions';
 import { DebugHoverWidget } from 'vs/workbench/contrib/debug/browser/debugHover';
@@ -373,7 +372,7 @@ export class DebugEditorContribution implements IDebugEditorContribution {
 		}
 
 		// First call stack frame that is available is the frame where exception has been thrown
-		const exceptionSf = first(callStack, sf => !!(sf && sf.source && sf.source.available && sf.source.presentationHint !== 'deemphasize'), undefined);
+		const exceptionSf = callStack.find(sf => !!(sf && sf.source && sf.source.available && sf.source.presentationHint !== 'deemphasize'));
 		if (!exceptionSf || exceptionSf !== focusedSf) {
 			this.closeExceptionWidget();
 			return;

src/vs/workbench/contrib/debug/browser/repl.ts

@@ -37,7 +37,6 @@ import { transparent, editorForeground } from 'vs/platform/theme/common/colorReg
 import { ICodeEditorService } from 'vs/editor/browser/services/codeEditorService';
 import { FocusSessionActionViewItem } from 'vs/workbench/contrib/debug/browser/debugActionViewItems';
 import { CompletionContext, CompletionList, CompletionProviderRegistry, CompletionItem, completionKindFromString, CompletionItemKind, CompletionItemInsertTextRule } from 'vs/editor/common/modes';
-import { first } from 'vs/base/common/arrays';
 import { ITreeNode, ITreeContextMenuEvent, IAsyncDataSource } from 'vs/base/browser/ui/tree/tree';
 import { IEditorService } from 'vs/workbench/services/editor/common/editorService';
 import { LinkDetector } from 'vs/workbench/contrib/debug/browser/linkDetector';
@@ -360,7 +359,7 @@ export class Repl extends ViewPane implements IHistoryNavigationWidget {
 			if (focusedSession) {
 				session = focusedSession;
 			} else if (!treeInput || sessionsToIgnore.has(treeInput)) {
-				session = first(this.debugService.getModel().getSessions(true), s => !sessionsToIgnore.has(s)) || undefined;
+				session = this.debugService.getModel().getSessions(true).find(s => !sessionsToIgnore.has(s));
 			}
 		}
 		if (session) {

src/vs/workbench/contrib/debug/common/debugModel.ts

@@ -10,7 +10,7 @@ import { Event, Emitter } from 'vs/base/common/event';
 import { generateUuid } from 'vs/base/common/uuid';
 import { RunOnceScheduler } from 'vs/base/common/async';
 import { isString, isUndefinedOrNull } from 'vs/base/common/types';
-import { distinct, lastIndex, first } from 'vs/base/common/arrays';
+import { distinct, lastIndex } from 'vs/base/common/arrays';
 import { Range, IRange } from 'vs/editor/common/core/range';
 import {
 	ITreeElement, IExpression, IExpressionContainer, IDebugSession, IStackFrame, IExceptionBreakpoint, IBreakpoint, IFunctionBreakpoint, IDebugModel,
@@ -421,7 +421,7 @@ export class Thread implements IThread {
 	}
 
 	getTopStackFrame(): IStackFrame | undefined {
-		return first(this.getCallStack(), sf => !!(sf && sf.source && sf.source.available && sf.source.presentationHint !== 'deemphasize'), undefined);
+		return this.getCallStack().find(sf => !!(sf && sf.source && sf.source.available && sf.source.presentationHint !== 'deemphasize'));
 	}
 
 	get stateLabel(): string {