JavaScriptExpert
diff --git a/‎apps/api-extractor/.vscode/launch.json‎
Lines changed: 3 additions & 0 deletions b/‎apps/api-extractor/.vscode/launch.json‎
Lines changed: 3 additions & 0 deletions
diff --git a/‎apps/api-extractor/src/cli/ApiExtractorCommandLine.ts‎
Lines changed: 21 additions & 1 deletion b/‎apps/api-extractor/src/cli/ApiExtractorCommandLine.ts‎
Lines changed: 21 additions & 1 deletion
diff --git a/‎apps/api-extractor/src/generators/packageTypings/SymbolAnalyzer.ts‎
Lines changed: 20 additions & 0 deletions b/‎apps/api-extractor/src/generators/packageTypings/SymbolAnalyzer.ts‎
Lines changed: 20 additions & 0 deletions
@@ -12,6 +12,7 @@
       "program": "${workspaceFolder}/lib/start.js",
       "cwd": "${workspaceFolder}/../../build-tests/api-extractor-test-01",
       "args": [
+        "-d",
         "run",
         "-l"
       ]
@@ -23,6 +24,7 @@
       "program": "${workspaceFolder}/lib/start.js",
       "cwd": "${workspaceFolder}/../../build-tests/api-extractor-test-02",
       "args": [
+        "-d",
         "run",
         "-l"
       ]
@@ -34,6 +36,7 @@
       "program": "${workspaceFolder}/lib/start.js",
       "cwd": "${workspaceFolder}/../../build-tests/api-extractor-test-04",
       "args": [
+        "-d",
         "run",
         "-l"
       ]
 
@@ -1,10 +1,12 @@
 // Copyright (c) Microsoft Corporation. All rights reserved. Licensed under the MIT license.
 // See LICENSE in the project root for license information.
 
-import { CommandLineParser } from '@microsoft/ts-command-line';
+import { CommandLineParser, CommandLineFlagParameter } from '@microsoft/ts-command-line';
 import { RunAction } from './RunAction';
 
 export class ApiExtractorCommandLine extends CommandLineParser {
+  private _debugParameter: CommandLineFlagParameter;
+
   constructor() {
     super({
       toolFilename: 'api-extractor',
@@ -14,6 +16,24 @@ export class ApiExtractorCommandLine extends CommandLineParser {
   }
 
   protected onDefineParameters(): void { // override
+    this._debugParameter = this.defineFlagParameter({
+      parameterLongName: '--debug',
+      parameterShortName: '-d',
+      description: 'Show the full call stack if an error occurs while executing the tool'
+    });
+  }
+
+  protected onExecute(): Promise<void> { // override
+    return super.onExecute().catch((error) => {
+
+      if (this._debugParameter.value) {
+        console.error(os.EOL + error.stack);
+      } else {
+        console.error(os.EOL + colors.red('ERROR: ' + error.message.trim()));
+      }
+
+      process.exitCode = 1;
+    });
   }
 
   private _populateActions(): void {
 
@@ -93,6 +93,26 @@ export class SymbolAnalyzer {
       current = currentAlias;
     }
 
+    // Is the followedSymbol actually the kind of thing that can be ambient?
+    if (isAmbient) {
+      for (const declaration of current.declarations || []) {
+        switch (declaration.kind) {
+          case ts.SyntaxKind.ClassDeclaration:
+          case ts.SyntaxKind.InterfaceDeclaration:
+          case ts.SyntaxKind.FunctionDeclaration:
+          case ts.SyntaxKind.ModuleDeclaration:
+          case ts.SyntaxKind.VariableDeclaration:
+            // These actually need "export" keywords
+            break;
+          default:
+            // Everything else we assume is some kind of nested declaration that
+            // doesn't need it.
+            isAmbient = false;
+            break;
+        }
+      }
+    }
+
     return {
       followedSymbol: current,
       localName: declarationName || current.name,