debt - handle BigInt in safeStringify (microsoft#210220)

Author: bpasero

src/vs/base/common/objects.ts

@@ -177,6 +177,9 @@ export function safeStringify(obj: any): string {
 				seen.add(value);
 			}
 		}
+		if (typeof value === 'bigint') {
+			return `[BigInt ${value.toString()}]`;
+		}
 		return value;
 	});
 }

src/vs/base/test/common/objects.test.ts

@@ -113,7 +113,8 @@ suite('Objects', () => {
 			c: [
 				obj1, obj2
 			],
-			d: null
+			d: null,
+			e: BigInt(42)
 		};
 
 		arr.push(circular);
@@ -135,7 +136,8 @@ suite('Objects', () => {
 				},
 				'[Circular]'
 			],
-			d: [1, '[Circular]', '[Circular]']
+			d: [1, '[Circular]', '[Circular]'],
+			e: '[BigInt 42]'
 		});
 	});