make it a getter so tests pass

Mohsen Azimi · Mohsen Azimi · commit c8cfff70c0d3 · 2018-04-07T17:44:27.000-07:00
diff --git a/lib/WebpackError.js b/lib/WebpackError.js
@@ -7,14 +7,13 @@
 module.exports = class WebpackError extends Error {
 	constructor(message) {
 		super(message);
-		this.name = 'WebpackError';
+
 		this.message = message;
 		Error.captureStackTrace(this, this.constructor);
-
-		/** @type {string} */
-		this.details = undefined;
 	}
 
+	get details() {}
+
 	inspect() {
 		return this.stack + (this.details ? `\n${this.details}` : "");
 	}
