Clean up the oopsie. Rebuild the blank exercises.

node_modules/parse-json/index.js

@@ -1,12 +1,15 @@
 'use strict';
-var errorEx = require('error-ex');
-var fallback = require('./vendor/parse');
+const errorEx = require('error-ex');
+const fallback = require('json-parse-even-better-errors');
+const {default: LinesAndColumns} = require('lines-and-columns');
+const {codeFrameColumns} = require('@babel/code-frame');
 
-var JSONError = errorEx('JSONError', {
-	fileName: errorEx.append('in %s')
+const JSONError = errorEx('JSONError', {
+	fileName: errorEx.append('in %s'),
+	codeFrame: errorEx.append('\n\n%s\n')
 });
 
-module.exports = function (x, reviver, filename) {
+const parseJson = (string, reviver, filename) => {
 	if (typeof reviver === 'string') {
 		filename = reviver;
 		reviver = null;
@@ -14,22 +17,38 @@ module.exports = function (x, reviver, filename) {
 
 	try {
 		try {
-			return JSON.parse(x, reviver);
-		} catch (err) {
-			fallback.parse(x, {
-				mode: 'json',
-				reviver: reviver
-			});
-
-			throw err;
+			return JSON.parse(string, reviver);
+		} catch (error) {
+			fallback(string, reviver);
+			throw error;
 		}
-	} catch (err) {
-		var jsonErr = new JSONError(err);
+	} catch (error) {
+		error.message = error.message.replace(/\n/g, '');
+		const indexMatch = error.message.match(/in JSON at position (\d+) while parsing/);
 
+		const jsonError = new JSONError(error);
 		if (filename) {
-			jsonErr.fileName = filename;
+			jsonError.fileName = filename;
 		}
 
-		throw jsonErr;
+		if (indexMatch && indexMatch.length > 0) {
+			const lines = new LinesAndColumns(string);
+			const index = Number(indexMatch[1]);
+			const location = lines.locationForIndex(index);
+
+			const codeFrame = codeFrameColumns(
+				string,
+				{start: {line: location.line + 1, column: location.column + 1}},
+				{highlightCode: true}
+			);
+
+			jsonError.codeFrame = codeFrame;
+		}
+
+		throw jsonError;
 	}
 };
+
+parseJson.JSONError = JSONError;
+
+module.exports = parseJson;