parse-json - npm Package Compare versions

Comparing version 8.0.1 to 8.1.0

index.js

@@ -1,5 +0,6 @@
-import fallback from 'json-parse-even-better-errors';
 import {codeFrameColumns} from '@babel/code-frame';
 import indexToPosition from 'index-to-position';
 
+const getCodePoint = character => `\\u{${character.codePointAt(0).toString(16)}}`;
+
 export class JSONError extends Error {
@@ -35,3 +36,3 @@ name = 'JSONError';
 const getErrorLocation = (string, message) => {
-	const match = message.match(/in JSON at position (?<index>\d+)(?: \(line (?<line>\d+) column (?<column>\d+)\))? while parsing/);
+	const match = message.match(/in JSON at position (?<index>\d+)(?: \(line (?<line>\d+) column (?<column>\d+)\))?$/);
 
@@ -59,5 +60,11 @@ if (!match) {
 
-export default function parseJson(string, reviver, filename) {
+const addCodePointToUnexpectedToken = message => message.replace(
+	// TODO[engine:node@>=20]: The token always quoted after Node.js 20
+	/(?<=^Unexpected token )(?<quote>')?(.)\k<quote>/,
+	(_, _quote, token) => `"${token}"(${getCodePoint(token)})`,
+);
+
+export default function parseJson(string, reviver, fileName) {
 	if (typeof reviver === 'string') {
-		filename = reviver;
+		fileName = reviver;
 		reviver = undefined;
@@ -73,16 +80,14 @@ }
 
-	try {
-		fallback(string, reviver);
-	} catch (error) {
-		message = error.message;
+	let location;
+	if (string) {
+		location = getErrorLocation(string, message);
+		message = addCodePointToUnexpectedToken(message);
+	} else {
+		message += ' while parsing empty string';
 	}
 
-	message = message.replaceAll('\n', '');
 	const jsonError = new JSONError(message);
 
-	if (filename) {
-		jsonError.fileName = filename;
-	}
+	jsonError.fileName = fileName;
 
-	const location = getErrorLocation(string, message);
 	if (location) {
@@ -89,0 +94,0 @@ jsonError.codeFrame = generateCodeFrame(string, location);

package.json

 {
 	"name": "parse-json",
-	"version": "8.0.1",
+	"version": "8.1.0",
 	"description": "Parse JSON with more helpful errors",
@@ -42,4 +42,3 @@ "license": "MIT",
 		"@babel/code-frame": "^7.22.13",
-		"index-to-position": "^0.1.1",
-		"json-parse-even-better-errors": "^3.0.0",
+		"index-to-position": "^0.1.2",
 		"type-fest": "^4.7.1"
@@ -46,0 +45,0 @@ },

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Improved metrics

Total package byte prevSize

9522

increased by2.27%

Dependency count

3

decreased by-25%

Lines of code

180

increased by1.69%

Dependency changes

• - Removedjson-parse-even-better-errors@^3.0.0

• - Removedjson-parse-even-better-errors@3.0.2(transitive)

• Updatedindex-to-position@^0.1.2