parse-json - npm Package Compare versions

Comparing version 4.0.0 to 5.0.0

index.js

 'use strict';
 const errorEx = require('error-ex');
 const fallback = require('json-parse-better-errors');
+const {default: LinesAndColumns} = require('lines-and-columns');
+const {codeFrameColumns} = require('@babel/code-frame');
 
 const JSONError = errorEx('JSONError', {
-	fileName: errorEx.append('in %s')
+	fileName: errorEx.append('in %s'),
+	codeFrame: errorEx.append('\n\n%s\n')
 });
 
-module.exports = (input, reviver, filename) => {
+module.exports = (string, reviver, filename) => {
 	if (typeof reviver === 'string') {
@@ -17,18 +20,32 @@ filename = reviver;
 		try {
-			return JSON.parse(input, reviver);
-		} catch (err) {
-			fallback(input, reviver);
-
-			throw err;
+			return JSON.parse(string, reviver);
+		} catch (error) {
+			fallback(string, reviver);
+			throw error;
 		}
-	} catch (err) {
-		err.message = err.message.replace(/\n/g, '');
+	} catch (error) {
+		error.message = error.message.replace(/\n/g, '');
+		const indexMatch = error.message.match(/in JSON at position (\d+) while parsing near/);
 
-		const jsonErr = new JSONError(err);
+		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;
 	}
 };

package.json

 {
-  "name": "parse-json",
-  "version": "4.0.0",
-  "description": "Parse JSON with more helpful errors",
-  "license": "MIT",
-  "repository": "sindresorhus/parse-json",
-  "author": {
-    "name": "Sindre Sorhus",
-    "email": "[e-mail]",
-    "url": "sindresorhus.com"
-  },
-  "engines": {
-    "node": ">=4"
-  },
-  "scripts": {
-    "test": "xo && nyc ava"
-  },
-  "files": [
-    "index.js",
-    "vendor"
-  ],
-  "keywords": [
-    "parse",
-    "json",
-    "graceful",
-    "error",
-    "message",
-    "humanize",
-    "friendly",
-    "helpful",
-    "string",
-    "str"
-  ],
-  "dependencies": {
-    "error-ex": "^1.3.1",
-    "json-parse-better-errors": "^1.0.1"
-  },
-  "devDependencies": {
-    "ava": "*",
-    "nyc": "^11.2.1",
-    "xo": "*"
-  }
+	"name": "parse-json",
+	"version": "5.0.0",
+	"description": "Parse JSON with more helpful errors",
+	"license": "MIT",
+	"repository": "sindresorhus/parse-json",
+	"author": {
+		"name": "Sindre Sorhus",
+		"email": "[e-mail]",
+		"url": "sindresorhus.com"
+	},
+	"engines": {
+		"node": ">=8"
+	},
+	"scripts": {
+		"test": "xo && nyc ava"
+	},
+	"files": [
+		"index.js",
+		"vendor"
+	],
+	"keywords": [
+		"parse",
+		"json",
+		"graceful",
+		"error",
+		"message",
+		"humanize",
+		"friendly",
+		"helpful",
+		"string"
+	],
+	"dependencies": {
+		"@babel/code-frame": "^7.0.0",
+		"error-ex": "^1.3.1",
+		"json-parse-better-errors": "^1.0.1",
+		"lines-and-columns": "^1.1.6"
+	},
+	"devDependencies": {
+		"ava": "^1.4.1",
+		"nyc": "^14.1.1",
+		"xo": "^0.24.0"
+	}
 }

readme.md

@@ -17,2 +17,3 @@ # parse-json [![Build Status](https://travis-ci.org/sindresorhus/parse-json.svg?branch=master)](https://travis-ci.org/sindresorhus/parse-json)
 const parseJson = require('parse-json');
+
 const json = '{\n\t"foo": true,\n}';
@@ -32,5 +33,8 @@
 /*
-JSONError: Trailing comma in object at 3:1
-}
-^
+JSONError: Unexpected token } in JSON at position 16 while parsing near '{      "foo": true,}'
+
+  1 | {
+  2 |   "foo": true,
+> 3 | }
+    | ^
 */
@@ -41,5 +45,8 @@
 /*
-JSONError: Trailing comma in object in foo.json:3:1
-}
-^
+JSONError: Unexpected token } in JSON at position 16 while parsing near '{      "foo": true,}' in foo.json
+
+  1 | {
+  2 |   "foo": true,
+> 3 | }
+    | ^
 */
@@ -51,10 +58,13 @@
 	parseJson(json);
-} catch (err) {
-	err.fileName = 'foo.json';
-	throw err;
+} catch (error) {
+	error.fileName = 'foo.json';
+	throw error;
 }
 /*
-JSONError: Trailing comma in object in foo.json:3:1
-}
-^
+JSONError: Unexpected token } in JSON at position 16 while parsing near '{      "foo": true,}' in foo.json
+
+  1 | {
+  2 |   "foo": true,
+> 3 | }
+    | ^
 */
@@ -65,5 +75,5 @@ ```
 
-### parseJson(input, [reviver], [filename])
+### parseJson(string, reviver?, filename?)
 
-#### input
+#### string
 
@@ -86,4 +96,12 @@ Type: `string`
 
-## License
+---
 
-MIT © [Sindre Sorhus](https://sindresorhus.com)
+<div align="center">
+	<b>
+		<a href="https://tidelift.com/subscription/pkg/npm-parse-json?utm_source=npm-parse-json&utm_medium=referral&utm_campaign=readme">Get professional support for this package with a Tidelift subscription</a>
+	</b>
+	<br>
+	<sub>
+		Tidelift helps make open source sustainable for maintainers while giving companies<br>assurances about security, maintenance, and licensing for their dependencies.
+	</sub>
+</div>

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Fixed alerts

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Major refactor

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Package has recently undergone a major refactor. It may be unstable or indicate significant internal changes. Use caution when updating to versions that include significant changes.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

5067

increased by35.41%

Lines of code

42

increased by55.56%

Number of lines in readme file

102

increased by21.43%

Number of medium supply chain risk alerts

0

decreased by-100%

Worsened metrics

Dependency count

4

increased by100%

Dependency changes

• + Added@babel/code-frame@^7.0.0

• + Addedlines-and-columns@^1.1.6

• + Added@babel/code-frame@7.24.7(transitive)

• + Added@babel/helper-validator-identifier@7.24.7(transitive)

• + Added@babel/highlight@7.24.7(transitive)

• + Addedansi-styles@3.2.1(transitive)

• + Addedchalk@2.4.2(transitive)

• + Addedcolor-convert@1.9.3(transitive)

• + Addedcolor-name@1.1.3(transitive)

• + Addedescape-string-regexp@1.0.5(transitive)

• + Addedhas-flag@3.0.0(transitive)

• + Addedjs-tokens@4.0.0(transitive)

• + Addedlines-and-columns@1.2.4(transitive)

• + Addedpicocolors@1.1.0(transitive)

• + Addedsupports-color@5.5.0(transitive)