package-json - npm Package Compare versions

Comparing version 5.0.0 to 6.0.0

index.js

 'use strict';
-const url = require('url');
+const {URL} = require('url');
 const got = require('got');
@@ -8,12 +8,27 @@ const registryUrl = require('registry-url');
 
-module.exports = (name, options) => {
+class PackageNotFoundError extends Error {
+	constructor(packageName) {
+		super(`Package \`${packageName}\` could not be found`);
+		this.name = 'PackageNotFoundError';
+	}
+}
+
+class VersionNotFoundError extends Error {
+	constructor(packageName, version) {
+		super(`Version \`${version}\` for package \`${packageName}\` could not be found`);
+		this.name = 'VersionNotFoundError';
+	}
+}
+
+module.exports = async (name, options) => {
+	options = {
+		version: 'latest',
+		...options
+	};
+
 	const scope = name.split('/')[0];
 	const regUrl = registryUrl(scope);
-	const pkgUrl = url.resolve(regUrl, encodeURIComponent(name).replace(/^%40/, '@'));
-	const authInfo = registryAuthToken(regUrl, {recursive: true});
+	const pkgUrl = new URL(encodeURIComponent(name).replace(/^%40/, '@'), regUrl);
+	const authInfo = registryAuthToken(regUrl.toString(), {recursive: true});
 
-	options = Object.assign({
-		version: 'latest'
-	}, options);
-
 	const headers = {
@@ -31,39 +46,46 @@ accept: 'application/vnd.npm.install-v1+json; q=1.0, application/json; q=0.8, */*'
 
-	return got(pkgUrl, {json: true, headers})
-		.then(res => {
-			let data = res.body;
-			let {version} = options;
+	let response;
+	try {
+		response = await got(pkgUrl, {json: true, headers});
+	} catch (error) {
+		if (error.statusCode === 404) {
+			throw new PackageNotFoundError(name);
+		}
 
-			if (options.allVersions) {
-				return data;
-			}
+		throw error;
+	}
 
-			if (data['dist-tags'][version]) {
-				data = data.versions[data['dist-tags'][version]];
-			} else if (version) {
-				if (!data.versions[version]) {
-					const versions = Object.keys(data.versions);
-					version = semver.maxSatisfying(versions, version);
+	let data = response.body;
 
-					if (!version) {
-						throw new Error('Version doesn\'t exist');
-					}
-				}
+	if (options.allVersions) {
+		return data;
+	}
 
-				data = data.versions[version];
+	let {version} = options;
+	const versionError = new VersionNotFoundError(name, version);
 
-				if (!data) {
-					throw new Error('Version doesn\'t exist');
-				}
-			}
+	if (data['dist-tags'][version]) {
+		data = data.versions[data['dist-tags'][version]];
+	} else if (version) {
+		if (!data.versions[version]) {
+			const versions = Object.keys(data.versions);
+			version = semver.maxSatisfying(versions, version);
 
-			return data;
-		})
-		.catch(err => {
-			if (err.statusCode === 404) {
-				throw new Error(`Package \`${name}\` doesn't exist`);
+			if (!version) {
+				throw versionError;
 			}
+		}
 
-			throw err;
-		});
+		data = data.versions[version];
+
+		if (!data) {
+			throw versionError;
+		}
+	}
+
+	return data;
 };
+
+module.exports.PackageNotFoundError = PackageNotFoundError;
+
+module.exports.VersionNotFoundError = VersionNotFoundError;

package.json

 {
 	"name": "package-json",
-	"version": "5.0.0",
+	"version": "6.0.0",
 	"description": "Get metadata of a package from the npm registry",
@@ -13,3 +13,3 @@ "license": "MIT",
 	"engines": {
-		"node": ">=6"
+		"node": ">=8"
 	},
@@ -34,12 +34,12 @@ "scripts": {
 	"dependencies": {
-		"got": "^8.3.1",
+		"got": "^9.6.0",
 		"registry-auth-token": "^3.3.2",
-		"registry-url": "^3.1.0",
-		"semver": "^5.5.0"
+		"registry-url": "^4.0.0",
+		"semver": "^5.6.0"
 	},
 	"devDependencies": {
-		"ava": "*",
+		"ava": "^1.2.0",
 		"mock-private-registry": "^1.1.2",
-		"xo": "*"
+		"xo": "^0.24.0"
 	}
 }

readme.md

@@ -70,3 +70,11 @@ # package-json [![Build Status](https://travis-ci.org/sindresorhus/package-json.svg?branch=master)](https://travis-ci.org/sindresorhus/package-json)
 
+### packageJson.PackageNotFoundError
 
+The error thrown when the given package name cannot be found.
+
+### packageJson.VersionNotFoundError
+
+The error thrown when the given package version cannot be found.
+
+
 ## Authentication
@@ -73,0 +81,0 @@

New alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Fixed alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

6427

increased by12.24%

Lines of code

70

increased by29.63%

Number of lines in readme file

97

increased by8.99%

Dependency changes

• + Added@sindresorhus/is@0.14.0(transitive)

• + Added@szmarczak/http-timer@1.1.2(transitive)

• + Addedcacheable-request@6.1.0(transitive)

• + Addedclone-response@1.0.3(transitive)

• + Addeddefer-to-connect@1.1.3(transitive)

• + Addedend-of-stream@1.4.4(transitive)

• + Addedget-stream@4.1.05.2.0(transitive)

• + Addedgot@9.6.0(transitive)

• + Addedhttp-cache-semantics@4.1.1(transitive)

• + Addedkeyv@3.1.0(transitive)

• + Addedlowercase-keys@2.0.0(transitive)

• + Addednormalize-url@4.5.1(transitive)

• + Addedonce@1.4.0(transitive)

• + Addedp-cancelable@1.1.0(transitive)

• + Addedpump@3.0.2(transitive)

• + Addedregistry-url@4.0.0(transitive)

• + Addedto-readable-stream@1.0.0(transitive)

• + Addedwrappy@1.0.2(transitive)

• - Removed@sindresorhus/is@0.7.0(transitive)

• - Removedcacheable-request@2.1.4(transitive)

• - Removedclone-response@1.0.2(transitive)

• - Removedcore-util-is@1.0.3(transitive)

• - Removeddecode-uri-component@0.2.2(transitive)

• - Removedfrom2@2.3.0(transitive)

• - Removedget-stream@3.0.0(transitive)

• - Removedgot@8.3.2(transitive)

• - Removedhas-symbol-support-x@1.4.2(transitive)

• - Removedhas-to-string-tag-x@1.4.1(transitive)

• - Removedhttp-cache-semantics@3.8.1(transitive)

• - Removedinherits@2.0.4(transitive)

• - Removedinto-stream@3.1.0(transitive)

• - Removedis-object@1.0.2(transitive)

• - Removedis-plain-obj@1.1.0(transitive)

• - Removedis-retry-allowed@1.2.0(transitive)

• - Removedisarray@1.0.0(transitive)

• - Removedisurl@1.0.0(transitive)

• - Removedkeyv@3.0.0(transitive)

• - Removedlowercase-keys@1.0.0(transitive)

• - Removednormalize-url@2.0.1(transitive)

• - Removedobject-assign@4.1.1(transitive)

• - Removedp-cancelable@0.4.1(transitive)

• - Removedp-finally@1.0.0(transitive)

• - Removedp-is-promise@1.1.0(transitive)

• - Removedp-timeout@2.0.1(transitive)

• - Removedpify@3.0.0(transitive)

• - Removedprocess-nextick-args@2.0.1(transitive)

• - Removedquery-string@5.1.1(transitive)

• - Removedreadable-stream@2.3.8(transitive)

• - Removedregistry-url@3.1.0(transitive)

• - Removedsafe-buffer@5.1.2(transitive)

• - Removedsort-keys@2.0.0(transitive)

• - Removedstrict-uri-encode@1.1.0(transitive)

• - Removedstring_decoder@1.1.1(transitive)

• - Removedtimed-out@4.0.1(transitive)

• - Removedurl-to-options@1.0.1(transitive)

• - Removedutil-deprecate@1.0.2(transitive)

• Updatedgot@^9.6.0

• Updatedregistry-url@^4.0.0

• Updatedsemver@^5.6.0