package-json - npm Package Compare versions

Comparing version 1.1.0 to 1.2.0

index.js

@@ -5,4 +5,20 @@ 'use strict';
 
+function get(url, cb) {
+	got(url, {json: true}, function (err, data) {
+		if (err && err.code === 404) {
+			cb(new Error('Package or version doesn\'t exist'));
+			return;
+		}
+
+		if (err) {
+			cb(err);
+			return;
+		}
+
+		cb(null, data);
+	});
+}
+
 module.exports = function (name, version, cb) {
-	var url = registryUrl(name.split('/')[0]);
+	var url = registryUrl(name.split('/')[0]) + name + '/';
 
@@ -14,8 +30,10 @@ if (typeof version !== 'string') {
 
-	got(url + encodeURIComponent(name) + '/' + version, function (err, data) {
-		if (err && err.code === 404) {
-			cb(new Error('Package or version doesn\'t exist'));
-			return;
-		}
+	get(url + version, cb);
+};
 
+module.exports.field = function (name, field, cb) {
+	var url = registryUrl(name.split('/')[0]) +
+		'-/by-field/?key=%22' + name + '%22&field=' + field;
+
+	get(url, function (err, res) {
 		if (err) {
@@ -26,4 +44,9 @@ cb(err);
 
-		cb(null, JSON.parse(data));
+		if (Object.keys(res).length === 0) {
+			cb(new Error('Field `' + field + '` doesn\'t exist'));
+			return;
+		}
+
+		cb(null, res[name][field]);
 	});
 };

package.json

 {
   "name": "package-json",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "description": "Get the package.json of a package from the npm registry",
@@ -33,3 +33,3 @@ "license": "MIT",
   "dependencies": {
-    "got": "^2.4.0",
+    "got": "^3.2.0",
     "registry-url": "^3.0.0"
@@ -36,0 +36,0 @@ },

readme.md

@@ -28,2 +28,7 @@ # package-json [![Build Status](https://travis-ci.org/sindresorhus/package-json.svg?branch=master)](https://travis-ci.org/sindresorhus/package-json)
 });
+
+packageJson.field('pageres', 'description', function (err, field) {
+	console.log(field);
+	//=> 'Capture website screenshots'
+});
 ```
@@ -39,6 +44,12 @@
 
+### packageJson.field(name, field, callback)
 
+Get a specific field in the `package.json`.
+
+
 ## Related
 
-- [`npm-keyword`](https://github.com/sindresorhus/npm-keyword) - Get a list of npm packages with a certain keyword
+- [npm-keyword](https://github.com/sindresorhus/npm-keyword) - Get a list of npm packages with a certain keyword
+- [npm-user](https://github.com/sindresorhus/npm-user) - Get user info of a npm user
+- [npm-email](https://github.com/sindresorhus/npm-email) - Get the email of a npm user
 
@@ -45,0 +56,0 @@

No alert changes

Improved metrics

Total package byte prevSize

4140

increased by23.69%

Lines of code

39

increased by85.71%

Number of lines in readme file

58

increased by23.4%

Dependency changes

• + Addedgot@3.3.1(transitive)

• + Addedis-redirect@1.0.0(transitive)

• + Addedobject-assign@3.0.0(transitive)

• + Addedpinkie@2.0.4(transitive)

• + Addedpinkie-promise@2.0.1(transitive)

• + Addedread-all-stream@3.1.0(transitive)

• - Removedgot@2.9.2(transitive)

• - Removedobject-assign@2.1.1(transitive)

• - Removedread-all-stream@2.2.0(transitive)

• - Removedstatuses@1.5.0(transitive)

• Updatedgot@^3.2.0