initial commit

node_modules/package-json/index.js

@@ -0,0 +1,49 @@
+'use strict';
+var got = require('got');
+var registryUrl = require('registry-url');
+
+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]) + name + '/';
+
+	if (typeof version !== 'string') {
+		cb = version;
+		version = '';
+	}
+
+	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) {
+			cb(err);
+			return;
+		}
+
+		if (Object.keys(res).length === 0) {
+			cb(new Error('Field `' + field + '` doesn\'t exist'));
+			return;
+		}
+
+		cb(null, res[name][field]);
+	});
+};