Initial commit

nova-components/NovaLeader/node_modules/bin-version-check/index.js

@@ -0,0 +1,28 @@
+'use strict';
+var semver = require('semver');
+var binVersion = require('bin-version');
+var semverTruncate = require('semver-truncate');
+
+module.exports = function (bin, versionRange, cb) {
+	if (typeof bin !== 'string' || typeof versionRange !== 'string') {
+		throw new Error('`binary` and `versionRange` required');
+	}
+
+	if (!semver.validRange(versionRange)) {
+		return cb(new Error('Invalid version range'));
+	}
+
+	binVersion(bin, function (err, binVersion) {
+		if (err) {
+			return cb(err);
+		}
+
+		if (!semver.satisfies(semverTruncate(binVersion, 'patch'), versionRange)) {
+			err = new Error(bin + ' ' + binVersion + ' does not satisfy the version requirement of ' + versionRange);
+			err.name = 'InvalidBinVersion';
+			return cb(err);
+		}
+
+		cb();
+	});
+};