make Prettier v2

.prettierrc

@@ -0,0 +1,8 @@
+{
+  "bracketSpacing": true,
+  "printWidth": 80,
+  "singleQuote": true,
+  "tabWidth": 4,
+  "trailingComma": "none",
+  "useTabs": true
+}

lib/node/generate-privkey-ursa.js

@@ -13,10 +13,7 @@ module.exports = function(bitlen, exp) {
 	}
 	var keypair = ursa.generatePrivateKey(bitlen, exp);
 	var result = {
-		privateKeyPem: keypair
+		privateKeyPem: keypair.toPrivatePem().toString('ascii').trim()
-			.toPrivatePem()
-			.toString('ascii')
-			.trim()
 	};
 	return result;
 };

lib/node/keypairs.js

@@ -10,10 +10,7 @@ Keypairs._sign = function(opts, payload) {
 		// node specifies RSA-SHAxxx even when it's actually ecdsa (it's all encoded x509 shasums anyway)
 		// TODO opts.alg = (protect||header).alg
 		var nodeAlg = 'SHA' + Keypairs._getBits(opts);
-		var binsig = crypto
+		var binsig = crypto.createSign(nodeAlg).update(payload).sign(pem);
-			.createSign(nodeAlg)
-			.update(payload)
-			.sign(pem);
 
 		if ('EC' === opts.jwk.kty && !/x509|asn1/i.test(opts.format)) {
 			// ECDSA JWT signatures differ from "normal" ECDSA signatures

lib/node/sha2.js

@@ -9,9 +9,6 @@ sha2.sum = function(alg, str) {
 		var sha = 'sha' + String(alg).replace(/^sha-?/i, '');
 		// utf8 is the default for strings
 		var buf = Buffer.from(str);
-		return crypto
+		return crypto.createHash(sha).update(buf).digest();
-			.createHash(sha)
-			.update(buf)
-			.digest();
 	});
 };

tests/index.js

@@ -89,14 +89,14 @@ Keypairs.parseOrGenerate({ key: null })
 					return true;
 				}
 			),
-			Keypairs.parse({ key: JSON.stringify(pair.private) }).then(function(
+			Keypairs.parse({ key: JSON.stringify(pair.private) }).then(
-				pair
+				function (pair) {
-			) {
 					if (!pair.private || !pair.public) {
 						throw new Error('missing key pairs (stringified jwt)');
 					}
 					return true;
-			}),
+				}
+			),
 			Keypairs.parse({
 				key: JSON.stringify(pair.private),
 				public: true