diff --git a/src/templates/multisig/input.js b/src/templates/multisig/input.js
index f8dd3d3..24a9710 100644
--- a/src/templates/multisig/input.js
+++ b/src/templates/multisig/input.js
@@ -4,7 +4,7 @@ Object.defineProperty(exports, "__esModule", { value: true });
 const bscript = require("../../script");
 const script_1 = require("../../script");
 function partialSignature(value) {
-    return value === script_1.OPS.OP_0 || bscript.isCanonicalScriptSignature(value);
+    return (value === script_1.OPS.OP_0 || bscript.isCanonicalScriptSignature(value));
 }
 function check(script, allowIncomplete) {
     const chunks = bscript.decompile(script);
@@ -18,4 +18,6 @@ function check(script, allowIncomplete) {
     return chunks.slice(1).every(bscript.isCanonicalScriptSignature);
 }
 exports.check = check;
-check.toJSON = function () { return 'multisig input'; };
+check.toJSON = function () {
+    return 'multisig input';
+};
diff --git a/src/templates/multisig/output.js b/src/templates/multisig/output.js
index 811ed12..64d07bc 100644
--- a/src/templates/multisig/output.js
+++ b/src/templates/multisig/output.js
@@ -31,4 +31,6 @@ function check(script, allowIncomplete) {
     return keys.every(bscript.isCanonicalPubKey);
 }
 exports.check = check;
-check.toJSON = function () { return 'multi-sig output'; };
+check.toJSON = function () {
+    return 'multi-sig output';
+};
diff --git a/src/templates/pubkey/input.js b/src/templates/pubkey/input.js
index bc5e566..10d3c07 100644
--- a/src/templates/pubkey/input.js
+++ b/src/templates/pubkey/input.js
@@ -4,8 +4,9 @@ Object.defineProperty(exports, "__esModule", { value: true });
 const bscript = require("../../script");
 function check(script) {
     const chunks = bscript.decompile(script);
-    return chunks.length === 1 &&
-        bscript.isCanonicalScriptSignature(chunks[0]);
+    return (chunks.length === 1 && bscript.isCanonicalScriptSignature(chunks[0]));
 }
 exports.check = check;
-check.toJSON = function () { return 'pubKey input'; };
+check.toJSON = function () {
+    return 'pubKey input';
+};
diff --git a/src/templates/pubkey/output.js b/src/templates/pubkey/output.js
index 043150e..e2f87c2 100644
--- a/src/templates/pubkey/output.js
+++ b/src/templates/pubkey/output.js
@@ -5,9 +5,11 @@ const bscript = require("../../script");
 const script_1 = require("../../script");
 function check(script) {
     const chunks = bscript.decompile(script);
-    return chunks.length === 2 &&
+    return (chunks.length === 2 &&
         bscript.isCanonicalPubKey(chunks[0]) &&
-        chunks[1] === script_1.OPS.OP_CHECKSIG;
+        chunks[1] === script_1.OPS.OP_CHECKSIG);
 }
 exports.check = check;
-check.toJSON = function () { return 'pubKey output'; };
+check.toJSON = function () {
+    return 'pubKey output';
+};
diff --git a/src/templates/pubkeyhash/input.js b/src/templates/pubkeyhash/input.js
index 29a684e..f03d391 100644
--- a/src/templates/pubkeyhash/input.js
+++ b/src/templates/pubkeyhash/input.js
@@ -4,9 +4,11 @@ Object.defineProperty(exports, "__esModule", { value: true });
 const bscript = require("../../script");
 function check(script) {
     const chunks = bscript.decompile(script);
-    return chunks.length === 2 &&
+    return (chunks.length === 2 &&
         bscript.isCanonicalScriptSignature(chunks[0]) &&
-        bscript.isCanonicalPubKey(chunks[1]);
+        bscript.isCanonicalPubKey(chunks[1]));
 }
 exports.check = check;
-check.toJSON = function () { return 'pubKeyHash input'; };
+check.toJSON = function () {
+    return 'pubKeyHash input';
+};
diff --git a/src/templates/pubkeyhash/output.js b/src/templates/pubkeyhash/output.js
index 9016c6a..222244b 100644
--- a/src/templates/pubkeyhash/output.js
+++ b/src/templates/pubkeyhash/output.js
@@ -5,12 +5,14 @@ const bscript = require("../../script");
 const script_1 = require("../../script");
 function check(script) {
     const buffer = bscript.compile(script);
-    return buffer.length === 25 &&
+    return (buffer.length === 25 &&
         buffer[0] === script_1.OPS.OP_DUP &&
         buffer[1] === script_1.OPS.OP_HASH160 &&
         buffer[2] === 0x14 &&
         buffer[23] === script_1.OPS.OP_EQUALVERIFY &&
-        buffer[24] === script_1.OPS.OP_CHECKSIG;
+        buffer[24] === script_1.OPS.OP_CHECKSIG);
 }
 exports.check = check;
-check.toJSON = function () { return 'pubKeyHash output'; };
+check.toJSON = function () {
+    return 'pubKeyHash output';
+};
diff --git a/src/templates/scripthash/input.js b/src/templates/scripthash/input.js
index c40bc26..5d2b576 100644
--- a/src/templates/scripthash/input.js
+++ b/src/templates/scripthash/input.js
@@ -24,8 +24,7 @@ function check(script, allowIncomplete) {
         return false;
     // is witness?
     if (chunks.length === 1) {
-        return p2wsho.check(redeemScriptChunks) ||
-            p2wpkho.check(redeemScriptChunks);
+        return (p2wsho.check(redeemScriptChunks) || p2wpkho.check(redeemScriptChunks));
     }
     // match types
     if (p2pkh.input.check(scriptSigChunks) &&
@@ -40,4 +39,6 @@ function check(script, allowIncomplete) {
     return false;
 }
 exports.check = check;
-check.toJSON = function () { return 'scriptHash input'; };
+check.toJSON = function () {
+    return 'scriptHash input';
+};
diff --git a/src/templates/scripthash/output.js b/src/templates/scripthash/output.js
index bd38d5a..5fd2f65 100644
--- a/src/templates/scripthash/output.js
+++ b/src/templates/scripthash/output.js
@@ -5,10 +5,12 @@ const bscript = require("../../script");
 const script_1 = require("../../script");
 function check(script) {
     const buffer = bscript.compile(script);
-    return buffer.length === 23 &&
+    return (buffer.length === 23 &&
         buffer[0] === script_1.OPS.OP_HASH160 &&
         buffer[1] === 0x14 &&
-        buffer[22] === script_1.OPS.OP_EQUAL;
+        buffer[22] === script_1.OPS.OP_EQUAL);
 }
 exports.check = check;
-check.toJSON = function () { return 'scriptHash output'; };
+check.toJSON = function () {
+    return 'scriptHash output';
+};
diff --git a/src/templates/witnesscommitment/output.js b/src/templates/witnesscommitment/output.js
index 95a8bc1..38f622a 100644
--- a/src/templates/witnesscommitment/output.js
+++ b/src/templates/witnesscommitment/output.js
@@ -8,13 +8,15 @@ const script_1 = require("../../script");
 const HEADER = Buffer.from('aa21a9ed', 'hex');
 function check(script) {
     const buffer = bscript.compile(script);
-    return buffer.length > 37 &&
+    return (buffer.length > 37 &&
         buffer[0] === script_1.OPS.OP_RETURN &&
         buffer[1] === 0x24 &&
-        buffer.slice(2, 6).equals(HEADER);
+        buffer.slice(2, 6).equals(HEADER));
 }
 exports.check = check;
-check.toJSON = function () { return 'Witness commitment output'; };
+check.toJSON = function () {
+    return 'Witness commitment output';
+};
 function encode(commitment) {
     typeforce(types.Hash256bit, commitment);
     const buffer = Buffer.allocUnsafe(36);
diff --git a/src/templates/witnesspubkeyhash/input.js b/src/templates/witnesspubkeyhash/input.js
index 131a49e..4585623 100644
--- a/src/templates/witnesspubkeyhash/input.js
+++ b/src/templates/witnesspubkeyhash/input.js
@@ -7,9 +7,11 @@ function isCompressedCanonicalPubKey(pubKey) {
 }
 function check(script) {
     const chunks = bscript.decompile(script);
-    return chunks.length === 2 &&
+    return (chunks.length === 2 &&
         bscript.isCanonicalScriptSignature(chunks[0]) &&
-        isCompressedCanonicalPubKey(chunks[1]);
+        isCompressedCanonicalPubKey(chunks[1]));
 }
 exports.check = check;
-check.toJSON = function () { return 'witnessPubKeyHash input'; };
+check.toJSON = function () {
+    return 'witnessPubKeyHash input';
+};
diff --git a/src/templates/witnesspubkeyhash/output.js b/src/templates/witnesspubkeyhash/output.js
index 2fb6e15..9c508a0 100644
--- a/src/templates/witnesspubkeyhash/output.js
+++ b/src/templates/witnesspubkeyhash/output.js
@@ -5,9 +5,9 @@ const bscript = require("../../script");
 const script_1 = require("../../script");
 function check(script) {
     const buffer = bscript.compile(script);
-    return buffer.length === 22 &&
-        buffer[0] === script_1.OPS.OP_0 &&
-        buffer[1] === 0x14;
+    return buffer.length === 22 && buffer[0] === script_1.OPS.OP_0 && buffer[1] === 0x14;
 }
 exports.check = check;
-check.toJSON = function () { return 'Witness pubKeyHash output'; };
+check.toJSON = function () {
+    return 'Witness pubKeyHash output';
+};
diff --git a/src/templates/witnessscripthash/input.js b/src/templates/witnessscripthash/input.js
index 255ea86..ca8c8b6 100644
--- a/src/templates/witnessscripthash/input.js
+++ b/src/templates/witnessscripthash/input.js
@@ -31,4 +31,6 @@ function check(chunks, allowIncomplete) {
     return false;
 }
 exports.check = check;
-check.toJSON = function () { return 'witnessScriptHash input'; };
+check.toJSON = function () {
+    return 'witnessScriptHash input';
+};
diff --git a/src/templates/witnessscripthash/output.js b/src/templates/witnessscripthash/output.js
index 994a75a..f283b86 100644
--- a/src/templates/witnessscripthash/output.js
+++ b/src/templates/witnessscripthash/output.js
@@ -5,9 +5,9 @@ const bscript = require("../../script");
 const script_1 = require("../../script");
 function check(script) {
     const buffer = bscript.compile(script);
-    return buffer.length === 34 &&
-        buffer[0] === script_1.OPS.OP_0 &&
-        buffer[1] === 0x20;
+    return buffer.length === 34 && buffer[0] === script_1.OPS.OP_0 && buffer[1] === 0x20;
 }
 exports.check = check;
-check.toJSON = function () { return 'Witness scriptHash output'; };
+check.toJSON = function () {
+    return 'Witness scriptHash output';
+};
diff --git a/types/templates/multisig/index.d.ts b/types/templates/multisig/index.d.ts
index cff90ee..f6288e2 100644
--- a/types/templates/multisig/index.d.ts
+++ b/types/templates/multisig/index.d.ts
@@ -1,3 +1,3 @@
 import * as input from './input';
 import * as output from './output';
-export { input, output, };
+export { input, output };
diff --git a/types/templates/pubkey/index.d.ts b/types/templates/pubkey/index.d.ts
index cff90ee..f6288e2 100644
--- a/types/templates/pubkey/index.d.ts
+++ b/types/templates/pubkey/index.d.ts
@@ -1,3 +1,3 @@
 import * as input from './input';
 import * as output from './output';
-export { input, output, };
+export { input, output };
diff --git a/types/templates/pubkeyhash/index.d.ts b/types/templates/pubkeyhash/index.d.ts
index cff90ee..f6288e2 100644
--- a/types/templates/pubkeyhash/index.d.ts
+++ b/types/templates/pubkeyhash/index.d.ts
@@ -1,3 +1,3 @@
 import * as input from './input';
 import * as output from './output';
-export { input, output, };
+export { input, output };
diff --git a/types/templates/scripthash/index.d.ts b/types/templates/scripthash/index.d.ts
index cff90ee..f6288e2 100644
--- a/types/templates/scripthash/index.d.ts
+++ b/types/templates/scripthash/index.d.ts
@@ -1,3 +1,3 @@
 import * as input from './input';
 import * as output from './output';
-export { input, output, };
+export { input, output };
diff --git a/types/templates/witnesscommitment/index.d.ts b/types/templates/witnesscommitment/index.d.ts
index a072ea9..c37ee7c 100644
--- a/types/templates/witnesscommitment/index.d.ts
+++ b/types/templates/witnesscommitment/index.d.ts
@@ -1,2 +1,2 @@
 import * as output from './output';
-export { output, };
+export { output };
diff --git a/types/templates/witnesspubkeyhash/index.d.ts b/types/templates/witnesspubkeyhash/index.d.ts
index cff90ee..f6288e2 100644
--- a/types/templates/witnesspubkeyhash/index.d.ts
+++ b/types/templates/witnesspubkeyhash/index.d.ts
@@ -1,3 +1,3 @@
 import * as input from './input';
 import * as output from './output';
-export { input, output, };
+export { input, output };
diff --git a/types/templates/witnessscripthash/index.d.ts b/types/templates/witnessscripthash/index.d.ts
index cff90ee..f6288e2 100644
--- a/types/templates/witnessscripthash/index.d.ts
+++ b/types/templates/witnessscripthash/index.d.ts
@@ -1,3 +1,3 @@
 import * as input from './input';
 import * as output from './output';
-export { input, output, };
+export { input, output };