doc: fix indentation issues in sample code

In preparation for stricter ESLint indentation checking, fix a few
issues in sample code.

PR-URL: #13950
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

Author: Trott

doc/api/crypto.md

@@ -586,7 +586,7 @@ const aliceSecret = alice.computeSecret(bobKey);
 const bobSecret = bob.computeSecret(aliceKey);
 
 assert.strictEqual(aliceSecret.toString('hex'), bobSecret.toString('hex'));
-  // OK
+// OK
 ```
 
 ### ecdh.computeSecret(otherPublicKey[, inputEncoding][, outputEncoding])
@@ -746,10 +746,11 @@ const hash = crypto.createHash('sha256');
 
 hash.on('readable', () => {
   const data = hash.read();
-  if (data)
+  if (data) {
     console.log(data.toString('hex'));
     // Prints:
     //   6a2da20943931e9834fc12cfe5bb47bbd9ae43489a30726962b576f4e3993e50
+  }
 });
 
 hash.write('some data to hash');
@@ -836,10 +837,11 @@ const hmac = crypto.createHmac('sha256', 'a secret');
 
 hmac.on('readable', () => {
   const data = hmac.read();
-  if (data)
+  if (data) {
     console.log(data.toString('hex'));
     // Prints:
     //   7fd04df92f636fd450bc841c9418e5825c17f33ad9c87c518115a45971f7f77e
+  }
 });
 
 hmac.write('some data to hash');

doc/api/errors.md

@@ -323,21 +323,22 @@ function makeFaster() {
   });
 }
 
-makeFaster(); // will throw:
-  // /home/gbusey/file.js:6
-  //     throw new Error('oh no!');
-  //           ^
-  // Error: oh no!
-  //     at speedy (/home/gbusey/file.js:6:11)
-  //     at makeFaster (/home/gbusey/file.js:5:3)
-  //     at Object.<anonymous> (/home/gbusey/file.js:10:1)
-  //     at Module._compile (module.js:456:26)
-  //     at Object.Module._extensions..js (module.js:474:10)
-  //     at Module.load (module.js:356:32)
-  //     at Function.Module._load (module.js:312:12)
-  //     at Function.Module.runMain (module.js:497:10)
-  //     at startup (node.js:119:16)
-  //     at node.js:906:3
+makeFaster();
+// will throw:
+//   /home/gbusey/file.js:6
+//       throw new Error('oh no!');
+//           ^
+//   Error: oh no!
+//       at speedy (/home/gbusey/file.js:6:11)
+//       at makeFaster (/home/gbusey/file.js:5:3)
+//       at Object.<anonymous> (/home/gbusey/file.js:10:1)
+//       at Module._compile (module.js:456:26)
+//       at Object.Module._extensions..js (module.js:474:10)
+//       at Module.load (module.js:356:32)
+//       at Function.Module._load (module.js:312:12)
+//       at Function.Module.runMain (module.js:497:10)
+//       at startup (node.js:119:16)
+//       at node.js:906:3
 ```
 
 The location information will be one of:
@@ -368,7 +369,7 @@ For example:
 
 ```js
 require('net').connect(-1);
-  // throws "RangeError: "port" option should be >= 0 and < 65536: -1"
+// throws "RangeError: "port" option should be >= 0 and < 65536: -1"
 ```
 
 Node.js will generate and throw `RangeError` instances *immediately* as a form
@@ -385,7 +386,7 @@ will do so.
 
 ```js
 doesNotExist;
-  // throws ReferenceError, doesNotExist is not a variable in this program.
+// throws ReferenceError, doesNotExist is not a variable in this program.
 ```
 
 Unless an application is dynamically generating and running code,
@@ -419,7 +420,7 @@ string would be considered a TypeError.
 
 ```js
 require('url').parse(() => { });
-  // throws TypeError, since it expected a string
+// throws TypeError, since it expected a string
 ```
 
 Node.js will generate and throw `TypeError` instances *immediately* as a form
@@ -640,7 +641,7 @@ const urlSearchParams = new URLSearchParams('foo=bar&baz=new');
 
 const buf = Buffer.alloc(1);
 urlSearchParams.has.call(buf, 'foo');
-  // Throws a TypeError with code 'ERR_INVALID_THIS'
+// Throws a TypeError with code 'ERR_INVALID_THIS'
 ```
 
 <a id="ERR_INVALID_TUPLE"></a>

doc/api/fs.md

@@ -235,9 +235,10 @@ support. If `filename` is provided, it will be provided as a `Buffer` if
 ```js
 // Example when handled through fs.watch listener
 fs.watch('./tmp', { encoding: 'buffer' }, (eventType, filename) => {
-  if (filename)
+  if (filename) {
     console.log(filename);
     // Prints: <Buffer ...>
+  }
 });
 ```
 

doc/api/net.md

@@ -40,7 +40,7 @@ double-backslashes, such as:
 
 ```js
 net.createServer().listen(
-    path.join('\\\\?\\pipe', process.cwd(), 'myctl'));
+  path.join('\\\\?\\pipe', process.cwd(), 'myctl'));
 ```
 
 ## Class: net.Server

doc/api/querystring.md

@@ -81,7 +81,7 @@ in the following example:
 // Assuming gbkDecodeURIComponent function already exists...
 
 querystring.parse('w=%D6%D0%CE%C4&foo=bar', null, null,
-  { decodeURIComponent: gbkDecodeURIComponent });
+                  { decodeURIComponent: gbkDecodeURIComponent });
 ```
 
 ## querystring.stringify(obj[, sep[, eq[, options]]])
@@ -125,7 +125,7 @@ following example:
 // Assuming gbkEncodeURIComponent function already exists,
 
 querystring.stringify({ w: '中文', foo: 'bar' }, null, null,
-  { encodeURIComponent: gbkEncodeURIComponent });
+                      { encodeURIComponent: gbkEncodeURIComponent });
 ```
 
 ## querystring.unescape(str)