doc: fix inconsistencies in code style

Adds missing semicolons, removes extra white space, and properly indents
various code snippets in the documentation.

Reviewed-By: Evan Lucas <evanlucas@me.com>
Reviewed-By: targos - Michaël Zasso <mic.besace@gmail.com>
PR-URL: #7745

doc/api/assert.md

@@ -71,7 +71,7 @@ const obj3 = {
   a : {
     b : 1
   }
-}
+};
 const obj4 = Object.create(obj1);
 
 assert.deepEqual(obj1, obj1);
@@ -230,7 +230,7 @@ const assert = require('assert');
 
 assert.ifError(0); // OK
 assert.ifError(1); // Throws 1
-assert.ifError('error') // Throws 'error'
+assert.ifError('error'); // Throws 'error'
 assert.ifError(new Error()); // Throws Error
 ```
 

doc/api/buffer.md

@@ -247,7 +247,7 @@ Buffers can be iterated over using the ECMAScript 2015 (ES6) `for..of` syntax:
 const buf = Buffer.from([1, 2, 3]);
 
 for (var b of buf)
-  console.log(b)
+  console.log(b);
 
 // Prints:
 //   1

doc/api/crypto.md

@@ -236,7 +236,7 @@ var decrypted = '';
 decipher.on('readable', () => {
   var data = decipher.read();
   if (data)
-  decrypted += data.toString('utf8');
+    decrypted += data.toString('utf8');
 });
 decipher.on('end', () => {
   console.log(decrypted);

doc/api/fs.md

@@ -1022,12 +1022,12 @@ will be returned._
 // OS X and Linux
 fs.open('<directory>', 'a+', (err, fd) => {
   // => [Error: EISDIR: illegal operation on a directory, open <directory>]
-})
+});
 
 // Windows and FreeBSD
 fs.open('<directory>', 'a+', (err, fd) => {
   // => null, <fd>
-})
+});
 ```
 
 ## fs.openSync(path, flags[, mode])

doc/api/http.md

@@ -90,7 +90,7 @@ http.get({
   agent: false  // create a new agent just for this one request
 }, (res) => {
   // Do stuff with response
-})
+});
 ```
 
 ### new Agent([options])
@@ -1451,8 +1451,8 @@ var req = http.request(options, (res) => {
     console.log(`BODY: ${chunk}`);
   });
   res.on('end', () => {
-    console.log('No more data in response.')
-  })
+    console.log('No more data in response.');
+  });
 });
 
 req.on('error', (e) => {

doc/api/https.md

@@ -231,7 +231,7 @@ options.agent = new https.Agent(options);
 
 var req = https.request(options, (res) => {
   ...
-}
+});
 ```
 
 Alternatively, opt out of connection pooling by not using an `Agent`.
@@ -251,7 +251,7 @@ var options = {
 
 var req = https.request(options, (res) => {
   ...
-}
+});
 ```
 
 [`Agent`]: #https_class_https_agent

doc/api/path.md

@@ -234,7 +234,7 @@ path.format({
     base : "file.txt",
     ext : ".txt",
     name : "file"
-})
+});
 // returns 'C:\\path\\dir\\file.txt'
 ```
 

doc/api/readline.md

@@ -398,10 +398,10 @@ For instance: `[[substr1, substr2, ...], originalsubstring]`.
 
 ```js
 function completer(line) {
-  var completions = '.help .error .exit .quit .q'.split(' ')
-  var hits = completions.filter((c) => { return c.indexOf(line) == 0 })
+  var completions = '.help .error .exit .quit .q'.split(' ');
+  var hits = completions.filter((c) => { return c.indexOf(line) == 0 });
   // show all completions if none found
-  return [hits.length ? hits : completions, line]
+  return [hits.length ? hits : completions, line];
 }
 ```
 

doc/api/repl.md

@@ -492,7 +492,7 @@ net.createServer((socket) => {
     output: socket
   }).on('exit', () => {
     socket.end();
-  })
+  });
 }).listen('/tmp/node-repl-sock');
 
 net.createServer((socket) => {

doc/api/stream.md

@@ -1227,9 +1227,9 @@ const Writable = require('stream').Writable;
 const myWritable = new Writable({
   write(chunk, encoding, callback) {
     if (chunk.toString().indexOf('a') >= 0) {
-      callback(new Error('chunk is invalid'))
+      callback(new Error('chunk is invalid'));
     } else {
-       callback()
+      callback();
     }
   }
 });
@@ -1252,9 +1252,9 @@ class MyWritable extends Writable {
 
   _write(chunk, encoding, callback) {
     if (chunk.toString().indexOf('a') >= 0) {
-      callback(new Error('chunk is invalid'))
+      callback(new Error('chunk is invalid'));
     } else {
-       callback()
+      callback();
     }
   }
 }

doc/api/util.md

@@ -145,14 +145,14 @@ const util = require('util');
 const EventEmitter = require('events');
 
 function MyStream() {
-    EventEmitter.call(this);
+  EventEmitter.call(this);
 }
 
 util.inherits(MyStream, EventEmitter);
 
 MyStream.prototype.write = function(data) {
-    this.emit('data', data);
-}
+  this.emit('data', data);
+};
 
 const stream = new MyStream();
 
@@ -161,7 +161,7 @@ console.log(MyStream.super_ === EventEmitter); // true
 
 stream.on('data', (data) => {
   console.log(`Received data: "${data}"`);
-})
+});
 stream.write('It works!'); // Received data: "It works!"
 ```