run prettier on preinstall, fix errant return

Author: rgbkrk

scripts/preinstall.js

@@ -1,78 +1,90 @@
-var download = require('./download').download;
-var spawn = require('child_process').spawn;
-var path = require('path');
-var fs = require('fs');
+var download = require("./download").download;
+var spawn = require("child_process").spawn;
+var path = require("path");
+var fs = require("fs");
 
 var ZMQ;
 var ZMQ_REPO;
-if (process.platform == 'linux') {
-  ZMQ = '4.1.6';
-  ZMQ_REPO = 'zeromq4-1';
+if (process.platform == "linux") {
+  ZMQ = "4.1.6";
+  ZMQ_REPO = "zeromq4-1";
 } else {
-  ZMQ = '4.2.0';
-  ZMQ_REPO = 'libzmq';
+  ZMQ = "4.2.0";
+  ZMQ_REPO = "libzmq";
 }
 
 function buildZMQ(scriptPath, zmqDir) {
-  console.log('Building libzmq for ' + process.platform);
+  console.log("Building libzmq for " + process.platform);
 
   var child = spawn(scriptPath, [ZMQ]);
 
   child.stdout.pipe(process.stdout);
   child.stderr.pipe(process.stderr);
-  child.on('error', function(err) {
-    console.error('Failed to start child process.');
+  child.on("error", function(err) {
+    console.error("Failed to start child process.");
   });
-  child.on('close', function(code) {
+  child.on("close", function(code) {
     if (code !== 0) {
-      return console.error('child process exited with code ' + code);
+      return console.error("child process exited with code " + code);
     }
-    var message = 'Succesfully build libzmq on ' + Date();
-    fs.writeFile(path.join(zmqDir, 'BUILD_SUCCESS'), message, function(err) {
+    var message = "Succesfully build libzmq on " + Date();
+    fs.writeFile(path.join(zmqDir, "BUILD_SUCCESS"), message, function(err) {
       if (err) {
         return console.error(err.message);
       }
       console.log(message);
     });
-});
+  });
 }
 
-if (process.platform === 'win32') {
-  var LIB_URL = 'https://github.com/nteract/libzmq-win/releases/download/v2.0.0/libzmq-' + ZMQ + '-' + process.arch + '.lib';
-  var DIR_NAME = path.join(__dirname, '..', 'windows', 'lib');
-  var FILE_NAME = path.join(DIR_NAME, 'libzmq.lib');
+if (process.platform === "win32") {
+  var LIB_URL =
+    "https://github.com/nteract/libzmq-win/releases/download/v2.0.0/libzmq-" +
+    ZMQ +
+    "-" +
+    process.arch +
+    ".lib";
+  var DIR_NAME = path.join(__dirname, "..", "windows", "lib");
+  var FILE_NAME = path.join(DIR_NAME, "libzmq.lib");
 
   if (!fs.existsSync(DIR_NAME)) {
     fs.mkdirSync(DIR_NAME);
   }
 
   if (!fs.existsSync(FILE_NAME)) {
-    console.log('Downloading libzmq for Windows');
+    console.log("Downloading libzmq for Windows");
     download(LIB_URL, FILE_NAME, function() {
-      console.log('Download finished');
+      console.log("Download finished");
     });
   }
-
 } else {
-  var SCRIPT_PATH = path.join(__dirname, 'build_libzmq.sh');
-  var TAR_URL = 'https://github.com/zeromq/' + ZMQ_REPO + '/releases/download/v' + ZMQ + '/zeromq-' + ZMQ + '.tar.gz';
-  var DIR_NAME = path.join(__dirname, '..', 'zmq');
-  var FILE_NAME = path.join(DIR_NAME, 'zeromq-' + ZMQ + '.tar.gz');
+  var SCRIPT_PATH = path.join(__dirname, "build_libzmq.sh");
+  var TAR_URL =
+    "https://github.com/zeromq/" +
+    ZMQ_REPO +
+    "/releases/download/v" +
+    ZMQ +
+    "/zeromq-" +
+    ZMQ +
+    ".tar.gz";
+  var DIR_NAME = path.join(__dirname, "..", "zmq");
+  var FILE_NAME = path.join(DIR_NAME, "zeromq-" + ZMQ + ".tar.gz");
 
   if (!fs.existsSync(DIR_NAME)) {
     fs.mkdirSync(DIR_NAME);
   }
 
-  if (fs.existsSync(path.join(DIR_NAME, 'BUILD_SUCCESS'))) {
-    return console.log('Libzmq found, skipping rebuild.');
+  if (fs.existsSync(path.join(DIR_NAME, "BUILD_SUCCESS"))) {
+    console.log("Libzmq found, skipping rebuild.");
+    process.exit(0);
   }
 
   if (fs.existsSync(FILE_NAME)) {
-    return buildZMQ(SCRIPT_PATH, DIR_NAME);
+    buildZMQ(SCRIPT_PATH, DIR_NAME);
+    process.exit(0);
   }
 
   download(TAR_URL, FILE_NAME, function() {
     buildZMQ(SCRIPT_PATH, DIR_NAME);
   });
-
 }