fix: multiple screens detection [Windows] (#13)

Author: YanDevDe

lib/win32/index.js

@@ -5,12 +5,18 @@ const fs = require('fs')
 const path = require('path')
 const utils = require('../utils')
 
-const { unlinkP, readAndUnlinkP, defaultAll } = utils
+const {
+  unlinkP,
+  readAndUnlinkP,
+  defaultAll
+} = utils
 
-function windowsSnapshot (options = {}) {
+function windowsSnapshot(options = {}) {
   return new Promise((resolve, reject) => {
     const displayName = options.screen
-    const tmpPath = temp.path({ suffix: '.jpg' })
+    const tmpPath = temp.path({
+      suffix: '.jpg'
+    })
     const imgPath = path.resolve(options.filename || tmpPath)
 
     const displayChoice = displayName ? ` /d "${displayName}"` : ''
@@ -38,21 +44,33 @@ const EXAMPLE_DISPLAYS_OUTPUT = '\r\nC:\Users\devetry\screenshot-desktop\lib\win
 function parseDisplaysOutput(output) {
   const
     displaysStartPattern = /2>nul  \|\| /,
-    { 0: match, index } = displaysStartPattern.exec(output)
+    {
+      0: match,
+      index
+    } = displaysStartPattern.exec(output)
   return output.slice(index + match.length)
     .split('\n')
     .map(s => s.replace(/[\n\r]/g, ''))
-    .map(s => s.match(/(.*?);(\d+);(\d+);(\d+);(\d+)/))
+    .map(s => s.match(/(.*?);(.?\d+);(.?\d+);(.?\d+);(.?\d+)/))
     .filter(s => s)
-    .map(m => ({ id: m[1], name: m[1], top: +m[2], right: +m[3], bottom: +m[4], left: +m[5] }))
-    .map(d => Object.assign(d, { height: d.bottom - d.top, width: d.right - d.left }))
+    .map(m => ({
+      id: m[1],
+      name: m[1],
+      top: +m[2],
+      right: +m[3],
+      bottom: +m[4],
+      left: +m[5]
+    }))
+    .map(d => Object.assign(d, {
+      height: d.bottom - d.top,
+      width: d.right - d.left
+    }))
 }
 
 function listDisplays() {
   return new Promise((resolve, reject) => {
     exec(
-      '"' + path.join(__dirname, 'screenCapture_1.3.1.bat') + '" /list',
-      {
+      '"' + path.join(__dirname, 'screenCapture_1.3.1.bat') + '" /list', {
         cwd: __dirname
       },
       (err, stdout) => {
@@ -70,4 +88,4 @@ windowsSnapshot.parseDisplaysOutput = parseDisplaysOutput
 windowsSnapshot.EXAMPLE_DISPLAYS_OUTPUT = EXAMPLE_DISPLAYS_OUTPUT
 windowsSnapshot.all = () => defaultAll(windowsSnapshot)
 
-module.exports = windowsSnapshot
+module.exports = windowsSnapshot