Initial commitHEADmane

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diff --git a/node_modules/systeminformation/lib/graphics.js b/node_modules/systeminformation/lib/graphics.js
new file mode 100644
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+++ b/node_modules/systeminformation/lib/graphics.js
@@ -0,0 +1,1062 @@
+'use strict';
+// @ts-check
+// ==================================================================================
+// graphics.js
+// ----------------------------------------------------------------------------------
+// Description:   System Information - library
+//                for Node.js
+// Copyright:     (c) 2014 - 2022
+// Author:        Sebastian Hildebrandt
+// ----------------------------------------------------------------------------------
+// License:       MIT
+// ==================================================================================
+// 7. Graphics (controller, display)
+// ----------------------------------------------------------------------------------
+
+const fs = require('fs');
+const exec = require('child_process').exec;
+const execSync = require('child_process').execSync;
+const util = require('./util');
+
+let _platform = process.platform;
+let _nvidiaSmiPath = '';
+
+const _linux = (_platform === 'linux' || _platform === 'android');
+const _darwin = (_platform === 'darwin');
+const _windows = (_platform === 'win32');
+const _freebsd = (_platform === 'freebsd');
+const _openbsd = (_platform === 'openbsd');
+const _netbsd = (_platform === 'netbsd');
+const _sunos = (_platform === 'sunos');
+
+let _resolutionX = 0;
+let _resolutionY = 0;
+let _pixelDepth = 0;
+let _refreshRate = 0;
+
+const videoTypes = {
+  '-2': 'UNINITIALIZED',
+  '-1': 'OTHER',
+  '0': 'HD15',
+  '1': 'SVIDEO',
+  '2': 'Composite video',
+  '3': 'Component video',
+  '4': 'DVI',
+  '5': 'HDMI',
+  '6': 'LVDS',
+  '8': 'D_JPN',
+  '9': 'SDI',
+  '10': 'DP',
+  '11': 'DP embedded',
+  '12': 'UDI',
+  '13': 'UDI embedded',
+  '14': 'SDTVDONGLE',
+  '15': 'MIRACAST',
+  '2147483648': 'INTERNAL'
+};
+
+function getVendorFromModel(model) {
+  const manufacturers = [
+    { pattern: '^LG.+', manufacturer: 'LG' },
+    { pattern: '^BENQ.+', manufacturer: 'BenQ' },
+    { pattern: '^ASUS.+', manufacturer: 'Asus' },
+    { pattern: '^DELL.+', manufacturer: 'Dell' },
+    { pattern: '^SAMSUNG.+', manufacturer: 'Samsung' },
+    { pattern: '^VIEWSON.+', manufacturer: 'ViewSonic' },
+    { pattern: '^SONY.+', manufacturer: 'Sony' },
+    { pattern: '^ACER.+', manufacturer: 'Acer' },
+    { pattern: '^AOC.+', manufacturer: 'AOC Monitors' },
+    { pattern: '^HP.+', manufacturer: 'HP' },
+    { pattern: '^EIZO.?', manufacturer: 'Eizo' },
+    { pattern: '^PHILIPS.?', manufacturer: 'Philips' },
+    { pattern: '^IIYAMA.?', manufacturer: 'Iiyama' },
+    { pattern: '^SHARP.?', manufacturer: 'Sharp' },
+    { pattern: '^NEC.?', manufacturer: 'NEC' },
+    { pattern: '^LENOVO.?', manufacturer: 'Lenovo' },
+    { pattern: 'COMPAQ.?', manufacturer: 'Compaq' },
+    { pattern: 'APPLE.?', manufacturer: 'Apple' },
+    { pattern: 'INTEL.?', manufacturer: 'Intel' },
+    { pattern: 'AMD.?', manufacturer: 'AMD' },
+    { pattern: 'NVIDIA.?', manufacturer: 'NVDIA' },
+  ];
+
+  let result = '';
+  if (model) {
+    model = model.toUpperCase();
+    manufacturers.forEach((manufacturer) => {
+      const re = RegExp(manufacturer.pattern);
+      if (re.test(model)) { result = manufacturer.manufacturer; }
+    });
+  }
+  return result;
+}
+
+function getVendorFromId(id) {
+  const vendors = {
+    '610': 'Apple',
+    '1e6d': 'LG',
+    '10ac': 'DELL',
+    '4dd9': 'Sony',
+    '38a3': 'NEC',
+  };
+  return vendors[id] || '';
+}
+
+function vendorToId(str) {
+  let result = '';
+  str = (str || '').toLowerCase();
+  if (str.indexOf('apple') >= 0) { result = '0x05ac'; }
+  else if (str.indexOf('nvidia') >= 0) { result = '0x10de'; }
+  else if (str.indexOf('intel') >= 0) { result = '0x8086'; }
+  else if (str.indexOf('ati') >= 0 || str.indexOf('amd') >= 0) { result = '0x1002'; }
+
+  return result;
+}
+
+function getMetalVersion(id) {
+  const families = {
+    'spdisplays_mtlgpufamilymac1': 'mac1',
+    'spdisplays_mtlgpufamilymac2': 'mac2',
+    'spdisplays_mtlgpufamilyapple1': 'apple1',
+    'spdisplays_mtlgpufamilyapple2': 'apple2',
+    'spdisplays_mtlgpufamilyapple3': 'apple3',
+    'spdisplays_mtlgpufamilyapple4': 'apple4',
+    'spdisplays_mtlgpufamilyapple5': 'apple5',
+    'spdisplays_mtlgpufamilyapple6': 'apple6',
+    'spdisplays_mtlgpufamilyapple7': 'apple7',
+    'spdisplays_metalfeaturesetfamily11': 'family1_v1',
+    'spdisplays_metalfeaturesetfamily12': 'family1_v2',
+    'spdisplays_metalfeaturesetfamily13': 'family1_v3',
+    'spdisplays_metalfeaturesetfamily14': 'family1_v4',
+    'spdisplays_metalfeaturesetfamily21': 'family2_v1'
+  };
+  return families[id] || '';
+}
+
+function graphics(callback) {
+
+  function parseLinesDarwin(graphicsArr) {
+    const res = {
+      controllers: [],
+      displays: []
+    };
+    try {
+      graphicsArr.forEach(function (item) {
+        // controllers
+        const bus = ((item.sppci_bus || '').indexOf('builtin') > -1 ? 'Built-In' : ((item.sppci_bus || '').indexOf('pcie') > -1 ? 'PCIe' : ''));
+        const vram = (parseInt((item.spdisplays_vram || ''), 10) || 0) * (((item.spdisplays_vram || '').indexOf('GB') > -1) ? 1024 : 1);
+        const vramDyn = (parseInt((item.spdisplays_vram_shared || ''), 10) || 0) * (((item.spdisplays_vram_shared || '').indexOf('GB') > -1) ? 1024 : 1);
+        let metalVersion = getMetalVersion(item.spdisplays_metal || item.spdisplays_metalfamily || '');
+        res.controllers.push({
+          vendor: getVendorFromModel(item.spdisplays_vendor || '') || item.spdisplays_vendor || '',
+          model: item.sppci_model || '',
+          bus,
+          vramDynamic: bus === 'Built-In',
+          vram: vram || vramDyn || null,
+          deviceId: item['spdisplays_device-id'] || '',
+          vendorId: item['spdisplays_vendor-id'] || vendorToId((item['spdisplays_vendor'] || '') + (item.sppci_model || '')),
+          external: (item.sppci_device_type === 'spdisplays_egpu'),
+          cores: item['sppci_cores'] || null,
+          metalVersion
+        });
+
+        // displays
+        if (item.spdisplays_ndrvs && item.spdisplays_ndrvs.length) {
+          item.spdisplays_ndrvs.forEach(function (displayItem) {
+            const connectionType = displayItem['spdisplays_connection_type'] || '';
+            const currentResolutionParts = (displayItem['_spdisplays_resolution'] || '').split('@');
+            const currentResolution = currentResolutionParts[0].split('x');
+            const pixelParts = (displayItem['_spdisplays_pixels'] || '').split('x');
+            const pixelDepthString = displayItem['spdisplays_depth'] || '';
+            const serial = displayItem['_spdisplays_display-serial-number'] || displayItem['_spdisplays_display-serial-number2'] || null;
+            res.displays.push({
+              vendor: getVendorFromId(displayItem['_spdisplays_display-vendor-id'] || '') || getVendorFromModel(displayItem['_name'] || ''),
+              vendorId: displayItem['_spdisplays_display-vendor-id'] || '',
+              model: displayItem['_name'] || '',
+              productionYear: displayItem['_spdisplays_display-year'] || null,
+              serial: serial !== '0' ? serial : null,
+              displayId: displayItem['_spdisplays_displayID'] || null,
+              main: displayItem['spdisplays_main'] ? displayItem['spdisplays_main'] === 'spdisplays_yes' : false,
+              builtin: (displayItem['spdisplays_display_type'] || '').indexOf('built-in') > -1,
+              connection: ((connectionType.indexOf('_internal') > -1) ? 'Internal' : ((connectionType.indexOf('_displayport') > -1) ? 'Display Port' : ((connectionType.indexOf('_hdmi') > -1) ? 'HDMI' : null))),
+              sizeX: null,
+              sizeY: null,
+              pixelDepth: (pixelDepthString === 'CGSThirtyBitColor' ? 30 : (pixelDepthString === 'CGSThirtytwoBitColor' ? 32 : (pixelDepthString === 'CGSTwentyfourBitColor' ? 24 : null))),
+              resolutionX: pixelParts.length > 1 ? parseInt(pixelParts[0], 10) : null,
+              resolutionY: pixelParts.length > 1 ? parseInt(pixelParts[1], 10) : null,
+              currentResX: currentResolution.length > 1 ? parseInt(currentResolution[0], 10) : null,
+              currentResY: currentResolution.length > 1 ? parseInt(currentResolution[1], 10) : null,
+              positionX: 0,
+              positionY: 0,
+              currentRefreshRate: currentResolutionParts.length > 1 ? parseInt(currentResolutionParts[1], 10) : null,
+
+            });
+          });
+        }
+      });
+      return res;
+    } catch (e) {
+      return res;
+    }
+  }
+
+  function parseLinesLinuxControllers(lines) {
+    let controllers = [];
+    let currentController = {
+      vendor: '',
+      model: '',
+      bus: '',
+      busAddress: '',
+      vram: null,
+      vramDynamic: false,
+      pciID: ''
+    };
+    let isGraphicsController = false;
+    // PCI bus IDs
+    let pciIDs = [];
+    try {
+      pciIDs = execSync('export LC_ALL=C; dmidecode -t 9 2>/dev/null; unset LC_ALL | grep "Bus Address: "').toString().split('\n');
+      for (let i = 0; i < pciIDs.length; i++) {
+        pciIDs[i] = pciIDs[i].replace('Bus Address:', '').replace('0000:', '').trim();
+      }
+      pciIDs = pciIDs.filter(function (el) {
+        return el != null && el;
+      });
+    } catch (e) {
+      util.noop();
+    }
+    for (let i = 0; i < lines.length; i++) {
+      if ('' !== lines[i].trim()) {
+        if (' ' !== lines[i][0] && '\t' !== lines[i][0]) {        // first line of new entry
+          let isExternal = (pciIDs.indexOf(lines[i].split(' ')[0]) >= 0);
+          let vgapos = lines[i].toLowerCase().indexOf(' vga ');
+          let _3dcontrollerpos = lines[i].toLowerCase().indexOf('3d controller');
+          if (vgapos !== -1 || _3dcontrollerpos !== -1) {         // VGA
+            if (_3dcontrollerpos !== -1 && vgapos === -1) {
+              vgapos = _3dcontrollerpos;
+            }
+            if (currentController.vendor || currentController.model || currentController.bus || currentController.vram !== null || currentController.vramDynamic) { // already a controller found
+              controllers.push(currentController);
+              currentController = {
+                vendor: '',
+                model: '',
+                bus: '',
+                busAddress: '',
+                vram: null,
+                vramDynamic: false,
+              };
+            }
+
+            const pciIDCandidate = lines[i].split(' ')[0];
+            if (/[\da-fA-F]{2}:[\da-fA-F]{2}\.[\da-fA-F]/.test(pciIDCandidate)) {
+              currentController.busAddress = pciIDCandidate;
+            }
+            isGraphicsController = true;
+            let endpos = lines[i].search(/\[[0-9a-f]{4}:[0-9a-f]{4}]|$/);
+            let parts = lines[i].substr(vgapos, endpos - vgapos).split(':');
+            currentController.busAddress = lines[i].substr(0, vgapos).trim();
+            if (parts.length > 1) {
+              parts[1] = parts[1].trim();
+              if (parts[1].toLowerCase().indexOf('corporation') >= 0) {
+                currentController.vendor = parts[1].substr(0, parts[1].toLowerCase().indexOf('corporation') + 11).trim();
+                currentController.model = parts[1].substr(parts[1].toLowerCase().indexOf('corporation') + 11, 200).trim().split('(')[0];
+                currentController.bus = (pciIDs.length > 0 && isExternal) ? 'PCIe' : 'Onboard';
+                currentController.vram = null;
+                currentController.vramDynamic = false;
+              } else if (parts[1].toLowerCase().indexOf(' inc.') >= 0) {
+                if ((parts[1].match(new RegExp(']', 'g')) || []).length > 1) {
+                  currentController.vendor = parts[1].substr(0, parts[1].toLowerCase().indexOf(']') + 1).trim();
+                  currentController.model = parts[1].substr(parts[1].toLowerCase().indexOf(']') + 1, 200).trim().split('(')[0].trim();
+                } else {
+                  currentController.vendor = parts[1].substr(0, parts[1].toLowerCase().indexOf(' inc.') + 5).trim();
+                  currentController.model = parts[1].substr(parts[1].toLowerCase().indexOf(' inc.') + 5, 200).trim().split('(')[0].trim();
+                }
+                currentController.bus = (pciIDs.length > 0 && isExternal) ? 'PCIe' : 'Onboard';
+                currentController.vram = null;
+                currentController.vramDynamic = false;
+              } else if (parts[1].toLowerCase().indexOf(' ltd.') >= 0) {
+                if ((parts[1].match(new RegExp(']', 'g')) || []).length > 1) {
+                  currentController.vendor = parts[1].substr(0, parts[1].toLowerCase().indexOf(']') + 1).trim();
+                  currentController.model = parts[1].substr(parts[1].toLowerCase().indexOf(']') + 1, 200).trim().split('(')[0].trim();
+                } else {
+                  currentController.vendor = parts[1].substr(0, parts[1].toLowerCase().indexOf(' ltd.') + 5).trim();
+                  currentController.model = parts[1].substr(parts[1].toLowerCase().indexOf(' ltd.') + 5, 200).trim().split('(')[0].trim();
+                }
+              }
+            }
+
+          } else {
+            isGraphicsController = false;
+          }
+        }
+        if (isGraphicsController) { // within VGA details
+          let parts = lines[i].split(':');
+          if (parts.length > 1 && parts[0].replace(/ +/g, '').toLowerCase().indexOf('devicename') !== -1 && parts[1].toLowerCase().indexOf('onboard') !== -1) { currentController.bus = 'Onboard'; }
+          if (parts.length > 1 && parts[0].replace(/ +/g, '').toLowerCase().indexOf('region') !== -1 && parts[1].toLowerCase().indexOf('memory') !== -1) {
+            let memparts = parts[1].split('=');
+            if (memparts.length > 1) {
+              currentController.vram = parseInt(memparts[1]);
+            }
+          }
+        }
+      }
+    }
+    if (currentController.vendor || currentController.model || currentController.bus || currentController.busAddress || currentController.vram !== null || currentController.vramDynamic) { // already a controller found
+      controllers.push(currentController);
+    }
+    return (controllers);
+  }
+
+  function parseLinesLinuxClinfo(controllers, lines) {
+    const fieldPattern = /\[([^\]]+)\]\s+(\w+)\s+(.*)/;
+    const devices = lines.reduce((devices, line) => {
+      const field = fieldPattern.exec(line.trim());
+      if (field) {
+        if (!devices[field[1]]) {
+          devices[field[1]] = {};
+        }
+        devices[field[1]][field[2]] = field[3];
+      }
+      return devices;
+    }, {});
+    for (let deviceId in devices) {
+      const device = devices[deviceId];
+      if (device['CL_DEVICE_TYPE'] === 'CL_DEVICE_TYPE_GPU') {
+        let busAddress;
+        if (device['CL_DEVICE_TOPOLOGY_AMD']) {
+          const bdf = device['CL_DEVICE_TOPOLOGY_AMD'].match(/[a-zA-Z0-9]+:\d+\.\d+/);
+          if (bdf) {
+            busAddress = bdf[0];
+          }
+        } else if (device['CL_DEVICE_PCI_BUS_ID_NV'] && device['CL_DEVICE_PCI_SLOT_ID_NV']) {
+          const bus = parseInt(device['CL_DEVICE_PCI_BUS_ID_NV']);
+          const slot = parseInt(device['CL_DEVICE_PCI_SLOT_ID_NV']);
+          if (!isNaN(bus) && !isNaN(slot)) {
+            const b = bus & 0xff;
+            const d = (slot >> 3) & 0xff;
+            const f = slot & 0x07;
+            busAddress = `${b.toString().padStart(2, '0')}:${d.toString().padStart(2, '0')}.${f}`;
+          }
+        }
+        if (busAddress) {
+          let controller = controllers.find(controller => controller.busAddress === busAddress);
+          if (!controller) {
+            controller = {
+              vendor: '',
+              model: '',
+              bus: '',
+              busAddress,
+              vram: null,
+              vramDynamic: false
+            };
+            controllers.push(controller);
+          }
+          controller.vendor = device['CL_DEVICE_VENDOR'];
+          if (device['CL_DEVICE_BOARD_NAME_AMD']) {
+            controller.model = device['CL_DEVICE_BOARD_NAME_AMD'];
+          } else {
+            controller.model = device['CL_DEVICE_NAME'];
+          }
+          const memory = parseInt(device['CL_DEVICE_GLOBAL_MEM_SIZE']);
+          if (!isNaN(memory)) {
+            controller.vram = Math.round(memory / 1024 / 1024);
+          }
+        }
+      }
+    }
+    return controllers;
+  }
+
+  function getNvidiaSmi() {
+    if (_nvidiaSmiPath) {
+      return _nvidiaSmiPath;
+    }
+
+    if (_windows) {
+      try {
+        const basePath = util.WINDIR + '\\System32\\DriverStore\\FileRepository';
+        // find all directories that have an nvidia-smi.exe file
+        const candidateDirs = fs.readdirSync(basePath).filter(dir => {
+          return fs.readdirSync([basePath, dir].join('/')).includes('nvidia-smi.exe');
+        });
+        // use the directory with the most recently created nvidia-smi.exe file
+        const targetDir = candidateDirs.reduce((prevDir, currentDir) => {
+          const previousNvidiaSmi = fs.statSync([basePath, prevDir, 'nvidia-smi.exe'].join('/'));
+          const currentNvidiaSmi = fs.statSync([basePath, currentDir, 'nvidia-smi.exe'].join('/'));
+          return (previousNvidiaSmi.ctimeMs > currentNvidiaSmi.ctimeMs) ? prevDir : currentDir;
+        });
+
+        if (targetDir) {
+          _nvidiaSmiPath = [basePath, targetDir, 'nvidia-smi.exe'].join('/');
+        }
+      } catch (e) {
+        util.noop();
+      }
+    } else if (_linux) {
+      _nvidiaSmiPath = 'nvidia-smi';
+    }
+    return _nvidiaSmiPath;
+  }
+
+  function nvidiaSmi(options) {
+    const nvidiaSmiExe = getNvidiaSmi();
+    options = options || util.execOptsWin;
+    if (nvidiaSmiExe) {
+      const nvidiaSmiOpts = '--query-gpu=driver_version,pci.sub_device_id,name,pci.bus_id,fan.speed,memory.total,memory.used,memory.free,utilization.gpu,utilization.memory,temperature.gpu,temperature.memory,power.draw,power.limit,clocks.gr,clocks.mem --format=csv,noheader,nounits';
+      const cmd = nvidiaSmiExe + ' ' + nvidiaSmiOpts + (_linux ? '  2>/dev/null' : '');
+      try {
+        const res = execSync(cmd, options).toString();
+        return res;
+      } catch (e) {
+        util.noop();
+      }
+    }
+    return '';
+  }
+
+  function nvidiaDevices() {
+
+    function safeParseNumber(value) {
+      if ([null, undefined].includes(value)) {
+        return value;
+      }
+      return parseFloat(value);
+    }
+
+    const stdout = nvidiaSmi();
+    if (!stdout) {
+      return [];
+    }
+
+    const gpus = stdout.split('\n').filter(Boolean);
+    const results = gpus.map(gpu => {
+      const splittedData = gpu.split(', ').map(value => value.includes('N/A') ? undefined : value);
+      if (splittedData.length === 16) {
+        return {
+          driverVersion: splittedData[0],
+          subDeviceId: splittedData[1],
+          name: splittedData[2],
+          pciBus: splittedData[3],
+          fanSpeed: safeParseNumber(splittedData[4]),
+          memoryTotal: safeParseNumber(splittedData[5]),
+          memoryUsed: safeParseNumber(splittedData[6]),
+          memoryFree: safeParseNumber(splittedData[7]),
+          utilizationGpu: safeParseNumber(splittedData[8]),
+          utilizationMemory: safeParseNumber(splittedData[9]),
+          temperatureGpu: safeParseNumber(splittedData[10]),
+          temperatureMemory: safeParseNumber(splittedData[11]),
+          powerDraw: safeParseNumber(splittedData[12]),
+          powerLimit: safeParseNumber(splittedData[13]),
+          clockCore: safeParseNumber(splittedData[14]),
+          clockMemory: safeParseNumber(splittedData[15]),
+        };
+      }
+    });
+
+    return results;
+  }
+
+  function mergeControllerNvidia(controller, nvidia) {
+    if (nvidia.driverVersion) { controller.driverVersion = nvidia.driverVersion; }
+    if (nvidia.subDeviceId) { controller.subDeviceId = nvidia.subDeviceId; }
+    if (nvidia.name) { controller.name = nvidia.name; }
+    if (nvidia.pciBus) { controller.pciBus = nvidia.pciBus; }
+    if (nvidia.fanSpeed) { controller.fanSpeed = nvidia.fanSpeed; }
+    if (nvidia.memoryTotal) {
+      controller.memoryTotal = nvidia.memoryTotal;
+      controller.vram = nvidia.memoryTotal;
+      controller.vramDynamic = false;
+    }
+    if (nvidia.memoryUsed) { controller.memoryUsed = nvidia.memoryUsed; }
+    if (nvidia.memoryFree) { controller.memoryFree = nvidia.memoryFree; }
+    if (nvidia.utilizationGpu) { controller.utilizationGpu = nvidia.utilizationGpu; }
+    if (nvidia.utilizationMemory) { controller.utilizationMemory = nvidia.utilizationMemory; }
+    if (nvidia.temperatureGpu) { controller.temperatureGpu = nvidia.temperatureGpu; }
+    if (nvidia.temperatureMemory) { controller.temperatureMemory = nvidia.temperatureMemory; }
+    if (nvidia.powerDraw) { controller.powerDraw = nvidia.powerDraw; }
+    if (nvidia.powerLimit) { controller.powerLimit = nvidia.powerLimit; }
+    if (nvidia.clockCore) { controller.clockCore = nvidia.clockCore; }
+    if (nvidia.clockMemory) { controller.clockMemory = nvidia.clockMemory; }
+    return controller;
+  }
+
+  function parseLinesLinuxEdid(edid) {
+    // parsen EDID
+    // --> model
+    // --> resolutionx
+    // --> resolutiony
+    // --> builtin = false
+    // --> pixeldepth (?)
+    // --> sizex
+    // --> sizey
+    let result = {
+      vendor: '',
+      model: '',
+      deviceName: '',
+      main: false,
+      builtin: false,
+      connection: '',
+      sizeX: null,
+      sizeY: null,
+      pixelDepth: null,
+      resolutionX: null,
+      resolutionY: null,
+      currentResX: null,
+      currentResY: null,
+      positionX: 0,
+      positionY: 0,
+      currentRefreshRate: null
+    };
+    // find first "Detailed Timing Description"
+    let start = 108;
+    if (edid.substr(start, 6) === '000000') {
+      start += 36;
+    }
+    if (edid.substr(start, 6) === '000000') {
+      start += 36;
+    }
+    if (edid.substr(start, 6) === '000000') {
+      start += 36;
+    }
+    if (edid.substr(start, 6) === '000000') {
+      start += 36;
+    }
+    result.resolutionX = parseInt('0x0' + edid.substr(start + 8, 1) + edid.substr(start + 4, 2));
+    result.resolutionY = parseInt('0x0' + edid.substr(start + 14, 1) + edid.substr(start + 10, 2));
+    result.sizeX = parseInt('0x0' + edid.substr(start + 28, 1) + edid.substr(start + 24, 2));
+    result.sizeY = parseInt('0x0' + edid.substr(start + 29, 1) + edid.substr(start + 26, 2));
+    // monitor name
+    start = edid.indexOf('000000fc00'); // find first "Monitor Description Data"
+    if (start >= 0) {
+      let model_raw = edid.substr(start + 10, 26);
+      if (model_raw.indexOf('0a') !== -1) {
+        model_raw = model_raw.substr(0, model_raw.indexOf('0a'));
+      }
+      try {
+        if (model_raw.length > 2) {
+          result.model = model_raw.match(/.{1,2}/g).map(function (v) {
+            return String.fromCharCode(parseInt(v, 16));
+          }).join('');
+        }
+      } catch (e) {
+        util.noop();
+      }
+    } else {
+      result.model = '';
+    }
+    return result;
+  }
+
+  function parseLinesLinuxDisplays(lines, depth) {
+    let displays = [];
+    let currentDisplay = {
+      vendor: '',
+      model: '',
+      deviceName: '',
+      main: false,
+      builtin: false,
+      connection: '',
+      sizeX: null,
+      sizeY: null,
+      pixelDepth: null,
+      resolutionX: null,
+      resolutionY: null,
+      currentResX: null,
+      currentResY: null,
+      positionX: 0,
+      positionY: 0,
+      currentRefreshRate: null
+    };
+    let is_edid = false;
+    let is_current = false;
+    let edid_raw = '';
+    let start = 0;
+    for (let i = 1; i < lines.length; i++) {        // start with second line
+      if ('' !== lines[i].trim()) {
+        if (' ' !== lines[i][0] && '\t' !== lines[i][0] && lines[i].toLowerCase().indexOf(' connected ') !== -1) {        // first line of new entry
+          if (currentDisplay.model || currentDisplay.main || currentDisplay.builtin || currentDisplay.connection || currentDisplay.sizeX !== null || currentDisplay.pixelDepth !== null || currentDisplay.resolutionX !== null) {         // push last display to array
+            displays.push(currentDisplay);
+            currentDisplay = {
+              vendor: '',
+              model: '',
+              main: false,
+              builtin: false,
+              connection: '',
+              sizeX: null,
+              sizeY: null,
+              pixelDepth: null,
+              resolutionX: null,
+              resolutionY: null,
+              currentResX: null,
+              currentResY: null,
+              positionX: 0,
+              positionY: 0,
+              currentRefreshRate: null
+            };
+          }
+          let parts = lines[i].split(' ');
+          currentDisplay.connection = parts[0];
+          currentDisplay.main = lines[i].toLowerCase().indexOf(' primary ') >= 0;
+          currentDisplay.builtin = (parts[0].toLowerCase().indexOf('edp') >= 0);
+        }
+
+        // try to read EDID information
+        if (is_edid) {
+          if (lines[i].search(/\S|$/) > start) {
+            edid_raw += lines[i].toLowerCase().trim();
+          } else {
+            // parsen EDID
+            let edid_decoded = parseLinesLinuxEdid(edid_raw);
+            currentDisplay.vendor = edid_decoded.vendor;
+            currentDisplay.model = edid_decoded.model;
+            currentDisplay.resolutionX = edid_decoded.resolutionX;
+            currentDisplay.resolutionY = edid_decoded.resolutionY;
+            currentDisplay.sizeX = edid_decoded.sizeX;
+            currentDisplay.sizeY = edid_decoded.sizeY;
+            currentDisplay.pixelDepth = depth;
+            is_edid = false;
+          }
+        }
+        if (lines[i].toLowerCase().indexOf('edid:') >= 0) {
+          is_edid = true;
+          start = lines[i].search(/\S|$/);
+        }
+        if (lines[i].toLowerCase().indexOf('*current') >= 0) {
+          const parts1 = lines[i].split('(');
+          if (parts1 && parts1.length > 1 && parts1[0].indexOf('x') >= 0) {
+            const resParts = parts1[0].trim().split('x');
+            currentDisplay.currentResX = util.toInt(resParts[0]);
+            currentDisplay.currentResY = util.toInt(resParts[1]);
+          }
+          is_current = true;
+        }
+        if (is_current && lines[i].toLowerCase().indexOf('clock') >= 0 && lines[i].toLowerCase().indexOf('hz') >= 0 && lines[i].toLowerCase().indexOf('v: height') >= 0) {
+          const parts1 = lines[i].split('clock');
+          if (parts1 && parts1.length > 1 && parts1[1].toLowerCase().indexOf('hz') >= 0) {
+            currentDisplay.currentRefreshRate = util.toInt(parts1[1]);
+          }
+          is_current = false;
+        }
+      }
+    }
+
+    // pushen displays
+    if (currentDisplay.model || currentDisplay.main || currentDisplay.builtin || currentDisplay.connection || currentDisplay.sizeX !== null || currentDisplay.pixelDepth !== null || currentDisplay.resolutionX !== null) {  // still information there
+      displays.push(currentDisplay);
+    }
+    return displays;
+  }
+
+  // function starts here
+  return new Promise((resolve) => {
+    process.nextTick(() => {
+      let result = {
+        controllers: [],
+        displays: []
+      };
+      if (_darwin) {
+        let cmd = 'system_profiler -xml -detailLevel full SPDisplaysDataType';
+        exec(cmd, function (error, stdout) {
+          if (!error) {
+            try {
+              let output = stdout.toString();
+              result = parseLinesDarwin(util.plistParser(output)[0]._items);
+            } catch (e) {
+              util.noop();
+            }
+          }
+          if (callback) {
+            callback(result);
+          }
+          resolve(result);
+        });
+      }
+      if (_linux) {
+        // Raspberry: https://elinux.org/RPI_vcgencmd_usage
+        if (util.isRaspberry() && util.isRaspbian()) {
+          let cmd = 'fbset -s | grep \'mode "\'; vcgencmd get_mem gpu; tvservice -s; tvservice -n;';
+          exec(cmd, function (error, stdout) {
+            let lines = stdout.toString().split('\n');
+            if (lines.length > 3 && lines[0].indexOf('mode "') >= -1 && lines[2].indexOf('0x12000a') > -1) {
+              const parts = lines[0].replace('mode', '').replace(/"/g, '').trim().split('x');
+              if (parts.length === 2) {
+                result.displays.push({
+                  vendor: '',
+                  model: util.getValue(lines, 'device_name', '='),
+                  main: true,
+                  builtin: false,
+                  connection: 'HDMI',
+                  sizeX: null,
+                  sizeY: null,
+                  pixelDepth: null,
+                  resolutionX: parseInt(parts[0], 10),
+                  resolutionY: parseInt(parts[1], 10),
+                  currentResX: null,
+                  currentResY: null,
+                  positionX: 0,
+                  positionY: 0,
+                  currentRefreshRate: null
+                });
+              }
+            }
+            if (lines.length > 1 && stdout.toString().indexOf('gpu=') >= -1) {
+              result.controllers.push({
+                vendor: 'Broadcom',
+                model: 'VideoCore IV',
+                bus: '',
+                vram: util.getValue(lines, 'gpu', '=').replace('M', ''),
+                vramDynamic: true
+              });
+            }
+            if (callback) {
+              callback(result);
+            }
+            resolve(result);
+          });
+        } else {
+          let cmd = 'lspci -vvv  2>/dev/null';
+          exec(cmd, function (error, stdout) {
+            if (!error) {
+              let lines = stdout.toString().split('\n');
+              result.controllers = parseLinesLinuxControllers(lines);
+              const nvidiaData = nvidiaDevices();
+              // needs to be rewritten ... using no spread operators
+              result.controllers = result.controllers.map((controller) => { // match by busAddress
+                return mergeControllerNvidia(controller, nvidiaData.find((contr) => contr.pciBus.toLowerCase().endsWith(controller.busAddress.toLowerCase())) || {});
+              });
+            }
+            let cmd = 'clinfo --raw';
+            exec(cmd, function (error, stdout) {
+              if (!error) {
+                let lines = stdout.toString().split('\n');
+                result.controllers = parseLinesLinuxClinfo(result.controllers, lines);
+              }
+              let cmd = 'xdpyinfo 2>/dev/null | grep \'depth of root window\' | awk \'{ print $5 }\'';
+              exec(cmd, function (error, stdout) {
+                let depth = 0;
+                if (!error) {
+                  let lines = stdout.toString().split('\n');
+                  depth = parseInt(lines[0]) || 0;
+                }
+                let cmd = 'xrandr --verbose 2>/dev/null';
+                exec(cmd, function (error, stdout) {
+                  if (!error) {
+                    let lines = stdout.toString().split('\n');
+                    result.displays = parseLinesLinuxDisplays(lines, depth);
+                  }
+                  if (callback) {
+                    callback(result);
+                  }
+                  resolve(result);
+                });
+              });
+            });
+          });
+        }
+      }
+      if (_freebsd || _openbsd || _netbsd) {
+        if (callback) { callback(null); }
+        resolve(null);
+      }
+      if (_sunos) {
+        if (callback) { callback(null); }
+        resolve(null);
+      }
+      if (_windows) {
+
+        // https://blogs.technet.microsoft.com/heyscriptingguy/2013/10/03/use-powershell-to-discover-multi-monitor-information/
+        // https://devblogs.microsoft.com/scripting/use-powershell-to-discover-multi-monitor-information/
+        try {
+          const workload = [];
+          workload.push(util.powerShell('Get-WmiObject win32_VideoController | fl *'));
+          workload.push(util.powerShell('gp "HKLM:\\SYSTEM\\ControlSet001\\Control\\Class\\{4d36e968-e325-11ce-bfc1-08002be10318}\\*" -ErrorAction SilentlyContinue | where MatchingDeviceId $null -NE | select MatchingDeviceId,HardwareInformation.qwMemorySize | fl'));
+          workload.push(util.powerShell('Get-WmiObject win32_desktopmonitor | fl *'));
+          workload.push(util.powerShell('Get-CimInstance -Namespace root\\wmi -ClassName WmiMonitorBasicDisplayParams | fl'));
+          workload.push(util.powerShell('Add-Type -AssemblyName System.Windows.Forms; [System.Windows.Forms.Screen]::AllScreens'));
+          workload.push(util.powerShell('Get-CimInstance -Namespace root\\wmi -ClassName WmiMonitorConnectionParams | fl'));
+          workload.push(util.powerShell('gwmi WmiMonitorID -Namespace root\\wmi | ForEach-Object {(($_.ManufacturerName -notmatch 0 | foreach {[char]$_}) -join "") + "|" + (($_.ProductCodeID -notmatch 0 | foreach {[char]$_}) -join "") + "|" + (($_.UserFriendlyName -notmatch 0 | foreach {[char]$_}) -join "") + "|" + (($_.SerialNumberID -notmatch 0 | foreach {[char]$_}) -join "") + "|" + $_.InstanceName}'));
+
+          const nvidiaData = nvidiaDevices();
+
+          Promise.all(
+            workload
+          ).then(data => {
+            // controller + vram
+            let csections = data[0].replace(/\r/g, '').split(/\n\s*\n/);
+            let vsections = data[1].replace(/\r/g, '').split(/\n\s*\n/);
+            result.controllers = parseLinesWindowsControllers(csections, vsections);
+            result.controllers = result.controllers.map((controller) => { // match by subDeviceId
+              if (controller.vendor.toLowerCase() === 'nvidia') {
+                return mergeControllerNvidia(controller, nvidiaData.find(device => {
+                  let windowsSubDeviceId = (controller.subDeviceId || '').toLowerCase();
+                  const nvidiaSubDeviceIdParts = device.subDeviceId.split('x');
+                  let nvidiaSubDeviceId = nvidiaSubDeviceIdParts.length > 1 ? nvidiaSubDeviceIdParts[1].toLowerCase() : nvidiaSubDeviceIdParts[0].toLowerCase();
+                  const lengthDifference = Math.abs(windowsSubDeviceId.length - nvidiaSubDeviceId.length);
+                  if (windowsSubDeviceId.length > nvidiaSubDeviceId.length) {
+                    for (let i = 0; i < lengthDifference; i++) {
+                      nvidiaSubDeviceId = '0' + nvidiaSubDeviceId;
+                    }
+                  } else if (windowsSubDeviceId.length < nvidiaSubDeviceId.length) {
+                    for (let i = 0; i < lengthDifference; i++) {
+                      windowsSubDeviceId = '0' + windowsSubDeviceId;
+                    }
+                  }
+                  return windowsSubDeviceId === nvidiaSubDeviceId;
+                }) || {});
+              } else {
+                return controller;
+              }
+            });
+
+            // displays
+            let dsections = data[2].replace(/\r/g, '').split(/\n\s*\n/);
+            // result.displays = parseLinesWindowsDisplays(dsections);
+            if (dsections[0].trim() === '') { dsections.shift(); }
+            if (dsections.length && dsections[dsections.length - 1].trim() === '') { dsections.pop(); }
+
+            // monitor (powershell)
+            let msections = data[3].replace(/\r/g, '').split('Active ');
+            msections.shift();
+
+            // forms.screens (powershell)
+            let ssections = data[4].replace(/\r/g, '').split('BitsPerPixel ');
+            ssections.shift();
+
+            // connection params (powershell) - video type
+            let tsections = data[5].replace(/\r/g, '').split(/\n\s*\n/);
+            tsections.shift();
+
+            // monitor ID (powershell) - model / vendor
+            const res = data[6].replace(/\r/g, '').split(/\n/);
+            let isections = [];
+            res.forEach(element => {
+              const parts = element.split('|');
+              if (parts.length === 5) {
+                isections.push({
+                  vendor: parts[0],
+                  code: parts[1],
+                  model: parts[2],
+                  serial: parts[3],
+                  instanceId: parts[4]
+                });
+              }
+            });
+
+            result.displays = parseLinesWindowsDisplaysPowershell(ssections, msections, dsections, tsections, isections);
+
+            if (result.displays.length === 1) {
+              if (_resolutionX) {
+                result.displays[0].resolutionX = _resolutionX;
+                if (!result.displays[0].currentResX) {
+                  result.displays[0].currentResX = _resolutionX;
+                }
+              }
+              if (_resolutionY) {
+                result.displays[0].resolutionY = _resolutionY;
+                if (result.displays[0].currentResY === 0) {
+                  result.displays[0].currentResY = _resolutionY;
+                }
+              }
+              if (_pixelDepth) {
+                result.displays[0].pixelDepth = _pixelDepth;
+              }
+              if (_refreshRate && !result.displays[0].currentRefreshRate) {
+                result.displays[0].currentRefreshRate = _refreshRate;
+              }
+            }
+
+            if (callback) {
+              callback(result);
+            }
+            resolve(result);
+          })
+            .catch(() => {
+              if (callback) {
+                callback(result);
+              }
+              resolve(result);
+            });
+        } catch (e) {
+          if (callback) { callback(result); }
+          resolve(result);
+        }
+      }
+    });
+  });
+
+  function parseLinesWindowsControllers(sections, vections) {
+    const memorySizes = {};
+    for (const i in vections) {
+      if ({}.hasOwnProperty.call(vections, i)) {
+        if (vections[i].trim() !== '') {
+          const lines = vections[i].trim().split('\n');
+          const matchingDeviceId = util.getValue(lines, 'MatchingDeviceId').match(/PCI\\(VEN_[0-9A-F]{4})&(DEV_[0-9A-F]{4})(?:&(SUBSYS_[0-9A-F]{8}))?(?:&(REV_[0-9A-F]{2}))?/i);
+          if (matchingDeviceId) {
+            const quadWordmemorySize = parseInt(util.getValue(lines, 'HardwareInformation.qwMemorySize'));
+            if (!isNaN(quadWordmemorySize)) {
+              let deviceId = matchingDeviceId[1].toUpperCase() + '&' + matchingDeviceId[2].toUpperCase();
+              if (matchingDeviceId[3]) {
+                deviceId += '&' + matchingDeviceId[3].toUpperCase();
+              }
+              if (matchingDeviceId[4]) {
+                deviceId += '&' + matchingDeviceId[4].toUpperCase();
+              }
+              memorySizes[deviceId] = quadWordmemorySize;
+            }
+          }
+        }
+      }
+    }
+
+    let controllers = [];
+    for (let i in sections) {
+      if ({}.hasOwnProperty.call(sections, i)) {
+        if (sections[i].trim() !== '') {
+          let lines = sections[i].trim().split('\n');
+          let pnpDeviceId = util.getValue(lines, 'PNPDeviceID', ':').match(/PCI\\(VEN_[0-9A-F]{4})&(DEV_[0-9A-F]{4})(?:&(SUBSYS_[0-9A-F]{8}))?(?:&(REV_[0-9A-F]{2}))?/i);
+          let subDeviceId = null;
+          let memorySize = null;
+          if (pnpDeviceId) {
+            subDeviceId = pnpDeviceId[3] || '';
+            if (subDeviceId) {
+              subDeviceId = subDeviceId.split('_')[1];
+            }
+
+            // Match PCI device identifier (there's an order of increasing generality):
+            // https://docs.microsoft.com/en-us/windows-hardware/drivers/install/identifiers-for-pci-devices
+
+            // PCI\VEN_v(4)&DEV_d(4)&SUBSYS_s(4)n(4)&REV_r(2)
+            if (memorySize == null && pnpDeviceId[3] && pnpDeviceId[4]) {
+              const deviceId = pnpDeviceId[1].toUpperCase() + '&' + pnpDeviceId[2].toUpperCase() + '&' + pnpDeviceId[3].toUpperCase() + '&' + pnpDeviceId[4].toUpperCase();
+              if ({}.hasOwnProperty.call(memorySizes, deviceId)) {
+                memorySize = memorySizes[deviceId];
+              }
+            }
+
+            // PCI\VEN_v(4)&DEV_d(4)&SUBSYS_s(4)n(4)
+            if (memorySize == null && pnpDeviceId[3]) {
+              const deviceId = pnpDeviceId[1].toUpperCase() + '&' + pnpDeviceId[2].toUpperCase() + '&' + pnpDeviceId[3].toUpperCase();
+              if ({}.hasOwnProperty.call(memorySizes, deviceId)) {
+                memorySize = memorySizes[deviceId];
+              }
+            }
+
+            // PCI\VEN_v(4)&DEV_d(4)&REV_r(2)
+            if (memorySize == null && pnpDeviceId[4]) {
+              const deviceId = pnpDeviceId[1].toUpperCase() + '&' + pnpDeviceId[2].toUpperCase() + '&' + pnpDeviceId[4].toUpperCase();
+              if ({}.hasOwnProperty.call(memorySizes, deviceId)) {
+                memorySize = memorySizes[deviceId];
+              }
+            }
+
+            // PCI\VEN_v(4)&DEV_d(4)
+            if (memorySize == null) {
+              const deviceId = pnpDeviceId[1].toUpperCase() + '&' + pnpDeviceId[2].toUpperCase();
+              if ({}.hasOwnProperty.call(memorySizes, deviceId)) {
+                memorySize = memorySizes[deviceId];
+              }
+            }
+          }
+
+          controllers.push({
+            vendor: util.getValue(lines, 'AdapterCompatibility', ':'),
+            model: util.getValue(lines, 'name', ':'),
+            bus: util.getValue(lines, 'PNPDeviceID', ':').startsWith('PCI') ? 'PCI' : '',
+            vram: (memorySize == null ? util.toInt(util.getValue(lines, 'AdapterRAM', ':')) : memorySize) / 1024 / 1024,
+            vramDynamic: (util.getValue(lines, 'VideoMemoryType', ':') === '2'),
+            subDeviceId
+          });
+          _resolutionX = util.toInt(util.getValue(lines, 'CurrentHorizontalResolution', ':')) || _resolutionX;
+          _resolutionY = util.toInt(util.getValue(lines, 'CurrentVerticalResolution', ':')) || _resolutionY;
+          _refreshRate = util.toInt(util.getValue(lines, 'CurrentRefreshRate', ':')) || _refreshRate;
+          _pixelDepth = util.toInt(util.getValue(lines, 'CurrentBitsPerPixel', ':')) || _pixelDepth;
+        }
+      }
+    }
+    return controllers;
+  }
+
+  function parseLinesWindowsDisplaysPowershell(ssections, msections, dsections, tsections, isections) {
+    let displays = [];
+    let vendor = '';
+    let model = '';
+    let deviceID = '';
+    let resolutionX = 0;
+    let resolutionY = 0;
+    if (dsections && dsections.length) {
+      let linesDisplay = dsections[0].split('\n');
+      vendor = util.getValue(linesDisplay, 'MonitorManufacturer', ':');
+      model = util.getValue(linesDisplay, 'Name', ':');
+      deviceID = util.getValue(linesDisplay, 'PNPDeviceID', ':').replace(/&amp;/g, '&').toLowerCase();
+      resolutionX = util.toInt(util.getValue(linesDisplay, 'ScreenWidth', ':'));
+      resolutionY = util.toInt(util.getValue(linesDisplay, 'ScreenHeight', ':'));
+    }
+    for (let i = 0; i < ssections.length; i++) {
+      if (ssections[i].trim() !== '') {
+        ssections[i] = 'BitsPerPixel ' + ssections[i];
+        msections[i] = 'Active ' + msections[i];
+        // tsections can be empty OR undefined on earlier versions of powershell (<=2.0)
+        // Tag connection type as UNKNOWN by default if this information is missing
+        if (tsections.length === 0 || tsections[i] === undefined) {
+          tsections[i] = 'Unknown';
+        }
+        let linesScreen = ssections[i].split('\n');
+        let linesMonitor = msections[i].split('\n');
+
+        let linesConnection = tsections[i].split('\n');
+        const bitsPerPixel = util.getValue(linesScreen, 'BitsPerPixel');
+        const bounds = util.getValue(linesScreen, 'Bounds').replace('{', '').replace('}', '').replace(/=/g, ':').split(',');
+        const primary = util.getValue(linesScreen, 'Primary');
+        const sizeX = util.getValue(linesMonitor, 'MaxHorizontalImageSize');
+        const sizeY = util.getValue(linesMonitor, 'MaxVerticalImageSize');
+        const instanceName = util.getValue(linesMonitor, 'InstanceName').toLowerCase();
+        const videoOutputTechnology = util.getValue(linesConnection, 'VideoOutputTechnology');
+        const deviceName = util.getValue(linesScreen, 'DeviceName');
+        let displayVendor = '';
+        let displayModel = '';
+        isections.forEach(element => {
+          if (element.instanceId.toLowerCase().startsWith(instanceName) && vendor.startsWith('(') && model.startsWith('PnP')) {
+            displayVendor = element.vendor;
+            displayModel = element.model;
+          }
+        });
+        displays.push({
+          vendor: instanceName.startsWith(deviceID) && displayVendor === '' ? vendor : displayVendor,
+          model: instanceName.startsWith(deviceID) && displayModel === '' ? model : displayModel,
+          deviceName,
+          main: primary.toLowerCase() === 'true',
+          builtin: videoOutputTechnology === '2147483648',
+          connection: videoOutputTechnology && videoTypes[videoOutputTechnology] ? videoTypes[videoOutputTechnology] : '',
+          resolutionX: util.toInt(util.getValue(bounds, 'Width', ':')),
+          resolutionY: util.toInt(util.getValue(bounds, 'Height', ':')),
+          sizeX: sizeX ? parseInt(sizeX, 10) : null,
+          sizeY: sizeY ? parseInt(sizeY, 10) : null,
+          pixelDepth: bitsPerPixel,
+          currentResX: util.toInt(util.getValue(bounds, 'Width', ':')),
+          currentResY: util.toInt(util.getValue(bounds, 'Height', ':')),
+          positionX: util.toInt(util.getValue(bounds, 'X', ':')),
+          positionY: util.toInt(util.getValue(bounds, 'Y', ':')),
+        });
+      }
+    }
+    if (ssections.length === 0) {
+      displays.push({
+        vendor,
+        model,
+        main: true,
+        sizeX: null,
+        sizeY: null,
+        resolutionX,
+        resolutionY,
+        pixelDepth: null,
+        currentResX: resolutionX,
+        currentResY: resolutionY,
+        positionX: 0,
+        positionY: 0
+      });
+    }
+    return displays;
+  }
+}
+
+exports.graphics = graphics;