Add ARM64 support (#108)

* Add ARM64 support

* Add Tests

* Test the tests

* Fix test

* Fix test

* Tests

* Remove log

README.md

@@ -85,6 +85,7 @@ Use `GECKODRIVER_SKIP_DOWNLOAD` to skip the download of the geckodriver file.
 ## Versions
 
 * [npm module version] - [geckodriver version]
+* 3.2.0 - geckodriver 0.32.0, arm64 support.
 * 3.1.0 - geckodriver 0.31.0
 * 3.0.x - geckodriver 0.30.0, refactored logic, dependency updates.
 * 2.00.x - geckodriver 0.29.1, support changed to node v12+
@@ -113,6 +114,7 @@ Use `GECKODRIVER_SKIP_DOWNLOAD` to skip the download of the geckodriver file.
 
 ## Changelog
 
+* 3.2.0 - geckodriver 0.32.0, arm64 support for Mac, Linux and Windows, added `GECKODRIVER_ARCH` for custom arch downloads.
 * 3.1.0 - geckodriver 0.31.0
 * 2.0.1 - fixed proxy download behaviour.
 * 1.20.0 - geckodriver 27. Requires node 8 and higher. Support `HTTPS_PROXY` env and npm_config_geckodriver_version variables.

index.js

@@ -10,7 +10,7 @@ var proxyAgent = require('https-proxy-agent');
 var Promise = require('bluebird');
 
 var platform = os.platform();
-var arch = os.arch();
+var arch = process.env.GECKODRIVER_ARCH || process.env.npm_config_geckodriver_arch || os.arch();
 
 var skipDownload = process.env.GECKODRIVER_SKIP_DOWNLOAD || process.env.npm_config_geckodriver_skip_download;
 if (skipDownload === 'true') {
@@ -21,20 +21,29 @@ if (skipDownload === 'true') {
 var baseCDNURL = process.env.GECKODRIVER_CDNURL || process.env.npm_config_geckodriver_cdnurl || 'https://github.com/mozilla/geckodriver/releases/download';
 var CACHED_ARCHIVE = process.env.GECKODRIVER_FILEPATH ? path.resolve(process.env.GECKODRIVER_FILEPATH) : undefined;
 
-var version = process.env.GECKODRIVER_VERSION || process.env.npm_config_geckodriver_version || '0.30.0';
+var version = process.env.GECKODRIVER_VERSION || process.env.npm_config_geckodriver_version || '0.32.0';
 
 // Remove trailing slash if included
 baseCDNURL = baseCDNURL.replace(/\/+$/, '');
 
 var baseDownloadUrl =  baseCDNURL + '/v' + version + '/geckodriver-v' + version;
 var DOWNLOAD_MAC = baseDownloadUrl +'-macos.tar.gz';
+var DOWNLOAD_MAC_ARM64 = baseDownloadUrl +'-macos-aarch64.tar.gz';
+
+var DOWNLOAD_LINUX_ARM64 = baseDownloadUrl +'-linux-aarch64.tar.gz';
 var DOWNLOAD_LINUX64 = baseDownloadUrl +'-linux64.tar.gz';
 var DOWNLOAD_LINUX32 = baseDownloadUrl +'-linux32.tar.gz';
+
+var DOWNLOAD_WIN_ARM64 = baseDownloadUrl +'-win-aarch64.zip';
 var DOWNLOAD_WIN32 = baseDownloadUrl +'-win32.zip';
 var DOWNLOAD_WIN64 = baseDownloadUrl +'-win64.zip';
 
 // TODO: move this to package.json or something
 var downloadUrl = DOWNLOAD_MAC;
+if (arch === 'arm64') {
+  downloadUrl = DOWNLOAD_MAC_ARM64;
+}
+
 var outFile = 'geckodriver.tar.gz';
 var executable = 'geckodriver';
 
@@ -45,12 +54,29 @@ if (proxy !== null) {
 }
 
 if (platform === 'linux') {
-  downloadUrl = arch === 'x64' ? DOWNLOAD_LINUX64 : DOWNLOAD_LINUX32;
+  switch (arch) {
+    case 'arm64':
+      downloadUrl = DOWNLOAD_LINUX_ARM64;
+      break;
+    case 'x64':
+      downloadUrl = DOWNLOAD_LINUX64;
+      break;
+    default:
+      downloadUrl = DOWNLOAD_LINUX32;
+  }
 }
 
 if (platform === 'win32') {
-  // No 32-bits of geckodriver for now
-  downloadUrl = arch === 'x64' ? DOWNLOAD_WIN64 : DOWNLOAD_WIN32;
+  switch (arch) {
+    case 'arm64':
+      downloadUrl = DOWNLOAD_WIN_ARM64;
+      break;
+    case 'x64':
+      downloadUrl = DOWNLOAD_WIN64;
+      break;
+    default:
+      downloadUrl = DOWNLOAD_WIN32;
+  }
   outFile = 'geckodriver.zip';
   executable = 'geckodriver.exe';
 }

lib/geckodriver.js

@@ -7,7 +7,7 @@ process.env.PATH += path.delimiter + path.join(__dirname, '..');
 exports.path = process.platform === 'win32' ? path.join(__dirname, '..', 'geckodriver.exe') : path.join(__dirname, '..', 'geckodriver');
 
 // specify the version of geckodriver
-exports.version =  process.env.GECKODRIVER_VERSION || '0.31.0';
+exports.version =  process.env.GECKODRIVER_VERSION || '0.32.0';
 
 exports.start = function(args) {
   exports.defaultInstance = require('child_process').execFile(exports.path, args);