Initial commit

.gitignore

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+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (http://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Typescript v1 declaration files
+typings/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+
+# IDEA folders
+.idea/
+
+# Chromium binaries output folder
+/lib/

config.js

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+'use strict';
+
+const path = require('path');
+
+module.exports = {
+    BIN_OUT_PATH: path.join(__dirname, 'lib', 'chromium')
+};

index.js

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+'use strict';
+
+const config = require('./config');
+const utils = require('./utils');
+
+const fs = require('fs');
+
+function getBinaryPath() {
+    const path = utils.getOsChromiumBinPath();
+
+    console.log('Chromiu: ', path);
+
+    if (fs.existsSync(path)) {
+        return path;
+    }
+
+    return undefined;
+}
+
+module.exports = {
+    path: getBinaryPath()
+};

install.js

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+'use strict';
+
+const config = require('./config');
+const utils = require('./utils');
+
+const extractZip = require('extract-zip');
+const got = require('got');
+const tmp = require('tmp');
+const fs = require('fs');
+
+const CDN_URL = 'https://www.googleapis.com/download/storage/v1/b/chromium-browser-snapshots/o/';
+
+
+function getOsCdnUrl() {
+    let url = CDN_URL;
+
+    const platform = process.platform;
+
+    if (platform === 'linux') {
+        url += 'Linux';
+        if (process.arch === 'x64') {
+            url += '_x64';
+        }
+    } else if (platform === 'win32') {
+        url += 'Win';
+        if (process.arch === 'x64') {
+            url += '_x64';
+        }
+    } else if (platform === 'darwin') {
+        url += 'Mac';
+    } else {
+        console.log('Unknown platform or architecture found:', process.platform, process.arch);
+        process.exit(1);
+    }
+
+    return url;
+}
+
+function getLatestRevisionNumber() {
+    return new Promise((resolve, reject) => {
+        const url = getOsCdnUrl() + '%2FLAST_CHANGE?alt=media';
+        got(url)
+            .then(response => {
+                resolve(response.body);
+            })
+            .catch(error => {
+                console.log('An error occured while trying to retrieve latest revision number', error);
+                reject(error);
+            });
+    });
+}
+
+function createTempFile() {
+    return new Promise((resolve, reject) => {
+        tmp.file((error, path, fd) => {
+            if (error) {
+                console.log('An error occured while trying to create temporary file', error);
+                reject(error);
+            } else {
+                resolve(path);
+            }
+        });
+    });
+}
+
+function downloadChromiumRevision(revision) {
+    return new Promise((resolve, reject) => {
+        createTempFile()
+            .then(path => {
+                console.log('Downloading Chromium archive from Google CDN');
+                const url = getOsCdnUrl() + `%2F${revision}%2F` + utils.getOsChromiumFolderName() + '.zip?alt=media';
+                got.stream(url)
+                    .on('error', (error, body, response) => {
+                        console.log('An error occurred while trying to download Chromium archive', error);
+                        reject(error);
+                    })
+                    .pipe(fs.createWriteStream(path))
+                    .on('error', error => {
+                        console.log('An error occurred while trying to save Chromium archive to disk', error);
+                        reject(error);
+                    })
+                    .on('finish', () => {
+                        resolve(path);
+                    });
+            });
+    });
+}
+
+function unzipArchive(archivePath, outputFolder) {
+    console.log('Started extracting archive', archivePath);
+    return new Promise((resolve, reject) => {
+        extractZip(archivePath, { dir: outputFolder }, error => {
+            if (error) {
+                console.log('An error occurred while trying to extract archive', error);
+                reject(error);
+            } else {
+                console.log('Archive was successfully extracted');
+                resolve(true);
+            }
+        })
+    });
+}
+
+getLatestRevisionNumber()
+    .then(downloadChromiumRevision)
+    .then(path => unzipArchive(path, config.BIN_OUT_PATH))
+    .catch(error => console.error('An error occurred while trying to setup Chromium. Resolve all issues and restart the process', error));