feat: add ability to run local browsers without specified browserVersion

src/browser-installer/chrome/browser.ts

@@ -1,10 +1,12 @@
+import _ from "lodash";
 import { resolveBuildId, canDownload, install as puppeteerInstall } from "@puppeteer/browsers";
-import { MIN_CHROME_FOR_TESTING_VERSION } from "../constants";
+import { CHROME_FOR_TESTING_LATEST_STABLE_API_URL, MIN_CHROME_FOR_TESTING_VERSION } from "../constants";
 import {
     browserInstallerDebug,
     getBrowserPlatform,
     getBrowsersDir,
     getMilestone,
+    retryFetch,
     type DownloadProgressCallback,
 } from "../utils";
 import registry from "../registry";
@@ -74,3 +76,20 @@ export const installChrome = async (
 
     return browserPath;
 };
+
+export const resolveLatestChromeVersion = _.memoize(async (force = false): Promise<string> => {
+    if (!force) {
+        const platform = getBrowserPlatform();
+        const existingLocallyBrowserVersion = registry.getMatchedBrowserVersion(BrowserName.CHROME, platform);
+
+        if (existingLocallyBrowserVersion) {
+            return existingLocallyBrowserVersion;
+        }
+    }
+
+    return retryFetch(CHROME_FOR_TESTING_LATEST_STABLE_API_URL)
+        .then(res => res.text())
+        .catch(() => {
+            throw new Error("Couldn't resolve latest chrome version");
+        });
+});

src/browser-installer/chrome/index.ts

@@ -4,11 +4,11 @@ import waitPort from "wait-port";
 import { pipeLogsWithPrefix } from "../../dev-server/utils";
 import { DRIVER_WAIT_TIMEOUT } from "../constants";
 import { getMilestone } from "../utils";
-import { installChrome } from "./browser";
+import { installChrome, resolveLatestChromeVersion } from "./browser";
 import { installChromeDriver } from "./driver";
 import { isUbuntu, getUbuntuLinkerEnv } from "../ubuntu-packages";
 
-export { installChrome, installChromeDriver };
+export { installChrome, resolveLatestChromeVersion, installChromeDriver };
 
 export const runChromeDriver = async (
     chromeVersion: string,

src/browser-installer/constants.ts

@@ -1,6 +1,17 @@
 export const CHROMEDRIVER_STORAGE_API = "https://chromedriver.storage.googleapis.com";
+
+const CHROME_FOR_TESTING_VERSIONS_API_URL = "https://googlechromelabs.github.io/chrome-for-testing";
+export const CHROME_FOR_TESTING_MILESTONES_API_URL = `${CHROME_FOR_TESTING_VERSIONS_API_URL}/latest-versions-per-milestone.json`;
+export const CHROME_FOR_TESTING_LATEST_STABLE_API_URL = `${CHROME_FOR_TESTING_VERSIONS_API_URL}/LATEST_RELEASE_STABLE`;
+
 export const GECKODRIVER_CARGO_TOML = "https://raw.githubusercontent.com/mozilla/geckodriver/release/Cargo.toml";
+
+const FIREFOX_VERSIONS_VERSIONS_API_URL = "https://product-details.mozilla.org/1.0";
+export const FIREFOX_VERSIONS_ALL_VERSIONS_API_URL = `${FIREFOX_VERSIONS_VERSIONS_API_URL}/firefox.json`;
+export const FIREFOX_VERSIONS_LATEST_VERSIONS_API_URL = `${FIREFOX_VERSIONS_VERSIONS_API_URL}/firefox_versions.json`;
+
 export const MSEDGEDRIVER_API = "https://msedgedriver.azureedge.net";
+
 export const SAFARIDRIVER_PATH = "/usr/bin/safaridriver";
 export const MIN_CHROME_FOR_TESTING_VERSION = 113;
 export const MIN_CHROMEDRIVER_FOR_TESTING_VERSION = 115;

src/browser-installer/edge/browser.ts

@@ -0,0 +1,67 @@
+import _ from "lodash";
+import { exec } from "child_process";
+import { BrowserPlatform } from "@puppeteer/browsers";
+import { getBrowserPlatform } from "../utils";
+
+const extractBrowserVersion = (cmd: string): Promise<string> =>
+    new Promise<string>((resolve, reject) => {
+        exec(cmd, (err, stdout) => {
+            if (err) {
+                const errorMessage = "Couldn't retrive edge version. Looks like its not installed";
+
+                reject(new Error(errorMessage));
+
+                return;
+            }
+
+            const edgeVersionRegExp = /\d+\.\d+\.\d+\.\d+/;
+            const version = edgeVersionRegExp.exec(stdout);
+
+            if (version && version[0]) {
+                resolve(version[0]);
+            } else {
+                const errorMessage = `Couldn't retrive edge version. Expected browser version, but got "${stdout}"`;
+
+                reject(new Error(errorMessage));
+            }
+        });
+    });
+
+const resolveLinuxEdgeVersion = (): Promise<string> => {
+    const getMsEdgeStableVersion = "which microsoft-edge-stable > /dev/null && microsoft-edge-stable --version";
+    const getMsEdgeVersion = "which microsoft-edge > /dev/null && microsoft-edge --version";
+
+    return extractBrowserVersion(`${getMsEdgeStableVersion} || ${getMsEdgeVersion}`);
+};
+
+const resolveWindowsEdgeVersion = (): Promise<string> => {
+    const getMsEdgeVersion = 'reg query "HKEY_CURRENT_USER\\Software\\Microsoft\\Edge\\BLBeacon" /v version';
+
+    return extractBrowserVersion(getMsEdgeVersion);
+};
+
+const resolveMacEdgeVersion = (): Promise<string> => {
+    const getMsEdgeVersion = "/Applications/Microsoft\\ Edge.app/Contents/MacOS/Microsoft\\ Edge --version";
+
+    return extractBrowserVersion(getMsEdgeVersion);
+};
+
+export const resolveEdgeVersion = _.once(async () => {
+    const platform = getBrowserPlatform();
+
+    switch (platform) {
+        case BrowserPlatform.LINUX:
+            return resolveLinuxEdgeVersion();
+
+        case BrowserPlatform.WIN32:
+        case BrowserPlatform.WIN64:
+            return resolveWindowsEdgeVersion();
+
+        case BrowserPlatform.MAC:
+        case BrowserPlatform.MAC_ARM:
+            return resolveMacEdgeVersion();
+
+        default:
+            throw new Error(`Unsupported platform: "${platform}"`);
+    }
+});

src/browser-installer/edge/index.ts

@@ -5,6 +5,7 @@ import waitPort from "wait-port";
 import { pipeLogsWithPrefix } from "../../dev-server/utils";
 import { DRIVER_WAIT_TIMEOUT } from "../constants";
 
+export { resolveEdgeVersion } from "./browser";
 export { installEdgeDriver };
 
 export const runEdgeDriver = async (

src/browser-installer/firefox/browser.ts

@@ -1,10 +1,18 @@
+import _ from "lodash";
 import { canDownload, install as puppeteerInstall } from "@puppeteer/browsers";
-import { browserInstallerDebug, getBrowserPlatform, getBrowsersDir, type DownloadProgressCallback } from "../utils";
+import {
+    browserInstallerDebug,
+    getBrowserPlatform,
+    getBrowsersDir,
+    retryFetch,
+    type DownloadProgressCallback,
+} from "../utils";
 import registry from "../registry";
 import { getFirefoxBuildId, normalizeFirefoxVersion } from "./utils";
 import { installLatestGeckoDriver } from "./driver";
 import { installUbuntuPackageDependencies } from "../ubuntu-packages";
 import { BrowserName } from "../../browser/types";
+import { FIREFOX_VERSIONS_LATEST_VERSIONS_API_URL } from "../constants";
 
 const installFirefoxBrowser = async (version: string, { force = false } = {}): Promise<string> => {
     const platform = getBrowserPlatform();
@@ -59,3 +67,21 @@ export const installFirefox = async (
 
     return browserPath;
 };
+
+export const resolveLatestFirefoxVersion = _.memoize(async (force = false): Promise<string> => {
+    if (!force) {
+        const platform = getBrowserPlatform();
+        const existingLocallyBrowserVersion = registry.getMatchedBrowserVersion(BrowserName.FIREFOX, platform);
+
+        if (existingLocallyBrowserVersion) {
+            return existingLocallyBrowserVersion;
+        }
+    }
+
+    return retryFetch(FIREFOX_VERSIONS_LATEST_VERSIONS_API_URL)
+        .then(res => res.json())
+        .then(({ LATEST_FIREFOX_VERSION }) => LATEST_FIREFOX_VERSION)
+        .catch(() => {
+            throw new Error("Couldn't resolve latest firefox version");
+        });
+});

src/browser-installer/firefox/index.ts

@@ -2,13 +2,13 @@ import type { ChildProcess } from "child_process";
 import { start as startGeckoDriver } from "geckodriver";
 import getPort from "get-port";
 import waitPort from "wait-port";
-import { installFirefox } from "./browser";
+import { installFirefox, resolveLatestFirefoxVersion } from "./browser";
 import { installLatestGeckoDriver } from "./driver";
 import { pipeLogsWithPrefix } from "../../dev-server/utils";
 import { DRIVER_WAIT_TIMEOUT } from "../constants";
 import { getUbuntuLinkerEnv, isUbuntu } from "../ubuntu-packages";
 
-export { installFirefox, installLatestGeckoDriver };
+export { installFirefox, resolveLatestFirefoxVersion, installLatestGeckoDriver };
 
 export const runGeckoDriver = async (
     firefoxVersion: string,

src/browser-installer/index.ts

@@ -1,3 +1,4 @@
 export { installBrowser, installBrowsersWithDrivers, BrowserInstallStatus } from "./install";
 export { runBrowserDriver } from "./run";
+export { resolveBrowserVersion } from "./resolve-browser-version";
 export type { SupportedBrowser, SupportedDriver } from "./utils";

src/browser-installer/install.ts

@@ -11,12 +11,6 @@ export const installBrowser = async (
     browserVersion?: string,
     { force = false, shouldInstallWebDriver = false, shouldInstallUbuntuPackages = false } = {},
 ): Promise<string | null> => {
-    if (!browserVersion) {
-        throw new Error(
-            `Couldn't install browser '${browserName}' because it has invalid version: '${browserVersion}'`,
-        );
-    }
-
     const { isUbuntu } = await import("./ubuntu-packages");
 
     const needUbuntuPackages = shouldInstallUbuntuPackages && (await isUbuntu());
@@ -33,22 +27,25 @@ export const installBrowser = async (
     switch (browserName) {
         case BrowserName.CHROME:
         case BrowserName.CHROMIUM: {
-            const { installChrome } = await import("./chrome");
+            const { installChrome, resolveLatestChromeVersion } = await import("./chrome");
+            const version = browserVersion || (await resolveLatestChromeVersion(force));
 
-            return installChrome(browserVersion, { force, needUbuntuPackages, needWebDriver: shouldInstallWebDriver });
+            return installChrome(version, { force, needUbuntuPackages, needWebDriver: shouldInstallWebDriver });
         }
 
         case BrowserName.FIREFOX: {
-            const { installFirefox } = await import("./firefox");
+            const { installFirefox, resolveLatestFirefoxVersion } = await import("./firefox");
+            const version = browserVersion || (await resolveLatestFirefoxVersion(force));
 
-            return installFirefox(browserVersion, { force, needUbuntuPackages, needWebDriver: shouldInstallWebDriver });
+            return installFirefox(version, { force, needUbuntuPackages, needWebDriver: shouldInstallWebDriver });
         }
 
         case BrowserName.EDGE: {
-            const { installEdgeDriver } = await import("./edge");
+            const { installEdgeDriver, resolveEdgeVersion } = await import("./edge");
+            const version = browserVersion || (await resolveEdgeVersion());
 
             if (shouldInstallWebDriver) {
-                await installEdgeDriver(browserVersion, { force });
+                await installEdgeDriver(version, { force });
             }
 
             return null;
@@ -113,7 +110,9 @@ export const installBrowsersWithDrivers = async (
     for (const { browserName, browserVersion } of uniqBrowsers) {
         installPromises.push(
             forceInstallBinaries(installBrowser, browserName, browserVersion).then(result => {
-                browsersInstallResult[`${browserName}@${browserVersion}`] = result;
+                const key = browserVersion ? `${browserName}@${browserVersion}` : String(browserName);
+
+                browsersInstallResult[key] = result;
             }),
         );
     }

src/browser-installer/registry/index.ts

@@ -47,6 +47,22 @@ const logDownloadingBrowsersWarningOnce = _.once(() => {
     logger.warn("Note: this is one-time action. It may take a while...");
 });
 
+const getBuildPrefix = (browserName: SupportedBrowser, browserVersion: string): string | null => {
+    switch (browserName) {
+        case BrowserName.CHROME:
+            return normalizeChromeVersion(browserVersion);
+
+        case BrowserName.CHROMIUM:
+            return getMilestone(browserVersion);
+
+        case BrowserName.FIREFOX:
+            return getFirefoxBuildId(browserVersion);
+
+        default:
+            return null;
+    }
+};
+
 class Registry {
     private registryPath = getRegistryPath();
     private registry = this.readRegistry();
@@ -123,35 +139,29 @@ class Registry {
     public getMatchedBrowserVersion(
         browserName: SupportedBrowser,
         platform: BrowserPlatform,
-        browserVersion: string,
+        browserVersion?: string,
     ): string | null {
         const registryKey = getRegistryBinaryKey(browserName, platform);
 
         if (!this.registry.binaries[registryKey]) {
             return null;
         }
 
-        let buildPrefix: string;
-
-        switch (browserName) {
-            case BrowserName.CHROME:
-                buildPrefix = normalizeChromeVersion(browserVersion);
-                break;
+        const buildIds = this.getBinaryVersions(browserName, platform);
 
-            case BrowserName.CHROMIUM:
-                buildPrefix = getMilestone(browserVersion);
-                break;
+        let suitableBuildIds;
 
-            case BrowserName.FIREFOX:
-                buildPrefix = getFirefoxBuildId(browserVersion);
-                break;
+        if (!browserVersion) {
+            suitableBuildIds = buildIds;
+        } else {
+            const buildPrefix = getBuildPrefix(browserName, browserVersion);
 
-            default:
+            if (buildPrefix === null) {
                 return null;
-        }
+            }
 
-        const buildIds = this.getBinaryVersions(browserName, platform);
-        const suitableBuildIds = buildIds.filter(buildId => buildId.startsWith(buildPrefix));
+            suitableBuildIds = buildIds.filter(buildId => buildId.startsWith(buildPrefix));
+        }
 
         if (!suitableBuildIds.length) {
             return null;

src/browser-installer/resolve-browser-version.ts

@@ -0,0 +1,14 @@
+import { BrowserName, type W3CBrowserName } from "../browser/types";
+
+export const resolveBrowserVersion = (browserName: W3CBrowserName, { force = false } = {}): Promise<string> => {
+    switch (browserName) {
+        case BrowserName.CHROME:
+            return import("./chrome").then(module => module.resolveLatestChromeVersion(force));
+        case BrowserName.FIREFOX:
+            return import("./firefox").then(module => module.resolveLatestFirefoxVersion(force));
+        case BrowserName.EDGE:
+            return import("./edge").then(module => module.resolveEdgeVersion());
+        case BrowserName.SAFARI:
+            return import("./safari").then(module => module.resolveSafariVersion());
+    }
+};

src/browser-installer/safari/browser.ts

@@ -0,0 +1,24 @@
+import _ from "lodash";
+import { exec } from "child_process";
+
+export const resolveSafariVersion = _.once(
+    () =>
+        new Promise<string>((resolve, reject) => {
+            const getSafariVersionError = new Error("Couldn't retrive safari version.");
+
+            exec("mdls -name kMDItemVersion /Applications/Safari.app", (err, stdout) => {
+                if (err) {
+                    reject(getSafariVersionError);
+                    return;
+                }
+
+                const regExpResult = /kMDItemVersion = "(.*)"/.exec(stdout);
+
+                if (regExpResult && regExpResult[1]) {
+                    resolve(regExpResult[1]);
+                } else {
+                    reject(getSafariVersionError);
+                }
+            });
+        }),
+);

src/browser-installer/safari/index.ts

@@ -4,6 +4,8 @@ import waitPort from "wait-port";
 import { pipeLogsWithPrefix } from "../../dev-server/utils";
 import { DRIVER_WAIT_TIMEOUT, SAFARIDRIVER_PATH } from "../constants";
 
+export { resolveSafariVersion } from "./browser";
+
 export const runSafariDriver = async ({ debug = false }: { debug?: boolean } = {}): Promise<{
     gridUrl: string;
     process: ChildProcess;