OSX ChromeNotInstalledError - My resolution

[justincoh]

When attempting to chromeLauncher.launch, I receive the following error trace:

ChromeNotInstalledError
    at new LauncherError (/Users/justincohen/lighthouse/node_modules/chrome-launcher/dist/utils.js:37:22)
    at new ChromeNotInstalledError (/Users/justincohen/lighthouse/node_modules/chrome-launcher/dist/utils.js:68:9)
    at Launcher.<anonymous> (/Users/justincohen/lighthouse/node_modules/chrome-launcher/dist/chrome-launcher.js:163:27)
    at Generator.next (<anonymous>)
    at /Users/justincohen/lighthouse/node_modules/chrome-launcher/dist/chrome-launcher.js:13:71
    at new Promise (<anonymous>)
    at __awaiter (/Users/justincohen/lighthouse/node_modules/chrome-launcher/dist/chrome-launcher.js:9:12)
    at Launcher.launch (/Users/justincohen/lighthouse/node_modules/chrome-launcher/dist/chrome-launcher.js:149:16)
    at Object.<anonymous> (/Users/justincohen/lighthouse/node_modules/chrome-launcher/dist/chrome-launcher.js:48:24)
    at Generator.next (<anonymous>) {
  message: 'No Chrome installations found.',
  code: 'ERR_LAUNCHER_NOT_INSTALLED'
}

I read through chrome-launcher source until i found this regex block, which appears to have the correct path to my chrome installation. I tried manually setting CHROME_PATH=/Applications/Google\ Chrome\ Canary.app process.env var to get around this, and ran up against a different error:

TypeError: Cannot read property 'toString' of undefined
    at Launcher.<anonymous> (/Users/justincohen/lighthouse/node_modules/chrome-launcher/dist/chrome-launcher.js:191:64)
    at Generator.next (<anonymous>)
    at fulfilled (/Users/justincohen/lighthouse/node_modules/chrome-launcher/dist/chrome-launcher.js:10:58)
    at processTicksAndRejections (internal/process/task_queues.js:97:5)
events.js:288
      throw er; // Unhandled 'error' event
      ^

Error: spawn /Applications/Google Chrome Canary.app EACCES
    at Process.ChildProcess._handle.onexit (internal/child_process.js:267:19)
    at onErrorNT (internal/child_process.js:469:16)
    at processTicksAndRejections (internal/process/task_queues.js:84:21)
Emitted 'error' event on ChildProcess instance at:
    at Process.ChildProcess._handle.onexit (internal/child_process.js:273:12)
    at onErrorNT (internal/child_process.js:469:16)
    at processTicksAndRejections (internal/process/task_queues.js:84:21) {
  errno: 'EACCES',
  code: 'EACCES',
  syscall: 'spawn /Applications/Google Chrome Canary.app',
  path: '/Applications/Google Chrome Canary.app',

This EACCES error was because that CHROME_PATH is not the path to the binary, but the higher level directory.

Resolution

I have successfully launched chromeLauncher by passing the full path to the binary as an ENV var: CHROME_PATH=/Applications/Google\ Chrome\ Canary.app/Contents/MacOS/Google\ Chrome\ Canary. I'm not sure where chromeLauncher is getting lost, but this is how I was able to resolve it.

Tech Details

chrome-launcher version: 0.13.3 osx version: 10.15.3

Full contents of my index.js:

const chromeLauncher = require('chrome-launcher');

chromeLauncher.launch({
  startingUrl: "https://www.google.com"
}).catch(err => console.error(err));

Successful with the following command CHROME_PATH=/Applications/Google\ Chrome\ Canary.app/Contents/MacOS/Google\ Chrome\ Canary node index.js

[matatablack]

Thank you, same issue here. Your tip worked for me.

[andreasvirkus]

Same workaround fixes this issue if you only have Brave installed and no other Chromium-based browser (Mozilla's web-ext package uses chrome-launcher)

CHROME_PATH=/Applications/Brave\ Browser.app/Contents/MacOS/Brave\ Browser web-ext run --target chromium

[vintprox]

Same workaround fixes this issue if you only have Brave installed and no other Chromium-based browser (Mozilla's web-ext package uses chrome-launcher)

CHROME_PATH=/Applications/Brave\ Browser.app/Contents/MacOS/Brave\ Browser web-ext run --target chromium

Thanks! But web-ext doesn't seem to pass environment variable so easily. Example for linux:

CHROME_PATH=/usr/bin/brave web-ext run --target chromium

Doesn't work. However, WEB_EXT_CHROMIUM_BINARY will be recognized by web-ext and used in place of --chromium-binary flag:

WEB_EXT_CHROMIUM_BINARY=/usr/bin/brave web-ext run --target chromium

Works like a charm :+1:

(Also, now that I saw a bit of ugliness which OS X paths are, I'm very glad I didn't waste time and money on Mac. :joy:)