Appium downgrading through CLI

Appium downgrading.txt

Last login: Thu Oct  3 17:41:33 on ttys001
~ $ npm uninstall -g appium --unsafe-perm=true --allow-root
up to date in 0.027s
~ $ npm install -g appium --unsafe-perm=true --allow-root
/usr/local/Cellar/node/9.3.0_1/bin/appium -> /usr/local/Cellar/node/9.3.0_1/lib/node_modules/appium/build/lib/main.js
/usr/local/Cellar/node/9.3.0_1/bin/authorize-ios -> /usr/local/Cellar/node/9.3.0_1/lib/node_modules/appium/node_modules/.bin/authorize-ios

> appium-windows-driver@1.6.0 install /usr/local/Cellar/node/9.3.0_1/lib/node_modules/appium/node_modules/appium-windows-driver
> node install-npm.js

Not installing WinAppDriver since did not detect a Windows system

> core-js@2.6.9 postinstall /usr/local/Cellar/node/9.3.0_1/lib/node_modules/appium/node_modules/core-js
> node scripts/postinstall || echo "ignore"

Thank you for using core-js ( https://github.com/zloirock/core-js ) for polyfilling JavaScript standard library!

The project needs your help! Please consider supporting of core-js on Open Collective or Patreon: 
> https://opencollective.com/core-js 
> https://www.patreon.com/zloirock 

Also, the author of core-js ( https://github.com/zloirock ) is looking for a good job -)


> appium-chromedriver@4.16.0 postinstall /usr/local/Cellar/node/9.3.0_1/lib/node_modules/appium/node_modules/appium-chromedriver
> node install-npm.js

[17:47:12] [Chromedriver Install] Installing Chromedriver version '76.0.3809.126' for platform 'mac' and architecture '64'
[17:47:12] [Chromedriver Install] Opening temp file to write 'chromedriver_mac64' to...
[17:47:12] [Chromedriver Install] Opened temp file '/var/folders/ml/669th9dj4yzcxtr6k1v0fwhm0000gp/T/201993-5008-1rejh2c.7wqd/chromedriver_mac64.zip'
[17:47:12] [Chromedriver Install] Downloading https://chromedriver.storage.googleapis.com/76.0.3809.126/chromedriver_mac64.zip...
[17:47:12] [Chromedriver Install] Writing binary content to /var/folders/ml/669th9dj4yzcxtr6k1v0fwhm0000gp/T/201993-5008-1rejh2c.7wqd/chromedriver_mac64.zip...
[17:47:12] [Chromedriver Install] Extracting /var/folders/ml/669th9dj4yzcxtr6k1v0fwhm0000gp/T/201993-5008-1rejh2c.7wqd/chromedriver_mac64.zip to /var/folders/ml/669th9dj4yzcxtr6k1v0fwhm0000gp/T/201993-5008-1rejh2c.7wqd/chromedriver_mac64
[17:47:13] [Chromedriver Install] Creating /usr/local/Cellar/node/9.3.0_1/lib/node_modules/appium/node_modules/appium-chromedriver/chromedriver/mac...
[17:47:13] [Chromedriver Install] Copying unzipped binary, reading from /var/folders/ml/669th9dj4yzcxtr6k1v0fwhm0000gp/T/201993-5008-1rejh2c.7wqd/chromedriver_mac64/chromedriver...
[17:47:13] [Chromedriver Install] Writing to /usr/local/Cellar/node/9.3.0_1/lib/node_modules/appium/node_modules/appium-chromedriver/chromedriver/mac/chromedriver...
[17:47:13] [Chromedriver Install] /usr/local/Cellar/node/9.3.0_1/lib/node_modules/appium/node_modules/appium-chromedriver/chromedriver/mac/chromedriver successfully put in place
+ appium@1.15.0
added 610 packages from 457 contributors in 7.565s
~ $ which appium
~ $ appium -v
-sh: appium: command not found
~ $ node -v
v12.11.1
~ $ npm -v
6.11.3
~ $ npm i @angular/cli

> @angular/cli@8.3.7 postinstall /Users/Aymar/node_modules/@angular/cli
> node ./bin/postinstall/script.js

? Would you like to share anonymous usage data with the Angular Team at Google under
Google’s Privacy Policy at https://policies.google.com/privacy? For more details and
how to change this setting, see http://angular.io/analytics. Yes

Thank you for sharing anonymous usage data. If you change your mind, the following
command will disable this feature entirely:

    ng analytics off

npm WARN saveError ENOENT: no such file or directory, open '/Users/Aymar/package.json'
npm WARN enoent ENOENT: no such file or directory, open '/Users/Aymar/package.json'
npm WARN Aymar No description
npm WARN Aymar No repository field.
npm WARN Aymar No README data
npm WARN Aymar No license field.

+ @angular/cli@8.3.7
added 170 packages from 130 contributors and audited 3666 packages in 13.824s
found 0 vulnerabilities

~ $ angular -v
-sh: angular: command not found
~ $ ng version
-sh: ng: command not found
~ $ ng --version
-sh: ng: command not found
~ $