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Update npm on windows
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REM see https://github.com/coreybutler/nvm-windows/issues/300 | |
@echo off | |
SETLOCAL EnableDelayedExpansion | |
if [%1] == [] ( | |
echo Pass in the version you would like to install, or "latest" to install the latest npm version. | |
) else ( | |
set wanted_version=%1 | |
if "!wanted_version!" == "latest" ( | |
for /f %%i in ('npm show npm version') do set wanted_version=%%i | |
) | |
for /f %%i in ('npm -g -v') do set cur_version=%%i | |
if "!cur_version!" == "!wanted_version!" ( | |
echo Already on npm version !wanted_version!. | |
) else ( | |
echo Updating to !wanted_version!... | |
set node_path=!PROGRAMFILES!\nodejs | |
REM set node_path="D:\Programme\LessPortableApps\node\node-v10.15.3-win-x64" | |
for %%A in ("%path:;="; "%") do ( | |
echo %%~A | find /i "node" > nul | |
if not errorlevel 1 ( | |
set node_path="%%~A" | |
) | |
) | |
echo "node_path: %node_path%" | |
rename "!node_path!\npm" npm2 | |
rename "!node_path!\npm.cmd" npm2.cmd | |
rename "!node_path!\node_modules\npm" npm2 | |
node "!node_path!\node_modules\npm2\bin\npm-cli.js" i npm@!wanted_version! -g | |
for /f %%i in ('npm -g -v') do set new_version=%%i | |
echo New version installed is !new_version! | |
if "!new_version!" == "!wanted_version!" ( | |
echo Successfully updated to !wanted_version!. Cleaning up backups... | |
del "!node_path!\npm2" | |
del "!node_path!\npm2.cmd" | |
@RD /S /Q "!node_path!\node_modules\npm2" | |
echo Update complete. | |
) else ( | |
echo Something went wrong. Rolling back. | |
if exist "!node_path!\npm" ( | |
del "!node_path!\npm" | |
) | |
if exist "!node_path!\npm.cmd" ( | |
del "!node_path!\npm.cmd" | |
) | |
if exist "!node_path!\node_modules\npm" ( | |
@RD /S /Q "!node_path!\node_modules\npm" | |
) | |
rename "!node_path!\npm2" npm | |
rename "!node_path!\npm2.cmd" npm.cmd | |
rename "!node_path!\node_modules\npm2" npm | |
) | |
) | |
) |
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