Add support for auto enabling corepack (#396)

* Add variable for enabling corepack automatically

* Add docs to corepack variable

README.md

@@ -25,6 +25,7 @@ When compiling a version from source, you are going to need to install [all requ
 - `ASDF_NODEJS_LEGACY_FILE_DYNAMIC_STRATEGY`: Enable and choose the strategy for
   dynamic/partial versions in legacy version files. Either `latest_installed` or
   `latest_available`. For more info check the [Partial and codename versions](#partial-and-codename-versions) section
+- `ASDF_NODEJS_AUTO_ENABLE_COREPACK`: Enable corepack for new installations. Defaults to empty
 - `ASDF_NODEJS_VERBOSE_INSTALL`: Enables verbose output for downloading and building. Any value different from empty is treated as enabled.
 - `ASDF_NODEJS_FORCE_COMPILE`: Forces compilation from source instead of preferring pre-compiled binaries
 - `ASDF_NODEJS_NODEBUILD_HOME`: Home for the node-build installation, defaults to `$ASDF_DIR/plugins/nodejs/.node-build`, you can install it in another place or share it with your system

bin/install

@@ -21,6 +21,16 @@ install_nodejs() {
     nodebuild_wrapped ${args+"${args[@]}"} "$version" "$install_path"
 }
 
+_run_for_installation() {
+  (
+    if [ -r "$ASDF_NODEJS_PLUGIN_DIR/bin/exec-env" ]; then
+      . "$ASDF_NODEJS_PLUGIN_DIR/bin/exec-env"
+    fi
+
+    env PATH="$ASDF_INSTALL_PATH/bin:$PATH" "$@"
+  )
+}
+
 
 install_default_npm_packages() {
   local default_npm_packages_file="${ASDF_NPM_DEFAULT_PACKAGES_FILE:=$HOME/.default-npm-packages}" filtered_packages=
@@ -36,13 +46,13 @@ install_default_npm_packages() {
     xargs printf "%s, " <<< "$filtered_packages"
     printf "\x8\x8 \n" # Cleanup last comma
 
-    (
-      if [ -r "$ASDF_NODEJS_PLUGIN_DIR/bin/exec-env" ]; then
-        . "$ASDF_NODEJS_PLUGIN_DIR/bin/exec-env"
+    _run_for_installation xargs npm install -g <<< "$filtered_packages"
   fi
+}
 
-      xargs env PATH="$ASDF_INSTALL_PATH/bin:$PATH" npm install -g <<< "$filtered_packages"
-    )
+enable_corepack() {
+  if [ "${ASDF_NODEJS_AUTO_ENABLE_COREPACK-}" ]; then
+    _run_for_installation corepack enable
   fi
 }
 
@@ -51,4 +61,7 @@ install_nodejs "$ASDF_INSTALL_TYPE" "$ASDF_INSTALL_VERSION" "$ASDF_INSTALL_PATH"
 install_default_npm_packages \
   || printf "\n$(colored $YELLOW WARNING:) An error occurred when installing the default npm packages, but Node's installation succeeded\n"
 
+enable_corepack \
+  || printf "\n$(colored $YELLOW WARNING:) An error occurred while enabling corepack for this version\n"
+
 asdf reshim "$(plugin_name)" "$ASDF_INSTALL_VERSION"