dot: change bash configuration

dot/.bashrc.d/fnm.bash

@@ -0,0 +1,44 @@
+basedir=$(realpath -m $(dirname "${BASH_SOURCE[0]:-$0}"))
+source "${basedir}/function.bash"
+
+unset basedir
+
+if [[ -e "$(type -p fnm)" ]]; then
+    generate-bash-completion fnm "fnm completions --shell bash"
+
+    fnm-activate() {
+        hash -r
+        eval "$(fnm env --use-on-cd --version-file-strategy=recursive)"
+        export FNM_NODE_DIST_MIRROR="https://npmmirror.com/mirrors/node"
+
+        __fnmcd() {
+            \cd "$@" || return $?
+            unhash-command-in-dirs "$FNM_MULTISHELL_PATH"/bin
+            __fnm_use_if_file_found
+        }
+    }
+
+    fnm-deactivate() {
+        if [[ "$(type -t cd)" == "alias" ]]; then
+            unalias cd
+        fi
+
+        if [[ -z "$FNM_MULTISHELL_PATH" ]]; then
+            return 0
+        fi
+
+        local fnm_multishell="$(dirname "$FNM_MULTISHELL_PATH")"
+        local -a envs=$(compgen -v | grep '^FNM_')
+        local -a all_tmp_dir=("$fnm_multishell"/*)
+        local -a bin_paths=("$fnm_multishell"/*/bin)
+
+        remove-from-path "${bin_paths[@]}"
+        unhash-command-in-dirs "${bin_paths[@]}"
+        rm -rf "${all_tmp_dir[@]}"
+
+        local var
+        for var in $envs; do
+            unset "$var"
+        done
+    }
+fi