feat(node): ask to install libstdc++ on Alpine

node/install.sh

@@ -43,4 +43,58 @@ pkg_done_message() {
     b_dst="$(fn_sub_home "${pkg_dst}")"
     echo ""
     echo "    Installed $(t_pkg 'node') and $(t_pkg 'npm') at $(t_path "${b_dst}/")"
+
+    if command -v apk > /dev/null; then
+        if ! apk info | grep -F 'libstdc++' > /dev/null; then
+            echo ""
+            echo "    $(t_pkg 'WARNING'): $(t_pkg 'libstdc++') is required for $(t_pkg 'node'), but not installed" >&2
+            if command -v sudo > /dev/null; then
+                cmd_sudo='sudo '
+            fi
+            _install_webi_essentials_apk "${cmd_sudo}" 'libstdc++'
+        fi
+    fi
 }
+
+_install_webi_essentials_apk() { (
+    cmd_sudo="${1}"
+    b_pkgs="${2}"
+
+    #echo "    $(t_dim 'Running') $(t_cmd "${cmd_sudo}apk add --no-cache")"
+    fn_polite_sudo "${cmd_sudo}" "    $(t_cmd "apk add --no-cache ${b_pkgs}")"
+    # shellcheck disable=SC2086
+    ${cmd_sudo} apk add --no-cache ${b_pkgs}
+); }
+
+fn_polite_sudo() { (
+    a_sudo="${1}"
+    a_cmds="${2}"
+
+    # no sudo needed, so don't ask
+    if test -z "${a_sudo}"; then
+        return 0
+    fi
+
+    # this is scripted, not user-interactive, continue
+    if test -z "${WEBI_TTY}"; then
+        return 0
+    fi
+
+    # this is user interactive, ask the user,defaulting to yes
+    echo ""
+    #shellcheck disable=SC2005 # echo for newline
+    printf '%s\n' "$(t_attn 'Use sudo to run the following? [Y/n] ')"
+    echo "${a_cmds}"
+    read -r b_yes < /dev/tty
+
+    b_yes="$(
+        echo "${b_yes}" |
+            tr '[:upper:]' '[:lower:]' |
+            tr -d '[:space:]'
+    )"
+    if test -z "${b_yes}" || test "${b_yes}" = "y" || test "${b_yes}" = "yes"; then
+        return 0
+    fi
+    echo "    aborted"
+    return 1
+); }