feat: add package name validation to init and new commands

src/cli/init.rs

@@ -16,7 +16,7 @@
 // along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 use crate::config::FILE_MAIN_C;
-use crate::core::config::Config;
+use crate::core::config::{validate_package_name, Config};
 use crate::utils::fs::check_dir;
 use crate::utils::log::{error, warn};
 use crate::utils::text::{BOLD_CYAN, BOLD_GREEN, colored, printc};
@@ -41,6 +41,15 @@ pub fn init(args: &[String]) -> i32 {
         return 1;
     }
 
+    if let Err(e) = validate_package_name(&project_name) {
+        error(&format!(
+            "Invalid project name `{}`: {}",
+            colored(&project_name, BOLD_CYAN),
+            e
+        ));
+        return 1;
+    }
+
     let cwd = std::env::current_dir()
         .map(|v| v.to_string_lossy().to_string())
         .unwrap_or_else(|_| ".".to_string());

src/cli/new.rs

@@ -16,7 +16,7 @@
 // along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 use crate::config::FILE_MAIN_C;
-use crate::core::config::Config;
+use crate::core::config::{validate_package_name, Config};
 use crate::utils::fs::check_dir;
 use crate::utils::log::{error, warn};
 use crate::utils::text::{BOLD_CYAN, BOLD_GREEN, colored, printc};
@@ -42,6 +42,15 @@ pub fn new(args: &[String]) -> i32 {
         colored(project_name, BOLD_CYAN)
     );
 
+    if let Err(e) = validate_package_name(project_name) {
+        error(&format!(
+            "Invalid project name `{}`: {}",
+            colored(project_name, BOLD_CYAN),
+            e
+        ));
+        return 1;
+    }
+
     if items.contains(project_name) {
         error(&format!(
             "Directory `{}` already exists\n",

src/core/config.rs

@@ -447,7 +447,7 @@ fn parse_typed_config(value: &Value) -> Result<DcrConfig, ConfigError> {
     value.clone().try_into().map_err(ConfigError::TomlDe)
 }
 
-fn validate_package_name(name: &str) -> Result<(), ConfigError> {
+pub fn validate_package_name(name: &str) -> Result<(), ConfigError> {
     let trimmed = name.trim();
     if trimmed != name {
         return Err(ConfigError::Invalid(