feat: migrate anywho to thiserror

Author: LeadcodeDev

Cargo.lock

@@ -23,7 +23,7 @@ sqlx = { version = "0.8", features = [
 tokio = { version = "1", features = ["full"] }
 clap = { version = "4", features = ["derive", "env"] }
 heck = "0.5"
-anyhow = "1"
+thiserror = "2"
 quote = "1"
 proc-macro2 = "1"
 syn = "2"

Cargo.toml

@@ -54,7 +54,7 @@ pub enum DatabaseKind {
 }
 
 impl Args {
-    pub fn database_kind(&self) -> anyhow::Result<DatabaseKind> {
+    pub fn database_kind(&self) -> crate::error::Result<DatabaseKind> {
         let url = &self.database_url;
         if url.starts_with("postgres://") || url.starts_with("postgresql://") {
             Ok(DatabaseKind::Postgres)
@@ -63,9 +63,9 @@ impl Args {
         } else if url.starts_with("sqlite://") || url.starts_with("sqlite:") {
             Ok(DatabaseKind::Sqlite)
         } else {
-            anyhow::bail!(
-                "Cannot detect database type from URL. Expected postgres://, mysql://, or sqlite:// prefix."
-            )
+            Err(crate::error::Error::Config(
+                "Cannot detect database type from URL. Expected postgres://, mysql://, or sqlite:// prefix.".to_string(),
+            ))
         }
     }
 

src/cli.rs

@@ -0,0 +1,15 @@
+use std::io;
+
+#[derive(Debug, thiserror::Error)]
+pub enum Error {
+    #[error("Database error: {0}")]
+    Database(#[from] sqlx::Error),
+
+    #[error("IO error: {0}")]
+    Io(#[from] io::Error),
+
+    #[error("{0}")]
+    Config(String),
+}
+
+pub type Result<T> = std::result::Result<T, Error>;

src/error.rs

@@ -1,4 +1,4 @@
-use anyhow::Result;
+use crate::error::Result;
 use sqlx::MySqlPool;
 
 use super::{ColumnInfo, EnumInfo, SchemaInfo, TableInfo};

src/introspect/mysql.rs

@@ -1,4 +1,4 @@
-use anyhow::Result;
+use crate::error::Result;
 use sqlx::PgPool;
 
 use super::{ColumnInfo, CompositeTypeInfo, DomainInfo, EnumInfo, SchemaInfo, TableInfo};

src/introspect/postgres.rs

@@ -1,4 +1,4 @@
-use anyhow::Result;
+use crate::error::Result;
 use sqlx::SqlitePool;
 
 use super::{ColumnInfo, SchemaInfo, TableInfo};

src/introspect/sqlite.rs

@@ -1,5 +1,6 @@
 pub mod cli;
 pub mod codegen;
+pub mod error;
 pub mod introspect;
 pub mod typemap;
 pub mod writer;

src/lib.rs

@@ -1,4 +1,4 @@
-use anyhow::Result;
+use sqlx_gen::error::Result;
 use clap::Parser;
 use sqlx::{MySqlPool, PgPool, SqlitePool};
 

src/main.rs

@@ -1,6 +1,6 @@
 use std::path::Path;
 
-use anyhow::Result;
+use crate::error::Result;
 
 use crate::codegen::GeneratedFile;