Extracted library error codes.

Cargo.toml

@@ -3,7 +3,5 @@ name = "minigraf"
 version = "0.1.0"
 edition = "2021"
 
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-
 [dependencies]
 graphql-parser = "0.4.0"

src/error_codes.rs

@@ -0,0 +1,2 @@
+pub const ERROR_INVALID_SCHEMA: i32 = 1;
+pub const ERROR_INVALID_QUERY: i32 = 2;

src/lib.rs

@@ -1,15 +1,12 @@
 use graphql_parser::query;
 use graphql_parser::schema;
 
-pub mod error_codes {
- pub const ERROR_SCHEMA_INVALID: i32 = 1;
- pub const ERROR_QUERY_INVALID: i32 = 2;
-}
+pub mod error_codes;
 
 pub fn load_schema(schema: &str) -> schema::Document<String> {
  let schema = schema::parse_schema::<String>(schema).unwrap_or_else(|err| {
  eprintln!("Error parsing schema: {}", err);
- std::process::exit(error_codes::ERROR_SCHEMA_INVALID);
+ std::process::exit(error_codes::ERROR_INVALID_SCHEMA);
  });
  dbg!("schema: {:#?}", &schema);
 
@@ -19,7 +16,7 @@ pub fn load_schema(schema: &str) -> schema::Document<String> {
 pub fn parse_query(query: &str) -> query::Document<String> {
  let query = query::parse_query::<String>(query).unwrap_or_else(|err| {
  eprintln!("Error parsing query: {}", err);
- std::process::exit(error_codes::ERROR_QUERY_INVALID);
+ std::process::exit(error_codes::ERROR_INVALID_QUERY);
  });
  dbg!("query: {:#?}", &query);
 

src/main.rs

@@ -9,12 +9,12 @@ fn main() {
  // Read the schema file and parse it into a schema object.
  let schema_file = fs::read_to_string(schema_file).unwrap_or_else(|err| {
  eprintln!("Error reading schema file: {}", err);
- process::exit(error_codes::ERROR_SCHEMA_FILE_INVALID);
+ process::exit(error_codes::ERROR_INVALID_SCHEMA_FILE);
  });
 
  minigraf::load_schema(&schema_file);
 }
 
 mod error_codes {
- pub const ERROR_SCHEMA_FILE_INVALID: i32 = 0x100;
+ pub const ERROR_INVALID_SCHEMA_FILE: i32 = -1;
 }