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// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
use deno_core::error::generic_error;use deno_core::error::type_error;use deno_core::error::AnyError;use deno_core::url::Url;
pub fn err_invalid_module_specifier(  request: &str,  reason: &str,  maybe_base: Option<String>,) -> AnyError {  let mut msg = format!(    "[ERR_INVALID_MODULE_SPECIFIER] Invalid module \"{}\" {}",    request, reason  );
  if let Some(base) = maybe_base {    msg = format!("{} imported from {}", msg, base);  }
  type_error(msg)}
#[allow(unused)]pub fn err_invalid_package_config(  path: &str,  maybe_base: Option<String>,  maybe_message: Option<String>,) -> AnyError {  let mut msg = format!(    "[ERR_INVALID_PACKAGE_CONFIG] Invalid package config {}",    path  );
  if let Some(base) = maybe_base {    msg = format!("{} while importing {}", msg, base);  }
  if let Some(message) = maybe_message {    msg = format!("{}. {}", msg, message);  }
  generic_error(msg)}
#[allow(unused)]pub fn err_module_not_found(path: &str, base: &str, typ: &str) -> AnyError {  generic_error(format!(    "[ERR_MODULE_NOT_FOUND] Cannot find {} \"{}\" imported from \"{}\"",    typ, path, base  ))}
pub fn err_invalid_package_target(  pkg_path: String,  key: String,  target: String,  is_import: bool,  maybe_referrer: Option<String>,) -> AnyError {  let rel_error = !is_import && !target.is_empty() && !target.starts_with("./");  let mut msg = "[ERR_INVALID_PACKAGE_TARGET]".to_string();
  if key == "." {    assert!(!is_import);    msg = format!("{} Invalid \"exports\" main target {} defined in the package config {}package.json", msg, target, pkg_path)  } else {    let ie = if is_import { "imports" } else { "exports" };    msg = format!("{} Invalid \"{}\" target {} defined for '{}' in the package config {}package.json", msg, ie, target, key, pkg_path)  };
  if let Some(base) = maybe_referrer {    msg = format!("{} imported from {}", msg, base);  };  if rel_error {    msg = format!("{}; target must start with \"./\"", msg);  }
  generic_error(msg)}
pub fn err_package_path_not_exported(  mut pkg_path: String,  subpath: String,  maybe_referrer: Option<String>,) -> AnyError {  let mut msg = "[ERR_PACKAGE_PATH_NOT_EXPORTED]".to_string();
  #[cfg(windows)]  {    if !pkg_path.ends_with('\\') {      pkg_path.push('\\');    }  }  #[cfg(not(windows))]  {    if !pkg_path.ends_with('/') {      pkg_path.push('/');    }  }
  if subpath == "." {    msg = format!(      "{} No \"exports\" main defined in '{}package.json'",      msg, pkg_path    );  } else {    msg = format!("{} Package subpath '{}' is not defined by \"exports\" in '{}package.json'", msg, subpath, pkg_path);  };
  if let Some(referrer) = maybe_referrer {    msg = format!("{} imported from '{}'", msg, referrer);  }
  generic_error(msg)}
pub fn err_package_import_not_defined(  specifier: &str,  package_path: Option<String>,  base: &str,) -> AnyError {  let mut msg = format!(    "[ERR_PACKAGE_IMPORT_NOT_DEFINED] Package import specifier \"{}\" is not defined in",    specifier  );
  if let Some(package_path) = package_path {    msg = format!("{} in package {}package.json", msg, package_path);  }
  msg = format!("{} imported from {}", msg, base);
  type_error(msg)}
pub fn err_unsupported_dir_import(path: &str, base: &str) -> AnyError {  generic_error(format!("[ERR_UNSUPPORTED_DIR_IMPORT] Directory import '{}' is not supported resolving ES modules imported from {}", path, base))}
pub fn err_unsupported_esm_url_scheme(url: &Url) -> AnyError {  let mut msg =    "[ERR_UNSUPPORTED_ESM_URL_SCHEME] Only file and data URLS are supported by the default ESM loader"      .to_string();
  if cfg!(window) && url.scheme().len() == 2 {    msg = format!(      "{}. On Windows, absolute path must be valid file:// URLs",      msg    );  }
  msg = format!("{}. Received protocol '{}'", msg, url.scheme());  generic_error(msg)}