diff --git a/src/core.rs b/src/core.rs
index f1ddc8b2..698aa1cd 100644
--- a/src/core.rs
+++ b/src/core.rs
@@ -1,6 +1,6 @@
 //! Key types and functions for creating actions, components, packages, and themes.
 
-use crate::util;
+use crate::util::TypeInfo;
 
 use std::any::Any;
 
@@ -8,7 +8,7 @@ use std::any::Any;
 pub trait AnyBase: Any {
     fn type_name(&self) -> &'static str;
 
-    fn single_name(&self) -> &'static str;
+    fn short_name(&self) -> &'static str;
 
     fn as_any_ref(&self) -> &dyn Any;
 
@@ -18,12 +18,12 @@ pub trait AnyBase: Any {
 impl<T: Any> AnyBase for T {
     #[inline(always)]
     fn type_name(&self) -> &'static str {
-        std::any::type_name::<T>()
+        TypeInfo::FullName.of::<T>()
     }
 
     #[inline(always)]
-    fn single_name(&self) -> &'static str {
-        util::single_type_name::<T>()
+    fn short_name(&self) -> &'static str {
+        TypeInfo::ShortName.of::<T>()
     }
 
     #[inline(always)]
diff --git a/src/core/component/context.rs b/src/core/component/context.rs
index ed47ff56..89ed78a0 100644
--- a/src/core/component/context.rs
+++ b/src/core/component/context.rs
@@ -1,13 +1,14 @@
 use crate::base::component::add_base_assets;
+use crate::concat_string;
 use crate::core::component::AnyOp;
-use crate::core::theme::all::{theme_by_single_name, THEME_DEFAULT};
+use crate::core::theme::all::{theme_by_short_name, THEME_DEFAULT};
 use crate::core::theme::{ComponentsInRegions, ThemeRef};
 use crate::html::{html, Markup};
 use crate::html::{Assets, HeadScript, HeadStyles, JavaScript, StyleSheet};
 use crate::html::{ClassesOp, OptionClasses, OptionId};
 use crate::locale::{LanguageIdentifier, LANGID_DEFAULT};
 use crate::service::HttpRequest;
-use crate::{concat_string, util};
+use crate::util::TypeInfo;
 
 use std::collections::HashMap;
 use std::str::FromStr;
@@ -78,7 +79,7 @@ impl Context {
                 self.langid = langid;
             }
             AssetsOp::Theme(theme_name) => {
-                self.theme = theme_by_single_name(theme_name).unwrap_or(*THEME_DEFAULT);
+                self.theme = theme_by_short_name(theme_name).unwrap_or(*THEME_DEFAULT);
             }
             AssetsOp::Layout(layout) => {
                 self.layout = layout;
@@ -199,7 +200,8 @@ impl Context {
         match id {
             Some(id) => id,
             None => {
-                let prefix = util::single_type_name::<T>()
+                let prefix = TypeInfo::ShortName
+                    .of::<T>()
                     .trim()
                     .replace(' ', "_")
                     .to_lowercase();
diff --git a/src/core/component/definition.rs b/src/core/component/definition.rs
index 6bf15cc1..e7452899 100644
--- a/src/core/component/definition.rs
+++ b/src/core/component/definition.rs
@@ -2,7 +2,8 @@ use crate::base::action;
 use crate::core::component::Context;
 use crate::core::AnyBase;
 use crate::html::{html, Markup, PrepareMarkup};
-use crate::{util, Weight};
+use crate::util::TypeInfo;
+use crate::Weight;
 
 pub trait ComponentBase {
     fn render(&mut self, cx: &mut Context) -> Markup;
@@ -13,8 +14,8 @@ pub trait ComponentTrait: AnyBase + ComponentBase + Send + Sync {
     where
         Self: Sized;
 
-    fn name(&self) -> String {
-        util::single_type_name::<Self>().to_owned()
+    fn name(&self) -> &'static str {
+        TypeInfo::ShortName.of::<Self>()
     }
 
     fn description(&self) -> Option<String> {
diff --git a/src/core/package/definition.rs b/src/core/package/definition.rs
index 0d02b2a7..bf3deab8 100644
--- a/src/core/package/definition.rs
+++ b/src/core/package/definition.rs
@@ -12,7 +12,7 @@ pub type PackageRef = &'static dyn PackageTrait;
 /// Los paquetes deben implementar este *trait*.
 pub trait PackageTrait: AnyBase + Send + Sync {
     fn name(&self) -> L10n {
-        L10n::n(self.single_name())
+        L10n::n(self.short_name())
     }
 
     fn description(&self) -> L10n {
diff --git a/src/core/theme/all.rs b/src/core/theme/all.rs
index 51e9a556..d0fede7f 100644
--- a/src/core/theme/all.rs
+++ b/src/core/theme/all.rs
@@ -11,20 +11,20 @@ pub static THEMES: LazyStatic<RwLock<Vec<ThemeRef>>> = LazyStatic::new(|| RwLock
 // DEFAULT THEME ***********************************************************************************
 
 pub static THEME_DEFAULT: LazyStatic<ThemeRef> =
-    LazyStatic::new(|| match theme_by_single_name(&config::SETTINGS.app.theme) {
+    LazyStatic::new(|| match theme_by_short_name(&config::SETTINGS.app.theme) {
         Some(theme) => theme,
         None => &crate::base::theme::Inception,
     });
 
 // THEME BY NAME ***********************************************************************************
 
-pub fn theme_by_single_name(single_name: &str) -> Option<ThemeRef> {
-    let single_name = single_name.to_lowercase();
+pub fn theme_by_short_name(short_name: &str) -> Option<ThemeRef> {
+    let short_name = short_name.to_lowercase();
     match THEMES
         .read()
         .unwrap()
         .iter()
-        .find(|t| t.single_name().to_lowercase() == single_name)
+        .find(|t| t.short_name().to_lowercase() == short_name)
     {
         Some(theme) => Some(*theme),
         _ => None,
diff --git a/src/db.rs b/src/db.rs
index 58730818..dd657b54 100644
--- a/src/db.rs
+++ b/src/db.rs
@@ -1,5 +1,6 @@
 //! Database access.
 
+use crate::util::TypeInfo;
 use crate::{config, trace, LazyStatic};
 
 pub use url::Url as DbUri;
@@ -148,21 +149,14 @@ pub async fn exec_raw(stmt: String) -> Result<ExecResult, DbErr> {
 mod migration;
 pub use migration::prelude::*;
 
-pub type MigrationItem = Box<dyn MigrationTrait>;
-
-#[macro_export]
-macro_rules! new_migration {
-    ( $migration:ident ) => {
-        pub struct $migration;
-
-        impl MigrationName for $migration {
-            fn name(&self) -> &str {
-                $crate::util::partial_type_name(module_path!(), 1)
-            }
-        }
-    };
+impl<M: MigrationTrait> MigrationName for M {
+    fn name(&self) -> &str {
+        TypeInfo::NameTo(-2).of::<M>()
+    }
 }
 
+pub type MigrationItem = Box<dyn MigrationTrait>;
+
 #[macro_export]
 macro_rules! migrations {
     () => {
diff --git a/src/prelude.rs b/src/prelude.rs
index 7ad1ab5a..80e9e5a8 100644
--- a/src/prelude.rs
+++ b/src/prelude.rs
@@ -37,7 +37,7 @@ pub use crate::locale::*;
 pub use crate::datetime::*;
 
 #[cfg(feature = "database")]
-pub use crate::{db, db::*, migrations, new_migration};
+pub use crate::{db, db::*, migrations};
 
 pub use crate::service;
 pub use crate::service::{HttpMessage, HttpRequest};
diff --git a/src/util.rs b/src/util.rs
index a8438399..12a0cb37 100644
--- a/src/util.rs
+++ b/src/util.rs
@@ -5,25 +5,86 @@ use crate::trace;
 use std::io;
 use std::path::PathBuf;
 
+pub enum TypeInfo {
+    FullName,
+    ShortName,
+    NameFrom(isize),
+    NameTo(isize),
+    PartialName(isize, isize),
+}
+
+impl TypeInfo {
+    pub fn of<T: ?Sized>(&self) -> &'static str {
+        let type_name = std::any::type_name::<T>();
+        match self {
+            TypeInfo::FullName => type_name,
+            TypeInfo::ShortName => Self::partial(type_name, -1, None),
+            TypeInfo::NameFrom(start) => Self::partial(type_name, *start, None),
+            TypeInfo::NameTo(end) => Self::partial(type_name, 0, Some(*end)),
+            TypeInfo::PartialName(start, end) => Self::partial(type_name, *start, Some(*end)),
+        }
+    }
+
+    fn partial(type_name: &'static str, start: isize, end: Option<isize>) -> &'static str {
+        let maxlen = type_name.len();
+        let mut segments = Vec::new();
+        let mut segment_start = 0; // Start position of the current segment.
+        let mut angle_brackets = 0; // Counter for tracking '<' and '>'.
+        let mut previous_char = '\0'; // Initializes to a null character, no previous character.
+
+        for (idx, c) in type_name.char_indices() {
+            match c {
+                ':' if angle_brackets == 0 => {
+                    if previous_char == ':' {
+                        if segment_start < idx - 1 {
+                            segments.push((segment_start, idx - 1)); // Do not include last '::'.
+                        }
+                        segment_start = idx + 1; // Next segment starts after '::'.
+                    }
+                }
+                '<' => angle_brackets += 1,
+                '>' => angle_brackets -= 1,
+                _ => {}
+            }
+            previous_char = c;
+        }
+
+        // Include the last segment if there's any.
+        if segment_start < maxlen {
+            segments.push((segment_start, maxlen));
+        }
+
+        // Calculates the start position.
+        let start_pos = segments
+            .get(if start >= 0 {
+                start as usize
+            } else {
+                segments.len() - start.abs() as usize
+            })
+            .map_or(0, |&(s, _)| s);
+
+        // Calculates the end position.
+        let end_pos = segments
+            .get(if let Some(end) = end {
+                if end >= 0 {
+                    end as usize
+                } else {
+                    segments.len() - end.abs() as usize
+                }
+            } else {
+                segments.len() - 1
+            })
+            .map_or(maxlen, |&(_, e)| e);
+
+        // Returns the partial string based on the calculated positions.
+        &type_name[start_pos..end_pos]
+    }
+}
+
 // *************************************************************************************************
 // FUNCTIONS HELPERS.
 // *************************************************************************************************
 
-pub fn partial_type_name(type_name: &'static str, last: usize) -> &'static str {
-    if last == 0 {
-        return type_name;
-    }
-    let positions: Vec<_> = type_name.rmatch_indices("::").collect();
-    if positions.len() < last {
-        return type_name;
-    }
-    &type_name[(positions[last - 1].0 + 2)..]
-}
-
-pub fn single_type_name<T: ?Sized>() -> &'static str {
-    partial_type_name(std::any::type_name::<T>(), 1)
-}
-
 pub fn absolute_dir(
     root_path: impl Into<String>,
     relative_path: impl Into<String>,