From 56d0d612d50ade34d89cbba1c4cda0ccbfc7da08 Mon Sep 17 00:00:00 2001
From: GearsDatapacks <surya@seriousinfinitude.com>
Date: Tue, 19 Nov 2024 21:12:06 +0000
Subject: [PATCH] Use target instead of string

---
 compiler-core/src/parse.rs   |  4 +--
 compiler-core/src/warning.rs | 66 +++++++++++++++++++++---------------
 2 files changed, 41 insertions(+), 29 deletions(-)

diff --git a/compiler-core/src/parse.rs b/compiler-core/src/parse.rs
index 3eef936b7b2..eeebc00a015 100644
--- a/compiler-core/src/parse.rs
+++ b/compiler-core/src/parse.rs
@@ -3298,7 +3298,7 @@ functions are declared separately from types.";
                     self.warnings
                         .push(DeprecatedSyntaxWarning::DeprecatedTargetShorthand {
                             location: SrcSpan { start, end },
-                            full_name: "javascript",
+                            target: Target::JavaScript,
                         });
                     Ok(Target::JavaScript)
                 }
@@ -3306,7 +3306,7 @@ functions are declared separately from types.";
                     self.warnings
                         .push(DeprecatedSyntaxWarning::DeprecatedTargetShorthand {
                             location: SrcSpan { start, end },
-                            full_name: "erlang",
+                            target: Target::Erlang,
                         });
                     Ok(Target::Erlang)
                 }
diff --git a/compiler-core/src/warning.rs b/compiler-core/src/warning.rs
index ff3109182a9..4031c77640b 100644
--- a/compiler-core/src/warning.rs
+++ b/compiler-core/src/warning.rs
@@ -1,5 +1,6 @@
 use crate::{
     ast::{SrcSpan, TodoKind},
+    build::Target,
     diagnostic::{self, Diagnostic, Location},
     error::wrap,
     type_::{
@@ -167,7 +168,9 @@ pub enum Warning {
 pub enum DeprecatedSyntaxWarning {
     /// If someone uses the deprecated syntax to append to a list:
     /// `["a"..rest]`, notice how there's no comma!
-    DeprecatedListPrepend { location: SrcSpan },
+    DeprecatedListPrepend {
+        location: SrcSpan,
+    },
 
     /// If someone uses the deprecated syntax to pattern match on a list:
     /// ```gleam
@@ -178,7 +181,9 @@ pub enum DeprecatedSyntaxWarning {
     /// }
     /// ```
     ///
-    DeprecatedListPattern { location: SrcSpan },
+    DeprecatedListPattern {
+        location: SrcSpan,
+    },
 
     /// If someone uses the deprecated syntax to match on all lists instead of
     /// a common `_`:
@@ -190,7 +195,9 @@ pub enum DeprecatedSyntaxWarning {
     /// }
     /// ```
     ///
-    DeprecatedListCatchAllPattern { location: SrcSpan },
+    DeprecatedListCatchAllPattern {
+        location: SrcSpan,
+    },
 
     /// If a record pattern has a spread that is not preceded by a comma:
     /// ```gleam
@@ -200,10 +207,12 @@ pub enum DeprecatedSyntaxWarning {
     /// }
     /// ```
     ///
-    DeprecatedRecordSpreadPattern { location: SrcSpan },
+    DeprecatedRecordSpreadPattern {
+        location: SrcSpan,
+    },
 
     DeprecatedTargetShorthand {
-        full_name: &'static str,
+        target: Target,
         location: SrcSpan,
     },
 }
@@ -319,28 +328,31 @@ To match on all possible lists, use the `_` catch-all pattern instead.",
             Warning::DeprecatedSyntax {
                 path,
                 src,
-                warning:
-                    DeprecatedSyntaxWarning::DeprecatedTargetShorthand {
-                        location,
-                        full_name,
-                    },
-            } => Diagnostic {
-                title: "Deprecated target shorthand syntax".into(),
-                text: wrap(&format!(
-                    "This shorthand target name is deprecated. Use the full name: `{full_name}` instead."
-                )),
-                hint: None,
-                level: diagnostic::Level::Warning,
-                location: Some(Location {
-                    label: diagnostic::Label {
-                        text: Some(format!("This should be replaced with `{full_name}`")),
-                        span: *location,
-                    },
-                    path: path.clone(),
-                    src: src.clone(),
-                    extra_labels: vec![],
-                }),
-            },
+                warning: DeprecatedSyntaxWarning::DeprecatedTargetShorthand { location, target },
+            } => {
+                let full_name = match target {
+                    Target::Erlang => "erlang",
+                    Target::JavaScript => "javascript",
+                };
+
+                Diagnostic {
+                    title: "Deprecated target shorthand syntax".into(),
+                    text: wrap(&format!(
+                        "This shorthand target name is deprecated. Use the full name: `{full_name}` instead."
+                    )),
+                    hint: None,
+                    level: diagnostic::Level::Warning,
+                    location: Some(Location {
+                        label: diagnostic::Label {
+                            text: Some(format!("This should be replaced with `{full_name}`")),
+                            span: *location,
+                        },
+                        path: path.clone(),
+                        src: src.clone(),
+                        extra_labels: vec![],
+                    }),
+                }
+            }
 
             Self::Type { path, warning, src } => match warning {
                 type_::Warning::Todo {