feat: support for tuple types

closes [feature request] Tuples #43

Author: AnthonyMichaelTDM

src/typescript.rs

@@ -176,6 +176,26 @@ pub fn convert_type(ty: &syn::Type) -> TsType {
                 "unknown".to_owned().into()
             }
         }
+        syn::Type::Tuple(t) => {
+            let types = t
+                .elems
+                .iter()
+                .map(|elem| convert_type(elem))
+                .map(|ty| {
+                    if ty.is_optional {
+                        format!("{} | undefined", ty.ts_type)
+                    } else {
+                        ty.ts_type
+                    }
+                })
+                .collect::<Vec<String>>()
+                .join(", ");
+
+            TsType {
+                ts_type: format!("[{}]", types),
+                is_optional: false,
+            }
+        }
         _ => "unknown".to_owned().into(),
     }
 }

test/issue-43/rust.rs

@@ -1,14 +1,13 @@
-// #[tsync]
-// struct HasTuple1 {
-//     foo: i32,
-//     bar: Option<(String, i32)>,
-// }
-
-// #[tsync]
-// struct HasTuple2 {
-//     foo: i32,
-//     bar: (String, i32),
-// }
+#[tsync]
+struct HasTuple {
+    foo: i32,
+    bar: Option<(String, i32)>,
+    baz: (String, i32),
+    zip: (i32, String, (String, (i32, i32))),
+    qux: (Option<String>, (i32, String)),
+    ping: (i32, String, Option<(String, (i32, i32))>),
+    pong: Option<(i32, String, Option<(String, Option<(i32, i32)>)>)>,
+}
 
 #[tsync]
 struct IsTuple(i32, String);

test/issue-43/typescript.d.ts

@@ -1,5 +1,15 @@
 /* This file is generated and managed by tsync */
 
+interface HasTuple {
+  foo: number;
+  bar?: [string, number];
+  baz: [string, number];
+  zip: [number, string, [string, [number, number]]];
+  qux: [string | undefined, [number, string]];
+  ping: [number, string, [string, [number, number]] | undefined];
+  pong?: [number, string, [string, [number, number] | undefined] | undefined];
+}
+
 type IsTuple = [ number, string ]
 
-type IsTupleComplex = [ number, string, unknown ]
+type IsTupleComplex = [ number, string, [string, [number, number]] ]

test/issue-43/typescript.ts

@@ -1,5 +1,15 @@
 /* This file is generated and managed by tsync */
 
+export interface HasTuple {
+  foo: number;
+  bar?: [string, number];
+  baz: [string, number];
+  zip: [number, string, [string, [number, number]]];
+  qux: [string | undefined, [number, string]];
+  ping: [number, string, [string, [number, number]] | undefined];
+  pong?: [number, string, [string, [number, number] | undefined] | undefined];
+}
+
 export type IsTuple = [ number, string ]
 
-export type IsTupleComplex = [ number, string, unknown ]
+export type IsTupleComplex = [ number, string, [string, [number, number]] ]

test/test_all.sh

@@ -8,8 +8,9 @@ cd $SCRIPT_DIR
 ./struct/tsync.sh
 ./type/tsync.sh
 ./const/tsync.sh
-./const_enum/tsync.sh
+./const_enum_numeric/tsync.sh
 ./enum/tsync.sh
 ./enum_numeric/tsync.sh
 ./doc_comments/tsync.sh
 ./generic/tsync.sh
+./issue-43/tsync.sh