feat: Add support for import and export assertions.

Author: dsherret

Cargo.toml

@@ -2,7 +2,7 @@
 name = "dprint-plugin-typescript"
 description = "TypeScript and JavaScript code formatter."
 keywords = ["formatting", "formatter", "typescript", "javascript"]
-version = "0.40.0"
+version = "0.40.1"
 authors = ["David Sherret <[email protected]>"]
 edition = "2018"
 license = "MIT"
@@ -28,10 +28,10 @@ dprint-core = { version = "0.35.1", features = ["formatting"] }
 fnv = "1.0.3"
 swc_common = "0.10.9"
 swc_ecmascript = { version = "0.20.0", features = ["parser"] }
-swc_ast_view = { version = "0.7.0", package = "dprint-swc-ecma-ast-view" }
+swc_ast_view = { version = "0.8.0", package = "dprint-swc-ecma-ast-view" }
 serde = { version = "1.0.118", features = ["derive"] }
 serde_json = { version = "1.0", optional = true }
 
 [dev-dependencies]
-dprint-development = "0.2.2"
+dprint-development = "0.2.6"
 debug-here = "0.2"

src/parsing/parser.rs

@@ -867,6 +867,11 @@ fn parse_export_named_decl<'a>(node: &'a NamedExport, context: &mut Context<'a>)
         items.extend(parse_node(src.into(), context));
     }
 
+    if let Some(asserts) = node.asserts {
+        items.push_str(" assert ");
+        items.extend(parse_node(asserts.into(), context));
+    }
+
     if context.config.semi_colons.is_true() {
         items.push_str(";");
     }
@@ -1028,6 +1033,11 @@ fn parse_import_decl<'a>(node: &'a ImportDecl, context: &mut Context<'a>) -> Pri
 
     items.extend(parse_node(node.src.into(), context));
 
+    if let Some(asserts) = node.asserts {
+        items.push_str(" assert ");
+        items.extend(parse_node(asserts.into(), context));
+    }
+
     if context.config.semi_colons.is_true() {
         items.push_str(";");
     }
@@ -3209,6 +3219,11 @@ fn parse_export_all<'a>(node: &'a ExportAll, context: &mut Context<'a>) -> Print
     items.push_str("export * from ");
     items.extend(parse_node(node.src.into(), context));
 
+    if let Some(asserts) = node.asserts {
+        items.push_str(" assert ");
+        items.extend(parse_node(asserts.into(), context));
+    }
+
     if context.config.semi_colons.is_true() {
         items.push_str(";");
     }

src/swc/parse_swc_ast.rs

@@ -47,6 +47,7 @@ fn parse_inner(file_path: &Path, file_text: &str) -> Result<ParsedSourceFile, St
         ts_config.tsx = should_parse_as_jsx(file_path);
         ts_config.dynamic_import = true;
         ts_config.decorators = true;
+        ts_config.import_assertions = true;
         let lexer = Lexer::new(
             Syntax::Typescript(ts_config),
             JscTarget::Es2019,

tests/specs/declarations/export/ExportAllDeclaration_All.txt

@@ -0,0 +1,16 @@
+~~ lineWidth: 50 ~~
+== should format ==
+export  *  from   "test"  ;
+
+[expect]
+export * from "test";
+
+== should format assertions ==
+export * from "a" assert {type: "json"};
+export * from "testingtesttest" assert { type: "json" };
+
+[expect]
+export * from "a" assert { type: "json" };
+export * from "testingtesttest" assert {
+    type: "json",
+};

tests/specs/statements/exportAllDeclaration/ExportAllDeclaration_SemiColons_Asi.txt renamed to tests/specs/declarations/export/ExportAllDeclaration_SemiColons_Asi.txt

@@ -139,3 +139,18 @@ export * from "./a";
 export {} from "./a";
 export * from "./b";
 export {} from "./b";
+
+== should format assertions ==
+export { } from "a" assert {a: "a"};
+export { asdf } from "test" assert { type: "json" };
+export { n1, n2, n3, n4 } from "test" assert { type: "json" };
+
+[expect]
+export {} from "a" assert { a: "a" };
+export { asdf } from "test" assert { type: "json" };
+export {
+    n1,
+    n2,
+    n3,
+    n4,
+} from "test" assert { type: "json" };

tests/specs/declarations/export/ExportNamedDeclaration_All.txt

@@ -138,3 +138,13 @@ import { a } from "test";
 import {
     b, // test
 } from "test";
+
+== should support import assertions ==
+import test from "a" assert {type: "json"};
+import asdf from "testing.json" assert {type:"json"};
+
+[expect]
+import test from "a" assert { type: "json" };
+import asdf from "testing.json" assert {
+    type: "json",
+};