feat: support import attributes (#20342)

17 files changed, 68 insertions, 0 deletions

diff --git a/cli/tests/testdata/import_attributes/data.json b/cli/tests/testdata/import_attributes/data.json
new file mode 100644
index 000000000..37b3ee1e0
--- /dev/null
+++ b/cli/tests/testdata/import_attributes/data.json
@@ -0,0 +1,6 @@
+{
+  "a": "b",
+  "c": {
+    "d": 10
+  }
+}
diff --git a/cli/tests/testdata/import_attributes/dynamic_error.out b/cli/tests/testdata/import_attributes/dynamic_error.out
new file mode 100644
index 000000000..927eae0b8
--- /dev/null
+++ b/cli/tests/testdata/import_attributes/dynamic_error.out
@@ -0,0 +1,5 @@
+[WILDCARD]
+error: Uncaught (in promise) TypeError: Expected a "JavaScriptOrWasm" module but loaded a "JSON" module.
+const data = await import("./data.json");
+             ^
+    at async [WILDCARD]dynamic_error.ts:1:14
diff --git a/cli/tests/testdata/import_attributes/dynamic_error.ts b/cli/tests/testdata/import_attributes/dynamic_error.ts
new file mode 100644
index 000000000..2d9c6757f
--- /dev/null
+++ b/cli/tests/testdata/import_attributes/dynamic_error.ts
@@ -0,0 +1,3 @@
+const data = await import("./data.json");
+
+console.log(data);
diff --git a/cli/tests/testdata/import_attributes/dynamic_import.out b/cli/tests/testdata/import_attributes/dynamic_import.out
new file mode 100644
index 000000000..01bc76c8a
--- /dev/null
+++ b/cli/tests/testdata/import_attributes/dynamic_import.out
@@ -0,0 +1,3 @@
+[WILDCARD]
+[Module: null prototype] { default: { a: "b", c: { d: 10 } } }
+[Module: null prototype] { default: { a: "b", c: { d: 10 } } }
diff --git a/cli/tests/testdata/import_attributes/dynamic_import.ts b/cli/tests/testdata/import_attributes/dynamic_import.ts
new file mode 100644
index 000000000..73f348697
--- /dev/null
+++ b/cli/tests/testdata/import_attributes/dynamic_import.ts
@@ -0,0 +1,5 @@
+const data1 = await import("./data.json", { with: { type: "json" } });
+const data2 = await import("./data.json", { assert: { type: "json" } });
+
+console.log(data1);
+console.log(data2);
diff --git a/cli/tests/testdata/import_attributes/json_with_shebang.json b/cli/tests/testdata/import_attributes/json_with_shebang.json
new file mode 100644
index 000000000..b695e4457
--- /dev/null
+++ b/cli/tests/testdata/import_attributes/json_with_shebang.json
@@ -0,0 +1,4 @@
+#!/usr/env -S deno run
+{
+  "test": null
+}
diff --git a/cli/tests/testdata/import_attributes/json_with_shebang.ts b/cli/tests/testdata/import_attributes/json_with_shebang.ts
new file mode 100644
index 000000000..523bf8772
--- /dev/null
+++ b/cli/tests/testdata/import_attributes/json_with_shebang.ts
@@ -0,0 +1,3 @@
+import json from "./json_with_shebang.json" assert { type: "json" };
+
+console.log(json);
diff --git a/cli/tests/testdata/import_attributes/json_with_shebang.ts.out b/cli/tests/testdata/import_attributes/json_with_shebang.ts.out
new file mode 100644
index 000000000..23eb03720
--- /dev/null
+++ b/cli/tests/testdata/import_attributes/json_with_shebang.ts.out
@@ -0,0 +1 @@
+error: Uncaught SyntaxError: Unexpected token '#', "#!/usr/env"... is not valid JSON
diff --git a/cli/tests/testdata/import_attributes/static_error.out b/cli/tests/testdata/import_attributes/static_error.out
new file mode 100644
index 000000000..171ae0c1a
--- /dev/null
+++ b/cli/tests/testdata/import_attributes/static_error.out
@@ -0,0 +1,4 @@
+[WILDCARD]
+error: Expected a JavaScript or TypeScript module, but identified a Json module. Consider importing Json modules with an import attribute with the type of "json".
+  Specifier: [WILDCARD]/data.json
+    at [WILDCARD]static_error.ts:1:18
diff --git a/cli/tests/testdata/import_attributes/static_error.ts b/cli/tests/testdata/import_attributes/static_error.ts
new file mode 100644
index 000000000..0bc3a93f8
--- /dev/null
+++ b/cli/tests/testdata/import_attributes/static_error.ts
@@ -0,0 +1,3 @@
+import data from "./data.json";
+
+console.log(data);
diff --git a/cli/tests/testdata/import_attributes/static_export.out b/cli/tests/testdata/import_attributes/static_export.out
new file mode 100644
index 000000000..42fbc066c
--- /dev/null
+++ b/cli/tests/testdata/import_attributes/static_export.out
@@ -0,0 +1,2 @@
+[WILDCARD]
+{ a: "b", c: { d: 10 } }
diff --git a/cli/tests/testdata/import_attributes/static_export.ts b/cli/tests/testdata/import_attributes/static_export.ts
new file mode 100644
index 000000000..ac3ee694f
--- /dev/null
+++ b/cli/tests/testdata/import_attributes/static_export.ts
@@ -0,0 +1,3 @@
+import data from "./static_reexport.ts";
+
+console.log(data);
diff --git a/cli/tests/testdata/import_attributes/static_import.out b/cli/tests/testdata/import_attributes/static_import.out
new file mode 100644
index 000000000..b3b71cd8f
--- /dev/null
+++ b/cli/tests/testdata/import_attributes/static_import.out
@@ -0,0 +1,3 @@
+[WILDCARD]
+{ a: "b", c: { d: 10 } }
+{ a: "b", c: { d: 10 } }
diff --git a/cli/tests/testdata/import_attributes/static_import.ts b/cli/tests/testdata/import_attributes/static_import.ts
new file mode 100644
index 000000000..d46d93b4a
--- /dev/null
+++ b/cli/tests/testdata/import_attributes/static_import.ts
@@ -0,0 +1,5 @@
+import data1 from "./data.json" with { type: "json" };
+import data2 from "./data.json" assert { type: "json" };
+
+console.log(data1);
+console.log(data2);
diff --git a/cli/tests/testdata/import_attributes/static_reexport.ts b/cli/tests/testdata/import_attributes/static_reexport.ts
new file mode 100644
index 000000000..81af428be
--- /dev/null
+++ b/cli/tests/testdata/import_attributes/static_reexport.ts
@@ -0,0 +1 @@
+export { default } from "./data.json" assert { type: "json" };
diff --git a/cli/tests/testdata/import_attributes/type_check.out b/cli/tests/testdata/import_attributes/type_check.out
new file mode 100644
index 000000000..5ecdec82d
--- /dev/null
+++ b/cli/tests/testdata/import_attributes/type_check.out
@@ -0,0 +1,12 @@
+Check file:///[WILDCARD]/type_check.ts
+error: TS2339 [ERROR]: Property 'foo' does not exist on type '{ a: string; c: { d: number; }; }'.
+console.log(data1.foo);
+                  ~~~
+    at [WILDCARD]type_check.ts:4:19
+
+TS2339 [ERROR]: Property 'foo' does not exist on type '{ a: string; c: { d: number; }; }'.
+console.log(data2.foo);
+                  ~~~
+    at [WILDCARD]type_check.ts:5:19
+
+Found 2 errors.
diff --git a/cli/tests/testdata/import_attributes/type_check.ts b/cli/tests/testdata/import_attributes/type_check.ts
new file mode 100644
index 000000000..ddf28e67a
--- /dev/null
+++ b/cli/tests/testdata/import_attributes/type_check.ts
@@ -0,0 +1,5 @@
+import data1 from "./data.json" with { type: "json" };
+import data2 from "./data.json" assert { type: "json" };
+
+console.log(data1.foo);
+console.log(data2.foo);