feat: deprecate import assertions (#25281)

Co-authored-by: Bartek Iwańczuk <biwanczuk@gmail.com>

7 files changed, 6 insertions, 25 deletions

diff --git a/tests/specs/cache/json_import/main.ts b/tests/specs/cache/json_import/main.ts
index 78273558f..d7506963b 100644
--- a/tests/specs/cache/json_import/main.ts
+++ b/tests/specs/cache/json_import/main.ts
@@ -1,2 +1,2 @@
-import asdf from "./test.json" assert { type: "json" };
+import asdf from "./test.json" with { type: "json" };
 console.log(asdf);
diff --git a/tests/specs/run/ts_import_assertions/__test__.jsonc b/tests/specs/run/ts_import_assertions/__test__.jsonc
index dc5576bd1..5d8110ae2 100644
--- a/tests/specs/run/ts_import_assertions/__test__.jsonc
+++ b/tests/specs/run/ts_import_assertions/__test__.jsonc
@@ -3,10 +3,12 @@
     "assertion": {
       "steps": [{
         "args": "run assertion.ts",
+        "exitCode": 1,
         "output": "assertion.out"
       }, {
         // should output the same because the emit won't be cached
         "args": "run assertion.ts",
+        "exitCode": 1,
         "output": "assertion.out"
       }]
     },
diff --git a/tests/specs/run/ts_import_assertions/assertion.out b/tests/specs/run/ts_import_assertions/assertion.out
index 3cc900d64..3ca7ac8ae 100644
--- a/tests/specs/run/ts_import_assertions/assertion.out
+++ b/tests/specs/run/ts_import_assertions/assertion.out
@@ -1,14 +1,6 @@
-⚠️  Import assertions are deprecated. Use `with` keyword, instead of 'assert' keyword.
+error: Import assertions are deprecated. Use `with` keyword, instead of 'assert' keyword.
 
 import test from "./data.json" assert { type: "json" };
 
   at file:///[WILDLINE]/assertion.ts:1:1
 
-{ prop: "data" }
-⚠️  Import assertions are deprecated. Use `with` keyword, instead of 'assert' keyword.
-
-console.log((await import("./data.json", {
-
-  at file:///[WILDLINE]/assertion.ts:5:13
-
-{ prop: "data" }
diff --git a/tests/testdata/import_attributes/static_export.out b/tests/testdata/import_attributes/static_export.out
index d7e19c80f..41af79d7c 100644
--- a/tests/testdata/import_attributes/static_export.out
+++ b/tests/testdata/import_attributes/static_export.out
@@ -1,7 +1 @@
-⚠️  Import assertions are deprecated. Use `with` keyword, instead of 'assert' keyword.
-
-export { default } from "./data.json" assert { type: "json" };
-
-  at file:///[WILDLINE]
-
 { a: "b", c: { d: 10 } }
diff --git a/tests/testdata/import_attributes/static_import.out b/tests/testdata/import_attributes/static_import.out
index 85c75d3eb..e57dffa99 100644
--- a/tests/testdata/import_attributes/static_import.out
+++ b/tests/testdata/import_attributes/static_import.out
@@ -1,8 +1,2 @@
-⚠️  Import assertions are deprecated. Use `with` keyword, instead of 'assert' keyword.
-
-import data2 from "./data.json" assert { type: "json" };
-
-  at file:///[WILDLINE]
-
 { a: "b", c: { d: 10 } }
 { a: "b", c: { d: 10 } }
diff --git a/tests/testdata/import_attributes/static_import.ts b/tests/testdata/import_attributes/static_import.ts
index 1538a4a2f..f585b893f 100644
--- a/tests/testdata/import_attributes/static_import.ts
+++ b/tests/testdata/import_attributes/static_import.ts
@@ -1,6 +1,5 @@
 import data1 from "./data.json" with { type: "json" };
-// deno-lint-ignore no-import-assertions
-import data2 from "./data.json" assert { type: "json" };
+import data2 from "./data.json" with { type: "json" };
 
 console.log(data1);
 console.log(data2);
diff --git a/tests/testdata/import_attributes/static_reexport.ts b/tests/testdata/import_attributes/static_reexport.ts
index 81af428be..e6175691c 100644
--- a/tests/testdata/import_attributes/static_reexport.ts
+++ b/tests/testdata/import_attributes/static_reexport.ts
@@ -1 +1 @@
-export { default } from "./data.json" assert { type: "json" };
+export { default } from "./data.json" with { type: "json" };