diff --git a/atoms/Cargo.toml b/atoms/Cargo.toml
index b0f72bdca06..3732fd3fe0a 100644
--- a/atoms/Cargo.toml
+++ b/atoms/Cargo.toml
@@ -7,7 +7,7 @@ edition = "2018"
 license = "Apache-2.0/MIT"
 name = "swc_atoms"
 repository = "https://github.com/swc-project/swc.git"
-version = "0.2.2"
+version = "0.2.3"
 
 [dependencies]
 string_cache = "0.8"
diff --git a/atoms/words.txt b/atoms/words.txt
index 32dc006c50a..33964242bce 100644
--- a/atoms/words.txt
+++ b/atoms/words.txt
@@ -577,6 +577,7 @@ any
 apply
 arguments
 as
+assert
 asserts
 async
 await
diff --git a/bundler/Cargo.toml b/bundler/Cargo.toml
index 80b21334c05..ea010f8b21b 100644
--- a/bundler/Cargo.toml
+++ b/bundler/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2018"
 license = "Apache-2.0/MIT"
 name = "swc_bundler"
 repository = "https://github.com/swc-project/swc.git"
-version = "0.7.4"
+version = "0.8.0"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 [features]
@@ -27,12 +27,12 @@ relative-path = "1.2"
 retain_mut = "=0.1.1"
 swc_atoms = {version = "0.2", path = "../atoms"}
 swc_common = {version = "0.10.0", path = "../common"}
-swc_ecma_ast = {version = "0.31.0", path = "../ecmascript/ast"}
-swc_ecma_codegen = {version = "0.35.0", path = "../ecmascript/codegen"}
-swc_ecma_parser = {version = "0.37.0", path = "../ecmascript/parser"}
-swc_ecma_transforms = {version = "0.23.1", path = "../ecmascript/transforms"}
-swc_ecma_utils = {version = "0.21.0", path = "../ecmascript/utils"}
-swc_ecma_visit = {version = "0.17.0", path = "../ecmascript/visit"}
+swc_ecma_ast = {version = "0.32.0", path = "../ecmascript/ast"}
+swc_ecma_codegen = {version = "0.36.0", path = "../ecmascript/codegen"}
+swc_ecma_parser = {version = "0.38.0", path = "../ecmascript/parser"}
+swc_ecma_transforms = {version = "0.24.0", path = "../ecmascript/transforms"}
+swc_ecma_utils = {version = "0.22.0", path = "../ecmascript/utils"}
+swc_ecma_visit = {version = "0.18.0", path = "../ecmascript/visit"}
 
 [dev-dependencies]
 testing = {version = "0.10.0", path = "../testing"}
diff --git a/bundler/src/bundler/import/mod.rs b/bundler/src/bundler/import/mod.rs
index 1c6c5287929..d3d43c60d18 100644
--- a/bundler/src/bundler/import/mod.rs
+++ b/bundler/src/bundler/import/mod.rs
@@ -455,6 +455,7 @@ where
                             specifiers: vec![],
                             src: src.clone(),
                             type_only: false,
+                            asserts: None,
                         };
 
                         if self.top_level {
@@ -553,6 +554,7 @@ where
                             .collect(),
                         src,
                         type_only: false,
+                        asserts: None,
                     };
 
                     // if self.top_level {
diff --git a/bundler/src/bundler/load.rs b/bundler/src/bundler/load.rs
index 2fcaff38567..845eac34afd 100644
--- a/bundler/src/bundler/load.rs
+++ b/bundler/src/bundler/load.rs
@@ -277,6 +277,7 @@ where
                             specifiers: vec![],
                             src,
                             type_only: false,
+                            asserts: None,
                         },
                         true,
                         false,
diff --git a/ecmascript/Cargo.toml b/ecmascript/Cargo.toml
index 913b30afa46..1b3431c181e 100644
--- a/ecmascript/Cargo.toml
+++ b/ecmascript/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2018"
 license = "Apache-2.0/MIT"
 name = "swc_ecmascript"
 repository = "https://github.com/swc-project/swc.git"
-version = "0.7.11"
+version = "0.8.0"
 
 [features]
 codegen = ["swc_ecma_codegen"]
@@ -20,12 +20,12 @@ const-modules = ["swc_ecma_transforms", "swc_ecma_transforms/const-modules"]
 react = ["swc_ecma_transforms", "swc_ecma_transforms/react"]
 
 [dependencies]
-swc_ecma_ast = {version = "0.31.0", path = "./ast"}
-swc_ecma_codegen = {version = "0.35.2", path = "./codegen", optional = true}
-swc_ecma_dep_graph = {version = "0.3.0", path = "./dep-graph", optional = true}
-swc_ecma_parser = {version = "0.37.2", path = "./parser", optional = true}
-swc_ecma_transforms = {version = "0.23.15", path = "./transforms", optional = true}
-swc_ecma_utils = {version = "0.21.0", path = "./utils", optional = true}
-swc_ecma_visit = {version = "0.17.2", path = "./visit", optional = true}
+swc_ecma_ast = {version = "0.32.0", path = "./ast"}
+swc_ecma_codegen = {version = "0.36.0", path = "./codegen", optional = true}
+swc_ecma_dep_graph = {version = "0.4.0", path = "./dep-graph", optional = true}
+swc_ecma_parser = {version = "0.38.0", path = "./parser", optional = true}
+swc_ecma_transforms = {version = "0.24.0", path = "./transforms", optional = true}
+swc_ecma_utils = {version = "0.22.0", path = "./utils", optional = true}
+swc_ecma_visit = {version = "0.18.0", path = "./visit", optional = true}
 
 [dev-dependencies]
diff --git a/ecmascript/ast/Cargo.toml b/ecmascript/ast/Cargo.toml
index c2650e60185..5a466f17ee8 100644
--- a/ecmascript/ast/Cargo.toml
+++ b/ecmascript/ast/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2018"
 license = "Apache-2.0/MIT"
 name = "swc_ecma_ast"
 repository = "https://github.com/swc-project/swc.git"
-version = "0.31.0"
+version = "0.32.0"
 
 [dependencies]
 enum_kind = {version = "0.2", path = "../../macros/enum_kind"}
diff --git a/ecmascript/ast/src/module_decl.rs b/ecmascript/ast/src/module_decl.rs
index 4d59d9f655f..558f604d6ce 100644
--- a/ecmascript/ast/src/module_decl.rs
+++ b/ecmascript/ast/src/module_decl.rs
@@ -4,6 +4,7 @@ use crate::{
     ident::Ident,
     lit::Str,
     typescript::{TsExportAssignment, TsImportEqualsDecl, TsInterfaceDecl, TsNamespaceExportDecl},
+    ObjectLit,
 };
 use is_macro::Is;
 use swc_common::{ast_node, Span};
@@ -70,6 +71,9 @@ pub struct ImportDecl {
 
     #[serde(rename = "typeOnly")]
     pub type_only: bool,
+
+    #[serde(default)]
+    pub asserts: Option<ObjectLit>,
 }
 
 /// `export * from 'mod'`
diff --git a/ecmascript/codegen/Cargo.toml b/ecmascript/codegen/Cargo.toml
index 67292d9299d..345fa52b698 100644
--- a/ecmascript/codegen/Cargo.toml
+++ b/ecmascript/codegen/Cargo.toml
@@ -7,7 +7,7 @@ include = ["Cargo.toml", "src/**/*.rs"]
 license = "Apache-2.0/MIT"
 name = "swc_ecma_codegen"
 repository = "https://github.com/swc-project/swc.git"
-version = "0.35.3"
+version = "0.36.0"
 
 [dependencies]
 bitflags = "1"
@@ -15,10 +15,10 @@ num-bigint = {version = "0.2", features = ["serde"]}
 sourcemap = "6"
 swc_atoms = {version = "0.2", path = "../../atoms"}
 swc_common = {version = "0.10.0", path = "../../common"}
-swc_ecma_ast = {version = "0.31.0", path = "../ast"}
+swc_ecma_ast = {version = "0.32.0", path = "../ast"}
 swc_ecma_codegen_macros = {version = "0.5", path = "./macros"}
 
 [dev-dependencies]
 swc_common = {version = "0.10.0", path = "../../common", features = ["sourcemap"]}
-swc_ecma_parser = {version = "0.37.0", path = "../parser"}
+swc_ecma_parser = {version = "0.38.0", path = "../parser"}
 testing = {version = "0.10.0", path = "../../testing"}
diff --git a/ecmascript/dep-graph/Cargo.toml b/ecmascript/dep-graph/Cargo.toml
index b279ff2ac49..654d4836b8a 100644
--- a/ecmascript/dep-graph/Cargo.toml
+++ b/ecmascript/dep-graph/Cargo.toml
@@ -6,14 +6,14 @@ edition = "2018"
 license = "Apache-2.0/MIT"
 name = "swc_ecma_dep_graph"
 repository = "https://github.com/swc-project/swc.git"
-version = "0.3.0"
+version = "0.4.0"
 
 [dependencies]
 swc_atoms = {version = "0.2", path = "../../atoms"}
 swc_common = {version = "0.10.1", path = "../../common"}
-swc_ecma_ast = {version = "0.31.0", path = "../ast"}
-swc_ecma_visit = {version = "0.17.0", path = "../visit"}
+swc_ecma_ast = {version = "0.32.0", path = "../ast"}
+swc_ecma_visit = {version = "0.18.0", path = "../visit"}
 
 [dev-dependencies]
-swc_ecma_parser = {version = "0.37.0", path = "../parser"}
+swc_ecma_parser = {version = "0.38.0", path = "../parser"}
 testing = {version = "0.10.0", path = "../../testing"}
diff --git a/ecmascript/jsdoc/Cargo.toml b/ecmascript/jsdoc/Cargo.toml
index cfabea938d6..a508bdc45e4 100644
--- a/ecmascript/jsdoc/Cargo.toml
+++ b/ecmascript/jsdoc/Cargo.toml
@@ -5,7 +5,7 @@ documentation = "https://swc.rs/rustdoc/jsdoc/"
 edition = "2018"
 license = "Apache-2.0/MIT"
 name = "jsdoc"
-version = "0.5.1"
+version = "0.6.0"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
@@ -18,7 +18,7 @@ swc_common = {version = "0.10.0", path = "../../common"}
 [dev-dependencies]
 anyhow = "1"
 dashmap = "3"
-swc_ecma_ast = {version = "0.31.0", path = "../ast"}
-swc_ecma_parser = {version = "0.37.0", path = "../parser"}
+swc_ecma_ast = {version = "0.32.0", path = "../ast"}
+swc_ecma_parser = {version = "0.38.0", path = "../parser"}
 testing = {version = "0.10.0", path = "../../testing"}
 walkdir = "2"
diff --git a/ecmascript/parser/Cargo.toml b/ecmascript/parser/Cargo.toml
index 7d73981d901..2359d01466c 100644
--- a/ecmascript/parser/Cargo.toml
+++ b/ecmascript/parser/Cargo.toml
@@ -7,7 +7,7 @@ include = ["Cargo.toml", "src/**/*.rs", "examples/**/*.rs"]
 license = "Apache-2.0/MIT"
 name = "swc_ecma_parser"
 repository = "https://github.com/swc-project/swc.git"
-version = "0.37.2"
+version = "0.38.0"
 
 [features]
 default = []
@@ -20,11 +20,11 @@ log = "0.4"
 num-bigint = "0.2"
 serde = {version = "1", features = ["derive"]}
 smallvec = "1"
-swc_atoms = {version = "0.2", path = "../../atoms"}
+swc_atoms = {version = "0.2.3", path = "../../atoms"}
 swc_common = {version = "0.10.0", path = "../../common"}
-swc_ecma_ast = {version = "0.31.0", path = "../ast"}
+swc_ecma_ast = {version = "0.32.0", path = "../ast"}
 swc_ecma_parser_macros = {version = "0.4.1", path = "./macros"}
-swc_ecma_visit = {version = "0.17.0", path = "../visit"}
+swc_ecma_visit = {version = "0.18.0", path = "../visit"}
 unicode-xid = "0.2"
 
 [dev-dependencies]
diff --git a/ecmascript/parser/src/lib.rs b/ecmascript/parser/src/lib.rs
index 1c62ec0eba2..4752d5eba4b 100644
--- a/ecmascript/parser/src/lib.rs
+++ b/ecmascript/parser/src/lib.rs
@@ -123,6 +123,17 @@ impl Default for Syntax {
 }
 
 impl Syntax {
+    pub fn import_assertions(self) -> bool {
+        match self {
+            Syntax::Es(EsConfig {
+                import_assertions, ..
+            })
+            | Syntax::Typescript(TsConfig {
+                import_assertions, ..
+            }) => import_assertions,
+        }
+    }
+
     /// Should we parse jsx?
     pub fn jsx(self) -> bool {
         match self {
@@ -292,6 +303,10 @@ pub struct TsConfig {
 
     #[serde(skip, default)]
     pub no_early_errors: bool,
+
+    /// Stage 3.
+    #[serde(default)]
+    pub import_assertions: bool,
 }
 
 #[derive(Debug, Clone, Copy, Serialize, Deserialize, PartialOrd, Ord, PartialEq, Eq)]
@@ -382,6 +397,10 @@ pub struct EsConfig {
     /// Stage 3.
     #[serde(default)]
     pub top_level_await: bool,
+
+    /// Stage 3.
+    #[serde(default)]
+    pub import_assertions: bool,
 }
 
 /// Syntactic context.
diff --git a/ecmascript/parser/src/macros.rs b/ecmascript/parser/src/macros.rs
index d77928773a3..6388855e0da 100644
--- a/ecmascript/parser/src/macros.rs
+++ b/ecmascript/parser/src/macros.rs
@@ -356,6 +356,9 @@ macro_rules! tok {
     ("type") => {
         crate::token::Token::Word(crate::token::Word::Ident(swc_atoms::js_word!("type")))
     };
+    ("assert") => {
+        crate::token::Token::Word(crate::token::Word::Ident(swc_atoms::js_word!("assert")))
+    };
 }
 
 macro_rules! token_including_semi {
diff --git a/ecmascript/parser/src/parser/stmt/module_item.rs b/ecmascript/parser/src/parser/stmt/module_item.rs
index bd6a3c0c866..b9cbe39125b 100644
--- a/ecmascript/parser/src/parser/stmt/module_item.rs
+++ b/ecmascript/parser/src/parser/stmt/module_item.rs
@@ -56,6 +56,7 @@ impl<'a, I: Tokens> Parser<I> {
                 src,
                 specifiers: vec![],
                 type_only: false,
+                asserts: None,
             }))
             .map(ModuleItem::from);
         }
@@ -106,13 +107,40 @@ impl<'a, I: Tokens> Parser<I> {
             }
         }
 
-        let src = self.parse_from_clause_and_semi()?;
+        let src = {
+            expect!("from");
+            let str_start = cur_pos!();
+            let src = match *cur!(true)? {
+                Token::Str { .. } => match bump!() {
+                    Token::Str { value, has_escape } => Str {
+                        value,
+                        has_escape,
+                        span: span!(str_start),
+                    },
+                    _ => unreachable!(),
+                },
+                _ => unexpected!("a string literal"),
+            };
+            src
+        };
+
+        let asserts = if self.input.syntax().import_assertions() && eat!("assert") {
+            match *self.parse_object::<Box<Expr>>()? {
+                Expr::Object(v) => Some(v),
+                _ => unreachable!(),
+            }
+        } else {
+            None
+        };
+
+        expect!(';');
 
         Ok(ModuleDecl::Import(ImportDecl {
             span: span!(start),
             specifiers,
             src,
             type_only,
+            asserts,
         }))
         .map(ModuleItem::from)
     }
diff --git a/ecmascript/parser/tests/jsx/basic/custom/unary-paren/input.js.json b/ecmascript/parser/tests/jsx/basic/custom/unary-paren/input.js.json
index b01091531ee..8f8005701e5 100644
--- a/ecmascript/parser/tests/jsx/basic/custom/unary-paren/input.js.json
+++ b/ecmascript/parser/tests/jsx/basic/custom/unary-paren/input.js.json
@@ -44,7 +44,8 @@
         "value": "react",
         "hasEscape": false
       },
-      "typeOnly": false
+      "typeOnly": false,
+      "asserts": null
     },
     {
       "type": "FunctionDeclaration",
diff --git a/ecmascript/parser/tests/jsx/basic/custom/unary/input.js.json b/ecmascript/parser/tests/jsx/basic/custom/unary/input.js.json
index 5ebc6c94992..8ba561d7b2f 100644
--- a/ecmascript/parser/tests/jsx/basic/custom/unary/input.js.json
+++ b/ecmascript/parser/tests/jsx/basic/custom/unary/input.js.json
@@ -44,7 +44,8 @@
         "value": "react",
         "hasEscape": false
       },
-      "typeOnly": false
+      "typeOnly": false,
+      "asserts": null
     },
     {
       "type": "FunctionDeclaration",
diff --git a/ecmascript/parser/tests/span.rs b/ecmascript/parser/tests/span.rs
index a67f1eaad5e..62991317973 100644
--- a/ecmascript/parser/tests/span.rs
+++ b/ecmascript/parser/tests/span.rs
@@ -77,9 +77,8 @@ fn load_tests(tests: &mut Vec<TestDescAndFn>) -> Result<(), io::Error> {
                     Syntax::Typescript(TsConfig {
                         tsx: true,
                         decorators: true,
-                        dynamic_import: false,
-                        dts: false,
                         no_early_errors: true,
+                        ..Default::default()
                     }),
                     Default::default(),
                     (&*src).into(),
diff --git a/ecmascript/parser/tests/typescript.rs b/ecmascript/parser/tests/typescript.rs
index 95095fdc0d7..2ec5c227267 100644
--- a/ecmascript/parser/tests/typescript.rs
+++ b/ecmascript/parser/tests/typescript.rs
@@ -229,6 +229,7 @@ where
                 tsx: fname.contains("tsx"),
                 dynamic_import: true,
                 decorators: true,
+                import_assertions: true,
                 no_early_errors,
                 ..Default::default()
             }),
diff --git a/ecmascript/parser/tests/typescript/custom/issue-535/input.ts.json b/ecmascript/parser/tests/typescript/custom/issue-535/input.ts.json
index 5ef41fc9945..b27765d294c 100644
--- a/ecmascript/parser/tests/typescript/custom/issue-535/input.ts.json
+++ b/ecmascript/parser/tests/typescript/custom/issue-535/input.ts.json
@@ -42,7 +42,8 @@
         "value": "test",
         "hasEscape": false
       },
-      "typeOnly": false
+      "typeOnly": false,
+      "asserts": null
     },
     {
       "type": "ImportDeclaration",
@@ -82,7 +83,8 @@
         "value": "test",
         "hasEscape": false
       },
-      "typeOnly": false
+      "typeOnly": false,
+      "asserts": null
     }
   ],
   "interpreter": null
diff --git a/ecmascript/parser/tests/typescript/custom/tsx-unary/input.tsx.json b/ecmascript/parser/tests/typescript/custom/tsx-unary/input.tsx.json
index 5ebc6c94992..8ba561d7b2f 100644
--- a/ecmascript/parser/tests/typescript/custom/tsx-unary/input.tsx.json
+++ b/ecmascript/parser/tests/typescript/custom/tsx-unary/input.tsx.json
@@ -44,7 +44,8 @@
         "value": "react",
         "hasEscape": false
       },
-      "typeOnly": false
+      "typeOnly": false,
+      "asserts": null
     },
     {
       "type": "FunctionDeclaration",
diff --git a/ecmascript/parser/tests/typescript/custom/type-only/import/aliased/input.ts.json b/ecmascript/parser/tests/typescript/custom/type-only/import/aliased/input.ts.json
index fb73b271471..5e2c1cd1d1b 100644
--- a/ecmascript/parser/tests/typescript/custom/type-only/import/aliased/input.ts.json
+++ b/ecmascript/parser/tests/typescript/custom/type-only/import/aliased/input.ts.json
@@ -55,7 +55,8 @@
         "value": "foo",
         "hasEscape": false
       },
-      "typeOnly": true
+      "typeOnly": true,
+      "asserts": null
     }
   ],
   "interpreter": null
diff --git a/ecmascript/parser/tests/typescript/custom/type-only/import/default/input.ts.json b/ecmascript/parser/tests/typescript/custom/type-only/import/default/input.ts.json
index 62720ceda0e..ecf15096e9e 100644
--- a/ecmascript/parser/tests/typescript/custom/type-only/import/default/input.ts.json
+++ b/ecmascript/parser/tests/typescript/custom/type-only/import/default/input.ts.json
@@ -44,7 +44,8 @@
         "value": "foo",
         "hasEscape": false
       },
-      "typeOnly": true
+      "typeOnly": true,
+      "asserts": null
     },
     {
       "type": "ImportDeclaration",
@@ -84,7 +85,8 @@
         "value": "./a",
         "hasEscape": false
       },
-      "typeOnly": false
+      "typeOnly": false,
+      "asserts": null
     }
   ],
   "interpreter": null
diff --git a/ecmascript/parser/tests/typescript/custom/type-only/import/specific/input.ts.json b/ecmascript/parser/tests/typescript/custom/type-only/import/specific/input.ts.json
index 0dd6fb11c09..4d0a48a2983 100644
--- a/ecmascript/parser/tests/typescript/custom/type-only/import/specific/input.ts.json
+++ b/ecmascript/parser/tests/typescript/custom/type-only/import/specific/input.ts.json
@@ -45,7 +45,8 @@
         "value": "foo",
         "hasEscape": false
       },
-      "typeOnly": true
+      "typeOnly": true,
+      "asserts": null
     },
     {
       "type": "ImportDeclaration",
@@ -65,7 +66,8 @@
         "value": "foo",
         "hasEscape": false
       },
-      "typeOnly": true
+      "typeOnly": true,
+      "asserts": null
     }
   ],
   "interpreter": null
diff --git a/ecmascript/parser/tests/typescript/import-assertions/dynamic-import/expr/input.ts b/ecmascript/parser/tests/typescript/import-assertions/dynamic-import/expr/input.ts
new file mode 100644
index 00000000000..27b97761342
--- /dev/null
+++ b/ecmascript/parser/tests/typescript/import-assertions/dynamic-import/expr/input.ts
@@ -0,0 +1 @@
+foo(import('./lazy', { assert: { type: "json" } }))
\ No newline at end of file
diff --git a/ecmascript/parser/tests/typescript/import-assertions/dynamic-import/expr/input.ts.json b/ecmascript/parser/tests/typescript/import-assertions/dynamic-import/expr/input.ts.json
new file mode 100644
index 00000000000..c773e391cb9
--- /dev/null
+++ b/ecmascript/parser/tests/typescript/import-assertions/dynamic-import/expr/input.ts.json
@@ -0,0 +1,140 @@
+{
+  "type": "Module",
+  "span": {
+    "start": 0,
+    "end": 51,
+    "ctxt": 0
+  },
+  "body": [
+    {
+      "type": "ExpressionStatement",
+      "span": {
+        "start": 0,
+        "end": 51,
+        "ctxt": 0
+      },
+      "expression": {
+        "type": "CallExpression",
+        "span": {
+          "start": 0,
+          "end": 51,
+          "ctxt": 0
+        },
+        "callee": {
+          "type": "Identifier",
+          "span": {
+            "start": 0,
+            "end": 3,
+            "ctxt": 0
+          },
+          "value": "foo",
+          "typeAnnotation": null,
+          "optional": false
+        },
+        "arguments": [
+          {
+            "spread": null,
+            "expression": {
+              "type": "CallExpression",
+              "span": {
+                "start": 4,
+                "end": 50,
+                "ctxt": 0
+              },
+              "callee": {
+                "type": "Identifier",
+                "span": {
+                  "start": 4,
+                  "end": 10,
+                  "ctxt": 0
+                },
+                "value": "import",
+                "typeAnnotation": null,
+                "optional": false
+              },
+              "arguments": [
+                {
+                  "spread": null,
+                  "expression": {
+                    "type": "StringLiteral",
+                    "span": {
+                      "start": 11,
+                      "end": 19,
+                      "ctxt": 0
+                    },
+                    "value": "./lazy",
+                    "hasEscape": false
+                  }
+                },
+                {
+                  "spread": null,
+                  "expression": {
+                    "type": "ObjectExpression",
+                    "span": {
+                      "start": 21,
+                      "end": 49,
+                      "ctxt": 0
+                    },
+                    "properties": [
+                      {
+                        "type": "KeyValueProperty",
+                        "key": {
+                          "type": "Identifier",
+                          "span": {
+                            "start": 23,
+                            "end": 29,
+                            "ctxt": 0
+                          },
+                          "value": "assert",
+                          "typeAnnotation": null,
+                          "optional": false
+                        },
+                        "value": {
+                          "type": "ObjectExpression",
+                          "span": {
+                            "start": 31,
+                            "end": 47,
+                            "ctxt": 0
+                          },
+                          "properties": [
+                            {
+                              "type": "KeyValueProperty",
+                              "key": {
+                                "type": "Identifier",
+                                "span": {
+                                  "start": 33,
+                                  "end": 37,
+                                  "ctxt": 0
+                                },
+                                "value": "type",
+                                "typeAnnotation": null,
+                                "optional": false
+                              },
+                              "value": {
+                                "type": "StringLiteral",
+                                "span": {
+                                  "start": 39,
+                                  "end": 45,
+                                  "ctxt": 0
+                                },
+                                "value": "json",
+                                "hasEscape": false
+                              }
+                            }
+                          ]
+                        }
+                      }
+                    ]
+                  }
+                }
+              ],
+              "typeArguments": null
+            }
+          }
+        ],
+        "typeArguments": null
+      }
+    }
+  ],
+  "interpreter": null
+}
diff --git a/ecmascript/parser/tests/typescript/import-assertions/dynamic-import/top/input.ts b/ecmascript/parser/tests/typescript/import-assertions/dynamic-import/top/input.ts
new file mode 100644
index 00000000000..18505c2e29e
--- /dev/null
+++ b/ecmascript/parser/tests/typescript/import-assertions/dynamic-import/top/input.ts
@@ -0,0 +1,2 @@
+import('./lazy', { assert: { type: "json" } })
+    .then((lazy) => console.log(lazy))
\ No newline at end of file
diff --git a/ecmascript/parser/tests/typescript/import-assertions/dynamic-import/top/input.ts.json b/ecmascript/parser/tests/typescript/import-assertions/dynamic-import/top/input.ts.json
new file mode 100644
index 00000000000..a964264f360
--- /dev/null
+++ b/ecmascript/parser/tests/typescript/import-assertions/dynamic-import/top/input.ts.json
@@ -0,0 +1,230 @@
+{
+  "type": "Module",
+  "span": {
+    "start": 0,
+    "end": 85,
+    "ctxt": 0
+  },
+  "body": [
+    {
+      "type": "ExpressionStatement",
+      "span": {
+        "start": 0,
+        "end": 85,
+        "ctxt": 0
+      },
+      "expression": {
+        "type": "CallExpression",
+        "span": {
+          "start": 0,
+          "end": 85,
+          "ctxt": 0
+        },
+        "callee": {
+          "type": "MemberExpression",
+          "span": {
+            "start": 0,
+            "end": 56,
+            "ctxt": 0
+          },
+          "object": {
+            "type": "CallExpression",
+            "span": {
+              "start": 0,
+              "end": 46,
+              "ctxt": 0
+            },
+            "callee": {
+              "type": "Identifier",
+              "span": {
+                "start": 0,
+                "end": 6,
+                "ctxt": 0
+              },
+              "value": "import",
+              "typeAnnotation": null,
+              "optional": false
+            },
+            "arguments": [
+              {
+                "spread": null,
+                "expression": {
+                  "type": "StringLiteral",
+                  "span": {
+                    "start": 7,
+                    "end": 15,
+                    "ctxt": 0
+                  },
+                  "value": "./lazy",
+                  "hasEscape": false
+                }
+              },
+              {
+                "spread": null,
+                "expression": {
+                  "type": "ObjectExpression",
+                  "span": {
+                    "start": 17,
+                    "end": 45,
+                    "ctxt": 0
+                  },
+                  "properties": [
+                    {
+                      "type": "KeyValueProperty",
+                      "key": {
+                        "type": "Identifier",
+                        "span": {
+                          "start": 19,
+                          "end": 25,
+                          "ctxt": 0
+                        },
+                        "value": "assert",
+                        "typeAnnotation": null,
+                        "optional": false
+                      },
+                      "value": {
+                        "type": "ObjectExpression",
+                        "span": {
+                          "start": 27,
+                          "end": 43,
+                          "ctxt": 0
+                        },
+                        "properties": [
+                          {
+                            "type": "KeyValueProperty",
+                            "key": {
+                              "type": "Identifier",
+                              "span": {
+                                "start": 29,
+                                "end": 33,
+                                "ctxt": 0
+                              },
+                              "value": "type",
+                              "typeAnnotation": null,
+                              "optional": false
+                            },
+                            "value": {
+                              "type": "StringLiteral",
+                              "span": {
+                                "start": 35,
+                                "end": 41,
+                                "ctxt": 0
+                              },
+                              "value": "json",
+                              "hasEscape": false
+                            }
+                          }
+                        ]
+                      }
+                    }
+                  ]
+                }
+              }
+            ],
+            "typeArguments": null
+          },
+          "property": {
+            "type": "Identifier",
+            "span": {
+              "start": 52,
+              "end": 56,
+              "ctxt": 0
+            },
+            "value": "then",
+            "typeAnnotation": null,
+            "optional": false
+          },
+          "computed": false
+        },
+        "arguments": [
+          {
+            "spread": null,
+            "expression": {
+              "type": "ArrowFunctionExpression",
+              "span": {
+                "start": 57,
+                "end": 84,
+                "ctxt": 0
+              },
+              "params": [
+                {
+                  "type": "Identifier",
+                  "span": {
+                    "start": 58,
+                    "end": 62,
+                    "ctxt": 0
+                  },
+                  "value": "lazy",
+                  "typeAnnotation": null,
+                  "optional": false
+                }
+              ],
+              "body": {
+                "type": "CallExpression",
+                "span": {
+                  "start": 67,
+                  "end": 84,
+                  "ctxt": 0
+                },
+                "callee": {
+                  "type": "MemberExpression",
+                  "span": {
+                    "start": 67,
+                    "end": 78,
+                    "ctxt": 0
+                  },
+                  "object": {
+                    "type": "Identifier",
+                    "span": {
+                      "start": 67,
+                      "end": 74,
+                      "ctxt": 0
+                    },
+                    "value": "console",
+                    "typeAnnotation": null,
+                    "optional": false
+                  },
+                  "property": {
+                    "type": "Identifier",
+                    "span": {
+                      "start": 75,
+                      "end": 78,
+                      "ctxt": 0
+                    },
+                    "value": "log",
+                    "typeAnnotation": null,
+                    "optional": false
+                  },
+                  "computed": false
+                },
+                "arguments": [
+                  {
+                    "spread": null,
+                    "expression": {
+                      "type": "Identifier",
+                      "span": {
+                        "start": 79,
+                        "end": 83,
+                        "ctxt": 0
+                      },
+                      "value": "lazy",
+                      "typeAnnotation": null,
+                      "optional": false
+                    }
+                  }
+                ],
+                "typeArguments": null
+              },
+              "async": false,
+              "generator": false,
+              "typeParameters": null,
+              "returnType": null
+            }
+          }
+        ],
+        "typeArguments": null
+      }
+    }
+  ],
+  "interpreter": null
+}
diff --git a/ecmascript/parser/tests/typescript/import-assertions/stmt/test1/input.ts b/ecmascript/parser/tests/typescript/import-assertions/stmt/test1/input.ts
new file mode 100644
index 00000000000..890e4290079
--- /dev/null
+++ b/ecmascript/parser/tests/typescript/import-assertions/stmt/test1/input.ts
@@ -0,0 +1 @@
+import json from "./foo.json" assert { type: "json" };
diff --git a/ecmascript/parser/tests/typescript/import-assertions/stmt/test1/input.ts.json b/ecmascript/parser/tests/typescript/import-assertions/stmt/test1/input.ts.json
new file mode 100644
index 00000000000..3d6c36f5d4f
--- /dev/null
+++ b/ecmascript/parser/tests/typescript/import-assertions/stmt/test1/input.ts.json
@@ -0,0 +1,85 @@
+{
+  "type": "Module",
+  "span": {
+    "start": 0,
+    "end": 54,
+    "ctxt": 0
+  },
+  "body": [
+    {
+      "type": "ImportDeclaration",
+      "span": {
+        "start": 0,
+        "end": 54,
+        "ctxt": 0
+      },
+      "specifiers": [
+        {
+          "type": "ImportDefaultSpecifier",
+          "span": {
+            "start": 7,
+            "end": 11,
+            "ctxt": 0
+          },
+          "local": {
+            "type": "Identifier",
+            "span": {
+              "start": 7,
+              "end": 11,
+              "ctxt": 0
+            },
+            "value": "json",
+            "typeAnnotation": null,
+            "optional": false
+          }
+        }
+      ],
+      "source": {
+        "type": "StringLiteral",
+        "span": {
+          "start": 17,
+          "end": 29,
+          "ctxt": 0
+        },
+        "value": "./foo.json",
+        "hasEscape": false
+      },
+      "typeOnly": false,
+      "asserts": {
+        "type": "ObjectExpression",
+        "span": {
+          "start": 37,
+          "end": 53,
+          "ctxt": 0
+        },
+        "properties": [
+          {
+            "type": "KeyValueProperty",
+            "key": {
+              "type": "Identifier",
+              "span": {
+                "start": 39,
+                "end": 43,
+                "ctxt": 0
+              },
+              "value": "type",
+              "typeAnnotation": null,
+              "optional": false
+            },
+            "value": {
+              "type": "StringLiteral",
+              "span": {
+                "start": 45,
+                "end": 51,
+                "ctxt": 0
+              },
+              "value": "json",
+              "hasEscape": false
+            }
+          }
+        ]
+      }
+    }
+  ],
+  "interpreter": null
+}
diff --git a/ecmascript/parser/tests/typescript/import/not-top-level/input.ts.json b/ecmascript/parser/tests/typescript/import/not-top-level/input.ts.json
index 2268ce07fa1..4d08dd7b1c3 100644
--- a/ecmascript/parser/tests/typescript/import/not-top-level/input.ts.json
+++ b/ecmascript/parser/tests/typescript/import/not-top-level/input.ts.json
@@ -71,7 +71,8 @@
               "value": "a",
               "hasEscape": false
             },
-            "typeOnly": false
+            "typeOnly": false,
+            "asserts": null
           }
         ]
       }
diff --git a/ecmascript/parser/tests/typescript/issue-913/input.ts.json b/ecmascript/parser/tests/typescript/issue-913/input.ts.json
index 66693a2b97a..6c3cb52d90a 100644
--- a/ecmascript/parser/tests/typescript/issue-913/input.ts.json
+++ b/ecmascript/parser/tests/typescript/issue-913/input.ts.json
@@ -45,7 +45,8 @@
         "value": "../../deps.ts",
         "hasEscape": false
       },
-      "typeOnly": false
+      "typeOnly": false,
+      "asserts": null
     },
     {
       "type": "ImportDeclaration",
@@ -85,7 +86,8 @@
         "value": "../../members.ts",
         "hasEscape": false
       },
-      "typeOnly": false
+      "typeOnly": false,
+      "asserts": null
     },
     {
       "type": "ImportDeclaration",
@@ -126,7 +128,8 @@
         "value": "../../../mod.ts",
         "hasEscape": false
       },
-      "typeOnly": false
+      "typeOnly": false,
+      "asserts": null
     },
     {
       "type": "ExpressionStatement",
diff --git a/ecmascript/preset_env/src/lib.rs b/ecmascript/preset_env/src/lib.rs
index 57d1a55924e..c31c89ca190 100644
--- a/ecmascript/preset_env/src/lib.rs
+++ b/ecmascript/preset_env/src/lib.rs
@@ -286,6 +286,7 @@ impl Fold for Polyfills {
                             has_escape: false,
                         },
                         type_only: false,
+                        asserts: None,
                     }))
                 }),
             );
@@ -302,6 +303,7 @@ impl Fold for Polyfills {
                             has_escape: false,
                         },
                         type_only: false,
+                        asserts: None,
                     }))
                 }),
             );
diff --git a/ecmascript/transforms/Cargo.toml b/ecmascript/transforms/Cargo.toml
index 47f3286e5d4..8ad8d08c77b 100644
--- a/ecmascript/transforms/Cargo.toml
+++ b/ecmascript/transforms/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2018"
 license = "Apache-2.0/MIT"
 name = "swc_ecma_transforms"
 repository = "https://github.com/swc-project/swc.git"
-version = "0.23.16"
+version = "0.24.0"
 
 [features]
 const-modules = ["dashmap"]
@@ -21,7 +21,7 @@ either = "1.5"
 fxhash = "0.2"
 indexmap = "1"
 is-macro = "0.1"
-jsdoc = {version = "0.5.0", path = "../jsdoc"}
+jsdoc = {version = "0.6.0", path = "../jsdoc"}
 log = "0.4.8"
 once_cell = "1"
 ordered-float = "1.0.1"
@@ -34,17 +34,17 @@ serde_json = "1"
 smallvec = "1"
 swc_atoms = {version = "0.2.0", path = "../../atoms"}
 swc_common = {version = "0.10.0", path = "../../common"}
-swc_ecma_ast = {version = "0.31.0", path = "../ast"}
-swc_ecma_parser = {version = "0.37.0", path = "../parser"}
+swc_ecma_ast = {version = "0.32.0", path = "../ast"}
+swc_ecma_parser = {version = "0.38.0", path = "../parser"}
 swc_ecma_transforms_macros = {version = "0.1.1", path = "./macros"}
-swc_ecma_utils = {version = "0.21.0", path = "../utils"}
-swc_ecma_visit = {version = "0.17.0", path = "../visit"}
+swc_ecma_utils = {version = "0.22.0", path = "../utils"}
+swc_ecma_visit = {version = "0.18.0", path = "../visit"}
 unicode-xid = "0.2"
 
 [dev-dependencies]
 pretty_assertions = "0.6"
 sourcemap = "6"
-swc_ecma_codegen = {version = "0.35.0", path = "../codegen"}
+swc_ecma_codegen = {version = "0.36.0", path = "../codegen"}
 tempfile = "3"
 testing = {version = "0.10.0", path = "../../testing"}
 walkdir = "2"
diff --git a/ecmascript/transforms/src/helpers.rs b/ecmascript/transforms/src/helpers.rs
index cb05a0aad66..501016e2286 100644
--- a/ecmascript/transforms/src/helpers.rs
+++ b/ecmascript/transforms/src/helpers.rs
@@ -246,6 +246,7 @@ impl InjectHelpers {
                     })],
                     src: quote_str!("@swc/helpers"),
                     type_only: false,
+                    asserts: None,
                 }))]
             } else {
                 vec![]
diff --git a/ecmascript/transforms/src/proposals.rs b/ecmascript/transforms/src/proposals.rs
index c6123418f8c..10c79c54f78 100644
--- a/ecmascript/transforms/src/proposals.rs
+++ b/ecmascript/transforms/src/proposals.rs
@@ -1,4 +1,5 @@
-pub use self::{decorators::decorators, export::export};
+pub use self::{decorators::decorators, export::export, import_assertions::import_assertions};
 
 pub mod decorators;
 mod export;
+mod import_assertions;
diff --git a/ecmascript/transforms/src/proposals/export.rs b/ecmascript/transforms/src/proposals/export.rs
index b47655a3091..c8f1e9065ac 100644
--- a/ecmascript/transforms/src/proposals/export.rs
+++ b/ecmascript/transforms/src/proposals/export.rs
@@ -50,6 +50,7 @@ impl Fold for ExportDefaultFrom {
                                     .clone()
                                     .expect("`export default from` requires source"),
                                 type_only: false,
+                                asserts: None,
                             })));
                             extra_stmts.push(ModuleItem::ModuleDecl(ModuleDecl::ExportNamed(
                                 NamedExport {
@@ -82,6 +83,7 @@ impl Fold for ExportDefaultFrom {
                                     .clone()
                                     .expect("`export default from` requires source"),
                                 type_only: false,
+                                asserts: None,
                             })));
                             extra_stmts.push(ModuleItem::ModuleDecl(ModuleDecl::ExportNamed(
                                 NamedExport {
diff --git a/ecmascript/transforms/src/proposals/import_assertions.rs b/ecmascript/transforms/src/proposals/import_assertions.rs
new file mode 100644
index 00000000000..febf4a21927
--- /dev/null
+++ b/ecmascript/transforms/src/proposals/import_assertions.rs
@@ -0,0 +1,15 @@
+use swc_ecma_ast::ImportDecl;
+use swc_ecma_visit::{as_folder, noop_visit_mut_type, Fold, VisitMut};
+
+pub fn import_assertions() -> impl Fold {
+    as_folder(ImportAssertions)
+}
+struct ImportAssertions;
+
+impl VisitMut for ImportAssertions {
+    noop_visit_mut_type!();
+
+    fn visit_mut_import_decl(&mut self, n: &mut ImportDecl) {
+        n.asserts = None;
+    }
+}
diff --git a/ecmascript/transforms/tests/typescript_strip_correctness.rs b/ecmascript/transforms/tests/typescript_strip_correctness.rs
index 4b15654f6fb..04f07d853ee 100644
--- a/ecmascript/transforms/tests/typescript_strip_correctness.rs
+++ b/ecmascript/transforms/tests/typescript_strip_correctness.rs
@@ -150,6 +150,7 @@ fn correctness_tests(tests: &mut Vec<TestDescAndFn>) -> Result<(), io::Error> {
                             dynamic_import: true,
                             dts: false,
                             no_early_errors: false,
+                            import_assertions: true,
                         }),
                         (&*src).into(),
                         None,
diff --git a/ecmascript/utils/Cargo.toml b/ecmascript/utils/Cargo.toml
index be6a615d0d8..eeba37f4c56 100644
--- a/ecmascript/utils/Cargo.toml
+++ b/ecmascript/utils/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2018"
 license = "Apache-2.0/MIT"
 name = "swc_ecma_utils"
 repository = "https://github.com/swc-project/swc.git"
-version = "0.21.0"
+version = "0.22.0"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
@@ -15,8 +15,8 @@ once_cell = "1"
 scoped-tls = "1"
 swc_atoms = {version = "0.2.0", path = "../../atoms"}
 swc_common = {version = "0.10.0", path = "../../common"}
-swc_ecma_ast = {version = "0.31.0", path = "../ast"}
-swc_ecma_visit = {version = "0.17.0", path = "../visit"}
+swc_ecma_ast = {version = "0.32.0", path = "../ast"}
+swc_ecma_visit = {version = "0.18.0", path = "../visit"}
 unicode-xid = "0.2"
 
 [dev-dependencies]
diff --git a/ecmascript/visit/Cargo.toml b/ecmascript/visit/Cargo.toml
index 08e6adfc90b..3e9c84d361d 100644
--- a/ecmascript/visit/Cargo.toml
+++ b/ecmascript/visit/Cargo.toml
@@ -6,11 +6,11 @@ edition = "2018"
 license = "Apache-2.0/MIT"
 name = "swc_ecma_visit"
 repository = "https://github.com/swc-project/swc.git"
-version = "0.17.2"
+version = "0.18.0"
 
 [dependencies]
 num-bigint = {version = "0.2", features = ["serde"]}
 swc_atoms = {version = "0.2", path = "../../atoms"}
 swc_common = {version = "0.10.0", path = "../../common"}
-swc_ecma_ast = {version = "0.31.0", path = "../ast"}
+swc_ecma_ast = {version = "0.32.0", path = "../ast"}
 swc_visit = {version = "0.2.0", path = "../../visit"}
diff --git a/ecmascript/visit/src/lib.rs b/ecmascript/visit/src/lib.rs
index bc686794e8c..e23ef4dc30e 100644
--- a/ecmascript/visit/src/lib.rs
+++ b/ecmascript/visit/src/lib.rs
@@ -926,6 +926,7 @@ define!({
         pub specifiers: Vec<ImportSpecifier>,
         pub src: Str,
         pub type_only: bool,
+        pub asserts: Option<ObjectLit>,
     }
     pub struct ExportAll {
         pub span: Span,
diff --git a/src/builder.rs b/src/builder.rs
index 280ce2f49bf..5e59f54ef41 100644
--- a/src/builder.rs
+++ b/src/builder.rs
@@ -5,7 +5,8 @@ use swc_atoms::JsWord;
 use swc_common::{chain, comments::Comments, errors::Handler, Mark, SourceMap};
 use swc_ecma_parser::Syntax;
 use swc_ecma_transforms::{
-    compat, const_modules, fixer, helpers, hygiene, modules, pass::Optional, typescript,
+    compat, const_modules, fixer, helpers, hygiene, modules, pass::Optional,
+    proposals::import_assertions, typescript,
 };
 
 /// Builder is used to create a high performance `Compiler`.
@@ -129,11 +130,13 @@ impl<'a, 'b, P: swc_ecma_visit::Fold> PassBuilder<'a, 'b, P> {
         // compat
         let compat_pass = if let Some(env) = self.env {
             Either::Left(chain!(
+                import_assertions(),
                 Optional::new(typescript::strip(), syntax.typescript()),
                 swc_ecma_preset_env::preset_env(self.global_mark, env)
             ))
         } else {
             Either::Right(chain!(
+                import_assertions(),
                 Optional::new(
                     compat::es2020::nullish_coalescing(),
                     self.target < JscTarget::Es2020