feat(es/ast): Add EsNext to EsVersion (#6816)

crates/swc/src/config/issue-1532.json

@@ -1,11 +0,0 @@
-{
-    "jsc": {
-        "parser": {
-            "syntax": "typescript",
-            "dynamicImport": true
-        },
-        "externalHelpers": true,
-        "target": "esnext"
-    },
-    "sourceMaps": true
-}

crates/swc/src/config/tests.rs

@@ -21,14 +21,6 @@ fn issue_4390() {
     dbg!(&rc);
 }
 
-#[test]
-fn issue_1532() {
-    let res = serde_json::from_str::<Options>(include_str!("issue-1532.json"));
-
-    let err = res.expect_err("should fail");
-    assert!(err.to_string().contains("unknown variant `esnext`"));
-}
-
 #[test]
 fn jsonc() {
     let rc = parse_swcrc(include_str!("jsonc.json")).expect("failed to parse");

crates/swc/tests/error_msg.rs

@@ -40,14 +40,6 @@ fn swcrc_simple() {
     println!("{}", f);
 }
 
-#[test]
-fn issue_1532() {
-    let f = file("tests/swcrc_errors/issue-1532/index.js");
-    println!("{}", f);
-
-    assert!(f.contains("unknown variant `esnext`"))
-}
-
 #[testing::fixture("tests/errors/**/input.js")]
 #[testing::fixture("tests/errors/**/input.ts")]
 fn fixture(input: PathBuf) {

crates/swc_ecma_ast/src/lib.rs

@@ -126,6 +126,8 @@ pub enum EsVersion {
     Es2021,
     #[serde(rename = "es2022")]
     Es2022,
+    #[serde(rename = "esnext")]
+    EsNext,
 }
 
 impl EsVersion {

node-swc/__tests__/error_test.mjs

@@ -10,34 +10,6 @@ it("should work", () => {
   }).toThrow("jsc");
 });
 
-
-it("should work", () => {
-  expect(() => {
-    const filename = 'index.ts';
-
-    const code = `
-export async function getDependency(): Promise<any> {
-  return import('./dep').then(({dependency}) => dependency);
-}
-`
-
-    const options = {
-      jsc: {
-        parser: {
-          syntax: 'typescript',
-          dynamicImport: true
-        },
-        externalHelpers: true,
-        target: 'esnext'
-      },
-      sourceMaps: true,
-      filename
-    }
-
-    swc.transformSync(code, options)
-  }).toThrow("unknown variant `esnext`");
-});
-
 it("should report good error", () => {
   expect(() => {
     swc.transformFileSync(__dirname + "/../tests/error/simple.js");