fix(npm): remove export binding to match node (#15837)

cli/node/mod.rs

@@ -814,20 +814,14 @@ pub fn translate_cjs_to_esm(
   for export in &all_exports {
     if export.as_str() == "default" {
       if root_exports.contains("__esModule") {
-        source.push(format!(
-          "export default Deno[Deno.internal].require.bindExport(mod[\"{}\"], mod);",
-          export,
-        ));
+        source.push(format!("export default mod[\"{}\"];", export));
         had_default = true;
       }
     } else {
       add_export(
         &mut source,
         export,
-        &format!(
-          "Deno[Deno.internal].require.bindExport(mod[\"{}\"], mod)",
-          export
-        ),
+        &format!("mod[\"{}\"]", export),
         &mut temp_var_count,
       );
     }

cli/tests/integration/npm_tests.rs

@@ -61,6 +61,14 @@ itest!(cjs_reexport_collision {
   http_server: true,
 });
 
+itest!(cjs_this_in_exports {
+  args: "run --allow-read --unstable --quiet npm/cjs_this_in_exports/main.js",
+  output: "npm/cjs_this_in_exports/main.out",
+  envs: env_vars(),
+  http_server: true,
+  exit_code: 1,
+});
+
 itest!(translate_cjs_to_esm {
   args: "run --unstable -A --quiet npm/translate_cjs_to_esm/main.js",
   output: "npm/translate_cjs_to_esm/main.out",
@@ -347,6 +355,7 @@ fn env_vars_no_sync_download() -> Vec<(String, String)> {
       "DENO_NPM_REGISTRY".to_string(),
       "http://localhost:4545/npm/registry/".to_string(),
     ),
+    ("NO_COLOR".to_string(), "1".to_string()),
   ]
 }
 

cli/tests/testdata/npm/cjs_this_in_exports/main.js

@@ -0,0 +1,11 @@
+import defaultImport, { getValue } from "npm:@denotest/cjs-this-in-exports";
+import * as namespaceImport from "npm:@denotest/cjs-this-in-exports";
+
+console.log(defaultImport.getValue());
+// In Node this actually fails, but it seems to work in Deno
+// so I guess there's no harm in that.
+console.log(namespaceImport.getValue());
+
+// This will throw because it's lost its context.
+// (same thing occurs with Node's cjs -> esm translation)
+getValue();

cli/tests/testdata/npm/cjs_this_in_exports/main.out

@@ -0,0 +1,5 @@
+1
+1
+error: Uncaught TypeError: this.otherMethod is not a function
+    at getValue (file://[WILDCARD]/@denotest/cjs-this-in-exports/1.0.0/index.js:3:17)
+    at file://[WILDCARD]/testdata/npm/cjs_this_in_exports/main.js:11:1

cli/tests/testdata/npm/registry/@denotest/cjs-this-in-exports/1.0.0/index.js

@@ -0,0 +1,8 @@
+module.exports = {
+  getValue() {
+    return this.otherMethod();
+  },
+  otherMethod() {
+    return 1;
+  },
+};

cli/tests/testdata/npm/registry/@denotest/cjs-this-in-exports/1.0.0/package.json

@@ -0,0 +1,5 @@
+{
+  "name": "@denotest/cjs-this-in-exports",
+  "version": "1.0.0",
+  "main": "./index.js"
+}

cli/tests/testdata/npm/tarball_with_global_header/main.out

@@ -1 +1 @@
-[Function: bound Client]
+[Function: Client]

cli/tests/testdata/npm/translate_cjs_to_esm/main.out

@@ -1,2 +1,2 @@
 [Function: access]
-[Function: bound createApp]
+[Function: createApp]

ext/node/02_require.js

@@ -13,7 +13,6 @@
     ArrayPrototypePush,
     ArrayPrototypeSlice,
     ArrayPrototypeSplice,
-    FunctionPrototypeBind,
     ObjectGetOwnPropertyDescriptor,
     ObjectGetPrototypeOf,
     ObjectPrototypeHasOwnProperty,
@@ -864,15 +863,6 @@
     throw new Error("not implemented");
   }
 
-  function bindExport(value, mod) {
-    // ensure exported functions are bound to their module object
-    if (typeof value === "function") {
-      return FunctionPrototypeBind(value, mod);
-    } else {
-      return value;
-    }
-  }
-
   /** @param specifier {string} */
   function packageSpecifierSubPath(specifier) {
     let parts = specifier.split("/");
@@ -892,7 +882,6 @@
       toRealPath,
       cjsParseCache,
       readPackageScope,
-      bindExport,
       moduleExports: m,
     },
   };