module: unflag esm json modules

PR-URL: https://github.com/nodejs/node/pull/41736
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Guy Bedford <guybedford@gmail.com>
Reviewed-By: Mohammed Keyvanzadeh <mohammadkeyvanzade94@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Bradley Farias <bradley.meck@gmail.com>

1 files changed, 4 insertions, 7 deletions

diff --git a/lib/internal/modules/esm/get_format.js b/lib/internal/modules/esm/get_format.js
index 97128901395..ca90cd6a5d1 100644
--- a/lib/internal/modules/esm/get_format.js
+++ b/lib/internal/modules/esm/get_format.js
@@ -8,7 +8,6 @@ const {
 const { extname } = require('path');
 const { getOptionValue } = require('internal/options');
 
-const experimentalJsonModules = getOptionValue('--experimental-json-modules');
 const experimentalSpecifierResolution =
   getOptionValue('--experimental-specifier-resolution');
 const experimentalWasmModules = getOptionValue('--experimental-wasm-modules');
@@ -20,7 +19,8 @@ const extensionFormatMap = {
   '__proto__': null,
   '.cjs': 'commonjs',
   '.js': 'module',
-  '.mjs': 'module'
+  '.json': 'json',
+  '.mjs': 'module',
 };
 
 const legacyExtensionFormatMap = {
@@ -29,7 +29,7 @@ const legacyExtensionFormatMap = {
   '.js': 'commonjs',
   '.json': 'commonjs',
   '.mjs': 'module',
-  '.node': 'commonjs'
+  '.node': 'commonjs',
 };
 
 let experimentalSpecifierResolutionWarned = false;
@@ -37,9 +37,6 @@ let experimentalSpecifierResolutionWarned = false;
 if (experimentalWasmModules)
   extensionFormatMap['.wasm'] = legacyExtensionFormatMap['.wasm'] = 'wasm';
 
-if (experimentalJsonModules)
-  extensionFormatMap['.json'] = legacyExtensionFormatMap['.json'] = 'json';
-
 const protocolHandlers = ObjectAssign(ObjectCreate(null), {
   'data:'(parsed) {
     const { 1: mime } = RegExpPrototypeExec(
@@ -49,7 +46,7 @@ const protocolHandlers = ObjectAssign(ObjectCreate(null), {
     const format = ({
       '__proto__': null,
       'text/javascript': 'module',
-      'application/json': experimentalJsonModules ? 'json' : null,
+      'application/json': 'json',
       'application/wasm': experimentalWasmModules ? 'wasm' : null
     })[mime] || null;