lib: rename js source to lower snake_case

This commit renames all JavaScript source files in lib to lower
snake_case.

PR-URL: nodejs#19556
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>

lib/_stream_readable.js

@@ -29,7 +29,7 @@ const Stream = require('stream');
 const { Buffer } = require('buffer');
 const util = require('util');
 const debug = util.debuglog('stream');
-const BufferList = require('internal/streams/BufferList');
+const BufferList = require('internal/streams/buffer_list');
 const destroyImpl = require('internal/streams/destroy');
 const errors = require('internal/errors');
 var StringDecoder;

lib/internal/modules/cjs/loader.js

@@ -50,8 +50,9 @@ module.exports = Module;
 
 // these are below module.exports for the circular reference
 const asyncESM = require('internal/process/esm_loader');
-const ModuleJob = require('internal/modules/esm/ModuleJob');
-const createDynamicModule = require('internal/modules/esm/CreateDynamicModule');
+const ModuleJob = require('internal/modules/esm/module_job');
+const createDynamicModule = require(
+  'internal/modules/esm/create_dynamic_module');
 const {
   CHAR_UPPERCASE_A,
   CHAR_LOWERCASE_A,

lib/internal/modules/esm/Loader.js → lib/internal/modules/esm/loader.js

@@ -1,11 +1,12 @@
 'use strict';
 
 const errors = require('internal/errors');
-const ModuleMap = require('internal/modules/esm/ModuleMap');
-const ModuleJob = require('internal/modules/esm/ModuleJob');
-const defaultResolve = require('internal/modules/esm/DefaultResolve');
-const createDynamicModule = require('internal/modules/esm/CreateDynamicModule');
-const translators = require('internal/modules/esm/Translators');
+const ModuleMap = require('internal/modules/esm/module_map');
+const ModuleJob = require('internal/modules/esm/module_job');
+const defaultResolve = require('internal/modules/esm/default_resolve');
+const createDynamicModule = require(
+  'internal/modules/esm/create_dynamic_module');
+const translators = require('internal/modules/esm/translators');
 
 const FunctionBind = Function.call.bind(Function.prototype.bind);
 

lib/internal/modules/esm/ModuleMap.js → lib/internal/modules/esm/module_map.js

@@ -1,6 +1,6 @@
 'use strict';
 
-const ModuleJob = require('internal/modules/esm/ModuleJob');
+const ModuleJob = require('internal/modules/esm/module_job');
 const { SafeMap } = require('internal/safe_globals');
 const debug = require('util').debuglog('esm');
 const errors = require('internal/errors');

lib/internal/modules/esm/Translators.js → lib/internal/modules/esm/translators.js

@@ -8,7 +8,8 @@ const {
 } = require('internal/modules/cjs/helpers');
 const CJSModule = require('internal/modules/cjs/loader');
 const internalURLModule = require('internal/url');
-const createDynamicModule = require('internal/modules/esm/CreateDynamicModule');
+const createDynamicModule = require(
+  'internal/modules/esm/create_dynamic_module');
 const fs = require('fs');
 const { _makeLong } = require('path');
 const { SafeMap } = require('internal/safe_globals');

lib/internal/process/esm_loader.js

@@ -6,7 +6,7 @@ const {
 } = internalBinding('module_wrap');
 
 const { getURLFromFilePath } = require('internal/url');
-const Loader = require('internal/modules/esm/Loader');
+const Loader = require('internal/modules/esm/loader');
 const path = require('path');
 const { URL } = require('url');
 

lib/vm.js

@@ -209,4 +209,4 @@ module.exports = {
 };
 
 if (process.binding('config').experimentalVMModules)
-  module.exports.Module = require('internal/vm/Module').Module;
+  module.exports.Module = require('internal/vm/module').Module;

node.gyp

@@ -107,12 +107,12 @@
       'lib/internal/linkedlist.js',
       'lib/internal/modules/cjs/helpers.js',
       'lib/internal/modules/cjs/loader.js',
-      'lib/internal/modules/esm/Loader.js',
-      'lib/internal/modules/esm/CreateDynamicModule.js',
-      'lib/internal/modules/esm/DefaultResolve.js',
-      'lib/internal/modules/esm/ModuleJob.js',
-      'lib/internal/modules/esm/ModuleMap.js',
-      'lib/internal/modules/esm/Translators.js',
+      'lib/internal/modules/esm/loader.js',
+      'lib/internal/modules/esm/create_dynamic_module.js',
+      'lib/internal/modules/esm/default_resolve.js',
+      'lib/internal/modules/esm/module_job.js',
+      'lib/internal/modules/esm/module_map.js',
+      'lib/internal/modules/esm/translators.js',
       'lib/internal/safe_globals.js',
       'lib/internal/net.js',
       'lib/internal/os.js',
@@ -142,10 +142,10 @@
       'lib/internal/http2/util.js',
       'lib/internal/v8_prof_polyfill.js',
       'lib/internal/v8_prof_processor.js',
-      'lib/internal/vm/Module.js',
       'lib/internal/stream_base_commons.js',
+      'lib/internal/vm/module.js',
       'lib/internal/streams/lazy_transform.js',
-      'lib/internal/streams/BufferList.js',
+      'lib/internal/streams/buffer_list.js',
       'lib/internal/streams/legacy.js',
       'lib/internal/streams/destroy.js',
       'lib/internal/wrap_js_stream.js',

test/es-module/test-esm-loader-modulemap.js

@@ -7,10 +7,11 @@
 const common = require('../common');
 
 const { URL } = require('url');
-const Loader = require('internal/modules/esm/Loader');
-const ModuleMap = require('internal/modules/esm/ModuleMap');
-const ModuleJob = require('internal/modules/esm/ModuleJob');
-const createDynamicModule = require('internal/modules/esm/CreateDynamicModule');
+const Loader = require('internal/modules/esm/loader');
+const ModuleMap = require('internal/modules/esm/module_map');
+const ModuleJob = require('internal/modules/esm/module_job');
+const createDynamicModule = require(
+  'internal/modules/esm/create_dynamic_module');
 
 const stubModuleUrl = new URL('file://tmp/test');
 const stubModule = createDynamicModule(['default'], stubModuleUrl);

test/es-module/test-esm-loader-search.js

@@ -5,7 +5,7 @@
 
 const common = require('../common');
 
-const { search } = require('internal/modules/esm/DefaultResolve');
+const { search } = require('internal/modules/esm/default_resolve');
 const errors = require('internal/errors');
 
 common.expectsError(

test/message/esm_display_syntax_error.out

@@ -3,5 +3,5 @@ file:///*/test/message/esm_display_syntax_error.mjs:3
 await async () => 0;
 ^^^^^
 SyntaxError: Unexpected reserved word
-    at translators.set (internal/modules/esm/Translators.js:*:*)
+    at translators.set (internal/modules/esm/translators.js:*:*)
     at <anonymous>

test/message/esm_display_syntax_error_import.out

@@ -3,5 +3,5 @@ file:///*/test/message/esm_display_syntax_error_import.mjs:6
   notfound
   ^^^^^^^^
 SyntaxError: The requested module does not provide an export named 'notfound'
-    at ModuleJob._instantiate (internal/modules/esm/ModuleJob.js:*:*)
+    at ModuleJob._instantiate (internal/modules/esm/module_job.js:*:*)
     at <anonymous>

test/message/esm_display_syntax_error_import_module.out

@@ -3,5 +3,5 @@ file:///*/test/fixtures/es-module-loaders/syntax-error-import.mjs:1
 import { foo, notfound } from './module-named-exports';
               ^^^^^^^^
 SyntaxError: The requested module does not provide an export named 'notfound'
-    at ModuleJob._instantiate (internal/modules/esm/ModuleJob.js:*:*)
+    at ModuleJob._instantiate (internal/modules/esm/module_job.js:*:*)
     at <anonymous>

test/message/esm_display_syntax_error_module.out

@@ -3,5 +3,5 @@ file:///*/test/fixtures/es-module-loaders/syntax-error.mjs:2
 await async () => 0;
 ^^^^^
 SyntaxError: Unexpected reserved word
-    at translators.set (internal/modules/esm/Translators.js:*:*)
+    at translators.set (internal/modules/esm/translators.js:*:*)
     at <anonymous>

test/parallel/test-internal-module-map-asserts.js

@@ -3,7 +3,7 @@
 
 const common = require('../common');
 const assert = require('assert');
-const ModuleMap = require('internal/modules/esm/ModuleMap');
+const ModuleMap = require('internal/modules/esm/module_map');
 
 // ModuleMap.get, ModuleMap.has and ModuleMap.set should only accept string
 // values as url argument.

test/parallel/test-stream-buffer-list.js

@@ -2,7 +2,7 @@
 'use strict';
 require('../common');
 const assert = require('assert');
-const BufferList = require('internal/streams/BufferList');
+const BufferList = require('internal/streams/buffer_list');
 
 // Test empty buffer list.
 const emptyList = new BufferList();

test/parallel/test-stream2-readable-from-list.js

@@ -24,7 +24,7 @@
 require('../common');
 const assert = require('assert');
 const fromList = require('_stream_readable')._fromList;
-const BufferList = require('internal/streams/BufferList');
+const BufferList = require('internal/streams/buffer_list');
 
 function bufferListFromArray(arr) {
   const bl = new BufferList();