Filter out namespaced internal modules

Fixes: #54
Refs: nodejs/node#35498

PR-URL: #55
Credit: @richardlau
Close: #55
Reviewed-by: @isaacs

index.js

@@ -6,11 +6,11 @@ const natives = [].concat(
   require('module').builtinModules,
   'bootstrap_node',
   'node',
-).map(n => new RegExp(`(?:\\(${n}\\.js:\\d+:\\d+\\)$|^\\s*at ${n}\\.js:\\d+:\\d+$)`));
+).map(n => new RegExp(`(?:\\((?:node:)?${n}(?:\\.js)?:\\d+:\\d+\\)$|^\\s*at (?:node:)?${n}(?:\\.js)?:\\d+:\\d+$)`));
 
 natives.push(
-  /\(internal\/[^:]+:\d+:\d+\)$/,
-  /\s*at internal\/[^:]+:\d+:\d+$/,
+  /\((?:node:)?internal\/[^:]+:\d+:\d+\)$/,
+  /\s*at (?:node:)?internal\/[^:]+:\d+:\d+$/,
   /\/\.node-spawn-wrap-\w+-\w+\/node:\d+:\d+\)?$/
 );
 

test/internals.js

@@ -0,0 +1,42 @@
+'use strict';
+
+const t = require('tap');
+const StackUtils = require('../');
+
+const utils = require('./_utils');
+
+const stackUtils = new StackUtils({ cwd: '/home/user' });
+
+t.test('removes namespaced internal modules', t => {
+  const stack = utils.join([
+    'at Test.<anonymous> (test/test.js:99:5)',
+    'at TapWrap.runInAsyncScope (node:async_hooks:193:9)',
+    'at Object.<anonymous> (test/test.js:94:3)',
+    'at Module._compile (node:internal/modules/cjs/loader:1083:30)',
+    'at Module.replacementCompile (node_modules/append-transform/index.js:58:13)',
+    'at Module._extensions..js (node:internal/modules/cjs/loader:1112:10)',
+    'at Object.<anonymous> (node_modules/append-transform/index.js:62:4)',
+    'at Module.load (node:internal/modules/cjs/loader:948:32)',
+    'at Function.Module._load (node:internal/modules/cjs/loader:789:14)',
+    'at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:72:12)',
+    'at Module._compile (node:internal/modules/cjs/loader:1083:30)',
+    'at Object.Module._extensions..js (node:internal/modules/cjs/loader:1112:10)',
+    'at Module.load (node:internal/modules/cjs/loader:948:32)',
+    'at Function.Module._load (node:internal/modules/cjs/loader:789:14)',
+    'at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:72:12)',
+    'at Module._compile (node:internal/modules/cjs/loader:1083:30)',
+    'at Object.Module._extensions..js (node:internal/modules/cjs/loader:1112:10)',
+    'at Module.load (node:internal/modules/cjs/loader:948:32)',
+    'at Function.Module._load (node:internal/modules/cjs/loader:789:14)',
+    'at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:72:12)',
+    'at node:internal/main/run_main_module:17:47'
+  ]);
+  const expectedStack = utils.join([
+    'Test.<anonymous> (test/test.js:99:5)',
+    'Object.<anonymous> (test/test.js:94:3)',
+    'Module.replacementCompile (node_modules/append-transform/index.js:58:13)',
+    'Object.<anonymous> (node_modules/append-transform/index.js:62:4)',
+  ])
+  t.plan(1);
+  t.is(stackUtils.clean(stack), expectedStack);
+});