Redirect source-map-support to @cspotcode/source-map-support (#1496)

* initial commit

* install source-map-support from git for tests

Author: cspotcode

.prettierignore

@@ -10,3 +10,4 @@ tests/main-realpath/symlink/tsconfig.json
 tests/throw error.ts
 tests/throw error react tsx.tsx
 tests/esm/throw error.ts
+tests/legacy-source-map-support-interop/index.ts

package-lock.json

@@ -152,7 +152,7 @@
     }
   },
   "dependencies": {
-    "@cspotcode/source-map-support": "0.6.1",
+    "@cspotcode/source-map-support": "github:cspotcode/node-source-map-support",
     "@tsconfig/node10": "^1.0.7",
     "@tsconfig/node12": "^1.0.7",
     "@tsconfig/node14": "^1.0.0",

package.json

@@ -677,6 +677,20 @@ export function create(rawOptions: CreateOptions = {}): Service {
       path = normalizeSlashes(path);
       return outputCache.get(path)?.content || '';
     },
+    redirectConflictingLibrary: true,
+    onConflictingLibraryRedirect(
+      request,
+      parent,
+      isMain,
+      options,
+      redirectedRequest
+    ) {
+      debug(
+        `Redirected an attempt to require source-map-support to instead receive @cspotcode/source-map-support.  "${
+          (parent as NodeJS.Module).filename
+        }" attempted to require or resolve "${request}" and was redirected to "${redirectedRequest}".`
+      );
+    },
   });
 
   const shouldHavePrettyErrors =

src/index.ts

@@ -0,0 +1,30 @@
+import * as expect from 'expect';
+import { createExec, createExecTester } from './exec-helpers';
+import {
+  CMD_TS_NODE_WITH_PROJECT_FLAG,
+  contextTsNodeUnderTest,
+  TEST_DIR,
+} from './helpers';
+import { test as _test } from './testlib';
+const test = _test.context(contextTsNodeUnderTest);
+
+const exec = createExecTester({
+  cmd: CMD_TS_NODE_WITH_PROJECT_FLAG,
+  exec: createExec({
+    cwd: TEST_DIR,
+  }),
+});
+
+test('Redirects source-map-support to @cspotcode/source-map-support so that third-party libraries get correct source-mapped locations', async () => {
+  const { stdout } = await exec({
+    flags: `./legacy-source-map-support-interop/index.ts`,
+  });
+  expect(stdout.split('\n')).toMatchObject([
+    expect.stringContaining('.ts:2 '),
+    'true',
+    'true',
+    expect.stringContaining('.ts:100:'),
+    expect.stringContaining('.ts:101 '),
+    '',
+  ]);
+});

src/test/sourcemaps.spec.ts

@@ -0,0 +1,101 @@
+import { Logger } from 'tslog';
+new Logger().info('hi');
+console.log(require.resolve('source-map-support') === require.resolve('@cspotcode/source-map-support'));
+console.log(require.resolve('source-map-support/register') === require.resolve('@cspotcode/source-map-support/register'));
+/*
+tslog uses `require('source-map-support').wrapCallSite` directly.
+Without redirection to @cspotcode/source-map-support it does not have access to the sourcemap information we provide.
+*/
+interface Foo {
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+console.log(new Error().stack!.split('\n')[1]);
+new Logger().info('hi');

tests/legacy-source-map-support-interop/index.ts

@@ -1,6 +1,7 @@
 {
   "dependencies": {
     "@swc/core": "latest",
-    "ts-node": "file:ts-node-packed.tgz"
+    "ts-node": "file:ts-node-packed.tgz",
+    "tslog": "3.2.2"
   }
 }