feat(node): stabilize detecting if CJS via `"type": "commonjs"` in a package.json (#26439)

This will respect `"type": "commonjs"` in a package.json to determine if
`.js`/`.jsx`/`.ts`/.tsx` files are CJS or ESM. If the file is found to
be ESM it will be loaded as ESM though.

6 files changed, 29 insertions, 0 deletions

diff --git a/tests/registry/npm/@denotest/install-launch-cjs-temp-dir/1.0.0/install.js b/tests/registry/npm/@denotest/install-launch-cjs-temp-dir/1.0.0/install.js
new file mode 100644
index 000000000..61aadeb83
--- /dev/null
+++ b/tests/registry/npm/@denotest/install-launch-cjs-temp-dir/1.0.0/install.js
@@ -0,0 +1,12 @@
+const tempDir = Deno.makeTempDirSync();
+try {
+  // should work requiring these because this was launched via a node binary entrypoint
+  Deno.writeTextFileSync(`${tempDir}/index.js`, "module.exports = require('./other');");
+  Deno.writeTextFileSync(`${tempDir}/other.js`, "module.exports = (a, b) => a + b;");
+  const add = require(`${tempDir}/index.js`);
+  if (add(1, 2) !== 3) {
+    throw new Error("FAILED");
+  }
+} finally {
+  Deno.removeSync(tempDir, { recursive: true });
+}
diff --git a/tests/registry/npm/@denotest/install-launch-cjs-temp-dir/1.0.0/package.json b/tests/registry/npm/@denotest/install-launch-cjs-temp-dir/1.0.0/package.json
new file mode 100644
index 000000000..c3cf8dc4c
--- /dev/null
+++ b/tests/registry/npm/@denotest/install-launch-cjs-temp-dir/1.0.0/package.json
@@ -0,0 +1,7 @@
+{
+  "name": "@denotest/install-launch-cjs-temp-dir",
+  "version": "1.0.0",
+  "scripts": {
+    "install": "node install.js"
+  }
+}
\ No newline at end of file
diff --git a/tests/registry/npm/@denotest/install-no-ext/1.0.0/install/check.js b/tests/registry/npm/@denotest/install-no-ext/1.0.0/install/check.js
new file mode 100644
index 000000000..7d55c2481
--- /dev/null
+++ b/tests/registry/npm/@denotest/install-no-ext/1.0.0/install/check.js
@@ -0,0 +1 @@
+require("./output");
diff --git a/tests/registry/npm/@denotest/install-no-ext/1.0.0/install/index.js b/tests/registry/npm/@denotest/install-no-ext/1.0.0/install/index.js
new file mode 100644
index 000000000..7d55c2481
--- /dev/null
+++ b/tests/registry/npm/@denotest/install-no-ext/1.0.0/install/index.js
@@ -0,0 +1 @@
+require("./output");
diff --git a/tests/registry/npm/@denotest/install-no-ext/1.0.0/install/output.js b/tests/registry/npm/@denotest/install-no-ext/1.0.0/install/output.js
new file mode 100644
index 000000000..69668cd62
--- /dev/null
+++ b/tests/registry/npm/@denotest/install-no-ext/1.0.0/install/output.js
@@ -0,0 +1 @@
+console.log("SUCCESS");
diff --git a/tests/registry/npm/@denotest/install-no-ext/1.0.0/package.json b/tests/registry/npm/@denotest/install-no-ext/1.0.0/package.json
new file mode 100644
index 000000000..b9abed1f6
--- /dev/null
+++ b/tests/registry/npm/@denotest/install-no-ext/1.0.0/package.json
@@ -0,0 +1,7 @@
+{
+  "name": "@denotest/install-no-ext",
+  "version": "1.0.0",
+  "scripts": {
+    "install": "node install/check && node install"
+  }
+}
\ No newline at end of file