From 617eeabe8369d7bfca7951d1cd55ac58ede1f9fb Mon Sep 17 00:00:00 2001
From: Bartek Iwańczuk <biwanczuk@gmail.com>
Date: Mon, 18 Oct 2021 19:36:28 +0200
Subject: feat(unstable): Node CJS and ESM resolvers for compat mode (#12424)

This commit adds CJS and ESM Node resolvers to the "--compat" mode.

The functionality is spread across "cli/compat" module and Node compatibility
layer in "deno_std/node"; this stems from the fact that ES module resolution
can only be implemented in Rust as it needs to directly integrated with
"deno_core"; however "deno_std/node" already provided CJS module resolution.

Currently this resolution is only active when running a files using
"deno run --compat --unstable <filename>", and is not available in other
subcommands, which will be changed in follow up commits.
---
 cli/compat/testdata/conditions/main.js                  |  1 +
 .../node_modules/imports_exports/import_export.js       |  6 ++++++
 .../node_modules/imports_exports/import_polyfill.js     |  3 +++
 .../node_modules/imports_exports/package.json           | 17 +++++++++++++++++
 .../node_modules/imports_exports/require_export.cjs     |  6 ++++++
 .../node_modules/imports_exports/require_polyfill.js    |  3 +++
 cli/compat/testdata/conditions/package.json             |  7 +++++++
 7 files changed, 43 insertions(+)
 create mode 100644 cli/compat/testdata/conditions/main.js
 create mode 100644 cli/compat/testdata/conditions/node_modules/imports_exports/import_export.js
 create mode 100644 cli/compat/testdata/conditions/node_modules/imports_exports/import_polyfill.js
 create mode 100644 cli/compat/testdata/conditions/node_modules/imports_exports/package.json
 create mode 100644 cli/compat/testdata/conditions/node_modules/imports_exports/require_export.cjs
 create mode 100644 cli/compat/testdata/conditions/node_modules/imports_exports/require_polyfill.js
 create mode 100644 cli/compat/testdata/conditions/package.json

(limited to 'cli/compat/testdata/conditions')

diff --git a/cli/compat/testdata/conditions/main.js b/cli/compat/testdata/conditions/main.js
new file mode 100644
index 000000000..cafddb5d6
--- /dev/null
+++ b/cli/compat/testdata/conditions/main.js
@@ -0,0 +1 @@
+import "imports_exports";
diff --git a/cli/compat/testdata/conditions/node_modules/imports_exports/import_export.js b/cli/compat/testdata/conditions/node_modules/imports_exports/import_export.js
new file mode 100644
index 000000000..3ebd222ea
--- /dev/null
+++ b/cli/compat/testdata/conditions/node_modules/imports_exports/import_export.js
@@ -0,0 +1,6 @@
+import dep from "#dep";
+
+export default {
+  bar: "bar",
+  dep,
+};
diff --git a/cli/compat/testdata/conditions/node_modules/imports_exports/import_polyfill.js b/cli/compat/testdata/conditions/node_modules/imports_exports/import_polyfill.js
new file mode 100644
index 000000000..76716a3ef
--- /dev/null
+++ b/cli/compat/testdata/conditions/node_modules/imports_exports/import_polyfill.js
@@ -0,0 +1,3 @@
+export default {
+  polyfill: "import",
+};
diff --git a/cli/compat/testdata/conditions/node_modules/imports_exports/package.json b/cli/compat/testdata/conditions/node_modules/imports_exports/package.json
new file mode 100644
index 000000000..5d26359db
--- /dev/null
+++ b/cli/compat/testdata/conditions/node_modules/imports_exports/package.json
@@ -0,0 +1,17 @@
+{
+  "version": "1.0.0",
+  "name": "imports_exports",
+  "main": "./require_export.cjs",
+  "imports": {
+    "#dep": {
+      "import": "./import_polyfill.js",
+      "require": "./require_polyfill.js"
+    }
+  },
+  "exports": {
+    ".": {
+      "import": "./import_export.js",
+      "require": "./require_export.cjs"
+    }
+  }
+}
diff --git a/cli/compat/testdata/conditions/node_modules/imports_exports/require_export.cjs b/cli/compat/testdata/conditions/node_modules/imports_exports/require_export.cjs
new file mode 100644
index 000000000..11648c0d7
--- /dev/null
+++ b/cli/compat/testdata/conditions/node_modules/imports_exports/require_export.cjs
@@ -0,0 +1,6 @@
+const dep = require("#dep");
+
+module.exports = {
+    foo: "foo",
+    dep,
+};
\ No newline at end of file
diff --git a/cli/compat/testdata/conditions/node_modules/imports_exports/require_polyfill.js b/cli/compat/testdata/conditions/node_modules/imports_exports/require_polyfill.js
new file mode 100644
index 000000000..1023fd65c
--- /dev/null
+++ b/cli/compat/testdata/conditions/node_modules/imports_exports/require_polyfill.js
@@ -0,0 +1,3 @@
+module.exports = {
+  polyfill: "require",
+};
diff --git a/cli/compat/testdata/conditions/package.json b/cli/compat/testdata/conditions/package.json
new file mode 100644
index 000000000..4d6d004dd
--- /dev/null
+++ b/cli/compat/testdata/conditions/package.json
@@ -0,0 +1,7 @@
+{
+  "name": "conditions",
+  "type": "module",
+  "dependencies": {
+    "imports_exports": "1.0.0"
+  }
+}
-- 
cgit v1.3