fix(ext/node): lossy UTF-8 read node_modules files (#24140)

Previously various reads of files in `node_modules` would error on
invalid UTF-8. These were cases involving:

- reading package.json from Rust
- reading package.json from JS
- reading CommonJS files from JS
- reading CommonJS files from Rust (for ESM translation)
- reading ESM files from Rust

3 files changed, 11 insertions, 0 deletions

diff --git a/tests/specs/npm/lossy_utf8_package_json/__test__.jsonc b/tests/specs/npm/lossy_utf8_package_json/__test__.jsonc
new file mode 100644
index 000000000..1ee7d2d6c
--- /dev/null
+++ b/tests/specs/npm/lossy_utf8_package_json/__test__.jsonc
@@ -0,0 +1,5 @@
+{
+  "args": "run main.mjs",
+  "output": "main.out",
+  "exitCode": 0
+}
diff --git a/tests/specs/npm/lossy_utf8_package_json/main.mjs b/tests/specs/npm/lossy_utf8_package_json/main.mjs
new file mode 100644
index 000000000..9a63eb604
--- /dev/null
+++ b/tests/specs/npm/lossy_utf8_package_json/main.mjs
@@ -0,0 +1,3 @@
+import mod from "npm:@denotest/lossy-utf8-package-json@1.0.0";
+
+console.log(mod);
diff --git a/tests/specs/npm/lossy_utf8_package_json/main.out b/tests/specs/npm/lossy_utf8_package_json/main.out
new file mode 100644
index 000000000..99aa5ab61
--- /dev/null
+++ b/tests/specs/npm/lossy_utf8_package_json/main.out
@@ -0,0 +1,3 @@
+Download http://localhost:4260/@denotest/lossy-utf8-package-json
+Download http://localhost:4260/@denotest/lossy-utf8-package-json/1.0.0.tgz
+hello