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| author | Bartek Iwańczuk <biwanczuk@gmail.com> | 2022-02-27 14:38:45 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-02-27 14:38:45 +0100 |
| commit | a65ce33fabb44bb2d9ed04773f7f334ed9c9a6b5 (patch) | |
| tree | f5c169945377c3f806b514162408b81b5611ad44 /cli/tests | |
| parent | 4bea1d06c7ddb177ed20e0f32b70d7ff889871ab (diff) | |
feat(compat): CJS/ESM interoperability (#13553)
This commit adds CJS/ESM interoperability when running in --compat mode.
Before executing files, they are analyzed and all CommonJS modules are
transformed on the fly to a ES modules. This is done by utilizing analyze_cjs()
functionality from deno_ast. After discovering exports and reexports, an ES
module is rendered and saved in memory for later use.
There's a caveat that all files ending with ".js" extension are considered as
CommonJS modules (unless there's a related "package.json" with "type": "module").
Diffstat (limited to 'cli/tests')
6 files changed, 20 insertions, 0 deletions
diff --git a/cli/tests/integration/compat_tests.rs b/cli/tests/integration/compat_tests.rs index 189e1eb41..c8fc1c0a0 100644 --- a/cli/tests/integration/compat_tests.rs +++ b/cli/tests/integration/compat_tests.rs @@ -95,6 +95,12 @@ itest!(compat_worker { output: "compat/worker/worker_test.out", }); +itest!(cjs_esm_interop { + args: + "run --compat --unstable -A --quiet --no-check compat/import_cjs_from_esm/main.mjs", + output: "compat/import_cjs_from_esm.out", +}); + #[test] fn globals_in_repl() { let (out, _err) = util::run_and_collect_output_with_args( diff --git a/cli/tests/testdata/compat/import_cjs_from_esm.out b/cli/tests/testdata/compat/import_cjs_from_esm.out new file mode 100644 index 000000000..ffaa5e406 --- /dev/null +++ b/cli/tests/testdata/compat/import_cjs_from_esm.out @@ -0,0 +1 @@ +{ a: "A", b: "B", foo: "foo", bar: "bar", fizz: { buzz: "buzz", fizz: "FIZZ" } } diff --git a/cli/tests/testdata/compat/import_cjs_from_esm/imported.js b/cli/tests/testdata/compat/import_cjs_from_esm/imported.js new file mode 100644 index 000000000..49ab4c782 --- /dev/null +++ b/cli/tests/testdata/compat/import_cjs_from_esm/imported.js @@ -0,0 +1,9 @@ +exports = { + a: "A", + b: "B", +}; +exports.foo = "foo"; +exports.bar = "bar"; +exports.fizz = require("./reexports.js"); + +console.log(exports); diff --git a/cli/tests/testdata/compat/import_cjs_from_esm/main.mjs b/cli/tests/testdata/compat/import_cjs_from_esm/main.mjs new file mode 100644 index 000000000..6fbed1b7c --- /dev/null +++ b/cli/tests/testdata/compat/import_cjs_from_esm/main.mjs @@ -0,0 +1 @@ +import "./imported.js"; diff --git a/cli/tests/testdata/compat/import_cjs_from_esm/reexports.js b/cli/tests/testdata/compat/import_cjs_from_esm/reexports.js new file mode 100644 index 000000000..62edb7708 --- /dev/null +++ b/cli/tests/testdata/compat/import_cjs_from_esm/reexports.js @@ -0,0 +1 @@ +module.exports = require("./reexports2.js"); diff --git a/cli/tests/testdata/compat/import_cjs_from_esm/reexports2.js b/cli/tests/testdata/compat/import_cjs_from_esm/reexports2.js new file mode 100644 index 000000000..183d833b0 --- /dev/null +++ b/cli/tests/testdata/compat/import_cjs_from_esm/reexports2.js @@ -0,0 +1,2 @@ +exports.buzz = "buzz"; +exports.fizz = "FIZZ"; |