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author | Josh Meredith <joshmeredith2008@gmail.com> | 2023-03-06 09:18:03 +0000 |
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committer | Josh Meredith <joshmeredith2008@gmail.com> | 2023-04-11 10:27:20 +0000 |
commit | ffb4fc49cc57c411dcd2d83f8b5e6c3fb48923b7 (patch) | |
tree | 5951ce0b43bfc9870c026bd16099b9539547ec99 /testsuite/tests/javascript/js-ffi-array.hs | |
parent | 3ba77b369a170ba68f4eb5c8f3ae13e03dcbb28d (diff) | |
download | haskell-wip/js-exports.tar.gz |
Base/JS: GHC.JS.Foreign.Callback module (issue 23126)wip/js-exports
* Add the Callback module for "exporting" Haskell functions
to be available to plain JavaScript code
* Fix some primitives defined in GHC.JS.Prim
* Add a JavaScript section to the user guide with instructions
on how to use the JavaScript FFI, building up to using Callbacks
to interact with the browser
* Add tests for the JavaScript FFI and Callbacks
Diffstat (limited to 'testsuite/tests/javascript/js-ffi-array.hs')
-rw-r--r-- | testsuite/tests/javascript/js-ffi-array.hs | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/testsuite/tests/javascript/js-ffi-array.hs b/testsuite/tests/javascript/js-ffi-array.hs new file mode 100644 index 0000000000..00e1e80383 --- /dev/null +++ b/testsuite/tests/javascript/js-ffi-array.hs @@ -0,0 +1,18 @@ +import GHC.JS.Prim + +foreign import javascript "((xs) => { console.log(xs) })" + log_js :: JSVal -> IO () + +foreign import javascript "((xs,i) => { return xs[i]; })" + js_index :: JSVal -> JSVal -> JSVal + +foreign import javascript "(() => { return ['t','e','s','t']; })" + an_array :: JSVal + +main :: IO () +main = do + log_js =<< toJSArray [] + log_js =<< toJSArray [jsNull, toJSInt 0, toJSString "", toJSInt 1, toJSString "test", toJSInt 2] + xs <- toJSArray $ map toJSInt [1..10] + log_js $ js_index xs (toJSInt 3) + mapM_ log_js =<< fromJSArray an_array |