Add support for Node without wasmer-js

This commit is contained in:
Frank Denis 2021-02-20 21:24:29 +01:00
parent 25316cce5a
commit 88a591050e

View File

@ -27,12 +27,6 @@ if [ -z "$WASI_RUNTIME" ] || [ "$WASI_RUNTIME" = "wasmer" ]; then
fi
fi
if [ -z "$WASI_RUNTIME" ] || [ "$WASI_RUNTIME" = "wasmer-js" ]; then
if command -v wasmer-js >/dev/null; then
wasmer-js run "$1" --dir=. && exit 0
fi
fi
if [ -z "$WASI_RUNTIME" ] || [ "$WASI_RUNTIME" = "wasm3" ]; then
if command -v wasm3 >/dev/null; then
wasm3 "$1" && exit 0
@ -65,5 +59,27 @@ if [ -z "$WASI_RUNTIME" ] || [ "$WASI_RUNTIME" = "lucet" ]; then
fi
fi
if [ -z "$WASI_RUNTIME" ] || [ "$WASI_RUNTIME" = "node" ]; then
if echo | node --experimental-wasi-unstable-preview1 >/dev/null 2>&1; then
{
echo "import fs from 'fs'; import { WASI } from 'wasi';"
echo "const wasi = new WASI({args: process.argv, env: process.env, preopens: {'.':'.'}});"
echo "const importObject = { wasi_snapshot_preview1: wasi.wasiImport };"
echo "const wasm = await WebAssembly.compile(fs.readFileSync('${1}'));"
echo "const instance = await WebAssembly.instantiate(wasm, importObject);"
echo "wasi.start(instance);"
} >"${1}.mjs"
cat "${1}.mjs" >/tmp/a
node --experimental-wasi-unstable-preview1 "${1}.mjs" 2>/tmp/err &&
rm -f "${1}.mjs" && exit 0
fi
fi
if [ -z "$WASI_RUNTIME" ] || [ "$WASI_RUNTIME" = "wasmer-js" ]; then
if command -v wasmer-js >/dev/null; then
wasmer-js run "$1" --dir=. && exit 0
fi
fi
echo "WebAssembly runtime failed" >&2
exit 1