内容简介：This package provides an implementation of theThis is a work in progress so if a function isn't implemented, hit refresh.
WebAssembly System Interface implementation for Deno
This package provides an implementation of the WebAssembly System Interface for the Deno TypeScript runtime.
Status
This is a work in progress so if a function isn't implemented, hit refresh.
| Name | Status | Notes |
|---|---|---|
args_get
|
✓ | |
args_sizes_get
|
✓ | |
environ_get
|
✓ | |
environ_sizes_get
|
✓ | |
clock_res_get
|
✓ | |
clock_time_get
|
✓ | |
fd_advise
|
This has no obvious path to implementation at this time. | |
fd_allocate
|
This has no obvious path to implementation at this time. | |
fd_close
|
✓ | |
fd_datasync
|
This is blocking on getting fdatasync(2) implemented upstream in Deno. | |
fd_fdstat_get
|
✓ | This currently does not write flags and rights as we do not track those at the moment. |
fd_fdstat_set_flags
|
This has no obvious path to implementation at this time. | |
fd_fdstat_set_rights
|
||
fd_filestat_get
|
This is blocking on getting fstat implemented upstream in Deno. | |
fd_filestat_set_size
|
This is blocking on getting ftruncate implemented upstream in Deno. | |
fd_filestat_set_times
|
✓ | |
fd_pread
|
✓ | |
fd_prestat_get
|
✓ | |
fd_prestat_dir_name
|
✓ | |
fd_pwrite
|
✓ | |
fd_read
|
✓ | |
fd_readdir
|
||
fd_renumber
|
✓ | |
fd_seek
|
✓ | |
fd_sync
|
✓ | This is blocking on getting fsync(2) implemented upstream in Deno. |
fd_tell
|
✓ | |
fd_write
|
✓ | |
path_create_directory
|
✓ | |
path_filestat_get
|
✓ | |
path_filestat_set_times
|
✓ | |
path_link
|
✓ | |
path_open
|
✓ | Opening directories is not portable |
path_readlink
|
✓ | |
path_remove_directory
|
✓ | |
path_rename
|
✓ | |
path_symlink
|
✓ | |
path_unlink_file
|
✓ | |
poll_oneoff
|
✓ | |
proc_exit
|
✓ | |
proc_raise
|
||
sched_yield
|
||
random_get
|
✓ | |
sock_recv
|
||
sock_send
|
||
sock_shutdown
|
Example
import WASI from "https://deno.land/x/wasi/mod.ts";
const wasi = new WASI({
args: Deno.args,
env: Deno.env,
});
const binary = Deno.readAll("command.wasm");
const module = await WebAssembly.compile(binary);
const instance = await WebAssembly.instantiate(module, {
wasi_snapshot_preview1: wasi.exports,
});
wasi.memory = module.exports.memory;
if (module.exports._start) {
instance.exports._start();
} else if (module.exports._initialize) {
instance.exports._initialize();
} else {
throw new Error("No entry point found");
}
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