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This adds a start method to the Context to make starting a command less tedious and yield consistent errors. Manually setting the memory is still valid for more complex scenarios, just undocumented for the time being.
1.4 KiB
1.4 KiB
wasi
This module provides an implementation of the WebAssembly System Interface.
Supported Syscalls
wasi_snapshot_preview1
- args_get
- args_sizes_get
- environ_get
- environ_sizes_get
- clock_res_get
- clock_time_get
- fd_advise
- fd_allocate
- fd_close
- fd_datasync
- fd_fdstat_get
- fd_fdstat_set_flags
- fd_fdstat_set_rights
- fd_filestat_get
- fd_filestat_set_size
- 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
- fd_tell
- fd_write
- path_create_directory
- path_filestat_get
- path_filestat_set_times
- path_link
- path_open
- 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
Usage
import Context from "https://deno.land/std@$STD_VERSION/wasi/snapshot_preview1.ts";
const context = new Context({
args: Deno.args,
env: Deno.env.toObject(),
});
const binary = await Deno.readFile("path/to/your/module.wasm");
const module = await WebAssembly.compile(binary);
const instance = await WebAssembly.instantiate(module, {
"wasi_snapshot_preview1": context.exports,
});
context.start(instance);