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denoland-deno/ext/node/polyfill.rs
2024-01-01 19:58:21 +00:00

92 lines
1.7 KiB
Rust

// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
use deno_core::ModuleSpecifier;
/// e.g. `is_builtin_node_module("assert")`
pub fn is_builtin_node_module(module_name: &str) -> bool {
SUPPORTED_BUILTIN_NODE_MODULES
.iter()
.any(|m| *m == module_name)
}
/// Ex. returns `fs` for `node:fs`
pub fn get_module_name_from_builtin_node_module_specifier(
specifier: &ModuleSpecifier,
) -> Option<&str> {
if specifier.scheme() != "node" {
return None;
}
let (_, specifier) = specifier.as_str().split_once(':')?;
Some(specifier)
}
macro_rules! generate_builtin_node_module_lists {
($( $module_name:literal ,)+) => {
pub static SUPPORTED_BUILTIN_NODE_MODULES: &[&str] = &[
$(
$module_name,
)+
];
pub static SUPPORTED_BUILTIN_NODE_MODULES_WITH_PREFIX: &[&str] = &[
$(
concat!("node:", $module_name),
)+
];
};
}
// NOTE(bartlomieju): keep this list in sync with `ext/node/polyfills/01_require.js`
generate_builtin_node_module_lists! {
"assert",
"assert/strict",
"async_hooks",
"buffer",
"child_process",
"cluster",
"console",
"constants",
"crypto",
"dgram",
"diagnostics_channel",
"dns",
"dns/promises",
"domain",
"events",
"fs",
"fs/promises",
"http",
"http2",
"https",
"module",
"net",
"os",
"path",
"path/posix",
"path/win32",
"perf_hooks",
"process",
"punycode",
"querystring",
"repl",
"readline",
"stream",
"stream/consumers",
"stream/promises",
"stream/web",
"string_decoder",
"sys",
"test",
"timers",
"timers/promises",
"tls",
"tty",
"url",
"util",
"util/types",
"v8",
"vm",
"worker_threads",
"zlib",
}