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88 lines
2.3 KiB
Rust
88 lines
2.3 KiB
Rust
// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
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use deno_core::url::Url;
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use std::collections::HashMap;
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// TODO(bartlomieju): this needs to be bumped manually for
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// each release, a better mechanism is preferable, but it's a quick and dirty
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// solution to avoid printing `X-Deno-Warning` headers when the compat layer is
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// downloaded
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static STD_URL: &str = "https://deno.land/std@0.111.0/";
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static GLOBAL_MODULE: &str = "global.ts";
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static SUPPORTED_MODULES: &[&str] = &[
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"assert",
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"assert/strict",
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"async_hooks",
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"buffer",
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"child_process",
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"cluster",
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"console",
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"constants",
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"crypto",
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"dgram",
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"dns",
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"domain",
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"events",
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"fs",
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"fs/promises",
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"http",
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"https",
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"module",
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"net",
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"os",
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"path",
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"path/posix",
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"path/win32",
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"perf_hooks",
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"process",
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"querystring",
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"readline",
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"stream",
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"stream/promises",
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"stream/web",
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"string_decoder",
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"sys",
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"timers",
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"timers/promises",
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"tls",
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"tty",
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"url",
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"util",
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"util/types",
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"v8",
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"vm",
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"zlib",
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];
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lazy_static::lazy_static! {
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static ref GLOBAL_URL_STR: String = format!("{}node/{}", STD_URL, GLOBAL_MODULE);
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pub(crate) static ref GLOBAL_URL: Url = Url::parse(&GLOBAL_URL_STR).unwrap();
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static ref COMPAT_IMPORT_URL: Url = Url::parse("flags:compat").unwrap();
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}
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/// Provide imports into a module graph when the compat flag is true.
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pub(crate) fn get_node_imports() -> Vec<(Url, Vec<String>)> {
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vec![(COMPAT_IMPORT_URL.clone(), vec![GLOBAL_URL_STR.clone()])]
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}
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/// Create a map that can be used to update import map.
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///
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/// Keys are built-in Node modules (and built-ins prefixed with "node:"), while
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/// values are URLs pointing to relevant files in deno.land/std/node/ directory.
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pub fn get_mapped_node_builtins() -> HashMap<String, String> {
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let mut mappings = HashMap::new();
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for module in SUPPORTED_MODULES {
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// TODO(bartlomieju): this is unversioned, and should be fixed to use latest stable?
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let module_url = format!("{}node/{}.ts", STD_URL, module);
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mappings.insert(module.to_string(), module_url.clone());
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// Support for `node:<module_name>`
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// https://nodejs.org/api/esm.html#esm_node_imports
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let node_prefixed = format!("node:{}", module);
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mappings.insert(node_prefixed, module_url);
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}
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mappings
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}
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