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#![deny(unused)]
use std::{
cmp::Ordering,
sync::{Arc, RwLock},
};
use fxhash::FxHashMap;
use once_cell::sync::Lazy;
use rayon::iter::{IntoParallelIterator, ParallelIterator};
use stc_ts_builtin_macro::builtin;
use swc_atoms::js_word;
use swc_common::{FileName, FilePathMapping, SourceMap};
use swc_ecma_ast::*;
use swc_ecma_parser::{
lexer::{input::StringInput, Lexer},
Parser, Syntax, TsConfig,
};
use swc_ecma_visit::{span_remover, FoldWith};
builtin!();
impl Lib {
pub fn load(lib_str: &str) -> Vec<Self> {
let lib: Self = match lib_str.parse() {
Ok(lib) => lib,
Err(..) => return vec![],
};
lib.load_deps()
}
fn body(self) -> &'static TsNamespaceDecl {
static CACHE: Lazy<RwLock<FxHashMap<Lib, &'static TsNamespaceDecl>>> = Lazy::new(Default::default);
{
let read = CACHE.read().expect("no panic is expected");
if let Some(v) = read.get(&self) {
return v;
}
}
let mut write = CACHE.write().expect("no panic is expect4ed");
{
if let Some(v) = write.get(&self) {
return v;
}
}
let v = Box::leak(Box::new(parse(self.content())));
assert_eq!(write.insert(self, v), None);
v
}
fn precedence(&self) -> usize {
match self {
Self::DecoratorsLegacy => 1,
Self::Decorators => 2,
Self::Es5 => 3,
Self::Es2015Core => 4,
Self::Es2015Collection => 5,
Self::Es2015Symbol => 6,
Self::Es2015Iterable => 7,
Self::Es2015Generator => 8,
Self::Es2015Promise => 9,
Self::Es2015Proxy => 10,
Self::Es2015Reflect => 11,
Self::Es2015SymbolWellknown => 12,
Self::Es2015 => 13,
Self::Es2016ArrayInclude => 14,
Self::Es2016 => 15,
Self::Es2017Object => 16,
Self::Es2017Sharedmemory => 17,
Self::Es2017String => 18,
Self::Es2017Intl => 19,
Self::Es2017Typedarrays => 20,
Self::Es2017 => 21,
Self::Es2018Asynciterable => 22,
Self::Es2018Asyncgenerator => 23,
Self::Es2018Promise => 24,
Self::Es2018Regexp => 25,
Self::Es2018Intl => 26,
Self::Es2018 => 27,
Self::Es2019Array => 28,
Self::Es2019Object => 29,
Self::Es2019String => 30,
Self::Es2019Symbol => 31,
Self::Es2019Intl => 32,
Self::Es2019 => 33,
Self::Es2020Intl => 34,
Self::Es2020Bigint => 35,
Self::Es2020Date => 36,
Self::Es2020Number => 37,
Self::Es2020Promise => 38,
Self::Es2020Sharedmemory => 39,
Self::Es2020String => 40,
Self::Es2020SymbolWellknown => 41,
Self::Es2020 => 42,
Self::Es2021Promise => 43,
Self::Es2021Intl => 44,
Self::Es2021String => 45,
Self::Es2021Weakref => 46,
Self::Es2021 => 47,
Self::Es2022Array => 48,
Self::Es2022Error => 49,
Self::Es2022Object => 50,
Self::Es2022Sharedmemory => 51,
Self::Es2022String => 52,
Self::Es2022Regexp => 53,
Self::Es2022Intl => 54,
Self::Es2022 => 55,
Self::Es2023Array => 56,
Self::Es2023 => 57,
Self::EsnextIntl => 58,
Self::EsnextString => 59,
Self::EsnextPromise => 60,
Self::EsnextWeakref => 61,
Self::Esnext => 62,
Self::Dom => 63,
Self::WebworkerImportscripts => 64,
Self::Scripthost => 65,
Self::DomIterable => 66,
Self::DomIterableGenerated => 67,
Self::Header => 68,
Self::WebworkerGenerated => 69,
Self::WebworkerIterableGenerated => 70,
Self::Es5Full => 100,
Self::Es2015Full => 101,
Self::Es2016Full => 102,
Self::Es2017Full => 103,
Self::Es2018Full => 104,
Self::Es2019Full => 105,
Self::Es2020Full => 106,
Self::Es2021Full => 107,
Self::Es2022Full => 108,
Self::Es2023Full => 109,
Self::EsnextFull => 110,
}
}
}
impl PartialOrd for Lib {
fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
Some(self.cmp(other))
}
}
impl Ord for Lib {
fn cmp(&self, other: &Self) -> Ordering {
self.precedence().cmp(&other.precedence())
}
}
pub fn load(libs: &[Lib]) -> Vec<&'static TsNamespaceDecl> {
libs.into_par_iter().map(|lib| lib.body()).collect()
}
fn parse(content: &str) -> TsNamespaceDecl {
let cm = Arc::new(SourceMap::new(FilePathMapping::empty()));
let fm = cm.new_source_file(FileName::Anon, content.to_string());
let lexer = Lexer::new(
Syntax::Typescript(TsConfig {
dts: true,
..Default::default()
}),
Default::default(),
StringInput::from(&*fm),
None,
);
let mut parser = Parser::new_from(lexer);
let script = parser.parse_script().expect("failed to parse module");
TsNamespaceDecl {
span: Default::default(),
declare: true,
global: true,
id: Ident::new(js_word!(""), Default::default()),
body: Box::new(TsNamespaceBody::TsModuleBlock(TsModuleBlock {
span: Default::default(),
body: script
.body
.fold_with(&mut span_remover())
.into_iter()
.map(ModuleItem::Stmt)
.collect(),
})),
}
}
