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use std::borrow::Cow;
use std::collections::VecDeque;
use std::fmt::Display;
use std::ops::Range;
use swc_ecma_visit::swc_ecma_ast as ast;
use crate::swc::convert_span;
#[derive(Debug)]
pub struct ScopeName {
pub(crate) components: VecDeque<NameComponent>,
}
impl ScopeName {
pub(crate) fn new() -> Self {
Self {
components: Default::default(),
}
}
pub fn components(&self) -> impl Iterator<Item = &NameComponent> + '_ {
self.components.iter()
}
}
impl Display for ScopeName {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
for c in self.components() {
f.write_str(c.text())?;
}
Ok(())
}
}
#[derive(Debug)]
pub struct NameComponent {
pub(crate) inner: NameComponentInner,
}
impl NameComponent {
pub fn text(&self) -> &str {
match &self.inner {
NameComponentInner::Interpolation(s) => s,
NameComponentInner::SourceIdentifierToken(t) => &t.sym,
}
}
pub fn range(&self) -> Option<Range<u32>> {
match &self.inner {
NameComponentInner::SourceIdentifierToken(t) => Some(convert_span(t.span)),
_ => None,
}
}
pub(crate) fn interp(s: impl Into<Cow<'static, str>>) -> Self {
Self {
inner: NameComponentInner::Interpolation(s.into()),
}
}
pub(crate) fn ident(ident: ast::Ident) -> Self {
Self {
inner: NameComponentInner::SourceIdentifierToken(ident),
}
}
}
#[derive(Debug)]
pub(crate) enum NameComponentInner {
Interpolation(Cow<'static, str>),
SourceIdentifierToken(ast::Ident),
}