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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
use crate::colors;
use crate::swc_ecma_ast;
use std::fmt::{Display, Formatter, Result};
pub(crate) struct Indent(pub i64);
impl Display for Indent {
fn fmt(&self, f: &mut Formatter<'_>) -> Result {
for _ in 0..self.0 {
write!(f, " ")?;
}
Ok(())
}
}
pub(crate) struct SliceDisplayer<'a, T: Display>(&'a [T], &'a str, bool);
impl<'a, T: Display> SliceDisplayer<'a, T> {
pub fn new(
slice: &'a [T],
separator: &'a str,
trailing: bool,
) -> SliceDisplayer<'a, T> {
SliceDisplayer(slice, separator, trailing)
}
}
impl<T: Display> Display for SliceDisplayer<'_, T> {
fn fmt(&self, f: &mut Formatter<'_>) -> Result {
if self.0.is_empty() {
return Ok(());
}
write!(f, "{}", self.0[0])?;
for v in &self.0[1..] {
write!(f, "{}{}", self.1, v)?;
}
if self.2 {
write!(f, "{}", self.1)?;
}
Ok(())
}
}
pub(crate) fn display_abstract(is_abstract: bool) -> impl Display {
colors::magenta(if is_abstract { "abstract " } else { "" })
}
pub(crate) fn display_accessibility(
accessibility: Option<swc_ecma_ast::Accessibility>,
) -> impl Display {
colors::magenta(
match accessibility.unwrap_or(swc_ecma_ast::Accessibility::Public) {
swc_ecma_ast::Accessibility::Public => "",
swc_ecma_ast::Accessibility::Protected => "protected ",
swc_ecma_ast::Accessibility::Private => "private ",
},
)
}
pub(crate) fn display_async(is_async: bool) -> impl Display {
colors::magenta(if is_async { "async " } else { "" })
}
pub(crate) fn display_generator(is_generator: bool) -> impl Display {
colors::magenta(if is_generator { "*" } else { "" })
}
pub(crate) fn display_method(method: swc_ecma_ast::MethodKind) -> impl Display {
colors::magenta(match method {
swc_ecma_ast::MethodKind::Getter => "get ",
swc_ecma_ast::MethodKind::Setter => "set ",
_ => "",
})
}
pub(crate) fn display_optional(is_optional: bool) -> impl Display {
colors::magenta(if is_optional { "?" } else { "" })
}
pub(crate) fn display_readonly(is_readonly: bool) -> impl Display {
colors::magenta(if is_readonly { "readonly " } else { "" })
}
pub(crate) fn display_static(is_static: bool) -> impl Display {
colors::magenta(if is_static { "static " } else { "" })
}
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