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Remove trailing whitespace from the output of the formatter

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This commit is contained in:
Joshua Warner 2021-12-18 16:38:00 -08:00
parent c7b826e3d4
commit 48c207bb06
8 changed files with 149 additions and 107 deletions
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22
compiler/fmt/src/spaces.rs
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@ -1,4 +1,3 @@
use bumpalo::collections::String;
use roc_parse::ast::CommentOrNewline;
use crate::Buf;
@ -6,26 +5,13 @@ use crate::Buf;
/// The number of spaces to indent.
pub const INDENT: u16 = 4;
pub fn newline(buf: &mut String<'_>, indent: u16) {
buf.push('\n');
add_spaces(buf, indent);
}
pub fn add_spaces(buf: &mut String<'_>, spaces: u16) {
for _ in 0..spaces {
buf.push(' ');
}
}
pub fn fmt_default_spaces<'a, 'buf>(
buf: &mut Buf<'buf>,
spaces: &[CommentOrNewline<'a>],
default: &str,
indent: u16,
) {
if spaces.is_empty() {
buf.push_str(default);
buf.spaces(1);
} else {
fmt_spaces(buf, spaces.iter(), indent);
}
@ -126,15 +112,15 @@ pub fn fmt_comments_only<'a, 'buf, I>(
fn fmt_comment<'buf>(buf: &mut Buf<'buf>, comment: &str) {
buf.push('#');
if !comment.starts_with(' ') {
buf.push(' ');
buf.spaces(1);
}
buf.push_str(comment);
buf.push_str(comment.trim_end());
}
fn fmt_docs<'buf>(buf: &mut Buf<'buf>, docs: &str) {
buf.push_str("##");
if !docs.starts_with(' ') {
buf.push(' ');
buf.spaces(1);
}
buf.push_str(docs);
}