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add all commandline flags/args from dart-sass

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This commit is contained in:
ConnorSkees 2020-05-01 14:16:40 -04:00
parent daf7f247cf
commit 1326e8f000
1 changed files with 124 additions and 31 deletions
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155
src/main.rs
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@ -1,21 +1,38 @@
use std::fs::File;
use std::io::{stdout, BufWriter, Write};
use clap::{App, Arg};
use clap::{arg_enum, App, Arg};
use grass::StyleSheet;
fn main() {
arg_enum! {
#[derive(PartialEq, Debug)]
pub enum Style {
Expanded,
Compressed,
}
}
arg_enum! {
#[derive(PartialEq, Debug)]
pub enum SourceMapUrls {
Relative,
Absolute,
}
}
fn main() -> std::io::Result<()> {
let matches = App::new("grass")
.version(env!("CARGO_PKG_VERSION"))
.about("SCSS Compiler in rust")
.version_short("v")
.arg(
Arg::with_name("stdin")
Arg::with_name("STDIN")
.long("stdin")
.help("Read the stylesheet from stdin"),
)
.arg(
Arg::with_name("indented")
Arg::with_name("INDENTED")
.long("indented")
.help("Use the indented syntax for input from stdin"),
)
@ -23,57 +40,133 @@ fn main() {
Arg::with_name("LOAD_PATH")
.short("I")
.long("load-path")
.help("A path to use when resolving imports")
.help("A path to use when resolving imports. May be passed multiple times.")
.multiple(true)
.takes_value(true),
)
.arg(
Arg::with_name("style")
// dart sass uses -s
Arg::with_name("STYLE")
.short("s")
// ruby sass uses -t
.short("t")
.long("style")
.help("Expanded (default) or compressed output")
.help("Minified or expanded output")
.default_value("expanded")
.case_insensitive(true)
.possible_values(&Style::variants())
.takes_value(true),
)
.arg(
Arg::with_name("update")
Arg::with_name("NO_CHARSET")
.long("no-charset")
.help("Don't emit a @charset or BOM for CSS with non-ASCII characters."),
)
.arg(
Arg::with_name("UPDATE")
.long("update")
.help("Only compile out-of-date stylesheets"),
.help("Only compile out-of-date stylesheets."),
)
.arg(
Arg::with_name("precision")
.long("precision")
.help("Number of digits to emit for floats")
Arg::with_name("NO_ERROR_CSS")
.long("no-error-css")
.help("When an error occurs, don't emit a stylesheet describing it."),
)
// Source maps
.arg(
Arg::with_name("NO_SOURCE_MAP")
.long("no-source-map")
.help("Whether to generate source maps."),
)
.arg(
Arg::with_name("SOURCE_MAP_URLS")
.long("source-map-urls")
.help("How to link from source maps to source files.")
.default_value("relative")
.case_insensitive(true)
.possible_values(&SourceMapUrls::variants())
.takes_value(true),
)
.arg(
Arg::with_name("quiet")
Arg::with_name("EMBED_SOURCES")
.long("embed-sources")
.help("Embed source file contents in source maps."),
)
.arg(
Arg::with_name("EMBED_SOURCE_MAP")
.long("embed-source-map")
.help("Embed source map contents in CSS."),
)
// Other
.arg(
Arg::with_name("WATCH")
.long("watch")
.help("Watch stylesheets and recompile when they change."),
)
.arg(
Arg::with_name("POLL")
.long("poll")
.help("Manually check for changes rather than using a native watcher. Only valid with --watch.")
.requires("WATCH"),
)
.arg(
Arg::with_name("NO_STOP_ON_ERROR")
.long("no-stop-on-error")
.help("Continue to compile more files after error is encountered.")
)
.arg(
Arg::with_name("INTERACTIVE")
.short("i")
.long("interactive")
.help("Run an interactive SassScript shell.")
)
.arg(
Arg::with_name("NO_COLOR")
.short("c")
.long("no-color")
.help("Whether to use terminal colors for messages.")
)
.arg(
Arg::with_name("NO_UNICODE")
.long("no-unicode")
.help("Whether to use Unicode characters for messages.")
)
.arg(
Arg::with_name("QUIET")
.short("q")
.long("quiet")
.help("Number of digits to emit for floats"),
.help("Don't print warnings."),
)
.arg(
Arg::with_name("INPUT")
.required(true)
.multiple(true)
.help("SCSS files"),
)
.arg(
Arg::with_name("OUTPUT")
.help("Output SCSS file")
)
.get_matches();
let mut stdout = BufWriter::new(stdout());
if let Some(inputs) = matches.values_of("INPUT") {
for name in inputs {
stdout
.write_all(
StyleSheet::from_path(&name)
.unwrap_or_else(|e| {
eprintln!("{}", e);
std::process::exit(1)
})
.as_bytes(),
)
.unwrap();
if let Some(name) = matches.value_of("INPUT") {
if let Some(path) = matches.value_of("OUTPUT") {
let mut buf = BufWriter::new(File::open(path).unwrap_or(File::create(path)?));
buf.write_all(
StyleSheet::from_path(name)
.unwrap_or_else(|e| {
eprintln!("{}", e);
std::process::exit(1)
})
.as_bytes(),
)?;
} else {
let mut stdout = BufWriter::new(stdout());
stdout.write_all(
StyleSheet::from_path(name)
.unwrap_or_else(|e| {
eprintln!("{}", e);
std::process::exit(1)
})
.as_bytes(),
)?;
}
}
Ok(())
}