Remove dependency on atty

CHANGELOG.md

@@ -14,6 +14,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Removed
 
 - Removed the dependency on `num_cpus` in favor of `std::thread::available_parallelism`. [#279](https://github.com/jonhoo/inferno/pull/279)
+- Removed the dependency on `atty` in favor of `is_terminal`. [#280](https://github.com/jonhoo/inferno/pull/280)
 
 ## [0.11.14] - 2023-01-21
 ### Added

Cargo.toml

@@ -23,7 +23,7 @@ nameattr = ["indexmap"]
 
 [dependencies]
 ahash = "0.8"
-atty = "0.2"
+is-terminal = "0.4.3"
 crossbeam-utils = { version = "0.8", optional = true }
 crossbeam-channel = { version = "0.5", optional = true }
 dashmap = { version = "5", optional = true }

src/bin/diff-folded.rs

@@ -4,6 +4,7 @@ use std::path::PathBuf;
 use clap::{ArgAction, Parser};
 use env_logger::Env;
 use inferno::differential::{self, Options};
+use is_terminal::IsTerminal;
 
 #[derive(Debug, Parser)]
 #[clap(
@@ -88,7 +89,7 @@ fn main() -> io::Result<()> {
 
     let (folded1, folded2, options) = opt.into_parts();
 
-    if atty::is(atty::Stream::Stdout) {
+    if std::io::stdout().is_terminal() {
         differential::from_files(options, folded1, folded2, io::stdout().lock())
     } else {
         differential::from_files(

src/bin/flamegraph.rs

@@ -11,6 +11,7 @@ use inferno::flamegraph::{self, defaults, Direction, Options, Palette, TextTrunc
 
 #[cfg(feature = "nameattr")]
 use inferno::flamegraph::FuncFrameAttrsMap;
+use is_terminal::IsTerminal;
 
 #[derive(Debug, Parser)]
 #[clap(name = "inferno-flamegraph", about)]
@@ -332,7 +333,7 @@ fn main() -> quick_xml::Result<()> {
 
     options.palette_map = palette_map.as_mut();
 
-    if atty::is(atty::Stream::Stdout) {
+    if std::io::stdout().is_terminal() {
         flamegraph::from_files(&mut options, &infiles, io::stdout().lock())?;
     } else {
         flamegraph::from_files(

src/collapse/mod.rs

@@ -42,6 +42,8 @@ pub mod vtune;
 ///   [crate-level documentation]: ../../index.html
 pub mod vsprof;
 
+use is_terminal::IsTerminal;
+
 // DEFAULT_NTHREADS is public because we use it in the help text of the binaries,
 // but it doesn't need to be exposed to library users, hence #[doc(hidden)].
 #[doc(hidden)]
@@ -100,7 +102,7 @@ pub trait Collapse {
     where
         P: AsRef<Path>,
     {
-        if atty::is(atty::Stream::Stdout) {
+        if std::io::stdout().is_terminal() {
             self.collapse_file(infile, io::stdout().lock())
         } else {
             self.collapse_file(infile, io::BufWriter::new(io::stdout().lock()))