diff options
Diffstat (limited to 'cli/colors.rs')
-rw-r--r-- | cli/colors.rs | 98 |
1 files changed, 54 insertions, 44 deletions
diff --git a/cli/colors.rs b/cli/colors.rs index 4443a315f..0bf048943 100644 --- a/cli/colors.rs +++ b/cli/colors.rs @@ -1,20 +1,22 @@ // Copyright 2018-2020 the Deno authors. All rights reserved. MIT license. +use ansi_term::Color::Black; +use ansi_term::Color::Fixed; +use ansi_term::Color::Red; +use ansi_term::Color::White; +use ansi_term::Style; use regex::Regex; use std::env; use std::fmt; -use std::io::Write; -use termcolor::Color::{Ansi256, Black, Red, White}; -use termcolor::{Ansi, ColorSpec, WriteColor}; lazy_static! { - // STRIP_ANSI_RE and strip_ansi_codes are lifted from the "console" crate. - // Copyright 2017 Armin Ronacher <armin.ronacher@active-4.com>. MIT License. - static ref STRIP_ANSI_RE: Regex = Regex::new( - r"[\x1b\x9b][\[()#;?]*(?:[0-9]{1,4}(?:;[0-9]{0,4})*)?[0-9A-PRZcf-nqry=><]" - ).unwrap(); - static ref NO_COLOR: bool = { - env::var_os("NO_COLOR").is_some() - }; + // STRIP_ANSI_RE and strip_ansi_codes are lifted from the "console" crate. + // Copyright 2017 Armin Ronacher <armin.ronacher@active-4.com>. MIT License. + static ref STRIP_ANSI_RE: Regex = Regex::new( + r"[\x1b\x9b][\[()#;?]*(?:[0-9]{1,4}(?:;[0-9]{0,4})*)?[0-9A-PRZcf-nqry=><]" + ).unwrap(); + static ref NO_COLOR: bool = { + env::var_os("NO_COLOR").is_some() + }; } /// Helper function to strip ansi codes. @@ -26,60 +28,68 @@ pub fn use_color() -> bool { !(*NO_COLOR) } -fn style(s: &str, colorspec: ColorSpec) -> impl fmt::Display { - let mut v = Vec::new(); - let mut ansi_writer = Ansi::new(&mut v); +pub fn red_bold(s: String) -> impl fmt::Display { + let mut style = Style::new(); if use_color() { - ansi_writer.set_color(&colorspec).unwrap(); + style = style.bold().fg(Red); } - ansi_writer.write_all(s.as_bytes()).unwrap(); - String::from_utf8_lossy(&v).into_owned() -} - -pub fn red_bold(s: String) -> impl fmt::Display { - let mut style_spec = ColorSpec::new(); - style_spec.set_fg(Some(Red)).set_bold(true); - style(&s, style_spec) + style.paint(s) } pub fn italic_bold(s: String) -> impl fmt::Display { - let mut style_spec = ColorSpec::new(); - style_spec.set_bold(true).set_italic(true); - style(&s, style_spec) + let mut style = Style::new(); + if use_color() { + style = style.italic().bold(); + } + style.paint(s) } pub fn black_on_white(s: String) -> impl fmt::Display { - let mut style_spec = ColorSpec::new(); - style_spec.set_bg(Some(White)).set_fg(Some(Black)); - style(&s, style_spec) + let mut style = Style::new(); + if use_color() { + style = style.on(White).fg(Black); + } + style.paint(s) } pub fn yellow(s: String) -> impl fmt::Display { - let mut style_spec = ColorSpec::new(); - style_spec.set_fg(Some(Ansi256(11))); - style(&s, style_spec) + let mut style = Style::new(); + if use_color() { + // matches TypeScript's ForegroundColorEscapeSequences.Yellow + style = style.fg(Fixed(11)); + } + style.paint(s) } pub fn cyan(s: String) -> impl fmt::Display { - let mut style_spec = ColorSpec::new(); - style_spec.set_fg(Some(Ansi256(14))); - style(&s, style_spec) + let mut style = Style::new(); + if use_color() { + // matches TypeScript's ForegroundColorEscapeSequences.Cyan + style = style.fg(Fixed(14)); + } + style.paint(s) } pub fn red(s: String) -> impl fmt::Display { - let mut style_spec = ColorSpec::new(); - style_spec.set_fg(Some(Red)); - style(&s, style_spec) + let mut style = Style::new(); + if use_color() { + style = style.fg(Red); + } + style.paint(s) } pub fn green(s: String) -> impl fmt::Display { - let mut style_spec = ColorSpec::new(); - style_spec.set_fg(Some(Ansi256(10))); - style(&s, style_spec) + let mut style = Style::new(); + if use_color() { + style = style.fg(Fixed(10)).bold(); + } + style.paint(s) } pub fn bold(s: String) -> impl fmt::Display { - let mut style_spec = ColorSpec::new(); - style_spec.set_bold(true); - style(&s, style_spec) + let mut style = Style::new(); + if use_color() { + style = style.bold(); + } + style.paint(s) } |