Colors in console (NodeJS, Makefile)

color.js

const C = {
  Reset: "\x1b[0m",
  Bright: "\x1b[1m",
  Dim: "\x1b[2m",
  Underscore: "\x1b[4m",
  Blink: "\x1b[5m",
  Reverse: "\x1b[7m",
  Hidden: "\x1b[8m",
  FgBlack: "\x1b[30m",
  FgRed: "\x1b[31m",
  FgGreen: "\x1b[32m",
  FgYellow: "\x1b[33m",
  FgBlue: "\x1b[34m",
  FgMagenta: "\x1b[35m",
  FgCyan: "\x1b[36m",
  FgWhite: "\x1b[37m",
  BgBlack: "\x1b[40m",
  BgRed: "\x1b[41m",
  BgGreen: "\x1b[42m",
  BgYellow: "\x1b[43m",
  BgBlue: "\x1b[44m",
  BgMagenta: "\x1b[45m",
  BgCyan: "\x1b[46m",
  BgWhite: "\x1b[47m",
} as const

Makefile

ifneq (,$(findstring xterm,${TERM}))
	DARK_BLACK   := $(shell tput setaf 0)
	DARK_RED     := $(shell tput setaf 1)
	DARK_GREEN   := $(shell tput setaf 2)
	DARK_YELLOW  := $(shell tput setaf 3)
	DARK_BLUE    := $(shell tput setaf 4)
	DARK_MAGENTA := $(shell tput setaf 5)
	DARK_CYAN    := $(shell tput setaf 6)
	DARK_WHITE   := $(shell tput setaf 7)
	BLACK        := $(shell tput setaf 8)
	RED          := $(shell tput setaf 9)
	GREEN        := $(shell tput setaf 10)
	YELLOW       := $(shell tput setaf 11)
	BLUE         := $(shell tput setaf 12)
	MAGENTA      := $(shell tput setaf 13)
	CYAN         := $(shell tput setaf 14)
	WHITE        := $(shell tput setaf 15)
	RESET        := $(shell tput -Txterm sgr0)
else
	DARK_BLACK   := ''
	DARK_RED     := ''
	DARK_GREEN   := ''
	DARK_YELLOW  := ''
	DARK_BLUE    := ''
	DARK_MAGENTA := ''
	DARK_CYAN    := ''
	DARK_WHITE   := ''
	BLACK        := ''
	RED          := ''
	GREEN        := ''
	YELLOW       := ''
	BLUE         := ''
	MAGENTA      := ''
	CYAN         := ''
	WHITE        := ''
	RESET        := ''
endif

Quoted from https://blog.gtwang.org/linux/how-to-make-a-fancy-and-useful-bash-prompt-in-linux-2/ :

tput setb [1-7]：設定背景顏色。
tput setab [1-7]：使用 ANSI escape code 設定背景顏色。
tput setf [1-7]：設定前景顏色。
tput setaf [1-7]：使用 ANSI escape code 設定前景顏色。

tput bold：進入粗體模式。
tput dim：進入低亮度（half-bright）模式。
tput smul：進入下底線模式。
tput rmul：結束下底線模式。
tput rev：開始反相模式。
tput smso：進入 standout 模式。
tput rmso：結束 standout 模式。
tput sgr0：結束所有的模式。