mirror of
https://github.com/sbrl/Minetest-WorldEditAdditions.git
synced 2024-11-01 13:53:03 +00:00
89 lines
2.8 KiB
JavaScript
89 lines
2.8 KiB
JavaScript
|
"use strict";
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Generates various VT100 ANSI escape sequences.
|
||
|
|
* Ported from C#.
|
||
|
|
* @licence MPL-2.0 <https://www.mozilla.org/en-US/MPL/2.0/>
|
||
|
|
* @source https://gist.github.com/a4edd3204a03f4eedb79785751efb0f3#file-ansi-cs
|
||
|
|
* @author Starbeamrainbowlabs
|
||
|
|
* GitHub: @sbrl | Twitter: @SBRLabs | Reddit: u/Starbeamrainbowlabs
|
||
|
|
***** Changelog *****
|
||
|
|
* 27th March 2019:
|
||
|
|
* - Initial public release
|
||
|
|
* 9th March 2020:
|
||
|
|
* - Add Italics (\u001b[3m])
|
||
|
|
* - Export a new instance of it by default (makes it so that there's 1 global instance)
|
||
|
|
* 5th September 2020:
|
||
|
|
* - Add support for NO_COLOR environment variable <https://no-color.org/>
|
||
|
|
*/
|
||
|
|
class Ansi {
|
||
|
|
constructor() {
|
||
|
|
/**
|
||
|
|
* Whether we should *actually* emit ANSI escape codes or not.
|
||
|
|
* Useful when we want to output to a log file, for example
|
||
|
|
* @type {Boolean}
|
||
|
|
*/
|
||
|
|
this.enabled = true;
|
||
|
|
|
||
|
|
this.escape_codes();
|
||
|
|
}
|
||
|
|
|
||
|
|
escape_codes() {
|
||
|
|
if(typeof process !== "undefined" && typeof process.env.NO_COLOR == "string") {
|
||
|
|
this.enabled = false;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
// Solution on how to output ANSI escape codes in C# from here:
|
||
|
|
// https://www.jerriepelser.com/blog/using-ansi-color-codes-in-net-console-apps
|
||
|
|
this.reset = this.enabled ? "\u001b[0m" : "";
|
||
|
|
this.hicol = this.enabled ? "\u001b[1m" : "";
|
||
|
|
this.locol = this.enabled ? "\u001b[2m" : "";
|
||
|
|
this.italics = this.enabled ? "\u001b[3m" : "";
|
||
|
|
this.underline = this.enabled ? "\u001b[4m" : "";
|
||
|
|
this.inverse = this.enabled ? "\u001b[7m" : "";
|
||
|
|
this.fblack = this.enabled ? "\u001b[30m" : "";
|
||
|
|
this.fred = this.enabled ? "\u001b[31m" : "";
|
||
|
|
this.fgreen = this.enabled ? "\u001b[32m" : "";
|
||
|
|
this.fyellow = this.enabled ? "\u001b[33m" : "";
|
||
|
|
this.fblue = this.enabled ? "\u001b[34m" : "";
|
||
|
|
this.fmagenta = this.enabled ? "\u001b[35m" : "";
|
||
|
|
this.fcyan = this.enabled ? "\u001b[36m" : "";
|
||
|
|
this.fwhite = this.enabled ? "\u001b[37m" : "";
|
||
|
|
this.bblack = this.enabled ? "\u001b[40m" : "";
|
||
|
|
this.bred = this.enabled ? "\u001b[41m" : "";
|
||
|
|
this.bgreen = this.enabled ? "\u001b[42m" : "";
|
||
|
|
this.byellow = this.enabled ? "\u001b[43m" : "";
|
||
|
|
this.bblue = this.enabled ? "\u001b[44m" : "";
|
||
|
|
this.bmagenta = this.enabled ? "\u001b[45m" : "";
|
||
|
|
this.bcyan = this.enabled ? "\u001b[46m" : "";
|
||
|
|
this.bwhite = this.enabled ? "\u001b[47m" : "";
|
||
|
|
}
|
||
|
|
|
||
|
|
// Thanks to http://ascii-table.com/ansi-escape-sequences.php for the following ANSI escape sequences
|
||
|
|
up(lines = 1) {
|
||
|
|
return this.enabled ? `\u001b[${lines}A` : "";
|
||
|
|
}
|
||
|
|
down(lines = 1) {
|
||
|
|
return this.enabled ? `\u001b[${lines}B` : "";
|
||
|
|
}
|
||
|
|
right(lines = 1) {
|
||
|
|
return this.enabled ? `\u001b[${lines}C` : "";
|
||
|
|
}
|
||
|
|
left(lines = 1) {
|
||
|
|
return this.enabled ? `\u001b[${lines}D` : "";
|
||
|
|
}
|
||
|
|
|
||
|
|
jump_to(x, y) {
|
||
|
|
return this.enabled ? `\u001b[${y};${x}H` : "";
|
||
|
|
}
|
||
|
|
|
||
|
|
cursor_pos_save() {
|
||
|
|
return this.enabled ? `\u001b[s` : "";
|
||
|
|
}
|
||
|
|
cursor_pos_restore() {
|
||
|
|
return this.enabled ? `\u001b[u` : "";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = new Ansi();
|