158 lines
3.7 KiB
JavaScript
158 lines
3.7 KiB
JavaScript
'use strict';
|
|
const ansiEscapes = module.exports;
|
|
// TODO: remove this in the next major version
|
|
module.exports.default = ansiEscapes;
|
|
|
|
const ESC = '\u001B[';
|
|
const OSC = '\u001B]';
|
|
const BEL = '\u0007';
|
|
const SEP = ';';
|
|
const isTerminalApp = process.env.TERM_PROGRAM === 'Apple_Terminal';
|
|
|
|
ansiEscapes.cursorTo = (x, y) => {
|
|
if (typeof x !== 'number') {
|
|
throw new TypeError('The `x` argument is required');
|
|
}
|
|
|
|
if (typeof y !== 'number') {
|
|
return ESC + (x + 1) + 'G';
|
|
}
|
|
|
|
return ESC + (y + 1) + ';' + (x + 1) + 'H';
|
|
};
|
|
|
|
ansiEscapes.cursorMove = (x, y) => {
|
|
if (typeof x !== 'number') {
|
|
throw new TypeError('The `x` argument is required');
|
|
}
|
|
|
|
let ret = '';
|
|
|
|
if (x < 0) {
|
|
ret += ESC + (-x) + 'D';
|
|
} else if (x > 0) {
|
|
ret += ESC + x + 'C';
|
|
}
|
|
|
|
if (y < 0) {
|
|
ret += ESC + (-y) + 'A';
|
|
} else if (y > 0) {
|
|
ret += ESC + y + 'B';
|
|
}
|
|
|
|
return ret;
|
|
};
|
|
|
|
ansiEscapes.cursorUp = (count = 1) => ESC + count + 'A';
|
|
ansiEscapes.cursorDown = (count = 1) => ESC + count + 'B';
|
|
ansiEscapes.cursorForward = (count = 1) => ESC + count + 'C';
|
|
ansiEscapes.cursorBackward = (count = 1) => ESC + count + 'D';
|
|
|
|
ansiEscapes.cursorLeft = ESC + 'G';
|
|
ansiEscapes.cursorSavePosition = isTerminalApp ? '\u001B7' : ESC + 's';
|
|
ansiEscapes.cursorRestorePosition = isTerminalApp ? '\u001B8' : ESC + 'u';
|
|
ansiEscapes.cursorGetPosition = ESC + '6n';
|
|
ansiEscapes.cursorNextLine = ESC + 'E';
|
|
ansiEscapes.cursorPrevLine = ESC + 'F';
|
|
ansiEscapes.cursorHide = ESC + '?25l';
|
|
ansiEscapes.cursorShow = ESC + '?25h';
|
|
|
|
ansiEscapes.eraseLines = count => {
|
|
let clear = '';
|
|
|
|
for (let i = 0; i < count; i++) {
|
|
clear += ansiEscapes.eraseLine + (i < count - 1 ? ansiEscapes.cursorUp() : '');
|
|
}
|
|
|
|
if (count) {
|
|
clear += ansiEscapes.cursorLeft;
|
|
}
|
|
|
|
return clear;
|
|
};
|
|
|
|
ansiEscapes.eraseEndLine = ESC + 'K';
|
|
ansiEscapes.eraseStartLine = ESC + '1K';
|
|
ansiEscapes.eraseLine = ESC + '2K';
|
|
ansiEscapes.eraseDown = ESC + 'J';
|
|
ansiEscapes.eraseUp = ESC + '1J';
|
|
ansiEscapes.eraseScreen = ESC + '2J';
|
|
ansiEscapes.scrollUp = ESC + 'S';
|
|
ansiEscapes.scrollDown = ESC + 'T';
|
|
|
|
ansiEscapes.clearScreen = '\u001Bc';
|
|
|
|
ansiEscapes.clearTerminal = process.platform === 'win32' ?
|
|
`${ansiEscapes.eraseScreen}${ESC}0f` :
|
|
// 1. Erases the screen (Only done in case `2` is not supported)
|
|
// 2. Erases the whole screen including scrollback buffer
|
|
// 3. Moves cursor to the top-left position
|
|
// More info: https://www.real-world-systems.com/docs/ANSIcode.html
|
|
`${ansiEscapes.eraseScreen}${ESC}3J${ESC}H`;
|
|
|
|
ansiEscapes.beep = BEL;
|
|
|
|
ansiEscapes.link = (text, url) => {
|
|
return [
|
|
OSC,
|
|
'8',
|
|
SEP,
|
|
SEP,
|
|
url,
|
|
BEL,
|
|
text,
|
|
OSC,
|
|
'8',
|
|
SEP,
|
|
SEP,
|
|
BEL
|
|
].join('');
|
|
};
|
|
|
|
ansiEscapes.image = (buffer, options = {}) => {
|
|
let ret = `${OSC}1337;File=inline=1`;
|
|
|
|
if (options.width) {
|
|
ret += `;width=${options.width}`;
|
|
}
|
|
|
|
if (options.height) {
|
|
ret += `;height=${options.height}`;
|
|
}
|
|
|
|
if (options.preserveAspectRatio === false) {
|
|
ret += ';preserveAspectRatio=0';
|
|
}
|
|
|
|
return ret + ':' + buffer.toString('base64') + BEL;
|
|
};
|
|
|
|
ansiEscapes.iTerm = {
|
|
setCwd: (cwd = process.cwd()) => `${OSC}50;CurrentDir=${cwd}${BEL}`,
|
|
|
|
annotation: (message, options = {}) => {
|
|
let ret = `${OSC}1337;`;
|
|
|
|
const hasX = typeof options.x !== 'undefined';
|
|
const hasY = typeof options.y !== 'undefined';
|
|
if ((hasX || hasY) && !(hasX && hasY && typeof options.length !== 'undefined')) {
|
|
throw new Error('`x`, `y` and `length` must be defined when `x` or `y` is defined');
|
|
}
|
|
|
|
message = message.replace(/\|/g, '');
|
|
|
|
ret += options.isHidden ? 'AddHiddenAnnotation=' : 'AddAnnotation=';
|
|
|
|
if (options.length > 0) {
|
|
ret +=
|
|
(hasX ?
|
|
[message, options.length, options.x, options.y] :
|
|
[options.length, message]).join('|');
|
|
} else {
|
|
ret += message;
|
|
}
|
|
|
|
return ret + BEL;
|
|
}
|
|
};
|