164 lines
3.9 KiB
JavaScript
164 lines
3.9 KiB
JavaScript
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import process from 'node:process';
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import {isBrowser} from 'environment';
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const ESC = '\u001B[';
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const OSC = '\u001B]';
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const BEL = '\u0007';
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const SEP = ';';
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const isTerminalApp = !isBrowser && process.env.TERM_PROGRAM === 'Apple_Terminal';
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const isWindows = !isBrowser && process.platform === 'win32';
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const cwdFunction = isBrowser ? () => {
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throw new Error('`process.cwd()` only works in Node.js, not the browser.');
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} : process.cwd;
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export const cursorTo = (x, y) => {
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if (typeof x !== 'number') {
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throw new TypeError('The `x` argument is required');
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}
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if (typeof y !== 'number') {
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return ESC + (x + 1) + 'G';
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}
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return ESC + (y + 1) + SEP + (x + 1) + 'H';
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};
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export const cursorMove = (x, y) => {
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if (typeof x !== 'number') {
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throw new TypeError('The `x` argument is required');
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}
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let returnValue = '';
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if (x < 0) {
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returnValue += ESC + (-x) + 'D';
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} else if (x > 0) {
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returnValue += ESC + x + 'C';
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}
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if (y < 0) {
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returnValue += ESC + (-y) + 'A';
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} else if (y > 0) {
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returnValue += ESC + y + 'B';
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}
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return returnValue;
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};
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export const cursorUp = (count = 1) => ESC + count + 'A';
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export const cursorDown = (count = 1) => ESC + count + 'B';
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export const cursorForward = (count = 1) => ESC + count + 'C';
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export const cursorBackward = (count = 1) => ESC + count + 'D';
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export const cursorLeft = ESC + 'G';
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export const cursorSavePosition = isTerminalApp ? '\u001B7' : ESC + 's';
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export const cursorRestorePosition = isTerminalApp ? '\u001B8' : ESC + 'u';
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export const cursorGetPosition = ESC + '6n';
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export const cursorNextLine = ESC + 'E';
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export const cursorPrevLine = ESC + 'F';
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export const cursorHide = ESC + '?25l';
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export const cursorShow = ESC + '?25h';
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export const eraseLines = count => {
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let clear = '';
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for (let i = 0; i < count; i++) {
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clear += eraseLine + (i < count - 1 ? cursorUp() : '');
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}
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if (count) {
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clear += cursorLeft;
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}
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return clear;
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};
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export const eraseEndLine = ESC + 'K';
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export const eraseStartLine = ESC + '1K';
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export const eraseLine = ESC + '2K';
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export const eraseDown = ESC + 'J';
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export const eraseUp = ESC + '1J';
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export const eraseScreen = ESC + '2J';
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export const scrollUp = ESC + 'S';
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export const scrollDown = ESC + 'T';
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export const clearScreen = '\u001Bc';
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export const clearTerminal = isWindows
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? `${eraseScreen}${ESC}0f`
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// 1. Erases the screen (Only done in case `2` is not supported)
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// 2. Erases the whole screen including scrollback buffer
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// 3. Moves cursor to the top-left position
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// More info: https://www.real-world-systems.com/docs/ANSIcode.html
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: `${eraseScreen}${ESC}3J${ESC}H`;
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export const enterAlternativeScreen = ESC + '?1049h';
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export const exitAlternativeScreen = ESC + '?1049l';
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export const beep = BEL;
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export const link = (text, url) => [
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OSC,
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'8',
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SEP,
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SEP,
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url,
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BEL,
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text,
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OSC,
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'8',
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SEP,
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SEP,
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BEL,
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].join('');
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export const image = (data, options = {}) => {
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let returnValue = `${OSC}1337;File=inline=1`;
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if (options.width) {
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returnValue += `;width=${options.width}`;
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}
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if (options.height) {
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returnValue += `;height=${options.height}`;
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}
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if (options.preserveAspectRatio === false) {
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returnValue += ';preserveAspectRatio=0';
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}
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return returnValue + ':' + Buffer.from(data).toString('base64') + BEL;
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};
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export const iTerm = {
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setCwd: (cwd = cwdFunction()) => `${OSC}50;CurrentDir=${cwd}${BEL}`,
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annotation(message, options = {}) {
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let returnValue = `${OSC}1337;`;
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const hasX = options.x !== undefined;
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const hasY = options.y !== undefined;
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if ((hasX || hasY) && !(hasX && hasY && options.length !== undefined)) {
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throw new Error('`x`, `y` and `length` must be defined when `x` or `y` is defined');
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}
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message = message.replaceAll('|', '');
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returnValue += options.isHidden ? 'AddHiddenAnnotation=' : 'AddAnnotation=';
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if (options.length > 0) {
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returnValue += (
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hasX
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? [message, options.length, options.x, options.y]
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: [options.length, message]
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).join('|');
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} else {
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returnValue += message;
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}
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return returnValue + BEL;
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},
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};
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