优化

‘liusuyi’

2023-10-21 ae92b6823499cfab77201b4033922fa373fb37a3

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'use strict';
const restoreCursor = require('restore-cursor');
 
let isHidden = false;
 
exports.show = (writableStream = process.stderr) => {
    if (!writableStream.isTTY) {
        return;
    }
 
    isHidden = false;
    writableStream.write('\u001B[?25h');
};
 
exports.hide = (writableStream = process.stderr) => {
    if (!writableStream.isTTY) {
        return;
    }
 
    restoreCursor();
    isHidden = true;
    writableStream.write('\u001B[?25l');
};
 
exports.toggle = (force, writableStream) => {
    if (force !== undefined) {
        isHidden = force;
    }
 
    if (isHidden) {
        exports.show(writableStream);
    } else {
        exports.hide(writableStream);
    }
};