wallet-core/node_modules/cli-cursor/index.js
2017-05-28 00:40:43 +02:00

40 lines
553 B
JavaScript

'use strict';
const restoreCursor = require('restore-cursor');
let hidden = false;
exports.show = stream => {
const s = stream || process.stderr;
if (!s.isTTY) {
return;
}
hidden = false;
s.write('\u001b[?25h');
};
exports.hide = stream => {
const s = stream || process.stderr;
if (!s.isTTY) {
return;
}
restoreCursor();
hidden = true;
s.write('\u001b[?25l');
};
exports.toggle = (force, stream) => {
if (force !== undefined) {
hidden = force;
}
if (hidden) {
exports.show(stream);
} else {
exports.hide(stream);
}
};