Sha256: 2098b05957ef807703dd49200a5fc760b29e8e699bad28fa108f05ffcf0d7d2f
Contents?: true
Size: 1.16 KB
Versions: 46
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Stored size: 1.16 KB
Contents
'use strict';
var _ = require('lodash');
var readlineFacade = require('readline2');
/**
* Base interface class other can inherits from
*/
var UI = module.exports = function (opt) {
// Instantiate the Readline interface
// @Note: Don't reassign if already present (allow test to override the Stream)
if (!this.rl) {
this.rl = readlineFacade.createInterface(_.extend({
terminal: true
}, opt));
}
this.rl.resume();
this.onForceClose = this.onForceClose.bind(this);
// Make sure new prompt start on a newline when closing
this.rl.on('SIGINT', this.onForceClose);
process.on('exit', this.onForceClose);
};
/**
* Handle the ^C exit
* @return {null}
*/
UI.prototype.onForceClose = function () {
this.close();
console.log('\n'); // Line return
};
/**
* Close the interface and cleanup listeners
*/
UI.prototype.close = function () {
// Remove events listeners
this.rl.removeListener('SIGINT', this.onForceClose);
process.removeListener('exit', this.onForceClose);
// Restore prompt functionnalities
this.rl.output.unmute();
// Close the readline
this.rl.output.end();
this.rl.pause();
this.rl.close();
this.rl = null;
};
Version data entries
46 entries across 46 versions & 3 rubygems