CityBEM-CityLayers-SaeedRay.../node_modules/external-editor/example_async.js

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var ExternalEditor = require('./main').ExternalEditor;
var readline = require('readline');
var rl = readline.createInterface({
input: process.stdin,
output: null
});
var message = '\n\n# Please Write a message\n# Any line starting with # is ignored';
process.stdout.write('Please write a message. (press enter to launch your preferred editor)');
editor = new ExternalEditor(message);
rl.on('line', function () {
try {
rl.pause();
editor.runAsync(function (error, response)
{
if (error) {
process.stdout.write(error.message);
process.exit(1);
}
if (response.length === 0) {
readline.moveCursor(process.stdout, 0, -1);
process.stdout.write('Your message was empty, please try again. (press enter to launch your preferred editor)');
rl.resume();
} else {
process.stdout.write('Your Message:\n');
process.stdout.write(response);
process.stdout.write('\n');
rl.close();
}
});
} catch (err) {
process.stderr.write(err.message);
process.stdout.write('\n');
rl.close();
}
});