Gazebo_simulation-Frontend/node_modules/external-editor/example_sync.js

39 lines
1.2 KiB
JavaScript

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 {
// Get response, remove all lines starting with #, remove any trailing newlines.
var response = editor.run().replace(/^#.*\n?/gm, '').replace(/\n+$/g, '').trim();
if (editor.lastExitStatus !== 0) {
process.stderr.write("WARN: The editor exited with a non-zero status\n\n")
}
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)');
} 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();
}
});