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node_modules/external-editor/example_sync.js 1.16 KB
ce4c83ff   wxy   初始提交
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  var ExternalEditor = require('./main');
  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.last_exit_status !== 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();
    }
  });