script/escape-non-ascii

#!/usr/bin/env node

// escape all non-ASCII characters with JS unicode escapes \u####, for #284

process.stdin.setEncoding('utf8');

process.stdin.on('data', function(data) {
  process.stdout.write(data.replace(/[^\x00-\x7F]/g, function(c) {
    return '\\u' + ('000' + c.charCodeAt(0).toString(16)).slice(-4);
  }));
});

process.stdin.resume();