example-all.js seems throw an exception

[ochowei]

I execute the example-all.js by the following command:

node example-all.js

and after aesthetic is finished, it shows:

TypeError: Cannot read property 'length' of undefined
    at showNextSpinner (/home/mint/project/cli-spinners/example-all.js:26:74)
    at ReadStream.<anonymous> (/home/mint/project/cli-spinners/example-all.js:46:4)
    at ReadStream.emit (node:events:365:28)
    at emitKeys (node:internal/readline/utils:358:14)
    at emitKeys.next (<anonymous>)
    at ReadStream.onData (node:readline:1281:36)
    at ReadStream.emit (node:events:365:28)
    at addChunk (node:internal/streams/readable:314:12)
    at readableAddChunk (node:internal/streams/readable:289:9)
    at ReadStream.Readable.push (node:internal/streams/readable:228:10)