Microsoft BotBuilder javascript sample error

Question

I am trying to test the Microsoft BotBUilder samples with the Bot Framework Emulator. I have cloned the BotBuilder repo and gone through the readme instructions npm install but when I run npm start I get this error

/home/ronald/Desktop/botbuilder-samples/samples/javascript_nodejs/02.echo-bot/node_modules/csv-parse/lib/index.js:20
    super({...{readableObjectMode: true}, ...opts})
           ^^^
SyntaxError: Unexpected token ...
    at createScript (vm.js:53:10)
    at Object.runInThisContext (vm.js:95:10)
    at Module._compile (module.js:543:28)
    at Object.Module._extensions..js (module.js:580:10)
    at Module.load (module.js:488:32)
    at tryModuleLoad (module.js:447:12)
    at Function.Module._load (module.js:439:3)
    at Module.require (module.js:498:17)
    at require (internal/module.js:20:19)
    at Object.<anonymous> (/home/ronald/Desktop/botbuilder-samples/samples/javascript_nodejs/02.echo-bot/node_modules/csv/lib/index.js:6:10)

npm ERR! Linux 4.15.0-72-generic
npm ERR! argv "/usr/bin/nodejs" "/usr/bin/npm" "start"
npm ERR! node v7.10.1
npm ERR! npm  v4.2.0
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! [email protected] start: `node ./index.js`
npm ERR! Exit status 1
npm ERR! 
npm ERR! Failed at the [email protected] start script 'node ./index.js'.
npm ERR! Make sure you have the latest version of node.js and npm installed.
npm ERR! If you do, this is most likely a problem with the echobot package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR!     node ./index.js
npm ERR! You can get information on how to open an issue for this project with:
npm ERR!     npm bugs echobot
npm ERR! Or if that isn't available, you can get their info via:
npm ERR!     npm owner ls echobot
npm ERR! There is likely additional logging output above.

what's your node --version result ? Look like JS don't understand deconstructing ... — Arthur
– Arthur, Commented Dec 10, 2019 at 16:30
Because this works fine: let opts = {foo:'bar'}; console.log({...{readableObjectMode: true}, ...opts}); > {readableObjectMode: true, foo: "bar"} — Arthur
– Arthur, Commented Dec 10, 2019 at 16:31

Arthur · Accepted Answer · 2019-12-10 16:34:07Z

1

Your running it on Nodejs version 7+ and BotBuilder require 10.14+.

So your node is not able to understand deconstructing operator ....

Try to upgrade your node and it'll works fine.

answered Dec 10, 2019 at 16:34

Arthur

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Comments

Inch High · Accepted Answer · 2019-12-10 16:08:31Z

1

Can you please try:

super({readableObjectMode: true, ...opts})

I don't think you need to spread the first object.

answered Dec 10, 2019 at 16:08

Inch High

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6 Comments

imlearningcode Over a year ago

I get the same error. super({{readableObjectMode: true}, ...opts}) ^ SyntaxError: Unexpected token {

Inch High Over a year ago

The code you pasted back to me, isn't the code I sent you as an example. You've added a {} around the readableObjectMode ? Remove it so its just this: super({readableObjectMode: true, ...opts}) which is what I sent to you in the answer :)

imlearningcode Over a year ago

Whoops you're right, I've still got the error though ``` super({ readableObjectMode: true, ...opts }) ^^^ SyntaxError: Unexpected token ... ```

Inch High Over a year ago

Please read - stackoverflow.com/help/minimal-reproducible-example - If you could provide us your code, we'll have a much better chance of helping you

Arthur Over a year ago

It's not the best way to do it but it should works fine.

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