Or hit up the TypeScript tag on this blog for all the latest posts on Twilio and TypeScript.Īre you using TypeScript to build amazing things with Twilio? I would love to hear about it. If you like the look of TypeScript, but you're currently working with JavaScript, take a look at this guide for moving your project to TypeScript at your own pace.
Send sms node js how to#
If you're looking for other things to build with TypeScript and Twilio check out how to receive and reply to SMS messages in TypeScript, how to build an SMS weather bot with Twilio and TypeScript or how to get started with Twilio Video and TypeScript.
You can also use TypeScript to write functions you deploy to Twilio Runtime. The Twilio Node.js package ships with TypeScript types, so you can use it to gain the benefits from TypeScript without having to write your own types.
Send sms node js full#
You can find the full code for this blog post, plus other example TypeScript projects, on GitHub. Now you've seen how to get started with sending SMS messages with Twilio and TypeScript there's plenty more you can do. That's it, you've sent an SMS message using TypeScript and Twilio. We can then show an error message if one is missing. So while we are checking the presence of these other variables, we should also ensure there is a twilioNumber too.įor this example let's wrap the client initialization and message creation in a conditional based on the presence of the required variables. from is actually defined as a type of string | undefined, but that is because we can also pass a messagingServiceSid if we want to use a pool of sender numbers from a messaging service. Before sending a message we also need to ensure that myNumber is a number. So, before constructing an API client we need to ensure that accountSid and authToken are both strings. Similarly, when sending a message there should always be a to number. The constructor for the API client requires the first two arguments to be of type string and string | undefined doesn't satisfy that.
In custom, you can upload custom parameters which will be explained in. Through Excel Upload we allow 2 types of text messages to be sent, one is normal with mobile numbers and second one is Custom. So each of accountSid, authToken, twilioNumber, and myNumber are of type string | undefined. The following bulk SMS API using Node.js sample can be used to send out text messages in Single, Bulk, Group and Excel Upload.
The problem now is that fetching values from the environment could result in either a string or undefined. With that complete, the errors move further down the script.
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