Wasp-lang•7mo ago

signup

When defining action in main file If i dont want to use entity as i dont want to store in the db. Can I use args. If yes, How can i do that args: { arg1: string, arg2: Any } Tried this and it said undefined identifier : string

15 Replies

kapa.ai•7mo ago

Hi @Mohan. I'm kapa.ai, your friendly support bot. I will try to answer your question by searching through the knowledge base. :wave: ---------------------- Yes, you can use args in your action without specifying an entity. The args object is the payload sent by the caller (most often from the client). However, the error you're encountering seems to be related to the way you're defining your args. In Wasp, you don't define the args directly in the action declaration in the main.wasp file. Instead, you define them in the function that implements the action, in your JavaScript or TypeScript file. Here's an example of how you can define an action that uses args:

export const createTask = async (args, context) => {  
 const newTask = await context.entities.Task.create({  
 data: {  
 description: args.description,  
 isDone: false,  
 },  
 })  
 return newTask  
}

export const createTask = async (args, context) => {  
 const newTask = await context.entities.Task.create({  
 data: {  
 description: args.description,  
 isDone: false,  
 },  
 })  
 return newTask  
}

In this example, args is an object that contains the properties description and isDone. These properties are used to create a new task. If you want to define an action that doesn't use an entity, you can simply omit the entities property in the action declaration. Here's an example:

action customSignup {  
 fn: import { signup } from "@src/auth/signup.js",  
}

action customSignup {  
 fn: import { signup } from "@src/auth/signup.js",  
}

In this example, the customSignup action doesn't use any entities. Instead, it imports a signup function from a JavaScript file, and this function handles the action's logic. Remember, the args you use in your function should match the args you expect to receive when the action is called. Sources: - Using Entities in Actions (https://wasp-lang.dev/docs/data-model/operations/actions#using-entities-in-actions) - Creating your custom sign-up action (https://wasp-lang.dev/docs/auth/username-and-pass#2-creating-your-custom-sign-up-action) ---------------------- Note: you can ask me a follow up question by @ mentioning me again :speech_balloon: ---------------------- Sorry @Mohan, I seem to be having a bit of trouble. Don't worry though, I've pinged my support and they will try to fix me up! :technologist: Perhaps try again in 15mins?

MohanOP•7mo ago

@kapa.ai now how do you call this action with args

kapa.ai•7mo ago

Let me check the knowledge base for you. One moment! :books: ---------------------- To call an action with arguments in Wasp, you can use the generated client-side JavaScript function that shares its name with the action. This function takes a single optional argument - an object containing any serializable data you wish to use inside the action. Here's an example of how you can call an action with arguments:

import { customSignup } from 'wasp/client/operations'

customSignup({ arg1: 'value1', arg2: 'value2' })
  .then(response => {
    // Handle response
  })
  .catch(error => {
    // Handle error
  })

import { customSignup } from 'wasp/client/operations'

customSignup({ arg1: 'value1', arg2: 'value2' })
  .then(response => {
    // Handle response
  })
  .catch(error => {
    // Handle error
  })

In this example, customSignup is the name of the action, and { arg1: 'value1', arg2: 'value2' } is the object containing the arguments you're passing to the action. The customSignup function returns a promise, so you can use .then() to handle the response and .catch() to handle any errors. Remember, the arguments you pass when calling the action should match the arguments you expect to receive in the function that implements the action. Sources: - Declaring Actions (https://wasp-lang.dev/docs/data-model/operations/actions#declaring-actions) - Implementing Actions (https://wasp-lang.dev/docs/data-model/operations/actions#implementing-actions) ---------------------- Note: you can ask me a follow up question by @ mentioning me again :speech_balloon: ---------------------- Sorry @Mohan, I seem to be having a bit of trouble. Don't worry though, I've pinged my support and they will try to fix me up! :technologist: Perhaps try again in 15mins?

MohanOP•7mo ago

@kapa.ai I have defined my action in mail file but it didnt autogenerate code in server/client

kapa.ai•7mo ago

Let me check the knowledge base for you. One moment! :books: ---------------------- If your action is not auto-generating code in the server/client, there could be a few reasons for this: 1. Incorrect Import Path: Ensure that the import path in your action declaration is correct. The path should point to the file where the action function is implemented. For example:

action customSignup {  
 fn: import { signup } from "@src/auth/signup.js"  
}

action customSignup {  
 fn: import { signup } from "@src/auth/signup.js"  
}

2. Action Function Not Exported: Make sure that the action function is exported in the file where it's implemented. For example:

export const signup = async (args, context) => {  
 // Your action logic here  
}

export const signup = async (args, context) => {  
 // Your action logic here  
}

3. Wasp Server Not Restarted: If you've made changes to your main.wasp file or any other file, you need to restart the Wasp server for the changes to take effect. You can do this by stopping the server (Ctrl+C in the terminal where the server is running) and then starting it again with wasp start. 4. Wasp Project Not Cleaned: Sometimes, old build files can cause issues. You can clean your Wasp project with wasp clean and then start the server again with wasp start. If you've checked all of these and your action is still not auto-generating code, it could be a bug. In that case, you can open an issue on the Wasp GitHub repository (https://github.com/wasp-lang/wasp/issues). Sources: - Declaring Actions (https://wasp-lang.dev/docs/data-model/operations/actions#declaring-actions) - Implementing Actions (https://wasp-lang.dev/docs/data-model/operations/actions#implementing-actions) - Wasp GitHub Issues (https://github.com/wasp-lang/wasp/issues) ---------------------- Note: you can ask me a follow up question by @ mentioning me again :speech_balloon: ---------------------- Sorry @Mohan, I seem to be having a bit of trouble. Don't worry though, I've pinged my support and they will try to fix me up! :technologist: Perhaps try again in 15mins?

MohanOP•7mo ago

@kapa.ai in point 1 doesnt the function get autogenerated

kapa.ai•7mo ago

Let me check the knowledge base for you. One moment! :books: ---------------------- No, the function does not get auto-generated. In Wasp, you need to manually implement the function for your action in a separate JavaScript or TypeScript file, and then import it in your main.wasp file. Here's an example: In your JavaScript or TypeScript file (e.g., signup.js), you would define your function:

export const signup = async (args, context) => {
  // Your action logic here
}

export const signup = async (args, context) => {
  // Your action logic here
}

Then, in your main.wasp file, you would declare your action and import the function:

action customSignup {
  fn: import { signup } from "@src/auth/signup.js"
}

action customSignup {
  fn: import { signup } from "@src/auth/signup.js"
}

In this example, customSignup is the name of the action, and signup is the function that implements the action. The signup function is imported from the signup.js file in the src/auth directory. Remember, the function you import in your action declaration should match the function you've defined in your JavaScript or TypeScript file. Sources: - Declaring Actions (https://wasp-lang.dev/docs/data-model/operations/actions#declaring-actions) - Implementing Actions (https://wasp-lang.dev/docs/data-model/operations/actions#implementing-actions) ---------------------- Note: you can ask me a follow up question by @ mentioning me again :speech_balloon: ---------------------- Sorry @Mohan, I seem to be having a bit of trouble. Don't worry though, I've pinged my support and they will try to fix me up! :technologist: Perhaps try again in 15mins?

MohanOP•7mo ago

@kapa.ai but in the documentation After declaring a Wasp Action, two important things happen: Wasp generates a server-side NodeJS function that shares its name with the Action. Wasp generates a client-side JavaScript function that shares its name with the Action (e.g., markTaskAsDone). This function takes a single optional argument - an object containing any serializable data you wish to use inside the Action. Wasp will send this object over the network and pass it into the Action's implementation as its first positional argument (more on this when we look at the implementations). Such an abstraction works thanks to an HTTP API route handler Wasp generates on the server, which calls the Action's NodeJS implementation under the hood.

MEE6•7mo ago

Wohooo @Mohan, you just became a Waspeteer level 1!

kapa.ai•7mo ago

Let me check the knowledge base for you. One moment! :books: ---------------------- Yes, you're correct. After declaring a Wasp action, Wasp does generate a server-side NodeJS function and a client-side JavaScript function that share the same name with the action. However, these generated functions are not the implementation of the action itself, but rather they are interfaces for calling the action from your code. The actual implementation of the action (i.e., the business logic) needs to be manually written by you in a separate JavaScript or TypeScript file. This is the function that you import in the action declaration in your main.wasp file. Here's an example: In your JavaScript or TypeScript file (e.g., actions.js), you would define your function:

export const markTaskAsDone = (args) => {
  // Your action logic here
}

export const markTaskAsDone = (args) => {
  // Your action logic here
}

Then, in your main.wasp file, you would declare your action and import the function:

action markTaskAsDone {
  fn: import { markTaskAsDone } from "@src/actions.js"
}

action markTaskAsDone {
  fn: import { markTaskAsDone } from "@src/actions.js"
}

In this example, markTaskAsDone is the name of the action, and markTaskAsDone is also the name of the function that implements the action. The markTaskAsDone function is imported from the actions.js file in the src directory. After declaring this action, Wasp will generate a server-side NodeJS function and a client-side JavaScript function, both named markTaskAsDone. These generated functions can be used to call the action from your code, and they handle sending and receiving data over the network, but the actual logic of the action is defined in the markTaskAsDone function that you wrote. Sources: - Declaring Actions (https://wasp-lang.dev/docs/data-model/operations/actions#declaring-actions) - Implementing Actions (https://wasp-lang.dev/docs/data-model/operations/actions#implementing-actions) ---------------------- Note: you can ask me a follow up question by @ mentioning me again :speech_balloon: ---------------------- Sorry @Mohan, I seem to be having a bit of trouble. Don't worry though, I've pinged my support and they will try to fix me up! :technologist: Perhaps try again in 15mins?

miho•7mo ago

@sodic maybe check this one 🙂

MohanOP•7mo ago

Solved

miho•7mo ago

What did you do to solve it? If you could share your solution it would be helpful for people with a similar problem in the future

Filip•7mo ago

Hey @Mohan, if you're still around, I see that you liked @miho's message but forgot to post the solution 😄

MohanOP•7mo ago

@sodic thanks for reminding. Will post the solutions tomorrow

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