#j_code

1 messages ¡ Page 1 of 1 (latest)

cyan ploverBOT
#

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zealous swan
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      ? await stripe.promotionCodes.retrieve(promotionCodeId)
      : undefined;```

aaand here's how we get maybePromotionCode,

and here's the error.

```Type '{ default_tax_rates: string[]; discounts?: { promotion_code: string; }[]; customer: string; collection_method: "charge_automatically"; default_payment_method: string; auto_advance: true; }' is not assignable to type 'InvoiceCreateParams'.
  Types of property 'discounts' are incompatible.
    Type '{ promotion_code: string; }[]' is not assignable to type 'Emptyable<Discount[]>'.
      Type '{ promotion_code: string; }[]' is not assignable to type 'Discount[]'.
        Object literal may only specify known properties, and 'promotion_code' does not exist in type 'Discount'.ts(2322)```
last hornet
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Hey there, taking a look at this, please bear with me

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That looks like a typescript error, not a stirpe error

#

It seems like you're not actually sending a request yet, or are you?

zealous swan
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its using. type in your code-- specifically RE: the discount type

# 
        /**
         * ID of the coupon to create a new discount for.
         */
        coupon?: string;

        /**
         * ID of an existing discount on the object (or one of its ancestors) to reuse.
         */
        discount?: string;
      }```
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im trying specifically to send a one time invoice for the promotion code and not the coupon, how would i adjust an invoiceCreateParams call

last hornet
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What version of stripe-node are you using?

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Your parameter shape looks valid, so no idea why TS is upset about it

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But I don't know what Emptyable<Discount[]> means

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This might be an inference problem, you might need to force the type for discounts when you're passing it in line like that

zealous swan
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8.222.0.?

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"In TypeScript, Emptyable<T> is typically a utility type that allows a type T to also be null or undefined. It effectively means that the type can either be the specified type or nothing at all." apparently.

      Type 'Discount[]' is not assignable to type 'Emptyable<Discount[]>'.
        Type 'import("stripe").Stripe.Discount[]' is not assignable to type 'import("stripe").Stripe.InvoiceCreateParams.Discount[]'.
          Type 'import("stripe").Stripe.Discount' is not assignable to type 'import("stripe").Stripe.InvoiceCreateParams.Discount'.
            Types of property 'coupon' are incompatible.
              Type 'Coupon' is not assignable to type 'string'.ts(2322)```

Updated error with fix
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fix being

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doing this gives you "cannot find type discount"

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even getting this out of the way, the interface provided does not contain "promotion_code" at all.

last hornet
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This type first appears in release 15.0.0

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Your version is quote old, so i would recommend updating to a newer release

zealous swan
#

Yeah. That would do it... time to get my team to update Stripe

last hornet
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but in the interim you can ignore the type error

zealous swan
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Will do! Thank you