arktype•11mo ago

Easier way to chain off of string.integer.parse?

I'm essentially trying to replicate this behavior from Zod:

const numberStringGreaterThan5 = z.coerce.number().gt(5)
numberStringGreaterThan5.parse("6")

const numberStringGreaterThan5 = z.coerce.number().gt(5)
numberStringGreaterThan5.parse("6")

const numberStringGreaterThan5 = z.coerce.number().gt(5)
numberStringGreaterThan5.parse("6")

const numberStringGreaterThan5 = z.coerce.number().gt(5)
numberStringGreaterThan5.parse("6")

The best way I've found to do it with Arktype is with a

.narrow

.narrow

.narrow

.narrow , but I'm wondering if theres something simpler

const numberStringGreaterThan5 = type("string.integer.parse").narrow((num, ctx) => (num > 5 ? true : ctx.mustBe("greater than 5")))
numberStringGreaterThan5("6")

const numberStringGreaterThan5 = type("string.integer.parse").narrow((num, ctx) => (num > 5 ? true : ctx.mustBe("greater than 5")))
numberStringGreaterThan5("6")

const numberStringGreaterThan5 = type("string.integer.parse").narrow((num, ctx) => (num > 5 ? true : ctx.mustBe("greater than 5")))
numberStringGreaterThan5("6")

const numberStringGreaterThan5 = type("string.integer.parse").narrow((num, ctx) => (num > 5 ? true : ctx.mustBe("greater than 5")))
numberStringGreaterThan5("6")

Easier way to chain off of string.integer.parse?

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