Sourced from yup's releases.

v1 Because I finally got around to it

jquense/yup#1906

v1.0.0-beta.7

Fixes published artifacts for the main field

v1.0.0-beta.5 - partial fixes and cast migration path

Beta 5 fixes partial and deepPartial making it work correctly with lazy schema. Specifically the optionality is added after lazy is evaluated but before any other when conditions are added. This makes it consistent with other conditional schema, where runtime conditions always supersede previous schema configuration. This allows for optional overrides if necessary.

const person = object({
  name: string().required(),
  age: number().required(),
  legalGuardian:  string().when('age', {
    is: (age) => age != null && age < 18,
    then: (schema) => schema.required(),
  }),
});
const optionalPerson = person.partial()
person.cast({name: 'James', age: 6 }) // => TypeError legalGuardian required
// age is still required b/c it's applied after the partial
optionalPerson.cast({name: 'James',  age: 6 }) // => TypeError legalGuardian required

This works slightly differently for lazy which have no schema to "start" with:

const config = object({
  nameOrIdNumber:  lazy((value) => {
     if (typeof value === 'number') return number().required()
     return string().required()
  }),
});
const opti = config.partial()
config.cast({}) // => TypeError nameOrIdNumber is required
config.partial().cast({}) // => {}

Cast optionality migration path

A larger breaking change in v1 is the assertion of optionality during cast, making previous patterns like string().nullable().required() no longer possible. Generally this pattern is used when deserialized data is not valid to start, but will become valid through user input such as with an HTML form. v1 no longer allows this, but in order to make migration easier we've added an option to cast that mimics the previous behavior (not exactly but closely).

const name = string().required()
</tr></table> 

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Sourced from yup's changelog.

1.0.2 (2023-02-27)

Bug Fixes

• fix array describe not including conditions (4040592), closes #1920

1.0.1 (2023-02-25)

1.0.0 (2023-02-08)

Migrating from 0.x to 1.0.0: #1906

1.0.0-beta.8 (2022-11-10)

Bug Fixes

• check if field exists when generating defaults (37f686c)
• correct minor typo in README (#1760) (62786c4)
• don't return any for oneOf (74c5bc5), closes #1675
• export more types (f250109)
• string().notRequired() (#1824) (dcb4b63)
• TS 4.8 compat (bc74c34)
• types: undefined defaults produce optional outputs (1afbac0)

Features

• add some more type exports (d5e9c99)
• Export ValidateOptions, ISchema for external use (#1812) (584df11)
• respect nullable() with oneOf (#1757) (61ec302), closes #768 #104
• simplify email validation (440db3e)

BREAKING CHANGES

• previously oneOf required adding null explicitly to allowed values when using oneOf. Folks have found this confusing and unintuitive so I am deferring and adjusting the behavior
• Use a simpler regex for email addresses that aligns with browsers, and add docs about how to override.

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