Function find

find<V>(
input: V[],
predicate: (value: V, index: number) => Promise<boolean>,
): Promise<undefined | V>
Returns the first element matching the predicate, or undefined if none match.

Returns Promise when input is an AsyncIterable or the predicate returns a Promise. Sequential evaluation with short-circuit when the predicate is async.
Type Parameters
- V
Parameters
- input: V[]
- predicate: (value: V, index: number) => Promise<boolean>
Returns Promise<undefined | V>
- Defined in src/iterable.ts:651
find<V, R>(
input: V[],
predicate: (value: V, index: number) => value is R,
): undefined | R
Returns the first element matching the predicate, or undefined if none match.

Returns Promise when input is an AsyncIterable or the predicate returns a Promise. Sequential evaluation with short-circuit when the predicate is async.
Type Parameters
- V
- R
Parameters
- input: V[]
- predicate: (value: V, index: number) => value is R
Returns undefined | R
- Defined in src/iterable.ts:655
find<V>(
input: V[],
predicate: (value: V, index: number) => boolean,
): undefined | V
Returns the first element matching the predicate, or undefined if none match.

Returns Promise when input is an AsyncIterable or the predicate returns a Promise. Sequential evaluation with short-circuit when the predicate is async.
Type Parameters
- V
Parameters
- input: V[]
- predicate: (value: V, index: number) => boolean
Returns undefined | V
- Defined in src/iterable.ts:659
find<K, V>(
input: Map<K, V>,
predicate: (value: [K, V], index: number) => Promise<boolean>,
): Promise<undefined | [K, V]>
Returns the first element matching the predicate, or undefined if none match.

Returns Promise when input is an AsyncIterable or the predicate returns a Promise. Sequential evaluation with short-circuit when the predicate is async.
Type Parameters
- K
- V
Parameters
- input: Map<K, V>
- predicate: (value: [K, V], index: number) => Promise<boolean>
Returns Promise<undefined | [K, V]>
- Defined in src/iterable.ts:663
find<K, V>(
input: Map<K, V>,
predicate: (value: [K, V], index: number) => boolean,
): undefined | [K, V]
Returns the first element matching the predicate, or undefined if none match.

Returns Promise when input is an AsyncIterable or the predicate returns a Promise. Sequential evaluation with short-circuit when the predicate is async.
Type Parameters
- K
- V
Parameters
- input: Map<K, V>
- predicate: (value: [K, V], index: number) => boolean
Returns undefined | [K, V]
- Defined in src/iterable.ts:667
find<T>(
input: Set<T>,
predicate: (value: T, index: number) => Promise<boolean>,
): Promise<undefined | T>
Returns the first element matching the predicate, or undefined if none match.

Returns Promise when input is an AsyncIterable or the predicate returns a Promise. Sequential evaluation with short-circuit when the predicate is async.
Type Parameters
- T
Parameters
- input: Set<T>
- predicate: (value: T, index: number) => Promise<boolean>
Returns Promise<undefined | T>
- Defined in src/iterable.ts:671
find<T, R>(
input: Set<T>,
predicate: (value: T, index: number) => value is R,
): undefined | R
Returns the first element matching the predicate, or undefined if none match.

Returns Promise when input is an AsyncIterable or the predicate returns a Promise. Sequential evaluation with short-circuit when the predicate is async.
Type Parameters
- T
- R
Parameters
- input: Set<T>
- predicate: (value: T, index: number) => value is R
Returns undefined | R
- Defined in src/iterable.ts:675
find<T>(
input: Set<T>,
predicate: (value: T, index: number) => boolean,
): undefined | T
Returns the first element matching the predicate, or undefined if none match.

Returns Promise when input is an AsyncIterable or the predicate returns a Promise. Sequential evaluation with short-circuit when the predicate is async.
Type Parameters
- T
Parameters
- input: Set<T>
- predicate: (value: T, index: number) => boolean
Returns undefined | T
- Defined in src/iterable.ts:679
find<T>(
input: AsyncIterable<T>,
predicate: (value: T, index: number) => boolean | Promise<boolean>,
): Promise<undefined | T>
Returns the first element matching the predicate, or undefined if none match.

Returns Promise when input is an AsyncIterable or the predicate returns a Promise. Sequential evaluation with short-circuit when the predicate is async.
Type Parameters
- T
Parameters
- input: AsyncIterable<T>
- predicate: (value: T, index: number) => boolean | Promise<boolean>
Returns Promise<undefined | T>
- Defined in src/iterable.ts:683
find<T>(
input: Iterable<T>,
predicate: (value: T, index: number) => Promise<boolean>,
): Promise<undefined | T>
Returns the first element matching the predicate, or undefined if none match.

Returns Promise when input is an AsyncIterable or the predicate returns a Promise. Sequential evaluation with short-circuit when the predicate is async.
Type Parameters
- T
Parameters
- input: Iterable<T>
- predicate: (value: T, index: number) => Promise<boolean>
Returns Promise<undefined | T>
- Defined in src/iterable.ts:687
find<T>(
input: Iterable<T>,
predicate: (value: T, index: number) => boolean,
): undefined | T
Returns the first element matching the predicate, or undefined if none match.

Returns Promise when input is an AsyncIterable or the predicate returns a Promise. Sequential evaluation with short-circuit when the predicate is async.
Type Parameters
- T
Parameters
- input: Iterable<T>
- predicate: (value: T, index: number) => boolean
Returns undefined | T
- Defined in src/iterable.ts:691
find<K extends PropertyKey, V>(
input: Record<K, V>,
predicate: (value: [K, V], index: number) => Promise<boolean>,
): Promise<undefined | [K, V]>
Returns the first element matching the predicate, or undefined if none match.

Returns Promise when input is an AsyncIterable or the predicate returns a Promise. Sequential evaluation with short-circuit when the predicate is async.
Type Parameters
- K extends PropertyKey
- V
Parameters
- input: Record<K, V>
- predicate: (value: [K, V], index: number) => Promise<boolean>
Returns Promise<undefined | [K, V]>
- Defined in src/iterable.ts:695
find<K extends PropertyKey, V>(
input: Record<K, V>,
predicate: (value: [K, V], index: number) => boolean,
): undefined | [K, V]
Returns the first element matching the predicate, or undefined if none match.

Returns Promise when input is an AsyncIterable or the predicate returns a Promise. Sequential evaluation with short-circuit when the predicate is async.
Type Parameters
- K extends PropertyKey
- V
Parameters
- input: Record<K, V>
- predicate: (value: [K, V], index: number) => boolean
Returns undefined | [K, V]
- Defined in src/iterable.ts:699

Function find

Type Parameters

Parameters

Returns Promise<undefined | V>

Type Parameters

Parameters

Returns undefined | R

Type Parameters

Parameters

Returns undefined | V

Type Parameters

Parameters

Returns Promise<undefined | [K, V]>

Type Parameters

Parameters

Returns undefined | [K, V]

Type Parameters

Parameters

Returns Promise<undefined | T>

Type Parameters

Parameters

Returns undefined | R

Type Parameters

Parameters

Returns undefined | T

Type Parameters

Parameters

Returns Promise<undefined | T>

Type Parameters

Parameters

Returns Promise<undefined | T>

Type Parameters

Parameters

Returns undefined | T

Type Parameters

Parameters

Returns Promise<undefined | [K, V]>

Type Parameters

Parameters

Returns undefined | [K, V]

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