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Lodash: zip: add undefined to return values (#23305)

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* Lodash: `zip`: add undefined to return values

* Lodash: `zip`: correct generic typo

* Lodash: `zip`: add undefined to return values for other overloads

* Lodash: `zip`: use `` for tests
This commit is contained in:
Oliver Joseph Ash
2018-01-31 12:35:27 -08:00
committed by Sheetal Nandi
parent 0db2724abb
commit 962a9ec919
2 changed files with 49 additions and 40 deletions
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types/lodash/array/zip.d.ts
Vendored
+16 -16
View File
@@ -8,27 +8,27 @@ declare module "../index" {
* @param arrays The arrays to process.
* @return Returns the new array of grouped elements.
*/
zip<T1, T2>(arrays1: List<T1>, arrays2: List<T2>): Array<[T1, T2]>;
zip<T1, T2>(arrays1: List<T1>, arrays2: List<T2>): Array<[T1 | undefined, T2 | undefined]>;
/**
* @see _.zip
*/
zip<T1, T2, T3>(arrays1: List<T1>, arrays2: List<T2>, arrays3: List<T3>): Array<[T1, T2, T3]>;
zip<T1, T2, T3>(arrays1: List<T1>, arrays2: List<T2>, arrays3: List<T3>): Array<[T1 | undefined, T2 | undefined, T3 | undefined]>;
/**
* @see _.zip
*/
zip<T1, T2, T3, T4>(arrays1: List<T1>, arrays2: List<T2>, arrays3: List<T3>, arrays4: List<T4>): Array<[T1, T2, T3, T4]>;
zip<T1, T2, T3, T4>(arrays1: List<T1>, arrays2: List<T2>, arrays3: List<T3>, arrays4: List<T4>): Array<[T1 | undefined, T2 | undefined, T3 | undefined, T4 | undefined]>;
/**
* @see _.zip
*/
zip<T1, T2, T3, T4, T5>(arrays1: List<T1>, arrays2: List<T2>, arrays3: List<T3>, arrays4: List<T4>, arrays5: List<T5>): Array<[T1, T2, T3, T4, T5]>;
zip<T1, T2, T3, T4, T5>(arrays1: List<T1>, arrays2: List<T2>, arrays3: List<T3>, arrays4: List<T4>, arrays5: List<T5>): Array<[T1 | undefined, T2 | undefined, T3 | undefined, T4 | undefined, T5 | undefined]>;
/**
* @see _.zip
*/
zip<T>(...arrays: Array<List<T> | null | undefined>): T[][];
zip<T>(...arrays: Array<List<T> | null | undefined>): (T | undefined)[][];
}
interface LoDashImplicitWrapper<TValue> {
@@ -38,7 +38,7 @@ declare module "../index" {
zip<T1, T2>(
this: LoDashImplicitWrapper<List<T1>>,
arrays2: List<T2>,
): LoDashImplicitWrapper<Array<[T1, T2]>>;
): LoDashImplicitWrapper<Array<[T1 | undefined, T2 | undefined]>>;
/**
* @see _.zip
@@ -47,7 +47,7 @@ declare module "../index" {
this: LoDashImplicitWrapper<List<T1>>,
arrays2: List<T2>,
arrays3: List<T3>,
): LoDashImplicitWrapper<Array<[T1, T2, T3]>>;
): LoDashImplicitWrapper<Array<[T1 | undefined, T2 | undefined, T3 | undefined]>>;
/**
* @see _.zip
@@ -57,7 +57,7 @@ declare module "../index" {
arrays2: List<T2>,
arrays3: List<T3>,
arrays4: List<T4>,
): LoDashImplicitWrapper<Array<[T1, T2, T3, T4]>>;
): LoDashImplicitWrapper<Array<[T1 | undefined, T2 | undefined, T3 | undefined, T4 | undefined]>>;
/**
* @see _.zip
@@ -68,7 +68,7 @@ declare module "../index" {
arrays3: List<T3>,
arrays4: List<T4>,
arrays5: List<T5>,
): LoDashImplicitWrapper<Array<[T1, T2, T3, T4, T5]>>;
): LoDashImplicitWrapper<Array<[T1 | undefined, T2 | undefined, T3 | undefined, T4 | undefined, T5 | undefined]>>;
/**
* @see _.zip
@@ -76,7 +76,7 @@ declare module "../index" {
zip<T>(
this: LoDashImplicitWrapper<List<T> | null | undefined>,
...arrays: Array<List<T> | null | undefined>
): LoDashImplicitWrapper<T[][]>;
): LoDashImplicitWrapper<Array<Array<T | undefined>>>;
}
interface LoDashExplicitWrapper<TValue> {
@@ -86,7 +86,7 @@ declare module "../index" {
zip<T1, T2>(
this: LoDashExplicitWrapper<List<T1>>,
arrays2: List<T2>,
): LoDashExplicitWrapper<Array<[T1, T2]>>;
): LoDashExplicitWrapper<Array<[T1 | undefined, T2 | undefined]>>;
/**
* @see _.zip
@@ -95,7 +95,7 @@ declare module "../index" {
this: LoDashExplicitWrapper<List<T1>>,
arrays2: List<T2>,
arrays3: List<T3>,
): LoDashExplicitWrapper<Array<[T1, T2, T3]>>;
): LoDashExplicitWrapper<Array<[T1 | undefined, T2 | undefined, T3 | undefined]>>;
/**
* @see _.zip
@@ -105,7 +105,7 @@ declare module "../index" {
arrays2: List<T2>,
arrays3: List<T3>,
arrays4: List<T4>,
): LoDashExplicitWrapper<Array<[T1, T2, T3, T4]>>;
): LoDashExplicitWrapper<Array<[T1 | undefined, T2 | undefined, T3 | undefined, T4 | undefined]>>;
/**
* @see _.zip
@@ -116,7 +116,7 @@ declare module "../index" {
arrays3: List<T3>,
arrays4: List<T4>,
arrays5: List<T5>,
): LoDashExplicitWrapper<Array<[T1, T2, T3, T4, T5]>>;
): LoDashExplicitWrapper<Array<[T1 | undefined, T2 | undefined, T3 | undefined, T4 | undefined, T5 | undefined]>>;
/**
* @see _.zip
@@ -124,6 +124,6 @@ declare module "../index" {
zip<T>(
this: LoDashExplicitWrapper<List<T> | null | undefined>,
...arrays: Array<List<T> | null | undefined>
): LoDashExplicitWrapper<T[][]>;
): LoDashExplicitWrapper<Array<Array<T | undefined>>>;
}
}
}
types/lodash/lodash-tests.ts
+33 -24
View File
@@ -3197,43 +3197,52 @@ namespace TestXor {
let list: _.List<TResult> | null | undefined = [] as any;
{
let result: TResult[][];
// $ExpectType (TResult | undefined)[][]
_.zip<TResult>(array);
// $ExpectType (TResult | undefined)[][]
_.zip<TResult>(array, list);
// $ExpectType (TResult | undefined)[][]
_.zip<TResult>(array, list, array);
result = _.zip<TResult>(array);
result = _.zip<TResult>(array, list);
result = _.zip<TResult>(array, list, array);
// $ExpectType (TResult | undefined)[][]
_.zip<TResult>(list);
// $ExpectType (TResult | undefined)[][]
_.zip<TResult>(list, array);
// $ExpectType (TResult | undefined)[][]
_.zip<TResult>(list, array, list);
result = _.zip<TResult>(list);
result = _.zip<TResult>(list, array);
result = _.zip<TResult>(list, array, list);
result = _.zip(list, array, list, array, list, array);
// $ExpectType (TResult | undefined)[][]
_.zip(list, array, list, array, list, array);
}
{
let result: _.LoDashImplicitArrayWrapper<TResult[]>;
// $ExpectType LoDashImplicitWrapper<(TResult | undefined)[][]>
_(array).zip<TResult>(list);
// $ExpectType LoDashImplicitWrapper<(TResult | undefined)[][]>
_(array).zip<TResult>(list, array);
result = _(array).zip<TResult>(list);
result = _(array).zip<TResult>(list, array);
result = _(list).zip<TResult>(array);
result = _(list).zip<TResult>(array, list);
// $ExpectType LoDashImplicitWrapper<(TResult | undefined)[][]>
_(list).zip<TResult>(array);
// $ExpectType LoDashImplicitWrapper<(TResult | undefined)[][]>
_(list).zip<TResult>(array, list);
}
{
let result: _.LoDashExplicitArrayWrapper<TResult[]>;
// $ExpectType LoDashExplicitWrapper<(TResult | undefined)[][]>
_(array).chain().zip<TResult>(list);
// $ExpectType LoDashExplicitWrapper<(TResult | undefined)[][]>
_(array).chain().zip<TResult>(list, array);
result = _(array).chain().zip<TResult>(list);
result = _(array).chain().zip<TResult>(list, array);
result = _(list).chain().zip<TResult>(array);
result = _(list).chain().zip<TResult>(array, list);
// $ExpectType LoDashExplicitWrapper<(TResult | undefined)[][]>
_(list).chain().zip<TResult>(array);
// $ExpectType LoDashExplicitWrapper<(TResult | undefined)[][]>
_(list).chain().zip<TResult>(array, list);
}
{
_.zip([1, 2], [3, 4]); // $ExpectType [number, number][]
_.zip([1, 2], ["a", "b"]); // $ExpectType [number, string][]
_.zip([1, 2], ["a", "b"], [true, false]); // $ExpectType [number, string, boolean][]
_.zip([1, 2], [3, 4]); // $ExpectType [number | undefined, number | undefined][]
_.zip([1, 2], ["a", "b"]); // $ExpectType [number | undefined, string | undefined][]
_.zip([1, 2], ["a", "b"], [true, false]); // $ExpectType [number | undefined, string | undefined, boolean | undefined][]
}
}