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[ramda] Use mapped types for pluck, prop and props (resolves #21238)

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Tom Crockett
2017-11-05 15:46:34 -08:00
parent 718ba93da6
commit cb51b88dec
2 changed files with 9 additions and 10 deletions
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14
types/ramda/index.d.ts vendored
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@@ -1423,8 +1423,10 @@ declare namespace R {
/**
* Returns a new list by plucking the same named property off all objects in the list supplied.
*/
pluck<T>(p: string | number, list: any[]): T[];
pluck(p: string | number): <T>(list: any[]) => T[];
pluck<P extends string, T>(p: P, list: Array<Record<P, T>>): T[];
pluck<T>(p: number, list: Array<{ [k: number]: T }>): T[];
pluck<P extends string>(p: P): <T>(list: Array<Record<P, T>>) => T[];
pluck(p: number): <T>(list: Array<{ [k: number]: T }>) => T[];
/**
* Returns a new list with the given element at the front, followed by the contents of the
@@ -1447,8 +1449,8 @@ declare namespace R {
* Returns a function that when supplied an object returns the indicated property of that object, if it exists.
* Note: TS1.9 # replace any by dictionary
*/
prop<T>(p: string, obj: any): T;
prop<T>(p: string): (obj: any) => T;
prop<P extends string, T>(p: P, obj: Record<P, T>): T;
prop<P extends string>(p: P): <T>(obj: Record<P, T>) => T;
/**
* Determines whether the given property of an object has a specific
@@ -1487,8 +1489,8 @@ declare namespace R {
* The only difference from `prop` is the parameter order.
* Note: TS1.9 # replace any by dictionary
*/
props<T>(ps: string[], obj: any): T[];
props(ps: string[]): <T>(obj: any) => T[];
props<P extends string, T>(ps: P[], obj: Record<P, T>): T[];
props<P extends string>(ps: P[]): <T>(obj: Record<P, T>) => T[];
/**
* Returns true if the specified object property satisfies the given predicate; false otherwise.

5
types/ramda/ramda-tests.ts
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@@ -1535,7 +1535,6 @@ class Rectangle {
() => {
const x: number = R.prop("x", {x: 100}); // => 100
const a = R.prop("x", {}); // => undefined
};
() => {
@@ -1546,7 +1545,6 @@ class Rectangle {
const favorite = R.prop("favoriteLibrary");
const favoriteWithDefault = R.propOr("Ramda", "favoriteLibrary");
const s1 = favorite(alice); // => undefined
const s2 = favoriteWithDefault(alice); // => 'Ramda'
};
@@ -1558,7 +1556,6 @@ class Rectangle {
() => {
R.props(["x", "y"], {x: 1, y: 2}); // => [1, 2]
R.props(["c", "a", "b"], {b: 2, a: 1}); // => [undefined, 1, 2]
const fullName = R.compose(R.join(" "), R.props(["first", "last"]));
fullName({last: "Bullet-Tooth", age: 33, first: "Tony"}); // => 'Tony Bullet-Tooth'
@@ -1859,7 +1856,7 @@ class Rectangle {
};
() => {
const sortByNameCaseInsensitive = R.sortBy(R.compose<string, string, string>(R.toLower, R.prop("name")));
const sortByNameCaseInsensitive = R.sortBy(R.compose<Record<'name', string>, string, string>(R.toLower, R.prop("name")));
const alice = {
name: "ALICE",
age : 101