imterah/element-portable
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Michael Weimann 2022-12-12 12:24:14 +01:00
parent 1cac306093
commit 526645c791
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1576 changed files with 65385 additions and 62478 deletions
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12
src/utils/objects.ts
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@ -16,7 +16,7 @@ limitations under the License.
import { arrayDiff, arrayUnion, arrayIntersection } from "./arrays";
type ObjectExcluding<O extends {}, P extends (keyof O)[]> = {[k in Exclude<keyof O, P[number]>]: O[k]};
type ObjectExcluding<O extends {}, P extends (keyof O)[]> = { [k in Exclude<keyof O, P[number]>]: O[k] };
/**
* Gets a new object which represents the provided object, excluding some properties.
@ -45,13 +45,13 @@ export function objectExcluding<O extends {}, P extends Array<keyof O>>(a: O, pr
* @param props The property names to keep.
* @returns The new object with only the provided properties.
*/
export function objectWithOnly<O extends {}, P extends Array<keyof O>>(a: O, props: P): {[k in P[number]]: O[k]} {
export function objectWithOnly<O extends {}, P extends Array<keyof O>>(a: O, props: P): { [k in P[number]]: O[k] } {
const existingProps = Object.keys(a) as (keyof O)[];
const diff = arrayDiff(existingProps, props);
if (diff.removed.length === 0) {
return objectShallowClone(a);
} else {
return objectExcluding(a, diff.removed) as {[k in P[number]]: O[k]};
return objectExcluding(a, diff.removed) as { [k in P[number]]: O[k] };
}
}
@ -94,10 +94,10 @@ export function objectHasDiff<O extends {}>(a: O, b: O): boolean {
// if the amalgamation of both sets of keys has the a different length to the inputs then there must be a change
if (possibleChanges.length !== aKeys.length) return true;
return possibleChanges.some(k => a[k] !== b[k]);
return possibleChanges.some((k) => a[k] !== b[k]);
}
type Diff<K> = { changed: K[], added: K[], removed: K[] };
type Diff<K> = { changed: K[]; added: K[]; removed: K[] };
/**
* Determines the keys added, changed, and removed between two objects.
@ -112,7 +112,7 @@ export function objectDiff<O extends {}>(a: O, b: O): Diff<keyof O> {
const bKeys = Object.keys(b) as (keyof O)[];
const keyDiff = arrayDiff(aKeys, bKeys);
const possibleChanges = arrayIntersection(aKeys, bKeys);
const changes = possibleChanges.filter(k => a[k] !== b[k]);
const changes = possibleChanges.filter((k) => a[k] !== b[k]);
return { changed: changes, added: keyDiff.added, removed: keyDiff.removed };
}