tiptap/packages/core/src/utilities/removeDuplicates.ts
Philipp Kühn e07a5b625d
refactor: Use named exports instead of default exports (#2238)
* use named exports instead of default exports

* fix tests

Co-authored-by: Philipp Kühn <philippkuehn@MacBook-Pro-von-Philipp.local>
2021-12-06 12:00:09 +01:00

16 lines
374 B
TypeScript

/**
* Removes duplicated values within an array.
* Supports numbers, strings and objects.
*/
export function removeDuplicates<T>(array: T[], by = JSON.stringify): T[] {
const seen: Record<any, any> = {}
return array.filter(item => {
const key = by(item)
return Object.prototype.hasOwnProperty.call(seen, key)
? false
: (seen[key] = true)
})
}