Listify

Convert an object to a list of items.

🎬 Usage

<script>
    import {listify} from "@sveu/shared/dicts"

    const obj = {"Mila": "Kunis", "Emma": "Watson", "Scarlett": "Johansson"}

    listify(obj, (key, value) => [key, value]) // [["Mila", "Kunis"], ["Emma", "Watson"], ["Scarlett", "Johansson"]]
</script>

👩‍💻API

👻 Arguments

Name	Description	Type	Required
obj	object to listify	`Record<string \| number \| symbol, any>`	`yes`
to_item	function to convert key-value pairs to items	`(key: string, value: any) => any`	`yes`

↩️ Returns

A new list of items.

🧪 Playground

Source Code 👀

Source Code

/**
 * Convert an object to a list of items.
 *
 * @param obj - The object to convert.
 *
 * @param to_item - The function to convert each key-value pair to an item.
 *
 * @returns The list of items.
 */
export function listify<Value, Key extends string | number | symbol, KResult>(
    obj: Record<Key, Value>,
    to_item: (key: Key, value: Value) => KResult
) {
    if (!obj) return []

    const entries = Object.entries(obj)

    if (entries.length === 0) return []

    return entries.reduce((acc, entry) => {
        return [...acc, to_item(entry[0] as Key, entry[1] as Value)]
    }, [] as KResult[])
}

Last update: 2023-02-14

Authors: Mohamed-Kaizen