Method into

src/api/data-array.ts:417–427

(key: string)

    }

    public into(key: string): DataArray<unknown> {
        let result: unknown[] = [];
        for (let child of this.values) {
            let value = (child as Record<string, unknown>)[key];
            if (value === undefined || value === null) continue;

            result.push(value);
        }

        return this.lwrap(result);
    }

    public expand(key: string): DataArray<unknown> {
        let result = [];