import { ensureArrayLength } from '../utils';

export class Insert {
    at: number
    value: string
    constructor(at: number, value: string) {
        this.at = at < 0 ? 0 : at;
        this.value = String(value);
    }

    apply(data) {
        let copy = data.slice(0);
        copy = ensureArrayLength(copy, this.at);
        copy.splice(this.at, 0, ...this.value.split(''));
        return copy;
    }
}