hckrnews / arrays

import toJson from './toJson.js';

class Diff {

    constructor(currentArray, otherArray, total) {

        this.currentArray = currentArray;

        this.otherArray = otherArray;

        this.total = total;

    }

    get differenceArray() {

        const otherArray = toJson(this.otherArray);

        return this.currentArray.filter(

            (value) => !otherArray.includes(JSON.stringify(value))

        );

    }

    get differenceArrayB() {

        if (!this.total) {

            return [];

        }

        const currentArray = toJson(this.currentArray);

        return this.otherArray.filter(

            (value) => !currentArray.includes(JSON.stringify(value))

        );

    }

    get compare() {

        return this.differenceArray.concat(this.differenceArrayB);

    }

    static create(currentArray, otherArray, total) {

        const differ = new Diff(currentArray, otherArray, total);

        return differ.compare;

    }

}

export default function diff(currentArray, otherArray, total) {

    return Diff.create(currentArray, otherArray, total);

}