nowjs-core/lib/core/Comparator.js

NowCanDo Javascript Core [nowjs-core] is a library written by TypeScript code maintains under Apache 2.0 licence

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const numberComparator = (a, b) => {
    if (a > b) {
        return 1;
    }
    else if (a === b) {
        return 0;
    }
    else {
        return -1;
    }
};
exports.numberComparator = numberComparator;
const stringComparator = (a, b) => {
    return a.localeCompare(b);
};
exports.stringComparator = stringComparator;
const booleanComparator = (a, b) => {
    if (a === b) {
        return 0;
    }
    else {
        return -1;
    }
};
exports.booleanComparator = booleanComparator;
const objectComparator = (a, b) => {
    if (a > b) {
        return 1;
    }
    else if (a === b) {
        return 0;
    }
    else {
        return -1;
    }
};
exports.objectComparator = objectComparator;
const deepObjectComparator = (a, b) => {
    if (a > b) {
        return 1;
    }
    else if (a === b) {
        return 0;
    }
    else {
        return -1;
    }
};
exports.deepObjectComparator = deepObjectComparator;
function isEquals(x, y) {
    if (x === null || x === undefined || y === null || y === undefined) {
        return x === y;
    }
    if (x.constructor !== y.constructor) {
        return false;
    }
    if (x instanceof Function) {
        return x === y;
    }
    if (x instanceof RegExp) {
        return x === y;
    }
    if (x === y || x.valueOf() === y.valueOf()) {
        return true;
    }
    if (Array.isArray(x) && x.length !== y.length) {
        return false;
    }
    if (x instanceof Date) {
        return false;
    }
    if (!(x instanceof Object)) {
        return false;
    }
    if (!(y instanceof Object)) {
        return false;
    }
    const p = Object.keys(x);
    return Object.keys(y).every(i => p.indexOf(i) !== -1) && p.every(i => isEquals(x[i], y[i]));
}
exports.isEquals = isEquals;