hu/lib/equality.js

Functional utility helper library

{
    var _ns_ = {
        id: 'hu.lib.macros',
        doc: void 0
    };
    var hu_lib_function = require('./function');
    var curry = hu_lib_function.curry;
    var compose = hu_lib_function.compose;
    var hu_lib_type = require('./type');
    var isString = hu_lib_type.isString;
    var isArray = hu_lib_type.isArray;
    var isNumber = hu_lib_type.isNumber;
    var isUndef = hu_lib_type.isUndef;
    var isObject = hu_lib_type.isObject;
}
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{
    var _ns_ = {
        id: 'hu.lib.equality',
        doc: void 0
    };
    var hu_lib_number = require('./number');
    var inc = hu_lib_number.inc;
    var dec = hu_lib_number.dec;
    var hu_lib_object = require('./object');
    var keys = hu_lib_object.keys;
    var hu_lib_type = require('./type');
    var isDate = hu_lib_type.isDate;
    var isArray = hu_lib_type.isArray;
    var isObject = hu_lib_type.isObject;
    var isFn = hu_lib_type.isFn;
    var isNull = hu_lib_type.isNull;
    var isUndef = hu_lib_type.isUndef;
    var isString = hu_lib_type.isString;
    var isNumber = hu_lib_type.isNumber;
    var isBool = hu_lib_type.isBool;
    var isIterable = hu_lib_type.isIterable;
    var isPattern = hu_lib_type.isPattern;
    var isPatternEqual = hu_lib_type.isPatternEqual;
    var isDateEqual = hu_lib_type.isDateEqual;
}
var isDateEqual = exports.isDateEqual = function isDateEqual() {
    var args = Array.prototype.slice.call(arguments, 0);
    return curry(function (x, y) {
        return isDate(x) && isDate(y) && Number(x) === Number(y);
    }).apply(void 0, args);
};
var dateEqual = exports.dateEqual = isDateEqual;
var isPatternEqual = exports.isPatternEqual = function isPatternEqual() {
    var args = Array.prototype.slice.call(arguments, 0);
    return curry(function (x, y) {
        return isPattern(x) && isPattern(y) && x.source === y.source && x.global === y.global && x.multiline === y.multiline && x.ignoreCase === y.ignoreCase;
    }).apply(void 0, args);
};
var isRegExpEqual = exports.isRegExpEqual = isPatternEqual;
var patternEqual = exports.patternEqual = isPatternEqual;
var isArrayEqual = exports.isArrayEqual = function isArrayEqual() {
    var args = Array.prototype.slice.call(arguments, 0);
    return curry(function (x, y) {
        return isArray(x) && isArray(y) && x.length === y.length && function loop() {
            var recur = loop;
            var xsø1 = x;
            var ysø1 = y;
            var indexø1 = 0;
            var countø1 = x.length;
            do {
                recur = indexø1 < countø1 ? isEqual((xsø1 || 0)[indexø1], (ysø1 || 0)[indexø1]) ? (loop[0] = xsø1, loop[1] = ysø1, loop[2] = inc(indexø1), loop[3] = countø1, loop) : false : true;
            } while (xsø1 = loop[0], ysø1 = loop[1], indexø1 = loop[2], countø1 = loop[3], recur === loop);
            return recur;
        }.call(this);
    }).apply(void 0, args);
};
var arrayEqual = exports.arrayEqual = isArrayEqual;
var isObjectEqual = exports.isObjectEqual = function isObjectEqual() {
    var args = Array.prototype.slice.call(arguments, 0);
    return curry(function (x, y) {
        return isObject(x) && isObject(y) && function () {
            var xKeysø1 = keys(x);
            var yKeysø1 = keys(y);
            var xCountø1 = xKeysø1.length;
            var yCountø1 = yKeysø1.length;
            return xCountø1 === yCountø1 && function loop() {
                var recur = loop;
                var indexø1 = 0;
                var countø1 = xCountø1;
                var keysø1 = xKeysø1;
                do {
                    recur = indexø1 < countø1 ? isEqual((x || 0)[(keysø1 || 0)[indexø1]], (y || 0)[(keysø1 || 0)[indexø1]]) ? (loop[0] = inc(indexø1), loop[1] = countø1, loop[2] = keysø1, loop) : false : true;
                } while (indexø1 = loop[0], countø1 = loop[1], keysø1 = loop[2], recur === loop);
                return recur;
            }.call(this);
        }.call(this);
    }).apply(void 0, args);
};
var objectEqual = exports.objectEqual = isObjectEqual;
var isEqual = exports.isEqual = function isEqual() {
    switch (arguments.length) {
    case 1:
        var x = arguments[0];
        return true;
    case 2:
        var x = arguments[0];
        var y = arguments[1];
        return x === y || (isNull(x) ? isNull(y) : isUndef(y) ? isUndef(x) : isString(x) ? isString(y) && x === y : isNumber(x) ? isNumber(y) && x === y : isFn(x) ? false : isBool(x) ? false : isDate(x) ? isDateEqual(x, y) : isArray(x) ? isArrayEqual(x, y, [], []) : isPattern(x) ? isPatternEqual(x, y) : 'else' ? isObjectEqual(x, y) : void 0);
    default:
        var x = arguments[0];
        var y = arguments[1];
        var more = Array.prototype.slice.call(arguments, 2);
        return function loop() {
            var recur = loop;
            var previousø1 = x;
            var currentø1 = y;
            var indexø1 = 0;
            var countø1 = more.length;
            do {
                recur = isEqual(previousø1, currentø1) && (indexø1 < countø1 ? (loop[0] = currentø1, loop[1] = (more || 0)[indexø1], loop[2] = inc(indexø1), loop[3] = countø1, loop) : true);
            } while (previousø1 = loop[0], currentø1 = loop[1], indexø1 = loop[2], countø1 = loop[3], recur === loop);
            return recur;
        }.call(this);
    }
};
var equal = exports.equal = isEqual;
var isDeepEqual = exports.isDeepEqual = isEqual;
var deepEqual = exports.deepEqual = isEqual;