source: trip-planner-front/node_modules/@angular/router/esm2015/src/utils/collection.js

/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
import { ɵisObservable as isObservable, ɵisPromise as isPromise } from '@angular/core';
import { from, of } from 'rxjs';
export function shallowEqualArrays(a, b) {
    if (a.length !== b.length)
        return false;
    for (let i = 0; i < a.length; ++i) {
        if (!shallowEqual(a[i], b[i]))
            return false;
    }
    return true;
}
export function shallowEqual(a, b) {
    // While `undefined` should never be possible, it would sometimes be the case in IE 11
    // and pre-chromium Edge. The check below accounts for this edge case.
    const k1 = a ? Object.keys(a) : undefined;
    const k2 = b ? Object.keys(b) : undefined;
    if (!k1 || !k2 || k1.length != k2.length) {
        return false;
    }
    let key;
    for (let i = 0; i < k1.length; i++) {
        key = k1[i];
        if (!equalArraysOrString(a[key], b[key])) {
            return false;
        }
    }
    return true;
}
/**
 * Test equality for arrays of strings or a string.
 */
export function equalArraysOrString(a, b) {
    if (Array.isArray(a) && Array.isArray(b)) {
        if (a.length !== b.length)
            return false;
        const aSorted = [...a].sort();
        const bSorted = [...b].sort();
        return aSorted.every((val, index) => bSorted[index] === val);
    }
    else {
        return a === b;
    }
}
/**
 * Flattens single-level nested arrays.
 */
export function flatten(arr) {
    return Array.prototype.concat.apply([], arr);
}
/**
 * Return the last element of an array.
 */
export function last(a) {
    return a.length > 0 ? a[a.length - 1] : null;
}
/**
 * Verifys all booleans in an array are `true`.
 */
export function and(bools) {
    return !bools.some(v => !v);
}
export function forEach(map, callback) {
    for (const prop in map) {
        if (map.hasOwnProperty(prop)) {
            callback(map[prop], prop);
        }
    }
}
export function wrapIntoObservable(value) {
    if (isObservable(value)) {
        return value;
    }
    if (isPromise(value)) {
        // Use `Promise.resolve()` to wrap promise-like instances.
        // Required ie when a Resolver returns a AngularJS `$q` promise to correctly trigger the
        // change detection.
        return from(Promise.resolve(value));
    }
    return of(value);
}
//# sourceMappingURL=data:application/json;base64,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