// Copyright (c) Microsoft Corporation.
// Licensed under the MIT license.
/**
 * Helper TypeGuard that checks if something is defined or not.
 * @param thing - Anything
 */
export function isDefined(thing) {
    return typeof thing !== "undefined" && thing !== null;
}
/**
 * Helper TypeGuard that checks if the input is an object with the specified properties.
 * @param thing - Anything.
 * @param properties - The name of the properties that should appear in the object.
 */
export function isObjectWithProperties(thing, properties) {
    if (!isDefined(thing) || typeof thing !== "object") {
        return false;
    }
    for (const property of properties) {
        if (!objectHasProperty(thing, property)) {
            return false;
        }
    }
    return true;
}
/**
 * Helper TypeGuard that checks if the input is an object with the specified property.
 * @param thing - Any object.
 * @param property - The name of the property that should appear in the object.
 */
export function objectHasProperty(thing, property) {
    return (isDefined(thing) && typeof thing === "object" && property in thing);
}
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