@feugene/mu/dist/esm/is/isObject.mjs

Helpful TS utilities without dependencies

const isO = Object.prototype.toString.call(null) === '[object Object]'
    ? function (value) {
        // check ownerDocument here as well to exclude DOM nodes
        return (value != null &&
            Object.prototype.toString.call(value) === '[object Object]' &&
            value.ownerDocument === undefined);
    }
    : function (value) {
        return Object.prototype.toString.call(value) === '[object Object]';
    };
/**
 * This function evaluates whether all parameters are objects
 */
export function isObjects(...parameters) {
    if (parameters.length === 0) {
        throw new Error('Please provide at least one number to evaluate isObject.');
    }
    const invalid = parameters.some(parameter => !isO(parameter));
    return !invalid;
}
export default function isObject(value) {
    return isO(value);
}
export function isEmptyObject(...parameters) {
    if (parameters.length === 0) {
        throw new Error('Please provide at least one number to evaluate isObject.');
    }
    const invalid = parameters.some(parameter => {
        if (!isObject(parameter))
            return true;
        for (const key in parameter)
            return true;
    });
    return !invalid;
}
/**
 * Checks if `value` is object-like. A value is object-like if it's not `null`
 * and has a `typeof` result of "object".
 *
 * @example
 *
 * isObjectLike({}); // => true
 *
 * isObjectLike([]); // => true
 *
 * isObjectLike([1, 2, 3]); // => true
 *
 * isObjectLike(new Function()); // => false
 *
 * isObjectLike(null); // => false
 */
export function isObjectLike(value) {
    return value !== null && typeof value === 'object';
}
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