'use strict';
function isNothing(subject) {
return (typeof subject === 'undefined') || (subject === null);
}
function isObject(subject) {
return (typeof subject === 'object') && (subject !== null);
}
function toArray(sequence) {
if (Array.isArray(sequence)) return sequence; else if (isNothing(sequence)) return []; return [ sequence ];
}
function extend(target, source) {
var index, length, key, sourceKeys; if (source) { sourceKeys = Object.keys(source); for (index = 0, length = sourceKeys.length; index < length; index += 1) { key = sourceKeys[index]; target[key] = source[key]; } } return target;
}
function repeat(string, count) {
var result = '', cycle; for (cycle = 0; cycle < count; cycle += 1) { result += string; } return result;
}
function isNegativeZero(number) {
return (number === 0) && (Number.NEGATIVE_INFINITY === 1 / number);
}
module.exports.isNothing = isNothing; module.exports.isObject = isObject; module.exports.toArray = toArray; module.exports.repeat = repeat; module.exports.isNegativeZero = isNegativeZero; module.exports.extend = extend;