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38 lines
780 B
JavaScript
38 lines
780 B
JavaScript
var toString = ({}).toString;
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var hasOwnProp = ({}).hasOwnProperty;
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var utils = {
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noop: function noop() {},
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isString: function isString(str) {
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return typeof str === 'string';
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},
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forEach: function forEach(obj, fn) {
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for (var key in obj) {
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if (hasOwnProp.call(obj, key)) {
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fn(key, obj[key]);
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}
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}
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},
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assign: function assign (dest, methods) {
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utils.forEach(methods, function (key, val) {
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dest[key] = val;
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});
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}
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};
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function checkType(type) {
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return function _checkType(val) {
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return toString.call(val) === '[object ' + type + ']';
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};
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}
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// add isRegExp, isArray, isFunction
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['RegExp', 'Array', 'Function'].forEach(function addIsChecks(type) {
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utils['is' + type] = checkType(type);
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});
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module.exports = utils;
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