46 lines
959 B
JavaScript
Executable File
46 lines
959 B
JavaScript
Executable File
var toString = Object.prototype.toString;
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/**
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* Get the native `typeof` a value.
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*
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* @param {*} `val`
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* @return {*} Native javascript type
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*/
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module.exports = function kindOf(val) {
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if (val === undefined) {
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return 'undefined';
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}
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if (val === null) {
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return 'null';
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}
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if (val === true || val === false || val instanceof Boolean) {
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return 'boolean';
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}
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if (typeof val !== 'object') {
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return typeof val;
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}
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if (Array.isArray(val)) {
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return 'array';
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}
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var type = toString.call(val);
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if (val instanceof RegExp || type === '[object RegExp]') {
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return 'regexp';
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}
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if (val instanceof Date || type === '[object Date]') {
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return 'date';
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}
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if (type === '[object Function]') {
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return 'function';
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}
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if (type === '[object Arguments]') {
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return 'arguments';
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}
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if (typeof Buffer !== 'undefined' && Buffer.isBuffer(val)) {
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return 'buffer';
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}
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return type.slice(8, -1).toLowerCase();
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};
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