| 1 | export const isObj = (obj) => {
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| 2 | return Object.prototype.toString.call(obj) === '[object Object]';
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| 3 | };
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| 4 |
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| 5 | export const isFun = (obj) => {
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| 6 | return Object.prototype.toString.call(obj) === '[object Function]';
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| 7 | };
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| 8 |
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| 9 | export const isArray = (obj) => {
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| 10 | return Object.prototype.toString.call(obj) === '[object Array]';
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| 11 | };
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| 12 |
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| 13 | export const isStr = (str) => {
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| 14 | return Object.prototype.toString.call(str) === '[object String]';
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| 15 | };
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| 16 |
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| 17 | export const isNum = (num) => {
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| 18 | return Object.prototype.toString.call(num) === '[object Number]';
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| 19 | };
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| 20 |
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| 21 | export const isEmptyObj = (obj) => {
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| 22 | return JSON.stringify(obj) === '{}';
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| 23 | };
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