mirror of
https://github.com/koalyptus/TableFilter.git
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72 lines
1.4 KiB
JavaScript
72 lines
1.4 KiB
JavaScript
/**
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* Types utilities
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*/
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const UNDEFINED = void 0;
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export default {
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/**
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* Check if argument is an object or a global object
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* @param {String or Object} v
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* @return {Boolean}
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*/
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isObj(v){
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let isO = false;
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if(typeof v === 'string'){
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if(window[v] && typeof window[v] === 'object'){
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isO = true;
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}
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} else {
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if(v && typeof v === 'object'){
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isO = true;
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}
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}
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return isO;
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},
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/**
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* Check if argument is a function
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* @param {Function} fn
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* @return {Boolean}
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*/
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isFn(fn){
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return (fn && fn.constructor == Function);
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},
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/**
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* Check if argument is an array
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* @param {Array} obj
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* @return {Boolean}
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*/
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isArray(obj){
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return (obj && obj.constructor == Array);
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},
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/**
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* Determine if argument is undefined
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* @param {Any} o
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* @return {Boolean}
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*/
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isUndef(o){
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return o === UNDEFINED;
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},
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/**
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* Determine if argument is null
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* @param {Any} o
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* @return {Boolean}
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*/
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isNull(o){
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return o === null;
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},
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/**
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* Determine if argument is empty (undefined, null or empty string)
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* @param {Any} o
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* @return {Boolean}
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*/
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isEmpty(o){
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return this.isUndef(o) || this.isNull(o) || o.length===0;
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}
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};
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