Nodejs Array Find findElements(config)

Method Source Code

Array.prototype.findElements = Array.prototype.findElements || function (config) {
    var i,//from www . j a v a2s  .c o m
      j,
        key,
        keys = [],
        isFound,
        el = null,
        results = [];

    for (key in config) {
        if (config.hasOwnProperty(key)) {
            keys.push(key);
        }
    }

    for (i = 0; i < this.length; i++) {
        isFound = true;
        for (j in keys) {
         key = keys[j];
            if (config && config.hasOwnProperty(key) && config[key] !== this[i][key]) {
                isFound = false;
                break;
            }
        }
        if (isFound) {
            results.push(this[i]);
        }
    }

    return results;
};

Related

1. findByProp(propName, propValue)

   Array.prototype.findByProp = function(propName, propValue) {
     for(var i = 0 ; i < this.length ; i++) {
       if(this[i][propName] === propValue) {
         return this[i];
   };
   

2. findByProperty(propName, value)

   Array.prototype.findByProperty = function (propName, value) {
       if (this.length > 0) {
           for (var i = this.length - 1; i > -1; i--) {
               var propObj = this[i];
               if (propObj[propName] === value) {
                   return propObj;
       return null;
   };
   

3. findBySku(sku)

   Array.prototype.findBySku = function(sku) {
     var result = null;
     this.forEach(function(elem, index) {
       if (elem.sku === sku) {
         result = elem;
     })
     return result;
   };
   ...
   

4. findElement(predicate)

   Array.prototype.findElement = function(predicate) {
     for (var i=0; i<this.length; ++i) {
       if (predicate(this[i])) {
         return this[i];
   Array.prototype.contains = function(element) {
     return this.indexOf(element) != -1;
   ...
   

5. findElement(search, func)

   Array.prototype.findElement = function(search, func) {
     for(var i = 0; i < this.length; i++) {
       if(func(search, this[i]))
          return this[i];
     return null;
   

6. findFirst(fnCheckCallback, parameter)

   Array.prototype.findFirst = function(fnCheckCallback, parameter) {
     for (var elementIndex in this) {
       if (this.hasOwnProperty(elementIndex) && fnCheckCallback.apply(this[elementIndex], [elementIndex, parameter])) {
         return this[elementIndex]; 
   };
   

7. findFirst(fun)

   Array.prototype.findFirst = function(fun) {
     for(var i = 0; i < this.length; i=i+1) {
       if(fun(this[i])) {
         return this[i];
   

8. findFirst(test)

   Array.prototype.findFirst = function (test) {
       var i, item;
       for (i = 0; i < this.length; i++) {
     item = this[i];
     if (test(item)) {
         return item;
   };
   ...
   

9. findHighestNumber(inField)

   Array.prototype.findHighestNumber = function(inField)
     var tmp = [];
     for (var i = 0; i < this.length; i++) {
       tmp[i] = Number(this[i][inField]);
     if(this.length < 1)
       return 0;
     return Math.max.apply(Math, tmp);
   ...