/**
* @preserve
* https://github.com/GregBee2/xassist-array#readme Version 1.0.2.
* Copyright 2018 Gregory Beirens.
* Created on Tue, 17 Apr 2018 10:36:22 GMT.
*/
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
typeof define === 'function' && define.amd ? define(['exports'], factory) :
(factory((global.xa = global.xa || {})));
}(this, (function (exports) { 'use strict';
function pushUnique(arr,val,unique){
unique=(typeof unique==="undefined"?true:!!unique);
if(!unique || arr.indexOf(val)===-1){
return arr.push(val);
}
else{
//unique set but it is not
return arr.length;
}
}
function groupSequence(arr,checkFn){
//this function groups elements based on previouselement and checkFn
//the function returns an array of arrays with the groupelements in each subArray
return arr.reduce(function(result,value,index,array){
if(index&&checkFn(array[index-1],value)){
//add to last element of result
result[result.length-1].push(value);
}
else{
//new subArray
result.push([value]);
}
return result;
},[]);
}
function replaceNull(arr,replacer){
//this function replaces all null or undefined values with a value described by replacer
//replacer may be static text or a function which will give correct textOutput
var replaceFn,result=[];
if (Array.isArray(replacer)){
replaceFn=function(v,i){return replacer[i]};
}
else if (typeof replacer==="function"){
replaceFn=replacer;
}
else {
replaceFn=function(){return replacer};
}
for (var i=0,len=arr.length,v;i<len;i++){
v=arr[i];
if (v===null||typeof v==="undefined"){
result.push(replaceFn(v,i));
}
else {
result.push(v);
}
}
return result;
}
function array(arr){
return {
pushUnique:pushUnique.bind(null,arr),
groupSequence:groupSequence.bind(null,arr),
replaceNull:replaceNull.bind(null,arr)
};
}
exports.array = array;
Object.defineProperty(exports, '__esModule', { value: true });
})));
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