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Copy pathinteger.js
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97 lines (74 loc) · 1.98 KB
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/*
* This file is part of the QuidPHP package <https://quidphp.com>
* Author: Pierre-Philippe Emond <emondpph@gmail.com>
* License: https://github.com/quidphp/javascript/blob/master/LICENSE
*/
// integer
// methods related to integer numbers
// import
import { Arr, Num, Scalar } from '../index.js';
// export
export default {
// is
// retourne vrai si la valeur est un int
is: function(value)
{
return Num.is(value) && parseInt(value) === value;
},
// cast
// retourne le nombre sous forme de int
cast: function(value)
{
return (Scalar.isNotBool(value) && value !== '')? parseInt(value):null;
},
// toBool
// retourne un booléean à partir d'un int
toBool: function(value)
{
let r = null;
this.typecheck(value);
if(value === 1)
r = true;
else if(value === 0)
r = false;
return r;
},
// toggle
// toggle des valeurs primaires (1/0)
toggle: function(value)
{
let r = null;
this.typecheck(value);
if(value === 1)
r = 0;
else if(value === 0)
r = 1;
return r;
},
// range
// retourne un tableau range
range: function(min,max,inc)
{
let r = null;
min = (min == null)? 1:min;
inc = (inc == null)? 1:inc;
if(this.isPositive(min,true) && this.isPositive(max,true) && this.isPositive(inc))
{
const length = Math.floor((max - min) / inc) + 1;
const arr = Array(length).fill(min);
r = Arr.map(arr,function(x,y) {
return x + y * inc;
});
}
return r;
},
// unique
// retourne un int jamais utilisé, utile pour générer des ids unique
unique: (function(value)
{
let i = 0;
return function() {
return i++;
};
})()
}