Created
November 9, 2013 20:06
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JS: Parse mixed type values into booleans. Like 'true' to true.
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/** | |
* Parses mixed type values into booleans. This is the same function as filter_var in PHP using boolean validation | |
* @param {Mixed} value | |
* @param {Boolean} nullOnFailure = false | |
* @return {Boolean|Null} | |
*/ | |
var parseBooleanStyle = function(value, nullOnFailure = false){ | |
switch(value){ | |
case true: | |
case 'true': | |
case 1: | |
case '1': | |
case 'on': | |
case 'yes': | |
value = true; | |
break; | |
case false: | |
case 'false': | |
case 0: | |
case '0': | |
case 'off': | |
case 'no': | |
value = false; | |
break; | |
default: | |
if(nullOnFailure){ | |
value = null; | |
}else{ | |
value = false; | |
} | |
break; | |
} | |
return value; | |
}; |
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