/** | |
* @param {?string} str | |
* @return {boolean} Whether the given string is null or is the empty string. | |
* @public | |
*/ | |
Platform.stringIsNullOrEmpty = function(str) { | |
return !str; | |
}; | |
/** | |
* @param {?string} str | |
* @return {string} Original str, if it is non-null. Otherwise empty string. | |
*/ | |
Platform.nullToEmpty = function(str) { | |
return str || ""; | |
}; | |
/** | |
* @param {?string} str | |
* @return {string} Original str, if it is non-empty. Otherwise null; | |
*/ | |
Platform.emptyToNull = function(str) { | |
return str || null; | |
}; |