custom-app
Version:
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21 lines (19 loc) • 655 B
JavaScript
/**
* Takes an argument and if it's an array, returns the first item in the array,
* otherwise returns the argument. Used for Preact compatibility.
*/
export var unwrapArray = function unwrapArray(arg) {
return Array.isArray(arg) ? arg[0] : arg;
};
/**
* Takes a maybe-undefined function and arbitrary args and invokes the function
* only if it is defined.
*/
export var safeInvoke = function safeInvoke(fn) {
if (typeof fn === "function") {
for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
args[_key - 1] = arguments[_key];
}
return fn.apply(void 0, args);
}
};