34 lines
465 B
JavaScript
34 lines
465 B
JavaScript
'use strict';
|
|
|
|
function reusify(Constructor) {
|
|
var head = new Constructor();
|
|
var tail = head;
|
|
|
|
function get() {
|
|
var current = head;
|
|
|
|
if (current.next) {
|
|
head = current.next;
|
|
} else {
|
|
head = new Constructor();
|
|
tail = head;
|
|
}
|
|
|
|
current.next = null;
|
|
|
|
return current;
|
|
}
|
|
|
|
function release(obj) {
|
|
tail.next = obj;
|
|
tail = obj;
|
|
}
|
|
|
|
return {
|
|
get: get,
|
|
release: release,
|
|
};
|
|
}
|
|
|
|
module.exports = reusify;
|