@tldraw/utils
Version:
tldraw infinite canvas SDK (private utilities).
22 lines (21 loc) • 643 B
JavaScript
class WeakCache {
/** The map of items to their cached values. */
items = /* @__PURE__ */ new WeakMap();
/**
* Get the cached value for a given record. If the record is not present in the map, the callback
* will be used to create the value (with the result being stored in the cache for next time).
*
* @param item - The item to get.
* @param cb - The callback to use to create the value when a cached value is not found.
*/
get(item, cb) {
if (!this.items.has(item)) {
this.items.set(item, cb(item));
}
return this.items.get(item);
}
}
export {
WeakCache
};
//# sourceMappingURL=cache.mjs.map