@saberhq/sail
Version:
Account caching and batched loading for React-based Solana applications.
57 lines • 1.79 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.AccountsEmitter = exports.CacheClearEvent = exports.CacheBatchUpdateEvent = void 0;
const eventemitter3_1 = require("eventemitter3");
const react_1 = require("react");
const _1 = require(".");
/**
* Emitted when the cache is updated.
*/
class CacheBatchUpdateEvent {
constructor(ids) {
this.ids = ids;
}
/**
* Construct an event from keys.
* @param keys
* @returns
*/
static fromKeys(keys) {
return new CacheBatchUpdateEvent(new Set([...keys.map((k) => (0, _1.getCacheKeyOfPublicKey)(k))]));
}
/**
* Returns true if the key was present in the batch.
* @param key
* @returns
*/
hasKey(key) {
return this.ids.has(key.toString());
}
}
exports.CacheBatchUpdateEvent = CacheBatchUpdateEvent;
CacheBatchUpdateEvent.type = "CacheBatchUpdate";
class CacheClearEvent {
}
exports.CacheClearEvent = CacheClearEvent;
CacheClearEvent.type = "CacheDelete";
class AccountsEmitter {
constructor() {
this._emitter = new eventemitter3_1.EventEmitter();
this.onBatchCache = (callback) => {
this._emitter.on(CacheBatchUpdateEvent.type, callback);
return () => this._emitter.removeListener(CacheBatchUpdateEvent.type, callback);
};
}
raiseBatchCacheUpdated(ids) {
(0, react_1.startTransition)(() => {
this._emitter.emit(CacheBatchUpdateEvent.type, new CacheBatchUpdateEvent(ids));
});
}
raiseCacheCleared() {
(0, react_1.startTransition)(() => {
this._emitter.emit(CacheClearEvent.type, new CacheClearEvent());
});
}
}
exports.AccountsEmitter = AccountsEmitter;
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