weaviate-client
Version:
JS/TS client for Weaviate
46 lines (45 loc) • 2 kB
JavaScript
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
import { WeaviateDeserializationError } from '../../errors.js';
const ITERATOR_CACHE_SIZE = 100;
export class Iterator {
constructor(query) {
this.query = query;
this.cache = [];
this.last = undefined;
this.query = query;
}
[Symbol.asyncIterator]() {
return {
next: () => __awaiter(this, void 0, void 0, function* () {
const objects = yield this.query(ITERATOR_CACHE_SIZE, this.last);
this.cache = objects;
if (this.cache.length == 0) {
return {
done: true,
value: undefined,
};
}
const obj = this.cache.shift();
if (obj === undefined) {
throw new WeaviateDeserializationError('Object iterator returned an object that is undefined');
}
this.last = obj === null || obj === void 0 ? void 0 : obj.uuid;
if (this.last === undefined) {
throw new WeaviateDeserializationError('Object iterator returned an object without a UUID');
}
return {
done: false,
value: obj,
};
}),
};
}
}