782 lines
34 KiB
JavaScript
782 lines
34 KiB
JavaScript
"use strict";
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/*
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* Licensed to Elasticsearch B.V. under one or more contributor
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* license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright
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* ownership. Elasticsearch B.V. licenses this file to you under
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* the Apache License, Version 2.0 (the "License") you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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var _a, _b, _c;
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Object.defineProperty(exports, "__esModule", { value: true });
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const tslib_1 = require("tslib");
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/* eslint-disable @typescript-eslint/naming-convention */
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/* eslint-disable @typescript-eslint/promise-function-async */
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/* eslint-disable @typescript-eslint/no-unnecessary-type-assertion */
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const assert_1 = tslib_1.__importDefault(require("assert"));
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const util_1 = require("util");
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const stream_1 = require("stream");
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const transport_1 = require("@elastic/transport");
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const { ResponseError, ConfigurationError } = transport_1.errors;
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const sleep = (0, util_1.promisify)(setTimeout);
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const pImmediate = (0, util_1.promisify)(setImmediate);
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/* istanbul ignore next */
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const noop = () => { };
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const kClient = Symbol('elasticsearch-client');
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const kMetaHeader = Symbol('meta header');
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const kMaxRetries = Symbol('max retries');
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class Helpers {
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constructor(opts) {
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Object.defineProperty(this, _a, {
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enumerable: true,
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configurable: true,
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writable: true,
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value: void 0
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});
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Object.defineProperty(this, _b, {
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enumerable: true,
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configurable: true,
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writable: true,
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value: void 0
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});
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Object.defineProperty(this, _c, {
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enumerable: true,
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configurable: true,
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writable: true,
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value: void 0
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});
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this[kClient] = opts.client;
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this[kMetaHeader] = opts.metaHeader;
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this[kMaxRetries] = opts.maxRetries;
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}
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/**
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* Runs a search operation. The only difference between client.search and this utility,
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* is that we are only returning the hits to the user and not the full ES response.
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* This helper automatically adds `filter_path=hits.hits._source` to the querystring,
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* as it will only need the documents source.
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* @param {object} params - The Elasticsearch's search parameters.
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* @param {object} options - The client optional configuration for this request.
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* @return {array} The documents that matched the request.
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*/
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async search(params, options = {}) {
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var _d;
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appendFilterPath('hits.hits._source', params, true);
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options.meta = true;
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const { body: result } = await this[kClient].search(params, options);
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if (((_d = result.hits) === null || _d === void 0 ? void 0 : _d.hits) != null) {
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return result.hits.hits.map(d => d._source);
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}
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return [];
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}
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/**
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* Runs a scroll search operation. This function returns an async iterator, allowing
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* the user to use a for await loop to get all the results of a given search.
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* ```js
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* for await (const result of client.helpers.scrollSearch({ params })) {
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* console.log(result)
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* }
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* ```
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* Each result represents the entire body of a single scroll search request,
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* if you just need to scroll the results, use scrollDocuments.
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* This function handles automatically retries on 429 status code.
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* @param {object} params - The Elasticsearch's search parameters.
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* @param {object} options - The client optional configuration for this request.
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* @return {iterator} the async iterator
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*/
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async *scrollSearch(params, options = {}) {
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var _d, _e, _f, _g;
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options.meta = true;
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if (this[kMetaHeader] !== null) {
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options.headers = (_d = options.headers) !== null && _d !== void 0 ? _d : {};
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options.headers['x-elastic-client-meta'] = `${this[kMetaHeader]},h=s`;
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}
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const wait = (_e = options.wait) !== null && _e !== void 0 ? _e : 5000;
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const maxRetries = (_f = options.maxRetries) !== null && _f !== void 0 ? _f : this[kMaxRetries];
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if (Array.isArray(options.ignore)) {
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options.ignore.push(429);
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}
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else {
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options.ignore = [429];
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}
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params.scroll = (_g = params.scroll) !== null && _g !== void 0 ? _g : '1m';
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appendFilterPath('_scroll_id', params, false);
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let response;
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for (let i = 0; i <= maxRetries; i++) {
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response = await this[kClient].search(params, options);
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if (response.statusCode !== 429)
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break;
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await sleep(wait);
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}
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(0, assert_1.default)(response !== undefined, 'The response is undefined, please file a bug report');
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const { redaction = { type: 'replace' } } = options;
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const errorOptions = { redaction };
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if (response.statusCode === 429) {
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throw new ResponseError(response, errorOptions);
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}
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let scroll_id = response.body._scroll_id;
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let stop = false;
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const clear = async () => {
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stop = true;
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await this[kClient].clearScroll({ scroll_id }, { ignore: [400], ...options });
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};
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while (response.body.hits != null && response.body.hits.hits.length > 0) {
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// scroll id is always present in the response, but it might
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// change over time based on the number of shards
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scroll_id = response.body._scroll_id;
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// @ts-expect-error
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response.clear = clear;
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addDocumentsGetter(response);
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// @ts-expect-error
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yield response;
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if (stop) {
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break;
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}
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for (let i = 0; i <= maxRetries; i++) {
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const r = await this[kClient].scroll({
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scroll: params.scroll,
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rest_total_hits_as_int: params.rest_total_hits_as_int,
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scroll_id
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}, options);
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response = r;
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(0, assert_1.default)(response !== undefined, 'The response is undefined, please file a bug report');
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if (response.statusCode !== 429)
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break;
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await sleep(wait);
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}
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if (response.statusCode === 429) {
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throw new ResponseError(response, errorOptions);
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}
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}
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if (!stop) {
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await clear();
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}
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}
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/**
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* Runs a scroll search operation. This function returns an async iterator, allowing
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* the user to use a for await loop to get all the documents of a given search.
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* ```js
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* for await (const document of client.helpers.scrollSearch({ params })) {
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* console.log(document)
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* }
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* ```
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* Each document is what you will find by running a scrollSearch and iterating on the hits array.
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* This helper automatically adds `filter_path=hits.hits._source` to the querystring,
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* as it will only need the documents source.
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* @param {object} params - The Elasticsearch's search parameters.
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* @param {object} options - The client optional configuration for this request.
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* @return {iterator} the async iterator
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*/
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async *scrollDocuments(params, options = {}) {
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appendFilterPath('hits.hits._source', params, true);
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for await (const { documents } of this.scrollSearch(params, options)) {
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for (const document of documents) {
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yield document;
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}
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}
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}
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/**
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* Creates a msearch helper instance. Once you configure it, you can use the provided
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* `search` method to add new searches in the queue.
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* @param {object} options - The configuration of the msearch operations.
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* @param {object} reqOptions - The client optional configuration for this request.
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* @return {object} The possible operations to run.
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*/
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msearch(options = {}, reqOptions = {}) {
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const client = this[kClient];
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const { operations = 5, concurrency = 5, flushInterval = 500, retries = this[kMaxRetries], wait = 5000, ...msearchOptions } = options;
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reqOptions.meta = true;
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const { redaction = { type: 'replace' } } = reqOptions;
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const errorOptions = { redaction };
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let stopReading = false;
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let stopError = null;
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let timeoutRef = null;
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const operationsStream = new stream_1.Readable({
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objectMode: true,
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read(size) { }
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});
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const p = iterate();
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const helper = {
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[Symbol.toStringTag]: 'Promise',
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then(onFulfilled, onRejected) {
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return p.then(onFulfilled, onRejected);
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},
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catch(onRejected) {
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return p.catch(onRejected);
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},
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finally(onFinally) {
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return p.finally(onFinally);
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},
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stop(error = null) {
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if (stopReading)
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return;
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stopReading = true;
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stopError = error;
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operationsStream.push(null);
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},
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// TODO: support abort a single search?
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// NOTE: the validation checks are synchronous and the callback/promise will
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// be resolved in the same tick. We might want to fix this in the future.
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search(header, body) {
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if (stopReading) {
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const error = stopError === null
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? new ConfigurationError('The msearch processor has been stopped')
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: stopError;
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return Promise.reject(error);
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}
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if (!(typeof header === 'object' && header !== null && !Array.isArray(header))) {
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return Promise.reject(new ConfigurationError('The header should be an object'));
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}
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if (!(typeof body === 'object' && body !== null && !Array.isArray(body))) {
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return Promise.reject(new ConfigurationError('The body should be an object'));
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}
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let onFulfilled = null;
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let onRejected = null;
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const promise = new Promise((resolve, reject) => {
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onFulfilled = resolve;
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onRejected = reject;
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});
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const callback = function callback(err, result) {
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err !== null ? onRejected(err) : onFulfilled(result);
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};
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operationsStream.push([header, body, callback]);
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return promise;
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}
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};
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return helper;
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async function iterate() {
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const { semaphore, finish } = buildSemaphore();
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const msearchBody = [];
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const callbacks = [];
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let loadedOperations = 0;
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timeoutRef = setTimeout(onFlushTimeout, flushInterval); // eslint-disable-line
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try {
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for await (const operation of operationsStream) {
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timeoutRef.refresh();
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loadedOperations += 1;
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msearchBody.push(operation[0], operation[1]);
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callbacks.push(operation[2]);
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if (loadedOperations >= operations) {
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const send = await semaphore();
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send(msearchBody.slice(), callbacks.slice());
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msearchBody.length = 0;
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callbacks.length = 0;
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loadedOperations = 0;
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}
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}
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}
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finally {
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clearTimeout(timeoutRef);
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}
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// In some cases the previos http call does not have finished,
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// or we didn't reach the flush bytes threshold, so we force one last operation.
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if (loadedOperations > 0) {
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const send = await semaphore();
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send(msearchBody, callbacks);
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}
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await finish();
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if (stopError !== null) {
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throw stopError;
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}
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async function onFlushTimeout() {
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if (loadedOperations === 0)
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return;
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const msearchBodyCopy = msearchBody.slice();
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const callbacksCopy = callbacks.slice();
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msearchBody.length = 0;
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callbacks.length = 0;
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loadedOperations = 0;
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try {
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const send = await semaphore();
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send(msearchBodyCopy, callbacksCopy);
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}
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catch (err) {
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/* istanbul ignore next */
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// @ts-expect-error
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helper.stop(err);
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}
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}
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}
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// This function builds a semaphore using the concurrency
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// options of the msearch helper. It is used inside the iterator
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// to guarantee that no more than the number of operations
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// allowed to run at the same time are executed.
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// It returns a semaphore function which resolves in the next tick
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// if we didn't reach the maximim concurrency yet, otherwise it returns
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// a promise that resolves as soon as one of the running request has finshed.
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// The semaphore function resolves a send function, which will be used
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// to send the actual msearch request.
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// It also returns a finish function, which returns a promise that is resolved
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// when there are no longer request running.
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function buildSemaphore() {
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let resolveSemaphore = null;
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let resolveFinish = null;
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let running = 0;
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return { semaphore, finish };
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function finish() {
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return new Promise((resolve, reject) => {
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if (running === 0) {
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resolve();
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}
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else {
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resolveFinish = resolve;
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}
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});
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}
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function semaphore() {
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if (running < concurrency) {
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running += 1;
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return pImmediate(send);
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}
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else {
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return new Promise((resolve, reject) => {
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resolveSemaphore = resolve;
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});
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}
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}
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function send(msearchBody, callbacks) {
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/* istanbul ignore if */
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if (running > concurrency) {
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throw new Error('Max concurrency reached');
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}
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msearchOperation(msearchBody, callbacks, () => {
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running -= 1;
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if (resolveSemaphore !== null) {
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running += 1;
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resolveSemaphore(send);
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resolveSemaphore = null;
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}
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else if (resolveFinish != null && running === 0) {
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resolveFinish();
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}
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});
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}
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}
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function msearchOperation(msearchBody, callbacks, done) {
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let retryCount = retries;
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// Instead of going full on async-await, which would make the code easier to read,
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// we have decided to use callback style instead.
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// This because every time we use async await, V8 will create multiple promises
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// behind the scenes, making the code slightly slower.
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tryMsearch(msearchBody, callbacks, retrySearch);
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function retrySearch(msearchBody, callbacks) {
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if (msearchBody.length > 0 && retryCount > 0) {
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retryCount -= 1;
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setTimeout(tryMsearch, wait, msearchBody, callbacks, retrySearch);
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return;
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}
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done();
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}
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// This function never returns an error, if the msearch operation fails,
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// the error is dispatched to all search executors.
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function tryMsearch(msearchBody, callbacks, done) {
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client.msearch(Object.assign({}, msearchOptions, { body: msearchBody }), reqOptions)
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.then(results => {
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const retryBody = [];
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const retryCallbacks = [];
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const { responses } = results.body;
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for (let i = 0, len = responses.length; i < len; i++) {
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const response = responses[i];
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if (response.status === 429 && retryCount > 0) {
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retryBody.push(msearchBody[i * 2]);
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retryBody.push(msearchBody[(i * 2) + 1]);
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retryCallbacks.push(callbacks[i]);
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continue;
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}
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const result = { ...results, body: response };
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// @ts-expect-error
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addDocumentsGetter(result);
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if (response.status != null && response.status >= 400) {
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callbacks[i](new ResponseError(result, errorOptions), result);
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}
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else {
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callbacks[i](null, result);
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}
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}
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done(retryBody, retryCallbacks);
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})
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.catch(err => {
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for (const callback of callbacks) {
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callback(err, null);
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}
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return done([], []);
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});
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}
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}
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}
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/**
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* Creates a bulk helper instance. Once you configure it, you can pick which operation
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* to execute with the given dataset, index, create, update, and delete.
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* @param {object} options - The configuration of the bulk operation.
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* @param {object} reqOptions - The client optional configuration for this request.
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* @return {object} The possible operations to run with the datasource.
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*/
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bulk(options, reqOptions = {}) {
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var _d, _e;
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(0, assert_1.default)(!((_d = reqOptions.asStream) !== null && _d !== void 0 ? _d : false), 'bulk helper: the asStream request option is not supported');
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const client = this[kClient];
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const { serializer } = client;
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if (this[kMetaHeader] !== null) {
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reqOptions.headers = (_e = reqOptions.headers) !== null && _e !== void 0 ? _e : {};
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reqOptions.headers['x-elastic-client-meta'] = `${this[kMetaHeader]},h=bp`;
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}
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reqOptions.meta = true;
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const { datasource, onDocument, flushBytes = 5000000, flushInterval = 30000, concurrency = 5, retries = this[kMaxRetries], wait = 5000, onDrop = noop, refreshOnCompletion = false, ...bulkOptions } = options;
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if (datasource === undefined) {
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// @ts-expect-error
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return Promise.reject(new ConfigurationError('bulk helper: the datasource is required'));
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}
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if (!(Array.isArray(datasource) || Buffer.isBuffer(datasource) || isReadableStream(datasource) || isAsyncIterator(datasource))) {
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// @ts-expect-error
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return Promise.reject(new ConfigurationError('bulk helper: the datasource must be an array or a buffer or a readable stream or an async generator'));
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}
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if (onDocument === undefined) {
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// @ts-expect-error
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return Promise.reject(new ConfigurationError('bulk helper: the onDocument callback is required'));
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}
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let shouldAbort = false;
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let timeoutRef = null;
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const stats = {
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total: 0,
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failed: 0,
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retry: 0,
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successful: 0,
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noop: 0,
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time: 0,
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bytes: 0,
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aborted: false
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};
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const p = iterate();
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const helper = {
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[Symbol.toStringTag]: 'Promise',
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then(onFulfilled, onRejected) {
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return p.then(onFulfilled, onRejected);
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},
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catch(onRejected) {
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return p.catch(onRejected);
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},
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finally(onFinally) {
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return p.finally(onFinally);
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},
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get stats() {
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return stats;
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},
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abort() {
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clearTimeout(timeoutRef);
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shouldAbort = true;
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stats.aborted = true;
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return this;
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}
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};
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return helper;
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/**
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* Function that iterates over the given datasource and start a bulk operation as soon
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* as it reaches the configured bulk size. It's designed to use the Node.js asynchronous
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* model at this maximum capacity, as it will collect the next body to send while there is
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* a running http call. In this way, the CPU time will be used carefully.
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* The objects will be serialized right away, to approximate the byte length of the body.
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* It creates an array of strings instead of a ndjson string because the bulkOperation
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|
* will navigate the body for matching failed operations with the original document.
|
|
*/
|
|
async function iterate() {
|
|
const { semaphore, finish } = buildSemaphore();
|
|
const startTime = Date.now();
|
|
const bulkBody = [];
|
|
let actionBody = '';
|
|
let payloadBody = '';
|
|
let chunkBytes = 0;
|
|
timeoutRef = setTimeout(onFlushTimeout, flushInterval); // eslint-disable-line
|
|
// @ts-expect-error datasource is an iterable
|
|
for await (const chunk of datasource) {
|
|
if (shouldAbort)
|
|
break;
|
|
timeoutRef.refresh();
|
|
const result = onDocument(chunk);
|
|
const [action, payload] = Array.isArray(result) ? result : [result, chunk];
|
|
const operation = Object.keys(action)[0];
|
|
if (operation === 'index' || operation === 'create') {
|
|
actionBody = serializer.serialize(action);
|
|
payloadBody = typeof payload === 'string'
|
|
? payload
|
|
: serializer.serialize(payload);
|
|
chunkBytes += Buffer.byteLength(actionBody) + Buffer.byteLength(payloadBody);
|
|
bulkBody.push(actionBody, payloadBody);
|
|
}
|
|
else if (operation === 'update') {
|
|
actionBody = serializer.serialize(action);
|
|
payloadBody = typeof chunk === 'string'
|
|
? `{"doc":${chunk}}`
|
|
: serializer.serialize({ doc: chunk, ...payload });
|
|
chunkBytes += Buffer.byteLength(actionBody) + Buffer.byteLength(payloadBody);
|
|
bulkBody.push(actionBody, payloadBody);
|
|
}
|
|
else if (operation === 'delete') {
|
|
actionBody = serializer.serialize(action);
|
|
chunkBytes += Buffer.byteLength(actionBody);
|
|
bulkBody.push(actionBody);
|
|
}
|
|
else {
|
|
clearTimeout(timeoutRef);
|
|
throw new ConfigurationError(`Bulk helper invalid action: '${operation}'`);
|
|
}
|
|
if (chunkBytes >= flushBytes) {
|
|
stats.bytes += chunkBytes;
|
|
const bulkBodyCopy = bulkBody.slice();
|
|
bulkBody.length = 0;
|
|
chunkBytes = 0;
|
|
const send = await semaphore();
|
|
send(bulkBodyCopy);
|
|
}
|
|
}
|
|
clearTimeout(timeoutRef);
|
|
// In some cases the previous http call has not finished,
|
|
// or we didn't reach the flush bytes threshold, so we force one last operation.
|
|
if (!shouldAbort && chunkBytes > 0) {
|
|
const send = await semaphore();
|
|
stats.bytes += chunkBytes;
|
|
send(bulkBody);
|
|
}
|
|
await finish();
|
|
if (refreshOnCompletion !== false) {
|
|
await client.indices.refresh({
|
|
index: typeof refreshOnCompletion === 'string'
|
|
? refreshOnCompletion
|
|
: '_all'
|
|
}, reqOptions);
|
|
}
|
|
stats.time = Date.now() - startTime;
|
|
stats.total = stats.successful + stats.failed;
|
|
return stats;
|
|
async function onFlushTimeout() {
|
|
if (chunkBytes === 0)
|
|
return;
|
|
stats.bytes += chunkBytes;
|
|
const bulkBodyCopy = bulkBody.slice();
|
|
bulkBody.length = 0;
|
|
chunkBytes = 0;
|
|
try {
|
|
const send = await semaphore();
|
|
send(bulkBodyCopy);
|
|
}
|
|
catch (err) {
|
|
/* istanbul ignore next */
|
|
helper.abort(); // eslint-disable-line
|
|
}
|
|
}
|
|
}
|
|
// This function builds a semaphore using the concurrency
|
|
// options of the bulk helper. It is used inside the iterator
|
|
// to guarantee that no more than the number of operations
|
|
// allowed to run at the same time are executed.
|
|
// It returns a semaphore function which resolves in the next tick
|
|
// if we didn't reach the maximum concurrency yet, otherwise it returns
|
|
// a promise that resolves as soon as one of the running requests has finished.
|
|
// The semaphore function resolves a send function, which will be used
|
|
// to send the actual bulk request.
|
|
// It also returns a finish function, which returns a promise that is resolved
|
|
// when there are no longer request running. It rejects an error if one
|
|
// of the request has failed for some reason.
|
|
function buildSemaphore() {
|
|
let resolveSemaphore = null;
|
|
let resolveFinish = null;
|
|
let rejectFinish = null;
|
|
let error = null;
|
|
let running = 0;
|
|
return { semaphore, finish };
|
|
function finish() {
|
|
return new Promise((resolve, reject) => {
|
|
if (running === 0) {
|
|
if (error !== null) {
|
|
reject(error);
|
|
}
|
|
else {
|
|
resolve();
|
|
}
|
|
}
|
|
else {
|
|
resolveFinish = resolve;
|
|
rejectFinish = reject;
|
|
}
|
|
});
|
|
}
|
|
function semaphore() {
|
|
if (running < concurrency) {
|
|
running += 1;
|
|
return pImmediate(send);
|
|
}
|
|
else {
|
|
return new Promise((resolve, reject) => {
|
|
resolveSemaphore = resolve;
|
|
});
|
|
}
|
|
}
|
|
function send(bulkBody) {
|
|
/* istanbul ignore if */
|
|
if (running > concurrency) {
|
|
throw new Error('Max concurrency reached');
|
|
}
|
|
bulkOperation(bulkBody, err => {
|
|
running -= 1;
|
|
if (err != null) {
|
|
shouldAbort = true;
|
|
error = err;
|
|
}
|
|
if (resolveSemaphore !== null) {
|
|
running += 1;
|
|
resolveSemaphore(send);
|
|
resolveSemaphore = null;
|
|
}
|
|
else if (resolveFinish != null && rejectFinish != null && running === 0) {
|
|
if (error != null) {
|
|
rejectFinish(error);
|
|
}
|
|
else {
|
|
resolveFinish();
|
|
}
|
|
}
|
|
});
|
|
}
|
|
}
|
|
function bulkOperation(bulkBody, callback) {
|
|
let retryCount = retries;
|
|
let isRetrying = false;
|
|
// Instead of going full on async-await, which would make the code easier to read,
|
|
// we have decided to use callback style instead.
|
|
// This because every time we use async await, V8 will create multiple promises
|
|
// behind the scenes, making the code slightly slower.
|
|
tryBulk(bulkBody, retryDocuments);
|
|
function retryDocuments(err, bulkBody) {
|
|
if (err != null)
|
|
return callback(err);
|
|
if (shouldAbort)
|
|
return callback();
|
|
if (bulkBody.length > 0) {
|
|
if (retryCount > 0) {
|
|
isRetrying = true;
|
|
retryCount -= 1;
|
|
stats.retry += bulkBody.length;
|
|
setTimeout(tryBulk, wait, bulkBody, retryDocuments);
|
|
return;
|
|
}
|
|
for (let i = 0, len = bulkBody.length; i < len; i = i + 2) {
|
|
const operation = Object.keys(serializer.deserialize(bulkBody[i]))[0];
|
|
onDrop({
|
|
status: 429,
|
|
error: null,
|
|
operation: serializer.deserialize(bulkBody[i]),
|
|
// @ts-expect-error
|
|
document: operation !== 'delete'
|
|
? serializer.deserialize(bulkBody[i + 1])
|
|
/* istanbul ignore next */
|
|
: null,
|
|
retried: isRetrying
|
|
});
|
|
stats.failed += 1;
|
|
}
|
|
}
|
|
callback();
|
|
}
|
|
function tryBulk(bulkBody, callback) {
|
|
if (shouldAbort)
|
|
return callback(null, []);
|
|
client.bulk(Object.assign({}, bulkOptions, { body: bulkBody }), reqOptions)
|
|
.then(response => {
|
|
var _d, _e;
|
|
const result = response.body;
|
|
if (!result.errors) {
|
|
stats.successful += result.items.length;
|
|
for (const item of result.items) {
|
|
if (((_d = item.update) === null || _d === void 0 ? void 0 : _d.result) === 'noop') {
|
|
stats.noop++;
|
|
}
|
|
}
|
|
return callback(null, []);
|
|
}
|
|
const retry = [];
|
|
const { items } = result;
|
|
let indexSlice = 0;
|
|
for (let i = 0, len = items.length; i < len; i++) {
|
|
const action = items[i];
|
|
const operation = Object.keys(action)[0];
|
|
// @ts-expect-error
|
|
const responseItem = action[operation];
|
|
(0, assert_1.default)(responseItem !== undefined, 'The responseItem is undefined, please file a bug report');
|
|
if (responseItem.status >= 400) {
|
|
// 429 is the only staus code where we might want to retry
|
|
// a document, because it was not an error in the document itself,
|
|
// but the ES node were handling too many operations.
|
|
if (responseItem.status === 429) {
|
|
retry.push(bulkBody[indexSlice]);
|
|
/* istanbul ignore next */
|
|
if (operation !== 'delete') {
|
|
retry.push(bulkBody[indexSlice + 1]);
|
|
}
|
|
}
|
|
else {
|
|
onDrop({
|
|
status: responseItem.status,
|
|
error: (_e = responseItem.error) !== null && _e !== void 0 ? _e : null,
|
|
operation: serializer.deserialize(bulkBody[indexSlice]),
|
|
// @ts-expect-error
|
|
document: operation !== 'delete'
|
|
? serializer.deserialize(bulkBody[indexSlice + 1])
|
|
: null,
|
|
retried: isRetrying
|
|
});
|
|
stats.failed += 1;
|
|
}
|
|
}
|
|
else {
|
|
stats.successful += 1;
|
|
}
|
|
operation === 'delete' ? indexSlice += 1 : indexSlice += 2;
|
|
}
|
|
callback(null, retry);
|
|
})
|
|
.catch(err => {
|
|
callback(err, []);
|
|
});
|
|
}
|
|
}
|
|
}
|
|
}
|
|
exports.default = Helpers;
|
|
_a = kClient, _b = kMetaHeader, _c = kMaxRetries;
|
|
// Using a getter will improve the overall performances of the code,
|
|
// as we will reed the documents only if needed.
|
|
function addDocumentsGetter(result) {
|
|
Object.defineProperty(result, 'documents', {
|
|
get() {
|
|
var _d;
|
|
if (((_d = this.body.hits) === null || _d === void 0 ? void 0 : _d.hits) != null) {
|
|
// @ts-expect-error
|
|
return this.body.hits.hits.map(d => d._source);
|
|
}
|
|
return [];
|
|
}
|
|
});
|
|
}
|
|
function appendFilterPath(filter, params, force) {
|
|
if (params.filter_path !== undefined) {
|
|
params.filter_path += ',' + filter; // eslint-disable-line
|
|
}
|
|
else if (force) {
|
|
params.filter_path = filter;
|
|
}
|
|
}
|
|
function isReadableStream(obj) {
|
|
return obj != null && typeof obj.pipe === 'function';
|
|
}
|
|
function isAsyncIterator(obj) {
|
|
return (obj === null || obj === void 0 ? void 0 : obj[Symbol.asyncIterator]) != null;
|
|
}
|
|
//# sourceMappingURL=helpers.js.map
|