fix(widgets): remove answers widget (#6399)

The answers widget has long been deprecated, and is removed without replacement as no answers service exists anymore.

As a userland solution if you're using the answers widget, copy the removed answers files inside your own project and import it locally.

BREAKING CHANGE: the answers widget no longer exists
BREAKING CHANGE: the findAnswers in the helper no longer exists

packages/algoliasearch-helper/index.d.ts

@@ -2,7 +2,6 @@ import EventEmitter from '@algolia/events';
 
 // eslint-disable-next-line @typescript-eslint/consistent-type-imports
 import type {
-  FindAnswersResponse,
   FrequentlyBoughtTogetherQuery,
   HighlightResult,
   LookingSimilarQuery,
@@ -163,21 +162,6 @@ declare namespace algoliasearchHelper {
       ) => void
     ): void;
 
-    /**
-     * Start the search for answers with the parameters set in the state.
-     * This method returns a promise.
-     * @param {Object} options - the options for answers API call
-     * @param {string[]} options.attributesForPrediction - Attributes to use for predictions. If empty, `searchableAttributes` is used instead.
-     * @param {string[]} options.queryLanguages - The languages in the query. Currently only supports ['en'].
-     * @param {number} options.nbHits - Maximum number of answers to retrieve from the Answers Engine. Cannot be greater than 1000.
-     * @deprecated answers is deprecated and will be replaced with new initiatives
-     */
-    findAnswers<TObject>(options: {
-      attributesForPrediction: string[];
-      queryLanguages: string[];
-      nbHits: number;
-    }): Promise<FindAnswersResponse<TObject>>;
-
     /**
      * Search for facet values based on an query and the name of a faceted attribute. This
      * triggers a search and will return a promise. On top of using the query, it also sends

packages/algoliasearch-helper/src/algoliasearch.helper.js

@@ -5,9 +5,7 @@ var EventEmitter = require('@algolia/events');
 var DerivedHelper = require('./DerivedHelper');
 var escapeFacetValue = require('./functions/escapeFacetValue').escapeFacetValue;
 var inherits = require('./functions/inherits');
-var merge = require('./functions/merge');
 var objectHasKeys = require('./functions/objectHasKeys');
-var omit = require('./functions/omit');
 var RecommendParameters = require('./RecommendParameters');
 var RecommendResults = require('./RecommendResults');
 var requestBuilder = require('./requestBuilder');
@@ -288,53 +286,6 @@ AlgoliaSearchHelper.prototype.searchOnce = function (options, cb) {
   );
 };
 
-/**
- * Start the search for answers with the parameters set in the state.
- * This method returns a promise.
- * @param {Object} options - the options for answers API call
- * @param {string[]} options.attributesForPrediction - Attributes to use for predictions. If empty, `searchableAttributes` is used instead.
- * @param {string[]} options.queryLanguages - The languages in the query. Currently only supports ['en'].
- * @param {number} options.nbHits - Maximum number of answers to retrieve from the Answers Engine. Cannot be greater than 1000.
- *
- * @return {promise} the answer results
- * @deprecated answers is deprecated and will be replaced with new initiatives
- */
-AlgoliaSearchHelper.prototype.findAnswers = function (options) {
-  // eslint-disable-next-line no-console
-  console.warn('[algoliasearch-helper] answers is no longer supported');
-  var state = this.state;
-  var derivedHelper = this.derivedHelpers[0];
-  if (!derivedHelper) {
-    return Promise.resolve([]);
-  }
-  var derivedState = derivedHelper.getModifiedState(state);
-  var data = merge(
-    {
-      attributesForPrediction: options.attributesForPrediction,
-      nbHits: options.nbHits,
-    },
-    {
-      params: omit(requestBuilder._getHitsSearchParams(derivedState), [
-        'attributesToSnippet',
-        'hitsPerPage',
-        'restrictSearchableAttributes',
-        'snippetEllipsisText',
-      ]),
-    }
-  );
-
-  var errorMessage =
-    'search for answers was called, but this client does not have a function client.initIndex(index).findAnswers';
-  if (typeof this.client.initIndex !== 'function') {
-    throw new Error(errorMessage);
-  }
-  var index = this.client.initIndex(derivedState.index);
-  if (typeof index.findAnswers !== 'function') {
-    throw new Error(errorMessage);
-  }
-  return index.findAnswers(derivedState.query, options.queryLanguages, data);
-};
-
 /**
  * Structure of each result when using
  * [`searchForFacetValues()`](reference.html#AlgoliaSearchHelper#searchForFacetValues)

packages/algoliasearch-helper/types/algoliasearch.d.ts

@@ -280,25 +280,6 @@ export type SearchForFacetValuesResponse = PickForClient<{
   v5: AlgoliaSearch.SearchForFacetValuesResponse;
 }>;
 
-export type FindAnswersOptions = PickForClient<{
-  v3: any; // answers only exists in v4
-  // @ts-ignore
-  v4: ClientSearch.FindAnswersOptions;
-  v5: any; // answers only exists in v4
-}>;
-export type FindAnswersResponse<T> = PickForClient<{
-  v3: any; // answers only exists in v4
-  // @ts-ignore
-  v4: ClientSearch.FindAnswersResponse<T>;
-  v5: any; // answers only exists in v4
-}>;
-export type FindAnswers = PickForClient<{
-  v3: any; // answers only exists in v4
-  // @ts-ignore
-  v4: ReturnType<DefaultSearchClient['initIndex']>['findAnswers'];
-  v5: any; // answers only exists in v4
-}>;
-
 export type SupportedLanguage = PickForClient<{
   v3: string;
   v4: string;