feat(datacube): fetch is configurable at datacube instantiation

zazuko · Sep 10, 2019 · c93abff · c93abff
1 parent 00ab2a6
commit c93abff
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Showing 2 changed files with 8 additions and 3 deletions.
diff --git a/src/datacube.ts b/src/datacube.ts
@@ -3,11 +3,12 @@ import { NamedNode } from "rdf-js";
 import { Generator as SparqlGenerator } from "sparqljs";
 import DataSet, { IDataSetOptions, Label } from "./dataset";
 import { generateLangCoalesce, generateLangOptionals, prefixes } from "./query/utils";
-import SparqlFetcher from "./sparqlfetcher";
+import SparqlFetcher, { ISparqlFetcherOptions } from "./sparqlfetcher";
 import { SelectQuery } from "./sparqljs";
 
 export interface ICubeOptions {
   languages?: string[];
+  fetcher?: ISparqlFetcherOptions;
 }
 
 type SerializedDataCube = {
@@ -53,7 +54,7 @@ export class DataCube {
   constructor(endpoint: string, options: ICubeOptions = {}) {
     this.endpoint = endpoint;
     this.languages = options.languages || ["de", "it"];
-    this.fetcher = new SparqlFetcher(endpoint);
+    this.fetcher = new SparqlFetcher(endpoint, options.fetcher || {});
     this.cachedDatasets = new Map();
     this.cachedGraphs = [];
   }

diff --git a/src/sparqlfetcher.ts b/src/sparqlfetcher.ts
@@ -17,13 +17,17 @@ type RDFTerm =
   | { type: "bnode"; value: string };
 
 export type Result = Record<string, Term>;
+export interface ISparqlFetcherOptions {
+  fetch?: typeof fetch;
+  fetchOptions?: RequestInit;
+}
 
 export default class SparqlFetcher {
   private fetch: typeof fetch;
   private fetchOptions: RequestInit;
   private endpoint: string;
 
-  constructor(endpoint: string, options: { fetch?: typeof fetch, fetchOptions?: RequestInit } = {}) {
+  constructor(endpoint: string, options: ISparqlFetcherOptions = {}) {
     this.endpoint = endpoint;
     this.fetch = options.fetch || fetch;
     this.fetchOptions = options.fetchOptions || {