Drop support for Node 16 (#77)

Co-authored-by: surilindur <surilindur@users.noreply.github.com>

Author: surilindur

.github/workflows/ci.yml

@@ -36,7 +36,6 @@ jobs:
         os:
           - ubuntu-latest
         node-version:
-          - 16.x
           - 18.x
           - 20.x
     steps:

lib/SparqlEndpointFetcher.ts

@@ -1,4 +1,3 @@
-import 'cross-fetch/polyfill';
 import type { Readable } from 'node:stream';
 import type * as RDF from '@rdfjs/types';
 import { ReadableWebToNodeStream } from '@smessie/readable-web-to-node-stream';

package.json

@@ -49,7 +49,6 @@
     "@types/n3": "^1.0.0",
     "@types/readable-stream": "^4.0.0",
     "@types/sparqljs": "^3.0.0",
-    "cross-fetch": "^4.0.0",
     "is-stream": "^2.0.0",
     "n3": "^1.0.0",
     "rdf-string": "^1.0.0",
@@ -75,7 +74,6 @@
     "ts-jest": "^29.0.0",
     "ts-loader": "^9.0.0",
     "typescript": "^5.0.0",
-    "web-streams-ponyfill": "^1.0.0",
     "webpack": "^5.0.0",
     "webpack-cli": "^5.0.0"
   },

test/SparqlEndpointFetcher-test.ts

@@ -4,17 +4,12 @@ import arrayifyStream from 'arrayify-stream';
 import { DataFactory } from 'rdf-data-factory';
 import { SparqlEndpointFetcher } from '../lib/SparqlEndpointFetcher';
 
-const DF = new DataFactory();
-
-if (!globalThis.ReadableStream) {
-  // TODO: Remove this workaround and ponyfill when Node 16 support is dropped
-  globalThis.ReadableStream = require('web-streams-ponyfill').ReadableStream;
-}
-
 // The import of 'readable-stream-node-to-web' is down here because of the above workaround
 const readableStreamNodeToWeb = require('readable-stream-node-to-web');
 const streamifyString = require('streamify-string');
 
+const DF = new DataFactory();
+
 describe('SparqlEndpointFetcher', () => {
   describe('constructed without fetch callback', () => {
     it('should have an undefined fetch function', async() => {

yarn.lock

@@ -1979,13 +1979,6 @@ create-jest@^29.7.0:
     jest-util "^29.7.0"
     prompts "^2.0.1"
 
-cross-fetch@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/cross-fetch/-/cross-fetch-4.0.0.tgz#f037aef1580bb3a1a35164ea2a848ba81b445983"
-  integrity sha512-e4a5N8lVvuLgAWgnCrLr2PP0YyDOTHa9H/Rj54dirp61qXnNq46m82bRhNqIA5VccJtWBvPTFRV3TtvHUKPB1g==
-  dependencies:
-    node-fetch "^2.6.12"
-
 cross-spawn@^7.0.2, cross-spawn@^7.0.3:
   version "7.0.3"
   resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-7.0.3.tgz#f73a85b9d5d41d045551c177e2882d4ac85728a6"
@@ -4516,13 +4509,6 @@ neo-async@^2.6.2:
   resolved "https://registry.yarnpkg.com/neo-async/-/neo-async-2.6.2.tgz#b4aafb93e3aeb2d8174ca53cf163ab7d7308305f"
   integrity sha512-Yd3UES5mWCSqR+qNT93S3UoYUkqAZ9lLg8a7g9rimsWmYGK8cVToA4/sF3RrshdyV3sAGMXVUmpMYOw+dLpOuw==
 
-node-fetch@^2.6.12:
-  version "2.7.0"
-  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.7.0.tgz#d0f0fa6e3e2dc1d27efcd8ad99d550bda94d187d"
-  integrity sha512-c4FRfUm/dbcWZ7U+1Wq0AwCyFL+3nt2bEw05wfxSz+DWpWsitgmSgYmy2dQdWyKC1694ELPqMs/YzUSNozLt8A==
-  dependencies:
-    whatwg-url "^5.0.0"
-
 node-int64@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/node-int64/-/node-int64-0.4.0.tgz#87a9065cdb355d3182d8f94ce11188b825c68a3b"
@@ -5711,11 +5697,6 @@ tough-cookie@~2.5.0:
     psl "^1.1.28"
     punycode "^2.1.1"
 
-tr46@~0.0.3:
-  version "0.0.3"
-  resolved "https://registry.yarnpkg.com/tr46/-/tr46-0.0.3.tgz#8184fd347dac9cdc185992f3a6622e14b9d9ab6a"
-  integrity sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw==
-
 trim-newlines@^3.0.0:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/trim-newlines/-/trim-newlines-3.0.1.tgz#260a5d962d8b752425b32f3a7db0dcacd176c144"
@@ -5997,16 +5978,6 @@ watchpack@^2.4.0:
     glob-to-regexp "^0.4.1"
     graceful-fs "^4.1.2"
 
-web-streams-ponyfill@^1.0.0:
-  version "1.4.2"
-  resolved "https://registry.yarnpkg.com/web-streams-ponyfill/-/web-streams-ponyfill-1.4.2.tgz#0ae863cc5f7493903679f16b08cbf14d432b62f4"
-  integrity sha512-LCHW+fE2UBJ2vjhqJujqmoxh1ytEDEr0dPO3CabMdMDJPKmsaxzS90V1Ar6LtNE5VHLqxR4YMEj1i4lzMAccIA==
-
-webidl-conversions@^3.0.0:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-3.0.1.tgz#24534275e2a7bc6be7bc86611cc16ae0a5654871"
-  integrity sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ==
-
 webpack-cli@^5.0.0:
   version "5.1.4"
   resolved "https://registry.yarnpkg.com/webpack-cli/-/webpack-cli-5.1.4.tgz#c8e046ba7eaae4911d7e71e2b25b776fcc35759b"
@@ -6070,14 +6041,6 @@ webpack@^5.0.0:
     watchpack "^2.4.0"
     webpack-sources "^3.2.3"
 
-whatwg-url@^5.0.0:
-  version "5.0.0"
-  resolved "https://registry.yarnpkg.com/whatwg-url/-/whatwg-url-5.0.0.tgz#966454e8765462e37644d3626f6742ce8b70965d"
-  integrity sha512-saE57nupxk6v3HY35+jzBwYa0rKSy0XR8JSxZPwgLr7ys0IBzhGviA1/TUGJLmSVqs8pb9AnvICXEuOHLprYTw==
-  dependencies:
-    tr46 "~0.0.3"
-    webidl-conversions "^3.0.0"
-
 which-boxed-primitive@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/which-boxed-primitive/-/which-boxed-primitive-1.0.2.tgz#13757bc89b209b049fe5d86430e21cf40a89a8e6"