Move away from Node.js built-ins

This makes it possible to easily build this project using tools such as Webpack 5.

Author: Tpt

.github/workflows/ci.yml

@@ -89,4 +89,18 @@ jobs:
       - name: Build project
         run: yarn run build
       - run: yarn run spec-tordf
-      - run: yarn run spec-stream-tordf
+      - run: yarn run spec-stream-tordf
+
+  webpack:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/cache@v3
+        with:
+          path: '**/node_modules'
+          key: ${{ runner.os }}-webpack-modules-${{ hashFiles('**/yarn.lock') }}
+      - uses: actions/setup-node@v3
+        with:
+          node-version: 18.x
+      - run: yarn install
+      - run: npx webpack

lib/JsonLdParser.ts

@@ -2,7 +2,7 @@ import * as RDF from "@rdfjs/types";
 // tslint:disable-next-line:no-var-requires
 const Parser = require('jsonparse');
 import {ERROR_CODES, ErrorCoded, IDocumentLoader, JsonLdContext, Util as ContextUtil} from "jsonld-context-parser";
-import {PassThrough, Transform, TransformCallback} from "stream";
+import {PassThrough, Transform} from "readable-stream";
 import {EntryHandlerArrayValue} from "./entryhandler/EntryHandlerArrayValue";
 import {EntryHandlerContainer} from "./entryhandler/EntryHandlerContainer";
 import {EntryHandlerInvalidFallback} from "./entryhandler/EntryHandlerInvalidFallback";
@@ -165,7 +165,7 @@ export class JsonLdParser extends Transform implements RDF.Sink<EventEmitter, RD
     return parsed;
   }
 
-  public _transform(chunk: any, encoding: string, callback: TransformCallback): void {
+  public _transform(chunk: any, encoding: string, callback: (error?: Error | null, data?: any) => void): void {
     this.jsonParser.write(chunk);
     this.lastOnValueJob
       .then(() => callback(), (error) => callback(error));

package.json

@@ -31,11 +31,14 @@
   "dependencies": {
     "@rdfjs/types": "*",
     "@types/http-link-header": "^1.0.1",
+    "@types/readable-stream":  "^2.3.13",
+    "buffer": "^6.0.3",
     "canonicalize": "^1.0.1",
     "http-link-header": "^1.0.2",
     "jsonld-context-parser": "^2.1.3",
     "jsonparse": "^1.3.1",
-    "rdf-data-factory": "^1.1.0"
+    "rdf-data-factory": "^1.1.0",
+    "readable-stream": "^4.0.0"
   },
   "pre-commit": [
     "build",
@@ -45,7 +48,6 @@
   "devDependencies": {
     "@types/jest": "^28.0.0",
     "@types/jest-each": "^24.3.0",
-    "@types/node": "^18.0.0",
     "arrayify-stream": "^2.0.0",
     "coveralls": "^3.0.0",
     "jest": "^28.0.0",
@@ -56,9 +58,12 @@
     "rdf-test-suite": "^1.13.4",
     "streamify-string": "^1.0.1",
     "ts-jest": "^28.0.0",
+    "ts-loader": "^9.3.1",
     "tslint": "^6.0.0",
     "tslint-eslint-rules": "^5.3.1",
-    "typescript": "^4.0.2"
+    "typescript": "^4.0.2",
+    "webpack": "^5.73.0",
+    "webpack-cli": "^4.10.0"
   },
   "jest": {
     "globals": {

webpack.config.js

@@ -0,0 +1,22 @@
+const path = require('path');
+
+module.exports = {
+    entry: './lib/JsonLdParser.ts',
+    mode: 'development',
+    module: {
+        rules: [
+            {
+                test: /\.tsx?$/,
+                use: 'ts-loader',
+                exclude: /node_modules/,
+            },
+        ],
+    },
+    resolve: {
+        extensions: ['.tsx', '.ts', '.js'],
+    },
+    output: {
+        filename: 'out.js',
+        path: path.resolve(__dirname, 'dist'),
+    },
+};