build: refactor using shx

Author: sgratzl

package-lock.json

@@ -6,7 +6,7 @@
   "main": "index.js",
   "scripts": {
     "start": "http-server",
-    "postinstall": "rimraf web_modules/d3 && cpx \"node_modules/d3/{dist/d3.js,dist/d3.min.js,README.md,LICENSE,package.json}\" web_modules/d3 && npm run compile",
+    "postinstall": "shx rm -rf web_modules/d3 && shx mkdir -p web_modules/d3/dist && shx cp -r \"node_modules/d3/{README.md,LICENSE,package.json}\" web_modules/d3 && shx cp -r \"node_modules/d3/dist/d3*.js\" web_modules/d3/dist && npm run compile",
     "compile": "tsc -p .",
     "watch": "tsc -w -p .",
     "format": "prettier --print-width 120 --write \"examples/*.(html|ts|css|json)\" index.html README.md package.json"
@@ -22,14 +22,13 @@
   },
   "homepage": "https://github.com/sgratzl/d3tutorial#readme",
   "dependencies": {
-    "d3": "^7.6.1"
+    "d3": "^7.8.2"
   },
   "devDependencies": {
     "@types/d3": "^7.4.0",
-    "cpx": "^1.5.0",
     "http-server": "^14.1.1",
-    "prettier": "^2.7.1",
-    "rimraf": "^3.0.2",
-    "typescript": "^4.7.4"
+    "prettier": "^2.8.3",
+    "shx": "^0.3.4",
+    "typescript": "^4.9.4"
   }
 }

package.json

@@ -1,4 +1,4 @@
-Copyright 2010-2022 Mike Bostock
+Copyright 2010-2023 Mike Bostock
 
 Permission to use, copy, modify, and/or distribute this software for any purpose
 with or without fee is hereby granted, provided that the above copyright notice

web_modules/d3/LICENSE

@@ -14,12 +14,12 @@
 
 ## Installing
 
-If you use npm, `npm install d3`. You can also download the [latest release on GitHub](https://github.com/d3/d3/releases/latest). For vanilla HTML in modern browsers, import D3 from Skypack:
+If you use npm, `npm install d3`. You can also download the [latest release on GitHub](https://github.com/d3/d3/releases/latest). For vanilla HTML in modern browsers, import D3 from jsDelivr:
 
 ```html
 <script type="module">
 
-import * as d3 from "https://cdn.skypack.dev/d3@7";
+import * as d3 from "https://cdn.jsdelivr.net/npm/d3@7/+esm";
 
 const div = d3.selectAll("div");
 
@@ -42,7 +42,7 @@ You can also use the standalone D3 microlibraries. For example, [d3-selection](h
 ```html
 <script type="module">
 
-import {selectAll} from "https://cdn.skypack.dev/d3-selection@3";
+import {selectAll} from "https://cdn.jsdelivr.net/npm/d3-selection@3/+esm";
 
 const div = selectAll("div");