Add 'allowTrailingCommas' configuration to config-schema.json (#8461)

* Add 'allowTrailingCommas' configuration to config-schema.json

* Add changeset

Author: GregBrimble

.changeset/plenty-bats-jog.md

@@ -0,0 +1,5 @@
+---
+"wrangler": minor
+---
+
+Add a 'allowTrailingCommas: true' option to improve IDE experience of 'wrangler.jsonc?'

packages/wrangler/package.json

@@ -58,7 +58,7 @@
 		"clean": "rimraf wrangler-dist miniflare-dist emitted-types",
 		"dev": "pnpm run clean && concurrently -c black,blue --kill-others-on-fail false \"pnpm run bundle --watch\" \"pnpm run check:type --watch --preserveWatchOutput\"",
 		"emit-types": "tsc -p tsconfig.emit.json && node -r esbuild-register scripts/emit-types.ts",
-		"generate-json-schema": "pnpm exec ts-json-schema-generator --no-type-check --path src/config/config.ts --type RawConfig --out config-schema.json",
+		"generate-json-schema": "node -r esbuild-register scripts/generate-json-schema.ts",
 		"prepublishOnly": "cross-env SOURCEMAPS=false pnpm exec turbo build -F wrangler",
 		"start": "pnpm run bundle && cross-env NODE_OPTIONS=--enable-source-maps ./bin/wrangler.js",
 		"test": "dotenv -- pnpm run assert-git-version && dotenv -- vitest",

packages/wrangler/scripts/generate-json-schema.ts

@@ -0,0 +1,24 @@
+import { writeFileSync } from "fs";
+import { join } from "path";
+import { createGenerator } from "ts-json-schema-generator";
+import type { Config, Schema } from "ts-json-schema-generator";
+
+const config: Config = {
+	path: join(__dirname, "../src/config/config.ts"),
+	tsconfig: join(__dirname, "../tsconfig.json"),
+	type: "RawConfig",
+	skipTypeCheck: true,
+};
+
+const applyFormattingRules = (schema: Schema) => {
+	return { ...schema, allowTrailingCommas: true };
+};
+
+const schema = applyFormattingRules(
+	createGenerator(config).createSchema(config.type)
+);
+
+writeFileSync(
+	join(__dirname, "../config-schema.json"),
+	JSON.stringify(schema, null, 2)
+);