Finish making the intellisense work properly

augments.d.ts

@@ -0,0 +1,14 @@
+declare global {
+	class Hooks extends foundry.helpers.Hooks {};
+	const fromUuid = foundry.utils.fromUuid;
+}
+
+interface Actor {
+	/** The system-specific data */
+	system: any;
+};
+
+interface Item {
+	/** The system-specific data */
+	system: any;
+};

eslint.config.mjs

@@ -4,7 +4,7 @@ import stylistic from "@stylistic/eslint-plugin";
 
 export default [
 	// Tell eslint to ignore files that I don't mind being formatted slightly differently
-	{ ignores: [ `scripts/` ] },
+	{ ignores: [ `scripts/`, `foundry/` ] },
 	{
 		languageOptions: {
 			globals: globals.browser,

jsconfig.json

@@ -1,11 +1,19 @@
 {
 	"compilerOptions": {
-		"module": "ES2020",
-		"target": "ES2020"
+		"module": "es2022",
+		"target": "es2022",
+		"types": [
+			"./augments.d.ts"
+		],
+		"paths": {
+			"@client/*": ["./foundry/client/*"],
+			"@common/*": ["./foundry/common/*"],
+		}
 	},
-	"exclude": ["node_modules", "**/node_modules/*"],
-	"include": ["module/**/*", "foundry.v13.link/client/**/*.js", "foundry.v13.link/**/*.mjs"],
-	"typeAcquisition": {
-		"include": ["jquery"]
-	}
+	"include": [
+		"module/**/*",
+		"foundry/client/client.mjs",
+		"foundry/client/global.d.mts",
+		"foundry/common/primitives/global.d.mts"
+	]
 }