feat: Full support for ESM modules

Signed-off-by: Florian BOUILLON <f.bouillon@aptatio.com>

package.json

@@ -1,9 +1,21 @@
 {
 	"name": "@tcgdex/sdk",
 	"version": "2.4.9",
-	"main": "./dist/cjs/tcgdex.node.js",
-	"module": "./dist/modules/tcgdex.node.js",
-	"types": "./dist/types/tcgdex.d.ts",
+	"main": "./dist/tcgdex.node.js",
+	"module": "./dist/tcgdex.node.mjs",
+	"types": "./dist/tcgdex.node.d.ts",
+	"exports": {
+		".": {
+			"require": {
+				"types": "./dist/tcgdex.node.d.ts",
+				"default": "./dist/tcgdex.node.js"
+			},
+			"import": {
+				"default": "./dist/tcgdex.node.mjs",
+				"types": "./dist/tcgdex.node.d.mts"
+			}
+		}
+	},
 	"description": "Communicate with the Open Source TCGdex API in Javascript/Typescript using the SDK",
 	"repository": "https://github.com/tcgdex/javascript-sdk.git",
 	"homepage": "https://github.com/tcgdex/javascript-sdk",
@@ -29,10 +41,10 @@
 		"@types/node-fetch": "^2",
 		"@typescript-eslint/eslint-plugin": "^5",
 		"@typescript-eslint/parser": "^5",
-		"esbuild": "^0.16.3",
 		"eslint": "^8",
 		"jest": "^29",
-		"typescript": "^4"
+		"tsup": "^7",
+		"typescript": "^5"
 	},
 	"engines": {
 		"node": ">=12"
@@ -43,10 +55,7 @@
 	},
 	"scripts": {
 		"prebuild": "node scripts/export-version-number.js",
-		"build": "npm run build:cjs && npm run build:browser && npm run build:es2015",
-		"build:cjs": "tsc --project tsconfig.json",
-		"build:es2015": "tsc --project tsconfig.es2015.json",
-		"build:browser": "esbuild ./src/tcgdex.browser.ts --bundle --minify --sourcemap --target=es2016,chrome90,firefox78,safari14,ios13,edge90 --outfile=dist/tcgdex.browser.js",
+		"build": "tsup ./src/tcgdex.node.ts --format cjs,esm --dts --clean && tsup ./src/tcgdex.browser.ts --format iife --minify --sourcemap",
 		"prepublishOnly": "npm run build",
 		"lint": "eslint",
 		"test": "jest --coverage"