refactor: move all the config files to root (#8033)

tsup.config.ts

@@ -0,0 +1,48 @@
+import { relative, resolve } from 'node:path';
+import { defineConfig, type Options } from 'tsup';
+
+type ConfigOptions = Pick<
+	Options,
+	| 'globalName'
+	| 'minify'
+	| 'entry'
+	| 'format'
+	| 'target'
+	| 'sourcemap'
+	| 'skipNodeModulesBundle'
+	| 'noExternal'
+	| 'esbuildOptions'
+>;
+
+export const createTsupConfig = ({
+	globalName,
+	format = ['esm', 'cjs'],
+	target = 'es2021',
+	sourcemap = true,
+	minify = false,
+	entry = ['src/index.ts'],
+	skipNodeModulesBundle = true,
+	noExternal,
+	esbuildOptions = (options, context) => {
+		if (context.format === 'cjs') {
+			options.banner = {
+				js: '"use strict";',
+			};
+		}
+	},
+}: ConfigOptions = {}) =>
+	defineConfig({
+		clean: true,
+		dts: true,
+		entry,
+		format,
+		minify,
+		skipNodeModulesBundle,
+		sourcemap,
+		target,
+		tsconfig: relative(__dirname, resolve(process.cwd(), 'tsconfig.json')),
+		keepNames: true,
+		globalName,
+		noExternal,
+		esbuildOptions,
+	});