start exporting a package API

package.json

@@ -1,6 +1,7 @@
 {
   "name": "shrimp",
   "version": "0.1.0",
+  "exports": "./src/index.ts",
   "private": true,
   "type": "module",
   "scripts": {

src/index.ts

@@ -0,0 +1,39 @@
+import { readFileSync } from 'fs'
+import { VM, fromValue, type Bytecode } from 'reefvm'
+import { Compiler } from '#compiler/compiler'
+import { globals, colors } from '#prelude'
+
+export { Compiler } from '#compiler/compiler'
+export { parser } from '#parser/shrimp'
+export { globals } from '#prelude'
+
+export async function runFile(path: string): Promise<any> {
+    const code = readFileSync(path, 'utf-8')
+    return await runCode(code)
+}
+
+export async function runCode(code: string): Promise<any> {
+    const compiler = new Compiler(code, Object.keys(globals))
+    return await runBytecode(compiler.bytecode)
+}
+
+export async function runBytecode(bytecode: Bytecode): Promise<any> {
+    try {
+        const vm = new VM(bytecode, globals)
+        await vm.run()
+        return vm.stack.length ? fromValue(vm.stack[vm.stack.length - 1]!) : null
+    } catch (error: any) {
+        console.error(`${colors.red}Error:${colors.reset} ${error.message}`)
+        process.exit(1)
+    }
+}
+
+export function compileFile(path: string): Bytecode {
+    const code = readFileSync(path, 'utf-8')
+    return compileCode(code)
+}
+
+export function compileCode(code: string): Bytecode {
+    const compiler = new Compiler(code, Object.keys(globals))
+    return compiler.bytecode
+}