fix(build): add .js extensions for ES module compatibility

Author: JoelDeonDsouza

main.ts

@@ -1,6 +1,6 @@
-import Parser from "./src/parser/parser";
-import { createGlobalEnv } from "./src/runtime/environment";
-import { evaluate } from "./src/runtime/interpreter";
+import Parser from "./src/parser/parser.js";
+import { createGlobalEnv } from "./src/runtime/environment.js";
+import { evaluate } from "./src/runtime/interpreter.js";
 repl();
 
 // Run time //

package.json

@@ -1,6 +1,6 @@
 {
   "name": "jistscript",
-  "version": "1.1.0",
+  "version": "1.1.1",
   "description": "A TypeScript-based scripting language engineered for data-centric applications, driven by robust data processing capabilities.",
   "type": "module",
   "main": "./dist/index.js",

src/cli/jistc.ts

@@ -2,9 +2,9 @@ import { parseArgs } from "node:util";
 import { readFileSync, writeFileSync, existsSync, mkdirSync } from "node:fs";
 import { join, dirname, relative } from "node:path";
 import { glob } from "glob";
-import Parser from "../parser/parser";
-import { transpileToJS } from "../compiler/transpiler";
-import { watch } from "./watch";
+import Parser from "../parser/parser.js";
+import { transpileToJS } from "../compiler/transpiler.js";
+import { watch } from "./watch.js";
 
 interface CompilerOptions {
   outDir?: string;

src/compiler/transpiler.ts

@@ -11,7 +11,7 @@ import {
   ArrayLiteral,
   AssignmentExpr,
   TypeAnnotation,
-} from "../parser/typeAst";
+} from "../parser/typeAst.js";
 
 interface TranspileOptions {
   target?: "es5" | "es6" | "esnext";

src/index.ts

@@ -1,16 +1,16 @@
-export { default as Parser } from "./parser/parser";
-export { tokenize, TokenType } from "./parser/lexer";
-export type { Token } from "./parser/lexer";
-export { evaluate } from "./runtime/interpreter";
-export { createGlobalEnv } from "./runtime/environment";
-export { default as Environment } from "./runtime/environment";
+export { default as Parser } from "./parser/parser.js";
+export { tokenize, TokenType } from "./parser/lexer.js";
+export type { Token } from "./parser/lexer.js";
+export { evaluate } from "./runtime/interpreter.js";
+export { createGlobalEnv } from "./runtime/environment.js";
+export { default as Environment } from "./runtime/environment.js";
 
 // Export types //
-export type * from "./parser/typeAst";
-export type * from "./runtime/values";
+export type * from "./parser/typeAst.js";
+export type * from "./runtime/values.js";
 
 // Compiler //
-export { transpileToJS } from "./compiler/transpiler";
+export { transpileToJS } from "./compiler/transpiler.js";
 
 // Main API //
 export class JistScript {}

src/parser/parser.ts

@@ -15,8 +15,8 @@ import {
   StringLiteral,
   ArrayLiteral,
   TypeAnnotation,
-} from "./typeAst";
-import { tokenize, Token, TokenType } from "./lexer";
+} from "./typeAst.js";
+import { tokenize, Token, TokenType } from "./lexer.js";
 
 export default class Parser {
   private tokens: Token[] = [];

src/plugins/vite-plugin.ts

@@ -1,6 +1,6 @@
 import { Plugin } from "vite";
-import Parser from "../parser/parser";
-import { transpileToJS } from "../compiler/transpiler";
+import Parser from "../parser/parser.js";
+import { transpileToJS } from "../compiler/transpiler.js";
 
 export function jistscript(): Plugin {
   return {

src/runtime/environment.ts

@@ -7,7 +7,7 @@ import {
   NEW_ARRAY,
   StateTypeInfo,
   validateStateType,
-} from "./values";
+} from "./values.js";
 
 // Global state counter for useState //
 let stateIdCounter = 0;

src/runtime/eval/evalStatements.ts

@@ -1,30 +1,18 @@
 import { RuntimeVal, NEW_NULL, FunctionVal } from "../values";
-import {
-  FunctionDeclaration,
-  Program,
-  VarDeclaration,
-} from "../../parser/typeAst";
-import Environment from "../environment";
-import { evaluate } from "../interpreter";
+import { FunctionDeclaration, Program, VarDeclaration } from "../../parser/typeAst.js";
+import Environment from "../environment.js";
+import { evaluate } from "../interpreter.js";
 
-export function eval_program_expr(
-  program: Program,
-  env: Environment
-): RuntimeVal {
+export function eval_program_expr(program: Program, env: Environment): RuntimeVal {
   let lastEvaluated: RuntimeVal = NEW_NULL();
   for (const statements of program.body) {
     lastEvaluated = evaluate(statements, env);
   }
   return lastEvaluated;
 }
 
-export function eval_var_declaration(
-  declaration: VarDeclaration,
-  env: Environment
-): RuntimeVal {
-  const value = declaration.value
-    ? evaluate(declaration.value, env)
-    : NEW_NULL();
+export function eval_var_declaration(declaration: VarDeclaration, env: Environment): RuntimeVal {
+  const value = declaration.value ? evaluate(declaration.value, env) : NEW_NULL();
   return env.declareVar(declaration.identifier, value, declaration.constant);
 }
 

src/runtime/eval/expressions.ts

@@ -4,10 +4,10 @@ import {
   BinaryExpr,
   Identifier,
   ObjectLiteral,
-} from "../../parser/typeAst";
-import Environment from "../environment";
-import { evaluate } from "../interpreter";
-import { NEW_NULL, NumberVal, RuntimeVal, ArrayVal, ObjectVal } from "../values";
+} from "../../parser/typeAst.js";
+import Environment from "../environment.js";
+import { evaluate } from "../interpreter.js";
+import { NEW_NULL, NumberVal, RuntimeVal, ArrayVal, ObjectVal } from "../values.js";
 
 export function eval_array_literal(astNode: ArrayLiteral, env: Environment): ArrayVal {
   const elements = astNode.elements.map(element => evaluate(element, env));