feat: support wildcard export in svelte entry point (#85)

.gitignore

@@ -1,6 +1,7 @@
 .DS_Store
+.idea
 lib
 build
 dist
 node_modules
-pnpm*
+pnpm*

src/parse-exports.ts

@@ -1,4 +1,7 @@
 import * as acorn from "acorn";
+import * as fs from "fs";
+import path from "path";
+import { normalizeSeparators } from "./path";
 
 interface NodeImportDeclaration extends acorn.Node {
  type: "ImportDeclaration";
@@ -16,11 +19,15 @@ interface NodeExportDefaultDeclaration extends acorn.Node {
  declaration: { name: string };
 }
 
-type BodyNode = NodeImportDeclaration | NodeExportNamedDeclaration | NodeExportDefaultDeclaration;
+interface NodeExportAllDeclaration extends acorn.Node, Pick<NodeImportDeclaration, "source"> {
+ type: "ExportAllDeclaration";
+}
+
+type BodyNode = NodeImportDeclaration | NodeExportNamedDeclaration | NodeExportDefaultDeclaration | NodeExportAllDeclaration;
 
 export type ParsedExports = Record<string, { source: string; default: boolean; mixed?: boolean }>;
 
-export function parseExports(source: string) {
+export function parseExports(source: string, dir: string) {
  const ast = acorn.parse(source, {
  ecmaVersion: "latest",
  sourceType: "module",
@@ -38,9 +45,32 @@ export function parseExports(source: string) {
  } else {
  exports_by_identifier[id] = { source: "", default: true };
  }
- }
+ } else if (node.type === "ExportAllDeclaration") {
+ if (!node.source) return;
 
- if (node.type === "ExportNamedDeclaration") {
+ let file_path = path.resolve(dir, node.source.value);
+
+ if (!fs.lstatSync(file_path).isFile()){
+ const files = fs.readdirSync(file_path);
+
+ for (const file of files)
+ if (file.includes("index")) {
+ file_path = path.join(file_path, file);
+ break;
+ }
+ }
+
+ const export_file = fs.readFileSync(file_path, "utf-8");
+ const exports = parseExports(export_file, path.dirname(file_path));
+
+ for (const [key, value] of Object.entries(exports)) {
+ const source = normalizeSeparators("./" + path.join(node.source.value, value.source));
+ exports_by_identifier[key] = {
+ ...value,
+ source
+ };
+ }
+ } else if (node.type === "ExportNamedDeclaration") {
  node.specifiers.forEach((specifier) => {
  const exported_name = specifier.exported.name;
  const id = exported_name || specifier.local.name;

src/rollup-plugin.ts

@@ -59,7 +59,7 @@ interface GenerateBundleResult {
 export async function generateBundle(input: string, glob: boolean) {
  const dir = fs.lstatSync(input).isFile() ? path.dirname(input) : input;
  const entry = fs.readFileSync(input, "utf-8");
- const exports = parseExports(entry);
+ const exports = parseExports(entry, dir);
 
  if (glob) {
  fg.sync([`${dir}/**/*.svelte`]).forEach((file) => {