Dynamic access to Operators in both front and backend

server-node/package.json

@@ -36,10 +36,13 @@
         "pdf-lib": "^1.17.1",
         "rollup-plugin-copy": "^3.5.0",
         "tsconfig-paths": "^4.2.0",
+        "vite-plugin-compile-time": "^0.2.1",
+        "vite-plugin-dynamic-import": "^1.5.0",
         "vite-plugin-node-polyfills": "^0.19.0",
         "vite-plugin-top-level-await": "^1.4.1"
     },
     "devDependencies": {
+        "@rollup/plugin-dynamic-import-vars": "^2.1.2",
         "@rollup/plugin-run": "^3.0.2",
         "@rollup/plugin-typescript": "^11.1.6",
         "copyfiles": "^2.4.1",

server-node/rollup.config.js

@@ -1,15 +1,16 @@
 import run from "@rollup/plugin-run";
 import typescript from '@rollup/plugin-typescript';
 import json from '@rollup/plugin-json';
-import copy from 'rollup-plugin-copy'
-
+import copy from 'rollup-plugin-copy';
+import compileTime from "vite-plugin-compile-time";
+import dynamicImportVars from '@rollup/plugin-dynamic-import-vars';
 
 const isDev = process.env.NODE_ENV !== "production";
 
 export default {
   input: "src/index.ts",
   output: {
-    file: "dist/bundle.js",
+    dir: "dist/",
     format: "es",
   },
   watch: {
@@ -18,6 +19,8 @@ export default {
   plugins: [
     json(),
     typescript(),
+    dynamicImportVars(),
+    compileTime(),
     copy({
         targets: [
             { src: '../shared-operations/public', dest: 'dist' },

server-node/src/index.ts

@@ -6,6 +6,7 @@ const PORT = 8000;
 
 // server-node: backend api
 import api from "./routes/api/api-controller";
+import { listOperatorNames } from "@stirling-pdf/shared-operations/src/workflow/operatorAccessor";
 app.use("/api", api);
 
 // serve
@@ -16,3 +17,5 @@ app.listen(PORT, () => {
 process.on('unhandledRejection', (reason, promise) => {
     console.error('Unhandled Rejection at:', promise, 'reason:', reason);
 });
+
+console.log("Available Modules: ", listOperatorNames())

server-node/src/routes/api/dynamic-operations-controller.ts

@@ -2,7 +2,7 @@ import express, { Request, Response } from "express";
 const router = express.Router();
 import multer from "multer";
 const upload = multer();
-import { getOperatorByName } from "@stirling-pdf/shared-operations/src/workflow/getOperatorByName";
+import { getOperatorByName } from "@stirling-pdf/shared-operations/src/workflow/operatorAccessor";
 import { Operator } from "@stirling-pdf/shared-operations/src/functions";
 
 import { PdfFile } from "@stirling-pdf/shared-operations/src/wrappers/PdfFile";
@@ -11,14 +11,14 @@ import { Action } from "@stirling-pdf/shared-operations/declarations/Action";
 import { JoiPDFFileSchema } from "@stirling-pdf/shared-operations/src/wrappers/PdfFileJoi";
 
 router.post("/:func", upload.array("file"), async function(req: Request, res: Response) {
-    handleEndpoint(req, res);
+    await handleEndpoint(req, res);
 });
 
 router.post("/:dir/:func", upload.array("file"), async function(req: Request, res: Response) {
-    handleEndpoint(req, res);
+    await handleEndpoint(req, res);
 });
 
-function handleEndpoint(req: Request, res: Response) {
+async function handleEndpoint(req: Request, res: Response) {
     if(!req.files || req.files.length == 0) {
         res.status(400).json({error: "no input file(s) were provided"});
         return;
@@ -31,7 +31,8 @@ function handleEndpoint(req: Request, res: Response) {
     }
     const pdfFiles: PdfFile[] = validationResults.value;
 
-    const operator = getOperatorByName(req.params.func);
+    const operator = await getOperatorByName(req.params.func);
+
     if(operator) {
         const action: Action = {type: req.params.func, values: req.body};
 

server-node/tsconfig.json

@@ -30,7 +30,7 @@
     "moduleResolution": "Node",                          /* Specify how TypeScript looks up a file from a given module specifier. */
     "baseUrl": "./src",                                  /* Specify the base directory to resolve non-relative module names. */
     "paths": {
-        "#pdfcpu": ["@stirling-pdf/shared-operations/src/wasm/pdfcpu/pdfcpu-wrapper.server"],
+        "#pdfcpu": ["../shared-operations/src/wasm/pdfcpu/pdfcpu-wrapper.server.js"],
         "@stirling-pdf/*": [ "../../*" ]
     },                                      /* Specify a set of entries that re-map imports to additional lookup locations. */
     // "rootDirs": [],                                   /* Allow multiple folders to be treated as one when resolving modules. */