fix: Remove runtime esbuild dependency (#197)

DH-18191: Removed runtime esbuild dependency and move to simpler text
replacement methodology to cut down on memory consumption.

package.json

@@ -861,8 +861,7 @@
   "dependencies": {
     "@deephaven-enterprise/auth-nodejs": "^1.20240723.124-beta",
     "@deephaven-enterprise/query-utils": "^1.20240723.124-beta",
-    "@deephaven/jsapi-nodejs": "0.100.0",
-    "esbuild-wasm": "^0.24.0",
+    "@deephaven/jsapi-nodejs": "0.102.0",
     "nanoid": "^5.0.7"
   },
   "devDependencies": {
@@ -879,6 +878,7 @@
     "@wdio/mocha-framework": "^8.39.0",
     "@wdio/spec-reporter": "^8.39.0",
     "ctrf": "^0.0.9",
+    "esbuild-wasm": "^0.24.0",
     "eslint": "^8.57.0",
     "fantasticon": "^3.0.0",
     "github-actions-ctrf": "^0.0.20",

src/dh/dhc.ts

@@ -39,25 +39,33 @@ export async function getDhc(
   storageDir: string
 ): Promise<typeof DhType> {
   // Download jsapi `ESM` files from DH Community server.
-  const coreModule = await loadModules<{ default: typeof DhType }>({
+  const coreModule = await loadModules<typeof DhType>({
     serverUrl,
     serverPaths: ['jsapi/dh-core.js', 'jsapi/dh-internal.js'],
-    download: true,
+    download: (serverPath, content) => {
+      if (serverPath === 'jsapi/dh-core.js') {
+        return content
+          .replace(
+            `import {dhinternal} from './dh-internal.js';`,
+            `const {dhinternal} = require("./dh-internal.js");`
+          )
+          .replace(`export default dh;`, `module.exports = dh;`);
+      }
+
+      if (serverPath === 'jsapi/dh-internal.js') {
+        return content.replace(
+          `export{__webpack_exports__dhinternal as dhinternal};`,
+          `module.exports={dhinternal:__webpack_exports__dhinternal};`
+        );
+      }
+
+      return content;
+    },
     storageDir,
-    sourceModuleType: 'esm',
     targetModuleType: 'cjs',
-    esbuildOptions: {
-      tsconfigRaw: {
-        compilerOptions: {
-          // This needs to be set to avoid adding `use strict` to the output
-          // which hits a protobuf bug. https://github.com/protocolbuffers/protobuf-javascript/issues/8
-          strict: false,
-        },
-      },
-    },
   });
 
-  return coreModule.default;
+  return coreModule;
 }
 
 /**

src/dh/dhe.ts

@@ -53,7 +53,7 @@ export async function getDhe(
     serverPaths: ['irisapi/irisapi.nocache.js'],
     download: true,
     storageDir,
-    sourceModuleType: 'cjs',
+    targetModuleType: 'cjs',
   });
 
   // DHE currently exposes the jsapi via the global `iris` object.