fix(runtime): support custom dep path in import()

runtimes/nodejs/src/support/engine/module.ts

@@ -3,14 +3,15 @@ import { FunctionCache, FunctionModuleGlobalContext } from '.'
 import Config from '../../config'
 import { Console } from '.'
 import * as vm from 'vm'
-import * as fs from 'fs'
+import { createRequire } from 'node:module'
 
 
+const CUSTOM_DEPENDENCY_NODE_MODULES_PATH = `${Config.CUSTOM_DEPENDENCY_BASE_PATH}/node_modules/`
 
 export class FunctionModule {
   protected static cache: Map<string, any> = new Map()
 
-  private static customRequire: any = null;
+  private  static customRequire = createRequire(CUSTOM_DEPENDENCY_NODE_MODULES_PATH)
 
   static get(functionName: string): any {
     const moduleName = `@/${functionName}`
@@ -46,18 +47,12 @@ export class FunctionModule {
       return mod
     }
 
-    // check custom dependency exists
-    const dependencyPath = `${Config.CUSTOM_DEPENDENCY_BASE_PATH}/node_modules/`
-    if (fs.existsSync(`${dependencyPath}/${name}`)) {
-      if (!FunctionModule.customRequire) {
-        FunctionModule.customRequire = require('module').createRequire(
-          dependencyPath,
-        )
-      }
+    // load custom dependency from custom dependency path first
+    try {
       return FunctionModule.customRequire(name)
+    } catch (e) {
+      return require(name)
     }
-
-    return require(name)
   }
 
   /**
@@ -79,9 +74,11 @@ export class FunctionModule {
       filename: `FunctionModule.${functionName}`,
       displayErrors: true,
       contextCodeGeneration: {
-        strings: false,
+        strings: true,
+        wasm: true,
       },
     } as any
+
     const script = this.createScript(wrapped, {})
     return script.runInNewContext(sandbox, options)
   }
@@ -111,13 +108,17 @@ export class FunctionModule {
   ): vm.Script {
     const _options = {
       ...options,
-
       importModuleDynamically: async (
         specifier: string,
         _: vm.Script,
         _importAssertions: any,
       ) => {
-        return await import(specifier)
+        try {
+          const resolvedPath = FunctionModule.customRequire.resolve(specifier)
+          return await import(resolvedPath)
+        } catch (e) {
+          return await import(specifier)
+        }
       },
     } as any