Trick the webpack to bypass its warnings on missing modules (#285)

Leftovers from #265

Author: fzhinkin

core/js/src/node/nodeModulesJs.kt

@@ -7,31 +7,31 @@ package kotlinx.io.node
 
 internal actual val path: Path by lazy {
     try {
-        js("require(\"path\")")
+        js("eval('require')('path')")
     } catch (e: Throwable) {
         throw UnsupportedOperationException("Module 'path' could not be imported", e)
     }
 }
 
 internal actual val fs: Fs by lazy {
     try {
-        js("require(\"fs\")")
+        js("eval('require')('fs')")
     } catch (e: Throwable) {
         throw UnsupportedOperationException("Module 'fs' could not be imported", e)
     }
 }
 
 internal actual val os: Os by lazy {
     try {
-        js("require(\"os\")")
+        js("eval('require')('os')")
     } catch (e: Throwable) {
         throw UnsupportedOperationException("Module 'os' could not be imported", e)
     }
 }
 
 internal actual val buffer: BufferModule by lazy {
     try {
-        js("require(\"buffer\")")
+        js("eval('require')('buffer')")
     } catch (e: Throwable) {
         throw UnsupportedOperationException("Module 'buffer' could not be imported", e)
     }