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27 changes: 21 additions & 6 deletions runtime/wasmJsMain/src/kotlinx/benchmark/NodeJsEngineSupport.kt
Original file line number Diff line number Diff line change
Expand Up @@ -3,21 +3,36 @@ package kotlinx.benchmark
import kotlin.time.DurationUnit
import kotlin.time.toDuration

@JsFun("(path, text) => require('fs').writeFileSync(path, text, 'utf8')")
private external fun nodeJsWriteFile(path: String, text: String)
@JsFun("""
(globalThis.module = (typeof process !== 'undefined') && (process.release.name === 'node') ?
await import('node:module') : void 0, () => {})
""")
internal external fun persistModule()

@JsFun("""() => {
const importMeta = import.meta;
return globalThis.module.default.createRequire(importMeta.url);
}
""")
internal external fun getRequire(): JsAny

@JsFun("(require, path, text) => require('fs').writeFileSync(path, text, 'utf8')")
private external fun nodeJsWriteFile(require: JsAny, path: String, text: String)

@JsFun("(path) => require('fs').readFileSync(path, 'utf8')")
private external fun nodeJsReadFile(path: String): String
@JsFun("(require, path, text) => require('fs').readFileSync(path, 'utf8')")
private external fun nodeJsReadFile(require: JsAny, path: String): String

@JsFun("() => process.argv.slice(2).join(' ')")
private external fun nodeJsArguments(): String

internal object NodeJsEngineSupport : JsEngineSupport() {
private val require = persistModule().let { getRequire() }

override fun writeFile(path: String, text: String) =
nodeJsWriteFile(path, text)
nodeJsWriteFile(require, path, text)

override fun readFile(path: String): String =
nodeJsReadFile(path)
nodeJsReadFile(require, path)

override fun arguments(): Array<out String> =
nodeJsArguments().split(' ').toTypedArray()
Expand Down