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kotlinlang

Is there a way to split in chunks the generated js file? I've this config
```js("js", IR) {
        browser()
        binaries.executable()
        useCommonJs()
    }```
and I'm using compileProductionExecutableKotlinJs to create the .js and d.ts that I copy to a typescript react project, but the js is super large (near 4mb)

Do you use `js` from `build/distributions` ?

no, from build/compileSync/main/productionExecutable/kotlin/

It’s non-optimized `js` and you can use optimized with excluded examples (`react` for example)

the js in build/distribution is still 2mb.. I will check if it works but isn't there a way to remove unused code?

looking at the chrom dev tools I have 85% of unused code from that

IR with
```browser()
binaries.executable()
useCommonJs()```


Try <https://github.com/turansky/kotlin-battleground/blob/master/KTOR-1084/build.gradle.kts#L26|this option>

&gt; the js in build/distribution is still 2mb.
Do you exclude `react` and related libs from dist?

I don't have npms in the jsMain dependencies

```sourceSets["jsMain"].dependencies {
    implementation(Deps.Ktor.js)
    implementation(Deps.Ktor.jsCore)
    implementation(Deps.Ktor.jsJson)
    implementation(Deps.Ktor.jsLogging)
    implementation(Deps.Ktor.jsSerialization)
    implementation(Deps.Coroutines.js)
    implementation(kotlin("stdlib-js"))
    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core-common:1.3.5")
}```


<https://youtrack.jetbrains.com/issue/KTOR-1084|FYI> - Ktor update = -1MB approximately

&gt; I don’t have npms in the jsMain dependencies
But Ktor has :smiling_imp: