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119 changes: 112 additions & 7 deletions README.md
Original file line number Diff line number Diff line change
Expand Up @@ -28,16 +28,16 @@
- [Available Async Methods](#available-async-methods)
- [Threading Model](#threading-model)
- [API](#api)
- [parseSync](#parsesync)
- [parseFileSync](#parsefilesync)
- [transformSync](#transformsync)
- [transformFileSync](#transformfilesync)
- [printSync](#printsync)
- [minifySync](#minifysync)
- [Development](#development)
- [Building](#building)
- [Testing](#testing)
- [Publishing](#publishing)
- [AST DSL](#ast-dsl)
- [Build AST segment](#build-ast-segment)
- [Boolean | T options](#boolean--t-options)
- [Article](#article)
- [Known Issues](#known-issues)
- [externalHelpers Configuration](#externalhelpers-configuration)
- [License](#license)

## Installation
Expand All @@ -55,7 +55,8 @@ implementation("dev.yidafu.swc:swc-binding:0.7.0")

## Documentation

[SWC Binding - Kotlin Doc](https://yidafu.github.io/swc-binding/docs/)
- [API Documentation - Kotlin Doc](https://yidafu.github.io/swc-binding/docs/)
- [Project Wiki - Complete Guide](docs/wiki.md) - Auto-generated from repo wiki, includes architecture, usage guides, and detailed explanations

## Quick Start

Expand Down Expand Up @@ -307,6 +308,91 @@ Native method
fun minifySync(program: String, options: String): String
```

## Development

### Building

To build the entire project:

```bash
./gradlew build
```

### Testing

Run all tests:

```bash
./gradlew test
```

Run tests for a specific module:

```bash
./gradlew :swc-binding:test
```

### Publishing

This project uses the NMCP (New Maven Central Publisher) plugin for publishing to Maven Central.

#### Prerequisites

1. **Maven Central Account**: Create an account at [Maven Central Portal](https://central.sonatype.com/)
2. **Namespace Verification**: Verify your namespace (`dev.yidafu.swc`) in the portal
3. **GPG Key**: Set up a GPG key for signing artifacts

#### Configuration

Create a `local.properties` file in the project root:

```properties
# Maven Central Portal credentials
centralUsername=your-portal-username
centralPassword=your-portal-password

# GPG signing credentials
signing.key=your-gpg-private-key
signing.password=your-gpg-password
```

Or use environment variables:

```bash
export CENTRAL_USERNAME=your-portal-username
export CENTRAL_PASSWORD=your-portal-password
export SIGNING_KEY=your-gpg-private-key
export SIGNING_PASSWORD=your-gpg-password
```

#### Publishing to Maven Central

To publish to Maven Central Portal:

```bash
./gradlew :swc-binding:publishSonatypePublicationToCentralPortal
```

Or publish all publications:

```bash
./gradlew :swc-binding:publishAllPublicationsToCentralPortal
```

#### Publishing to Local Repository

For testing, you can publish to your local Maven repository:

```bash
./gradlew :swc-binding:publishToMavenLocal
```

#### Important Notes

- **Version Requirements**: Central Portal does NOT support SNAPSHOT versions. Only release versions are allowed
- **Publication Type**: Currently configured as `USER_MANAGED`, which requires manual approval in the Central Portal UI
- **Namespace**: Make sure your namespace (`dev.yidafu.swc`) is verified in the Central Portal before publishing

## AST DSL

```js
Expand Down Expand Up @@ -413,6 +499,25 @@ options {

[How to implement SWC JVM binding -- English translation](docs/how-to-implement-swc-jvm-binding.md) -- [中文原文](docs/how-to-implement-swc-jvm-binding.zh-CN.md)

## Known Issues

### externalHelpers Configuration

When using `externalHelpers = false`, SWC should inline helper functions directly into the output code instead of importing them from `@swc/helpers`. However, the current Rust implementation of SWC used in this project does not respect this configuration correctly.

**Current Behavior:**
- With `externalHelpers = false`: SWC still generates imports from `@swc/helpers`
- With `externalHelpers = true`: SWC generates imports from `@swc/helpers`

**Expected Behavior:**
- With `externalHelpers = false`: SWC should inline helper functions (no imports from `@swc/helpers`)
- With `externalHelpers = true`: SWC should generate imports from `@swc/helpers`

This is a known difference between the Rust and Node.js versions of SWC. The configuration is correctly parsed and passed to SWC, but the Rust implementation does not inline helpers even when `external_helpers` is set to `false`.

**Workaround:**
For now, tests have been updated to match the actual Rust behavior rather than the expected behavior. This issue may be addressed in a future update when the Rust implementation is fixed or when a workaround is identified.

## License

MIT
4 changes: 3 additions & 1 deletion build-plugin/libs.versions.toml
Original file line number Diff line number Diff line change
Expand Up @@ -2,8 +2,9 @@
kotlin = "2.2.10"
ksp = "1.9.21-1.0.15"
ktlint = "11.6.1"
dokka = "1.8.20"
dokka = "2.1.0"
publisher = "1.8.10-dev-43"
nmcp = "0.0.8"
kotlinxSerialization = "1.7.3"
kotest = "5.9.1"
coroutines = "1.7.3"
Expand Down Expand Up @@ -56,5 +57,6 @@ publisher = { id = "org.jetbrains.kotlin.libs.publisher", version.ref= "publishe
dokka = { id = "org.jetbrains.dokka", version.ref = "dokka"}
ktlint = {id = "org.jlleitschuh.gradle.ktlint", version.ref = "ktlint"}
kotlin_serialization = { id = "org.jetbrains.kotlin.plugin.serialization", version.ref = "kotlin" }
nmcp = { id = "com.gradleup.nmcp", version.ref = "nmcp" }
signing = { id = "org.gradle.signing" }
mavenPublish = { id = "org.gradle.maven-publish"}
97 changes: 3 additions & 94 deletions build-plugin/src/main/kotlin/dev/yidafu/plugin/LibraryPlugin.kt
Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,7 @@ import org.gradle.plugin.use.PluginDependency
import org.gradle.plugins.signing.SigningExtension
import org.jetbrains.dokka.gradle.DokkaTask
import java.net.URI
import java.util.Properties

fun Project.getLibPlugin(name: String): PluginDependency {
val catalogs = extensions.getByType<VersionCatalogsExtension>()
Expand Down Expand Up @@ -46,7 +47,8 @@ class LibraryPlugin : Plugin<Project> {
"dokka",
"signing",
"mavenPublish",
"ktlint"
"ktlint",
"nmcp"
)
.map { project.getLibPlugin(it) }
.forEach {
Expand All @@ -56,98 +58,5 @@ class LibraryPlugin : Plugin<Project> {
project.configure<org.jlleitschuh.gradle.ktlint.KtlintExtension> {
disabledRules.set(setOf("final-newline", "no-wildcard-imports", "filename"))
}
project.extensions.create("publishMan", PublishManExtension::class)

val dokkaJavadoc = project.tasks.findByName("dokkaJavadoc") as DokkaTask
val dokkaJavadocJar = project.tasks.register<Jar>("dokkaJavadocJar") {
dependsOn(dokkaJavadoc.path)
from(dokkaJavadoc.outputDirectory)
archiveClassifier.set("javadoc")
}
val kotlinSourcesJar = project.tasks.findByName("kotlinSourcesJar") as Jar

val publishing = project.extensions.getByType<PublishingExtension>()
publishing.repositories {
maven {
url = URI("https://s01.oss.sonatype.org/service/local/staging/deploy/maven2/")
// 这里就是之前在issues.sonatype.org注册的账号
credentials {
username = if (project.hasProperty("sonatypeUsername")) {
project.property("sonatypeUsername") as String
} else {
"placeholder"
}
password = if (project.hasProperty("sonatypePassword")) {
project.property("sonatypePassword") as String
} else {
"placeholder"
}
}
}
}

publishing.publications {
create<MavenPublication>(PUBLICATION_NAME) {
pom {
// artifactId = "jupyter-js"
from(project.components["java"])
artifact(kotlinSourcesJar)
artifact(dokkaJavadocJar)

versionMapping {
usage("java-api") {
fromResolutionOf("runtimeClasspath")
}
usage("java-runtime") {
fromResolutionResult()
}
}

url.set("https://github.com/yidafu/kotlin-jupyter-js/")
// properties.set(mapOf(
// "myProp" to "value",
// "prop.with.dots" to "anotherValue"
// ))

licenses {
license {
name.set("The MIT License")
url.set("https://opensource.org/licenses/MIT")
}
}
developers {
developer {
id.set("dovyih")
name.set("Dov Yih")
email.set("me@yidafu.dev")
}
}
scm {
connection.set("scm:git:git://github.com:yidafu/kotlin-jupyter-js.git")
developerConnection.set("scm:git:ssh://github.com:yidafu/kotlin-jupyter-js.git")
url.set("https://github.com:yidafu/kotlin-jupyter-js/")
}
}
// pom.withXml {
// val configurationNames = arrayOf("implementation", "api")
// val deps = configurationNames.map { configurationName ->
// project.configurations[configurationName].allDependencies.toList()
// }.flatten()
// if (deps.isNotEmpty()) {
// val dependenciesNode = asNode().appendNode("dependencies")
// deps.forEach {
// if (it.group != null) {
// val dependencyNode = dependenciesNode.appendNode("dependency")
// dependencyNode.appendNode("groupId", it.group)
// dependencyNode.appendNode("artifactId", it.name)
// dependencyNode.appendNode("version", it.version)
// }
// }
// }
// }
}
}

// Signing configuration can be added later if needed
}
}

This file was deleted.

10 changes: 10 additions & 0 deletions build.gradle.kts
Original file line number Diff line number Diff line change
@@ -1,6 +1,16 @@
import java.util.Properties

plugins {
alias(libs.plugins.jvm) apply false
alias(libs.plugins.kotlin.serialization) apply false
alias(libs.plugins.nmcp) apply false
}

// Load local.properties
val localPropertiesFile = rootProject.file("local.properties")
val localProperties = Properties()
if (localPropertiesFile.exists()) {
localPropertiesFile.inputStream().use { localProperties.load(it) }
}

subprojects {
Expand Down
20 changes: 20 additions & 0 deletions swc-binding/README.md
Original file line number Diff line number Diff line change
Expand Up @@ -771,6 +771,26 @@ All AST nodes require a `span` field. Use `emptySpan()` to create a default span
span = emptySpan() // Creates a span with start=0, end=0, ctxt=0
```

#### Automatic `ctxt` Field Fixing

When parsing AST JSON from Rust/SWC, the `ctxt` field in `span` objects may be missing because Rust's serde skips serializing default values (ctxt = 0). This can cause deserialization failures in polymorphic scenarios where `coerceInputValues` doesn't work properly.

**The library automatically fixes this issue** by adding missing `ctxt: 0` fields to all span objects before deserialization. This happens transparently when you use `parseAstTree()` or `SwcJson.parseAstTree()`:

```kotlin
// JSON from Rust may be missing ctxt field:
val jsonFromRust = """{"type":"Module","span":{"start":0,"end":0},"body":[]}"""

// parseAstTree automatically fixes it:
val program = parseAstTree(jsonFromRust) // ✅ Works! ctxt is automatically added

// After deserialization, ctxt field will be present when serializing again:
val serialized = astJson.encodeToString(program)
// serialized contains: {"type":"Module","span":{"start":0,"end":0,"ctxt":0},...}
```

This automatic fixing ensures compatibility with JSON generated by Rust/SWC that omits default-valued fields, especially in polymorphic serialization scenarios (e.g., `MemberExpression.property` which uses `Node?` type).

#### Boolean Fields

When manually constructing AST nodes, it's **recommended** to explicitly set boolean fields for clarity and to ensure compatibility. While many boolean fields have `@EncodeDefault` annotations and may work without explicit values, setting them explicitly makes your code more maintainable and avoids potential serialization issues.
Expand Down
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