Struct WasmBuildConfig 

pub struct WasmBuildConfig {
    pub language: Option<WasmLanguage>,
    pub target: WasiTarget,
    pub optimize: bool,
    pub opt_level: String,
    pub wit_path: Option<PathBuf>,
    pub output_path: Option<PathBuf>,
    pub world: Option<String>,
    pub features: Vec<String>,
    pub build_args: HashMap<String, String>,
    pub pre_build: Vec<Vec<String>>,
    pub post_build: Vec<Vec<String>>,
    pub adapter: Option<PathBuf>,
}

Configuration for building a WASM component

Fields

language: Option<WasmLanguage>

Source language (None = auto-detect)

target: WasiTarget

Target WASI version

optimize: bool

Whether to optimize the output with wasm-opt (release mode)

opt_level: String

Optimization level for wasm-opt (default: “Oz”)

wit_path: Option<PathBuf>

Path to WIT files for component model

output_path: Option<PathBuf>

Override output path

world: Option<String>

Target WIT world name (e.g., “zlayer-http-handler”)

features: Vec<String>

Language-specific features to enable

build_args: HashMap<String, String>

Additional build arguments

pre_build: Vec<Vec<String>>

Pre-build commands to run

post_build: Vec<Vec<String>>

Post-build commands to run after compilation

adapter: Option<PathBuf>

Component adapter path for WASI preview1 -> preview2 lifting

Implementations

impl WasmBuildConfig

pub fn new() -> Self

Create a new default configuration

pub fn language(self, lang: WasmLanguage) -> Self

Set the source language

pub fn target(self, target: WasiTarget) -> Self

Set the WASI target

pub fn optimize(self, optimize: bool) -> Self

Enable optimization

pub fn wit_path(self, path: impl Into<PathBuf>) -> Self

Set the WIT path

pub fn output_path(self, path: impl Into<PathBuf>) -> Self

Set the output path

pub fn opt_level(self, level: impl Into<String>) -> Self

Set the optimization level for wasm-opt

pub fn world(self, world: impl Into<String>) -> Self

Set the target WIT world name

pub fn features(self, features: Vec<String>) -> Self

Set language-specific features to enable

pub fn build_args(self, args: HashMap<String, String>) -> Self

Set additional build arguments

pub fn pre_build(self, commands: Vec<Vec<String>>) -> Self

Set pre-build commands

pub fn post_build(self, commands: Vec<Vec<String>>) -> Self

Set post-build commands

pub fn adapter(self, path: impl Into<PathBuf>) -> Self

Set the component adapter path

Trait Implementations

impl Clone for WasmBuildConfig

fn clone(&self) -> WasmBuildConfig

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for WasmBuildConfig

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for WasmBuildConfig

fn default() -> Self

Returns the “default value” for a type.