ic-cdk-optimizer 0.3.5

WASM Optimizer for the IC CDK (experimental).
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use crate::passes::{OptimizationPass, PassResult};
use binaryen::{CodegenConfig, Module};

pub struct BinaryenPass;

impl OptimizationPass for BinaryenPass {
    fn short_name(&self) -> String {
        String::from("binaryen")
    }

    fn description(&self) -> String {
        String::from("Execute a binaryen optimization pass on your WASM.")
    }

    fn opt(&self, wasm: &[u8]) -> PassResult {
        let mut module =
            Module::read(wasm).map_err(|_| String::from("Could not load module..."))?;

        module.optimize(&CodegenConfig {
            debug_info: false,
            optimization_level: 2,
            shrink_level: 2,
        });

        Ok(module.write())
    }
}