Host.arrayBufferToBase64 panics #119
Description
Repro:
export function greet() {
const base64String = "SGVsbG8g8J+MjSBXb3JsZCHwn4yN";
console.log('decoding string:', base64String);
const decodedBuffer = Host.base64ToArrayBuffer(base64String);
const decodedString = new TextDecoder().decode(decodedBuffer);
console.log('decoded string:', decodedString);
const encodedBuffer = Host.arrayBufferToBase64(decodedBuffer);
console.log('encoded string:', encodedBuffer);
Host.outputString(`Hello, ${Host.inputString()}`)
}v1.3.3:
mo@mo-dylibso:/mnt/d/x/extism/ts_plugin$ extism-js --version
extism-js 1.3.3
mo@mo-dylibso:/mnt/d/x/extism/ts_plugin$ npm run build && npm run test
> js-pdk-template@1.0.0 build
> tsc --noEmit && node esbuild.js && extism-js dist/index.js -i src/index.d.ts -o dist/plugin.wasm
> js-pdk-template@1.0.0 test
> extism call dist/plugin.wasm greet --input 'Mo' --wasi --log-level debug
2025/01/12 19:57:17 Calling function : greet
2025/01/12 19:57:17 decoding string: SGVsbG8g8J+MjSBXb3JsZCHwn4yN
2025/01/12 19:57:17 decoded string: Hello 🌍 World!🌍
Error: wasm error: unreachable
wasm stack trace:
.$1363(i32,i32,i32,i32,i32)
.$1496(i32,i32)
.$1487(i32,i32,i32)
.$1513(i32)
.$217(i32,i32) i32
.$1567(i32) i32
.$1584() i32
returned non-zero exit code: 1
v1.2.0:
mo@mo-dylibso:/mnt/d/x/extism/ts_plugin$ extism-js --version
extism-js 1.2.0
mo@mo-dylibso:/mnt/d/x/extism/ts_plugin$ npm run build && npm run test
> js-pdk-template@1.0.0 build
> tsc --noEmit && node esbuild.js && extism-js dist/index.js -i src/index.d.ts -o dist/plugin.wasm
> js-pdk-template@1.0.0 test
> extism call dist/plugin.wasm greet --input 'Mo' --wasi --log-level debug
2025/01/12 19:59:05 Calling function : greet
2025/01/12 19:59:05 decoding string: SGVsbG8g8J+MjSBXb3JsZCHwn4yN
2025/01/12 19:59:05 decoded string: Hello 🌍 World!🌍
2025/01/12 19:59:05 encoded string: SGVsbG8g8J+MjSBXb3JsZCHwn4yN
Hello, Mo