as-transformer
MassaLabs as-transformer library.
An AssemblyScript transformer helper module.
The complete documentation of all available functions and objects can be found here:
To install this module, run the following command at your project root directory :
npm install -D @massalabs/as-transformer
The protobuf transformer needs protobuf compiler, protoc, to be installed.
Tell your editor where to find the transformer types in a typing file. For example assembly/types.d.ts
.
/// <reference types="@massalabs/as-transformer" />
You can use this transformer by adding --transform @massalabs/as-transformer
to your asc command.
For instance, to compile assembly/my_sc.ts
with this transformer you will execute:
npx asc --transform @massalabs/as-transformer assembly/my_sc.ts --target release --exportRuntime -o build/my_sc.wasm
This transformer loads the given file, encodes it to StaticArray<u8>
and then replace the call to file2ByteArray
by the encoded content.
Example:
export function main(_args: string): i32 {
const bytes = fileToByteArray('./build/sc.wasm'); // will read `build/sc.wasm`, will encode it in array and then put the result in a string used to initialize `bytes`.
const sc_addr = createSC(bytes);
call(sc_addr, "advance", "", 0);
generateEvent("SC deployed at addr: " + sc_addr);
return 0;
}
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