WebAssembly Text Playground CLI
A CLI to play around with and learn how to write the WebAssembly text format.
Setup
Install dependencies by running yarn and switch your Node version to v13 or later.
Usage examples
Print help message
node playground.mjs -h
Usage: node playground.mjs <pathToWatFile> [<pathToExecJsFile>] [-m <pathToImportsFile>] [-c <execCommand>]
Using a JS file
node playground.mjs examples/simple/simple.wat examples/simple/simple.mjs
42
Interactive mode
node playground.mjs examples/add-two.wat
Initialized with examples/add-two.wat. Use one of the following commands:
- list (list all exported methods)
- exit (exit program)
- Or calling one of your exported methods: addTwo
> addTwo(2, 5)
7
Executing a command directly
node playground.mjs examples/add-two.wat -c "addTwo(2, 2)"
4
Using imports
node playground.mjs examples/simple/simple.wat -m examples/log.imports.mjs
Initialized with examples/simple/simple.wat. Use one of the following commands:
- list (list all exported methods)
- exit (exit program)
- Or calling one of your exported methods: logValue
> logValue()
42
undefined