Runs one of the Golang gioui samples as a locally hosted WASM application

run-gio-ui-example-as-wasm.sh

#!/usr/bin/env bash

# This script is nothing crazy, it just wraps up the stuff I needed from https://gioui.org/doc/install/wasm so I can run things with a one-liner

if [ -z "$1" ]; then
  echo "No sample specified, defaulting to kitchen"
  SAMPLE="kitchen"
else
  SAMPLE=$1
  echo "Attempting to run $SAMPLE sample as a WASM application"
fi

cleanup() {
  if [ -z "$bg_pid" ]; then
    echo "No background process to kill"
    return
  fi

  echo "Script exiting, killing background process... $bg_pid"
  kill "$bg_pid"
}

trap cleanup EXIT

mkdir -p build/"$SAMPLE"
cd build/"$SAMPLE" || exit

go install gioui.org/cmd/gogio@latest
gogio -target js gioui.org/example/"$SAMPLE"
go install github.com/shurcooL/goexec@latest
go get github.com/shurcooL/go-goon

goexec "http.ListenAndServe(\":8080\", http.FileServer(http.Dir(\"$SAMPLE\")))" & bg_pid=$!

open http://localhost:8080

wait $bg_pid