turtle-ts-app-bundle

#!/usr/bin/env bash

path=${1:-"x/main.js"}

dir=$(dirname $path)
base=$(basename $path)
extension="${base##*.}"
plain="${base%.*}"

bundle="$dir/$plain.bundle.$extension"
minified="$dir/$plain.bundle.min.$extension"

polyfills="
	Array.prototype.at = function(index) {
		return index >= 0
			? this[index]
			: this[this.length + index]
	}
"

rollup $path \
	-p @rollup/plugin-node-resolve \
	-p @rollup/plugin-wasm \
	--format es \
	--file $bundle \
	&& echo "$polyfills$(cat $bundle)" > $bundle \
	&& terser $bundle \
		--module \
		--compress \
		--mangle \
		--source-map \
		--comments false \
		-o $minified;