Bakefile

#!/bin/bash

DIST=qr.png

serve() {
  waiter --dev
}

inspect() {
  tot=2000
  cur=$(p:minify_js | p:inject_js | p:build_url | p:encode_url | wc -c | awk '{$1=$1;print}')
  per=$(echo "scale=2; ($cur / $tot) * 100" | bc)

  echo "max: $tot bytes"
  echo "cur: $cur bytes"
  echo
  echo "used $per% of available space"
}

build() {
  p:minify_js | p:inject_js | p:build_url | p:encode_url | p:generate_qr
}

copy() {
  p:minify_js | p:inject_js | p:build_url | p:encode_url | pbcopy
}

run() {
  open -a /Applications/Google\ Chrome.app "$(p:minify_js | p:inject_js | p:build_url)"
}

# Helpers for constructing the URL and QR code.

p:minify_js() {
  uglifyjs -mc unsafe --toplevel -- index.js
}

p:inject_js() {
  stdin=$(cat)
  cat index.html | python3 -c "import sys; print(sys.stdin.read().replace(sys.argv[1], sys.argv[2]))" '<script type=module src=index.js></script>' "<script type=module>$(echo $stdin)</script>"
}

p:build_url() {
  echo "data:text/html,$(cat | tr -d '\n')"
}

p:encode_url() {
  sed 's/#/%23/g' | sed 's/ /%20/g'
}

p:generate_qr() {
  qrencode -o $DIST
}