css/script/selector-diff-report

#!/bin/bash
set -e

function log() {
    echo "$@" 1>&2
}

# TODO: update this to pull from @primer/css
old_path="primer/build/data.json"
log "Pulling the old $old_path ..."
curl -sL "https://unpkg.com/$old_path" > before.json

log "Building the stats locally..."
npm run dist
cp dist/stats/primer.json after.json

function list_selectors() {
    jq -r '.cssstats.selectors.values[]' $1 | sort
}

jq -r '.cssstats.selectors.values[]' before.json > before.txt
jq -r '.selectors.values[]' after.json > after.txt

(diff before.txt after.txt | tee selector-diff.log) || log "(no diff!)"
rm {before,after}.{json,txt}