pcbjam/site/scripts/sync-demo-wasm.sh

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#!/usr/bin/env bash
# Mirror the gerbview WASM build outputs into the blog demo's local asset dir.
#
# Phase A (local verification) serves the viewer from these files. They are
# git-ignored (see site/.gitignore): the 52 MB gerbview.wasm must never be
# committed or shipped to Vercel — in production the heavy binaries live on
# Cloudflare R2 (see the blog-demo plan, Phase B). Re-run this after rebuilding
# gerbview to refresh the local copy.
set -euo pipefail
ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
SRC="$ROOT/output"
DST="$ROOT/site/public/gerber-demo/wasm"
mkdir -p "$DST"
for f in wx.js wx-dom.js gerbview.js gerbview.wasm images.tar.gz; do
if [[ ! -f "$SRC/$f" ]]; then
echo "ERROR: missing $SRC/$f — build gerbview first (docker/build.sh)." >&2
exit 1
fi
done
cp "$SRC/wx.js" "$DST/wx.js"
cp "$SRC/wx-dom.js" "$DST/wx-dom.js"
cp "$SRC/gerbview.js" "$DST/gerbview.js"
cp "$SRC/gerbview.wasm" "$DST/gerbview.wasm"
# Store the resources tarball WITHOUT a .gz extension: dev servers (Vite/sirv)
# and some CDNs auto-add `Content-Encoding: gzip` for `*.gz`, which makes the
# browser pre-decompress it — then KiCad's own gunzip fails. boot.js fetches
# this name and writes it into MEMFS as images.tar.gz.
cp "$SRC/images.tar.gz" "$DST/kicad-resources.bin"
for f in wx.js wx-dom.js gerbview.js gerbview.wasm kicad-resources.bin; do
echo "synced $f ($(du -h "$DST/$f" | cut -f1))"
done
echo "Local demo WASM ready at $DST"