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feat(standalone): cdn libs source (C1.1) — full KiCad set from R2 static origins

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Backendless, read-only LibsSource that serves the full default symbol+footprint set from versioned immutable CDN snapshots. Each lib is an r2-idb-sync static origin opened as a one-layer SyncStack (1 bundle cold, 0 fetches warm, IDB-cached, offline) — the layer descriptor is built locally from lib id + tag, no resolve endpoint in the loop.

Wired via VITE_LIBS_SOURCE=cdn + VITE_LIBS_MANIFEST_URL; build-demo gains --lib-tag (points the demo at libs/kicad/<tag>/manifest.json; omitted keeps offline static). Unit-tested against a fake CDN built with the real encodeBundle/sha256Hex codecs, pinning the publish format.

Next: publish-libs.mjs (C1.2) emits this format over the full set; CI keyed by lib tag (C1.3).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
Gergő Törcsvári 2026-06-20 10:30:18 +02:00
commit 307a66dd77
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5 changed files with 238 additions and 3 deletions
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15
scripts/deploy/build-demo.mjs
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@ -26,6 +26,7 @@ function parseArgs(argv) {
tag: null,
cdn: "https://cdn.pcbjam.com",
repo: "https://github.com/emergence-engineering/pcbjam",
libTag: null,
};
for (let i = 2; i < argv.length; i++) {
const next = () => argv[++i];
@ -33,6 +34,9 @@ function parseArgs(argv) {
case "--tag": a.tag = next(); break;
case "--cdn": a.cdn = next(); break;
case "--repo": a.repo = next(); break;
// KiCad library snapshot tag (published once to libs/kicad/<libTag>/).
// Omitted ⇒ the offline built-in example symbols (back-compat).
case "--lib-tag": a.libTag = next(); break;
default: throw new Error(`unknown arg: ${argv[i]}`);
}
}
@ -74,8 +78,14 @@ function main() {
// Loaded folders import into a browser-local (IndexedDB) project — editable,
// persistent, exported via Download .zip — layered over the gallery.
VITE_LOCAL_PROJECTS: "idb",
// Built-in offline symbols (no backend); cross-tab collab only.
VITE_LIBS_SOURCE: "static",
// Libraries: the full KiCad set from versioned CDN static origins when a
// --lib-tag is given (read-only, IDB-cached); else built-in offline symbols.
...(a.libTag
? {
VITE_LIBS_SOURCE: "cdn",
VITE_LIBS_MANIFEST_URL: `${a.cdn}/libs/kicad/${a.libTag}/manifest.json`,
}
: { VITE_LIBS_SOURCE: "static" }),
VITE_YJS_PROVIDER: "broadcastchannel",
// Build identity for the version badge. The commit is the GPLv3
// corresponding-source pointer (pins the kicad + wxwidgets submodules).
@ -89,6 +99,7 @@ function main() {
console.log(` VITE_WASM_MANIFEST=${env.VITE_WASM_MANIFEST}`);
console.log(` VITE_PROJECT_MANIFEST_URL=${env.VITE_PROJECT_MANIFEST_URL}`);
console.log(` VITE_APP_TAG=${env.VITE_APP_TAG} VITE_GIT_SHA=${env.VITE_GIT_SHA || "(none)"}`);
console.log(` VITE_LIBS_SOURCE=${env.VITE_LIBS_SOURCE}${env.VITE_LIBS_MANIFEST_URL ? ` (${env.VITE_LIBS_MANIFEST_URL})` : ""}`);
// Keep the dev-only WASM symlink out of the bundle (it'd copy 100s of MB into
// dist/; the CDN serves it). In CI it isn't present, so this is a no-op there.