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feat: libs 0002 — /mnt/pcbjam lib URIs + mount point seed; bump kicad

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Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Gergő Törcsvári 2026-06-12 17:05:59 +02:00
commit 29a7dcc233
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3 changed files with 22 additions and 13 deletions
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5
web/standalone/src/wasm/boot.ts
View file

@ -7,6 +7,7 @@ import {
} from "./constants";
import {
installSpikeLibsProvider,
PCBJAM_LIB_MOUNT,
SPIKE_LIB_TABLE_ROW,
} from "./libs/spike-provider";
@ -163,6 +164,10 @@ async function doBoot(opts: BootOptions): Promise<void> {
const seedKicadConfig = () => {
const FS = moduleFS();
FS.mkdirTree(KICAD_CONFIG_DIR);
// libs: the mount point that pcbjam lib URIs (/mnt/pcbjam/<lib>) live under.
// A real dir so any incidental existence check on the URI passes; the lib
// contents themselves are served virtually via window.kicadLibs.
FS.mkdirTree(PCBJAM_LIB_MOUNT);
const writeIfAbsent = (path: string, contents: string) => {
if (FS.analyzePath(path).exists) return;
FS.writeFile(path, contents);

28
web/standalone/src/wasm/libs/spike-provider.ts
View file

@ -15,7 +15,16 @@
*/
export const SPIKE_LIB_NICKNAME = "pcbjam-spike";
export const SPIKE_LIB_URI = "pcbjam://spike";
/**
* pcbjam lib URIs are absolute POSIX paths under this prefix. Absolute so that
* KiCad's lib-table URI expansion (ExpandURI -> wxFileName::MakeAbsolute) is a
* no-op and the path reaches the plugin/provider unmangled — a "scheme://" URI
* gets rewritten to "/scheme:/..." against the cwd, which differs per project.
*/
export const PCBJAM_LIB_MOUNT = "/mnt/pcbjam";
export const PCBJAM_LIB_PREFIX = `${PCBJAM_LIB_MOUNT}/`;
export const SPIKE_LIB_URI = `${PCBJAM_LIB_PREFIX}spike`;
/** sym-lib-table row seeded at boot (see boot.ts seedKicadConfig). */
export const SPIKE_LIB_TABLE_ROW = ` (lib (name "${SPIKE_LIB_NICKNAME}")(type "PCBJAM")(uri "${SPIKE_LIB_URI}")(options "")(descr "pcbjam libs 0002 spike"))`;
@ -84,16 +93,11 @@ function artificialDelayMs(): number {
const sleep = (ms: number) => new Promise((r) => setTimeout(r, ms));
/**
* KiCad's lib-table path handling normalizes URIs as if they were file paths:
* "pcbjam://spike" arrives as "/pcbjam:/spike" or even
* "<project-dir>/pcbjam:/spike" (made absolute against the cwd). Recover the
* lib id after the "pcbjam:" marker. Finding for 0003: give the real plugin a
* path shape that survives normalization, or normalize C++-side.
*/
function libIdFromMangledUri(lib: string): string | null {
const m = lib.match(/pcbjam:\/*(.+)$/);
return m ? m[1] : null;
/** Recover the lib id from a "/mnt/pcbjam/<id>" URI (arrives unmangled). */
function libIdFromUri(lib: string): string | null {
return lib.startsWith(PCBJAM_LIB_PREFIX)
? lib.slice(PCBJAM_LIB_PREFIX.length)
: null;
}
export function installSpikeLibsProvider(log: (msg: string) => void): void {
@ -104,7 +108,7 @@ export function installSpikeLibsProvider(log: (msg: string) => void): void {
const request: KicadLibsRequest = async (op, lib, arg) => {
log(`[libs] request op=${op} lib=${lib} arg=${arg} (delay=${delay}ms)`);
if (libIdFromMangledUri(lib) !== "spike") return null;
if (libIdFromUri(lib) !== "spike") return null;
if (delay) await sleep(delay);
switch (op) {