feat: libs 0003 — remote provider + example backend serving; bump kicad, shared
standalone: LibsSource abstraction (remote over the contract + static fallback), generic window.kicadLibs provider, sym-lib-table generated from the backend's lib list at boot (replaces the spike). backend: serve pre-built self-contained symbol bodies from LIBS_DIR (listLibs/listLibItems + raw item-body route). Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Gergő Törcsvári
parent
29a7dcc233
commit
d2d2c19a8c
12 changed files with 447 additions and 145 deletions
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@ -12,7 +12,12 @@ import {
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type Tool,
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} from "@pcbjam/shared";
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import { ChevronDown, ChevronUp } from "lucide-react";
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import { WASM_ASSET_BASE_URL, yjsProviderConfig, type DocSource } from "@/lib/config";
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import {
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libsSourceConfig,
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WASM_ASSET_BASE_URL,
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yjsProviderConfig,
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type DocSource,
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} from "@/lib/config";
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import { bootKicadTool } from "@/wasm/boot";
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import { memfsFilePath, memfsProjectDir } from "@/wasm/constants";
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import { driveProjectIntoTool, type ToolFile } from "@/wasm/kicad-runner";
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@ -437,6 +442,7 @@ export function WasmTool({
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log: append,
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onStatus: setStatus,
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onAbort: oom.onAbort,
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libsSource: libsSourceConfig(),
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});
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// Register the save sink before the file opens: from here on, every
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// editor File→Save (MEMFS write) is routed onward through saveBytes.
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@ -9,6 +9,9 @@ export const WASM_ASSET_BASE_URL =
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import.meta.env.VITE_WASM_ASSET_BASE_URL ?? "/wasm";
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import type { ProviderConfig, ProviderKind } from "@/wasm/collab";
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import { remoteLibsSource } from "@/wasm/libs/remote-source";
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import type { LibsSource } from "@/wasm/libs/source";
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import { staticLibsSource } from "@/wasm/libs/static-source";
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/**
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* Which Yjs collab provider this deployment uses (one active per env), and its
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@ -43,3 +46,18 @@ export type DocSource = "api" | "ydoc";
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export function docSourceConfig(): DocSource {
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return import.meta.env.VITE_DOC_SOURCE === "ydoc" ? "ydoc" : "api";
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}
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/**
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* Which library source backs the editor's symbol chooser (env `VITE_LIBS_SOURCE`):
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* "remote" (default) — fetch from the backend at `API_BASE_URL` over the
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* shared contract (origins served by the registry, or the
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* GPL example backend).
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* "static" — built-in offline example symbols (no backend).
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* "off" — disable libs (empty sym-lib-table).
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*/
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export function libsSourceConfig(): LibsSource | null {
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const kind = import.meta.env.VITE_LIBS_SOURCE ?? "remote";
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if (kind === "off") return null;
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if (kind === "static") return staticLibsSource();
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return remoteLibsSource(API_BASE_URL);
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}
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@ -5,11 +5,8 @@ import {
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TOOL_ARGV0,
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TOOL_NEEDS_CONFIG_SEED,
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} from "./constants";
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import {
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installSpikeLibsProvider,
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PCBJAM_LIB_MOUNT,
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SPIKE_LIB_TABLE_ROW,
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} from "./libs/spike-provider";
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import { buildSymLibTable, installLibsProvider, type LibsSource } from "./libs/source";
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import { PCBJAM_LIB_MOUNT } from "./libs/uri";
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/**
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* Boot a KiCad tool directly in the main React document — no iframe.
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@ -45,6 +42,9 @@ export interface BootOptions {
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/** OOM recovery hook (feature 0002): emscripten `abort()` routes here so a
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* soft OOM can respawn a fresh tab. Optional — boot works without it. */
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onAbort?: (what: string) => void;
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/** Library source backing `window.kicadLibs`. Null/omitted disables libs
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* (an empty sym-lib-table is seeded). Its libs become sym-lib-table rows. */
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libsSource?: LibsSource | null;
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}
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let booted: { tool: Tool; promise: Promise<void> } | null = null;
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@ -83,7 +83,7 @@ function loadScript(src: string): Promise<void> {
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}
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async function doBoot(opts: BootOptions): Promise<void> {
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const { tool, base, container, log, onStatus, onAbort } = opts;
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const { tool, base, container, log, onStatus, onAbort, libsSource } = opts;
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const w = window as ToolWindow;
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// The wasm reads the top-level frame geometry from a GLOBAL `mainWindow`
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@ -93,8 +93,21 @@ async function doBoot(opts: BootOptions): Promise<void> {
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// mismatches the viewport, breaking the whole AUI layout (toolbars/panels).
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(w as unknown as { mainWindow: HTMLElement }).mainWindow = container;
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// libs 0002 spike: must exist before any plugin call can suspend on it.
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installSpikeLibsProvider(log);
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// libs: install the provider (must exist before any plugin call can suspend
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// on it) and generate the sym-lib-table from the source's libs — both before
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// the wasm boots (the table is seeded in preRun below). No source → empty
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// table, libs disabled.
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let symLibTable = "(sym_lib_table\n (version 7)\n)\n";
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if (libsSource) {
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installLibsProvider(libsSource, log);
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try {
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const libsList = await libsSource.listLibs();
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symLibTable = buildSymLibTable(libsList);
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log(`[libs] seeded ${libsList.length} lib(s) into sym-lib-table`);
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} catch (e) {
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log(`[libs] listLibs failed, seeding empty table: ${String(e)}`);
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}
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}
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onStatus("Downloading…");
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@ -186,12 +199,9 @@ async function doBoot(opts: BootOptions): Promise<void> {
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2,
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),
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);
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// libs 0002 spike: one remote lib row; the PCBJAM plugin resolves it
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// through window.kicadLibs (installed in doBoot).
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writeIfAbsent(
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`${KICAD_CONFIG_DIR}/sym-lib-table`,
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`(sym_lib_table\n (version 7)\n${SPIKE_LIB_TABLE_ROW}\n)\n`,
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);
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// libs: rows generated in doBoot from the lib source; the PCBJAM plugin
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// resolves each via window.kicadLibs.
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writeIfAbsent(`${KICAD_CONFIG_DIR}/sym-lib-table`, symLibTable);
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writeIfAbsent(
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`${KICAD_CONFIG_DIR}/fp-lib-table`,
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"(fp_lib_table\n (version 7)\n)\n",
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44
web/standalone/src/wasm/libs/remote-source.ts
Normal file
44
web/standalone/src/wasm/libs/remote-source.ts
Normal file
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@ -0,0 +1,44 @@
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import { contract } from "@pcbjam/shared";
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import { initClient } from "@ts-rest/core";
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import type { LibInfo, LibItemInfo, LibsSource } from "./source";
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/**
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* A `LibsSource` backed by a contract-conforming backend (the closed registry
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* server, or the GPL example backend). List ops go through the ts-rest client;
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* item bodies stream from the raw text route `GET /api/libs/:lib/items/:kind/:name`
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* (binary/text does not round-trip ts-rest — same as file-byte download).
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*/
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export function remoteLibsSource(apiBase: string): LibsSource {
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const client = initClient(contract, { baseUrl: apiBase, baseHeaders: {} });
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return {
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async listLibs(): Promise<LibInfo[]> {
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const res = await client.listLibs();
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if (res.status !== 200) return [];
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return res.body.map((l) => ({
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id: l.id,
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name: l.name,
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description: l.description ?? null,
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}));
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},
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async listItems(libId: string): Promise<LibItemInfo[]> {
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const res = await client.listLibItems({ params: { lib: libId } });
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if (res.status !== 200) return [];
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return res.body.map((i) => ({ kind: i.kind, name: i.name }));
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},
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async getItemBody(
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libId: string,
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kind: string,
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name: string,
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): Promise<string | null> {
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const url =
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`${apiBase}/api/libs/${encodeURIComponent(libId)}/items/` +
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`${encodeURIComponent(kind)}/${encodeURIComponent(name)}`;
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const res = await fetch(url);
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if (!res.ok) return null;
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return await res.text();
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},
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};
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}
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114
web/standalone/src/wasm/libs/source.ts
Normal file
114
web/standalone/src/wasm/libs/source.ts
Normal file
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@ -0,0 +1,114 @@
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import { libIdFromUri, libUri } from "./uri";
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/**
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* The data a `LibsSource` provides. A source abstracts WHERE library data comes
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* from (a remote backend over the shared contract, a static public snapshot, a
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* local folder); the WASM-facing provider below is the same regardless.
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*/
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export interface LibInfo {
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/** Opaque id used in the lib-table URI (/mnt/pcbjam/<id>). */
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id: string;
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/** Display nickname for the sym-lib-table row. */
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name: string;
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description?: string | null;
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}
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export interface LibItemInfo {
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kind: string; // 'symbol' | 'footprint' | 'model3d'
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name: string;
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}
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export interface LibsSource {
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/** Libraries to expose to the editor (one sym-lib-table row each). */
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listLibs(): Promise<LibInfo[]>;
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/** Items in a library (by lib id). */
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listItems(libId: string): Promise<LibItemInfo[]>;
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/**
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* One self-contained item body (a complete `kicad_symbol_lib` s-expr), or
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* null if absent. `kind` is 'symbol' for now.
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*/
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getItemBody(libId: string, kind: string, name: string): Promise<string | null>;
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}
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/** The function the WASM `SCH_IO_PCBJAM_LIB` plugin calls via the JS bridge. */
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export type KicadLibsRequest = (
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op: string,
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lib: string,
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arg: string,
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) => Promise<string | null>;
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declare global {
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interface Window {
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kicadLibs?: { request: KicadLibsRequest };
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}
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}
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/** Optional artificial latency (`?libdelay=1500`) to exercise the bridge. */
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function artificialDelayMs(): number {
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const raw = new URLSearchParams(window.location.search).get("libdelay");
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const n = raw ? Number(raw) : 0;
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return Number.isFinite(n) && n > 0 ? n : 0;
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}
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const sleep = (ms: number) => new Promise((r) => setTimeout(r, ms));
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/** Escape a string for a KiCad s-expr quoted token. */
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function sexprEscape(s: string): string {
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return s.replace(/\\/g, "\\\\").replace(/"/g, '\\"');
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}
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/** Build sym-lib-table content (KiCad v7) with one PCBJAM row per lib. */
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export function buildSymLibTable(libsList: LibInfo[]): string {
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const rows = libsList.map((l) => {
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const descr = l.description ? sexprEscape(l.description) : "";
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return ` (lib (name "${sexprEscape(l.name)}")(type "PCBJAM")(uri "${libUri(
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l.id,
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)}")(options "")(descr "${descr}"))`;
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});
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return `(sym_lib_table\n (version 7)\n${rows.join("\n")}${
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rows.length ? "\n" : ""
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})\n`;
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}
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/**
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* Install `window.kicadLibs` backed by a `LibsSource`. The plugin calls
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* `request(op, "/mnt/pcbjam/<id>", arg)`:
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* "list" -> JSON {"symbols":[...]} (symbol names in the lib)
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* "get" -> the item body s-expr (arg = symbol name)
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*/
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export function installLibsProvider(
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source: LibsSource,
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log: (msg: string) => void,
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): void {
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if (window.kicadLibs) return;
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const delay = artificialDelayMs();
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const request: KicadLibsRequest = async (op, lib, arg) => {
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const id = libIdFromUri(lib);
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log(`[libs] request op=${op} lib=${lib} (id=${id}) arg=${arg}`);
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if (!id) return null;
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if (delay) await sleep(delay);
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try {
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switch (op) {
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case "list": {
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const items = await source.listItems(id);
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const symbols = items
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.filter((i) => i.kind === "symbol")
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.map((i) => i.name);
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return JSON.stringify({ symbols });
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}
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case "get":
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return await source.getItemBody(id, "symbol", arg);
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default:
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return null;
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}
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} catch (e) {
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log(`[libs] request failed: ${String(e)}`);
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return null;
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}
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};
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window.kicadLibs = { request };
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log("[libs] provider installed");
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}
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@ -1,128 +0,0 @@
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/**
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* libs 0002 spike: a static JS-side library provider.
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*
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* The kicad fork's SCH_IO_PCBJAM_LIB plugin (lib-table type "PCBJAM") calls
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* `globalThis.kicadLibs.request(op, lib, arg)` through an Asyncify suspension
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* (EM_ASYNC_JS) and blocks the C++ stack until the returned promise resolves:
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*
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* request("list", "pcbjam://spike", "") -> JSON {"symbols": [...]}
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* request("get", "pcbjam://spike", "R") -> full kicad_symbol_lib s-expr
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* document holding that symbol
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*
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* This stub serves two handcrafted symbols from memory — no server. An
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* artificial delay (`?libdelay=1500` in the URL) exercises the reentrancy
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* question: the tab must stay alive while C++ is suspended mid-fetch.
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*/
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export const SPIKE_LIB_NICKNAME = "pcbjam-spike";
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/**
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* pcbjam lib URIs are absolute POSIX paths under this prefix. Absolute so that
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* KiCad's lib-table URI expansion (ExpandURI -> wxFileName::MakeAbsolute) is a
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* no-op and the path reaches the plugin/provider unmangled — a "scheme://" URI
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* gets rewritten to "/scheme:/..." against the cwd, which differs per project.
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*/
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export const PCBJAM_LIB_MOUNT = "/mnt/pcbjam";
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export const PCBJAM_LIB_PREFIX = `${PCBJAM_LIB_MOUNT}/`;
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export const SPIKE_LIB_URI = `${PCBJAM_LIB_PREFIX}spike`;
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/** sym-lib-table row seeded at boot (see boot.ts seedKicadConfig). */
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export const SPIKE_LIB_TABLE_ROW = ` (lib (name "${SPIKE_LIB_NICKNAME}")(type "PCBJAM")(uri "${SPIKE_LIB_URI}")(options "")(descr "pcbjam libs 0002 spike"))`;
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const wrapLib = (symbolBody: string) =>
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`(kicad_symbol_lib (version 20241209) (generator "pcbjam") (generator_version "0.1")
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${symbolBody}
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)
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`;
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const SYMBOLS: Record<string, string> = {
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R: ` (symbol "R" (pin_numbers hide) (pin_names (offset 0)) (exclude_from_sim no) (in_bom yes) (on_board yes)
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(property "Reference" "R" (at 2.032 0 90) (effects (font (size 1.27 1.27))))
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(property "Value" "R" (at 0 0 90) (effects (font (size 1.27 1.27))))
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(property "Footprint" "" (at -1.778 0 90) (effects (font (size 1.27 1.27)) hide))
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(property "Datasheet" "~" (at 0 0 0) (effects (font (size 1.27 1.27)) hide))
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(property "Description" "Resistor (pcbjam spike)" (at 0 0 0) (effects (font (size 1.27 1.27)) hide))
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(property "ki_keywords" "R res resistor" (at 0 0 0) (effects (font (size 1.27 1.27)) hide))
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(symbol "R_0_1"
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(rectangle (start -1.016 -2.54) (end 1.016 2.54) (stroke (width 0.254) (type default)) (fill (type none)))
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)
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(symbol "R_1_1"
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(pin passive line (at 0 3.81 270) (length 1.27)
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(name "~" (effects (font (size 1.27 1.27)))) (number "1" (effects (font (size 1.27 1.27)))))
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(pin passive line (at 0 -3.81 90) (length 1.27)
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(name "~" (effects (font (size 1.27 1.27)))) (number "2" (effects (font (size 1.27 1.27)))))
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)
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)`,
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C: ` (symbol "C" (pin_numbers hide) (pin_names (offset 0.254)) (exclude_from_sim no) (in_bom yes) (on_board yes)
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(property "Reference" "C" (at 0.635 2.54 0) (effects (font (size 1.27 1.27)) (justify left)))
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(property "Value" "C" (at 0.635 -2.54 0) (effects (font (size 1.27 1.27)) (justify left)))
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(property "Footprint" "" (at 0.9652 -3.81 0) (effects (font (size 1.27 1.27)) hide))
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(property "Datasheet" "~" (at 0 0 0) (effects (font (size 1.27 1.27)) hide))
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(property "Description" "Capacitor (pcbjam spike)" (at 0 0 0) (effects (font (size 1.27 1.27)) hide))
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(property "ki_keywords" "cap capacitor" (at 0 0 0) (effects (font (size 1.27 1.27)) hide))
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(symbol "C_0_1"
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(polyline (pts (xy -2.032 -0.762) (xy 2.032 -0.762)) (stroke (width 0.508) (type default)) (fill (type none)))
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(polyline (pts (xy -2.032 0.762) (xy 2.032 0.762)) (stroke (width 0.508) (type default)) (fill (type none)))
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)
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(symbol "C_1_1"
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(pin passive line (at 0 3.81 270) (length 2.794)
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(name "~" (effects (font (size 1.27 1.27)))) (number "1" (effects (font (size 1.27 1.27)))))
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(pin passive line (at 0 -3.81 90) (length 2.794)
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(name "~" (effects (font (size 1.27 1.27)))) (number "2" (effects (font (size 1.27 1.27)))))
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)
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)`,
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};
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export type KicadLibsRequest = (
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op: string,
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lib: string,
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arg: string,
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) => Promise<string | null>;
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declare global {
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interface Window {
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kicadLibs?: { request: KicadLibsRequest };
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}
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}
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function artificialDelayMs(): number {
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const raw = new URLSearchParams(window.location.search).get("libdelay");
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const n = raw ? Number(raw) : 0;
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return Number.isFinite(n) && n > 0 ? n : 0;
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}
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const sleep = (ms: number) => new Promise((r) => setTimeout(r, ms));
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|
||||
/** 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 {
|
||||
if (window.kicadLibs) return;
|
||||
|
||||
const delay = artificialDelayMs();
|
||||
|
||||
const request: KicadLibsRequest = async (op, lib, arg) => {
|
||||
log(`[libs] request op=${op} lib=${lib} arg=${arg} (delay=${delay}ms)`);
|
||||
|
||||
if (libIdFromUri(lib) !== "spike") return null;
|
||||
if (delay) await sleep(delay);
|
||||
|
||||
switch (op) {
|
||||
case "list":
|
||||
return JSON.stringify({ symbols: Object.keys(SYMBOLS) });
|
||||
case "get": {
|
||||
const body = SYMBOLS[arg];
|
||||
return body ? wrapLib(body) : null;
|
||||
}
|
||||
default:
|
||||
return null;
|
||||
}
|
||||
};
|
||||
|
||||
window.kicadLibs = { request };
|
||||
log(`[libs] spike provider installed (${SPIKE_LIB_URI})`);
|
||||
}
|
||||
78
web/standalone/src/wasm/libs/static-source.ts
Normal file
78
web/standalone/src/wasm/libs/static-source.ts
Normal file
|
|
@ -0,0 +1,78 @@
|
|||
import type { LibInfo, LibItemInfo, LibsSource } from "./source";
|
||||
|
||||
/**
|
||||
* A static, in-memory `LibsSource` — two handcrafted symbols, no backend. The
|
||||
* offline fallback when no API base is configured (and the origin of the libs
|
||||
* 0002 spike). Keeps the editor's lib chooser populated in a bare checkout.
|
||||
*/
|
||||
|
||||
const STATIC_LIB: LibInfo = {
|
||||
id: "examples",
|
||||
name: "pcbjam-examples",
|
||||
description: "Built-in example symbols (offline)",
|
||||
};
|
||||
|
||||
const wrapLib = (symbolBody: string) =>
|
||||
`(kicad_symbol_lib (version 20241209) (generator "pcbjam") (generator_version "0.1")
|
||||
${symbolBody}
|
||||
)
|
||||
`;
|
||||
|
||||
const SYMBOLS: Record<string, string> = {
|
||||
R: ` (symbol "R" (pin_numbers hide) (pin_names (offset 0)) (exclude_from_sim no) (in_bom yes) (on_board yes)
|
||||
(property "Reference" "R" (at 2.032 0 90) (effects (font (size 1.27 1.27))))
|
||||
(property "Value" "R" (at 0 0 90) (effects (font (size 1.27 1.27))))
|
||||
(property "Footprint" "" (at -1.778 0 90) (effects (font (size 1.27 1.27)) hide))
|
||||
(property "Datasheet" "~" (at 0 0 0) (effects (font (size 1.27 1.27)) hide))
|
||||
(property "Description" "Resistor (pcbjam example)" (at 0 0 0) (effects (font (size 1.27 1.27)) hide))
|
||||
(property "ki_keywords" "R res resistor" (at 0 0 0) (effects (font (size 1.27 1.27)) hide))
|
||||
(symbol "R_0_1"
|
||||
(rectangle (start -1.016 -2.54) (end 1.016 2.54) (stroke (width 0.254) (type default)) (fill (type none)))
|
||||
)
|
||||
(symbol "R_1_1"
|
||||
(pin passive line (at 0 3.81 270) (length 1.27)
|
||||
(name "~" (effects (font (size 1.27 1.27)))) (number "1" (effects (font (size 1.27 1.27)))))
|
||||
(pin passive line (at 0 -3.81 90) (length 1.27)
|
||||
(name "~" (effects (font (size 1.27 1.27)))) (number "2" (effects (font (size 1.27 1.27)))))
|
||||
)
|
||||
)`,
|
||||
C: ` (symbol "C" (pin_numbers hide) (pin_names (offset 0.254)) (exclude_from_sim no) (in_bom yes) (on_board yes)
|
||||
(property "Reference" "C" (at 0.635 2.54 0) (effects (font (size 1.27 1.27)) (justify left)))
|
||||
(property "Value" "C" (at 0.635 -2.54 0) (effects (font (size 1.27 1.27)) (justify left)))
|
||||
(property "Footprint" "" (at 0.9652 -3.81 0) (effects (font (size 1.27 1.27)) hide))
|
||||
(property "Datasheet" "~" (at 0 0 0) (effects (font (size 1.27 1.27)) hide))
|
||||
(property "Description" "Capacitor (pcbjam example)" (at 0 0 0) (effects (font (size 1.27 1.27)) hide))
|
||||
(property "ki_keywords" "cap capacitor" (at 0 0 0) (effects (font (size 1.27 1.27)) hide))
|
||||
(symbol "C_0_1"
|
||||
(polyline (pts (xy -2.032 -0.762) (xy 2.032 -0.762)) (stroke (width 0.508) (type default)) (fill (type none)))
|
||||
(polyline (pts (xy -2.032 0.762) (xy 2.032 0.762)) (stroke (width 0.508) (type default)) (fill (type none)))
|
||||
)
|
||||
(symbol "C_1_1"
|
||||
(pin passive line (at 0 3.81 270) (length 2.794)
|
||||
(name "~" (effects (font (size 1.27 1.27)))) (number "1" (effects (font (size 1.27 1.27)))))
|
||||
(pin passive line (at 0 -3.81 90) (length 2.794)
|
||||
(name "~" (effects (font (size 1.27 1.27)))) (number "2" (effects (font (size 1.27 1.27)))))
|
||||
)
|
||||
)`,
|
||||
};
|
||||
|
||||
export function staticLibsSource(): LibsSource {
|
||||
return {
|
||||
async listLibs(): Promise<LibInfo[]> {
|
||||
return [STATIC_LIB];
|
||||
},
|
||||
async listItems(libId: string): Promise<LibItemInfo[]> {
|
||||
if (libId !== STATIC_LIB.id) return [];
|
||||
return Object.keys(SYMBOLS).map((name) => ({ kind: "symbol", name }));
|
||||
},
|
||||
async getItemBody(
|
||||
libId: string,
|
||||
_kind: string,
|
||||
name: string,
|
||||
): Promise<string | null> {
|
||||
if (libId !== STATIC_LIB.id) return null;
|
||||
const body = SYMBOLS[name];
|
||||
return body ? wrapLib(body) : null;
|
||||
},
|
||||
};
|
||||
}
|
||||
20
web/standalone/src/wasm/libs/uri.ts
Normal file
20
web/standalone/src/wasm/libs/uri.ts
Normal file
|
|
@ -0,0 +1,20 @@
|
|||
/**
|
||||
* pcbjam lib URIs are absolute POSIX paths under this mount. 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}/`;
|
||||
|
||||
/** The lib-table URI for a lib id. */
|
||||
export function libUri(id: string): string {
|
||||
return `${PCBJAM_LIB_PREFIX}${id}`;
|
||||
}
|
||||
|
||||
/** Recover the lib id from a "/mnt/pcbjam/<id>" URI (arrives unmangled). */
|
||||
export function libIdFromUri(uri: string): string | null {
|
||||
return uri.startsWith(PCBJAM_LIB_PREFIX)
|
||||
? uri.slice(PCBJAM_LIB_PREFIX.length)
|
||||
: null;
|
||||
}
|
||||
Loading…
Reference in a new issue