magic/npm/index.d.ts

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Add npm package and CI workflows The user-facing layer of the WASM port: a publishable npm package plus the GitHub Actions that build and ship it. * npm/package.json — publishes as `magic-vlsi-wasm`, ESM-only, HPND licensed, version tracks Magic's own VERSION file (8.3.637). Whitelists the published files and exposes index.js + index.d.ts. * npm/index.js, npm/index.d.ts — thin JS/TS wrapper around the four WASM exports. createMagic(opts) returns { init, runCommand, sourceFile, update, FS } so consumers can write into the Emscripten virtual filesystem and dispatch Magic commands from Node.js, browsers or Web Workers. * npm/build.sh — end-to-end build: locates emsdk (via PATH or EMSDK_DIR), runs distclean+configure+make in the right order (techs before mains so embed-files are present), copies magic.js / magic.wasm into npm/. Optional --release, --test, --pack flags. Preserves configure's exec bits across invocations. * npm/pack.sh — produces a reproducible npm tarball by touching every file to the build time and exporting SOURCE_DATE_EPOCH so pacote does not rewrite mtimes to its 1985 fallback. * npm/examples/ — runnable smoke tests for the four common workflows (extract, gds, drc, cif), driven by examples/all.js. Each example is self-contained and uses the bundled siliwiz technology. helpers.js encapsulates the boilerplate. * npm/LICENSE, npm/README.md — license text and consumer-facing docs (install, quick-start, API, examples, build-from-source, license, third-party content notice). * .github/workflows/main.yml — adds a `simple_build_wasm` job that installs a pinned emsdk (3.1.56), builds the WASM module, runs the example test suite and uploads the npm tarball as an artifact. Pinned for reproducibility against the post-build.sh patches; switchable to "latest" by commenting two lines. * .github/workflows/main-aarch64.yml — drops the now-redundant WASM ARM job. WASM is architecture-independent. * .github/workflows/npm-publish.yml — new workflow. Publishes to npm on `v*` tag pushes (manual `workflow_dispatch` supported as a dry-run). Uses the same pinned emsdk and pack.sh. Also sets FORCE_JAVASCRIPT_ACTIONS_TO_NODE24 in both workflows to silence the Node.js 20 deprecation warnings until actions/upload-artifact@v6 ships a Node-24 release.
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export interface MagicInstance {
/**
* Initialize Magic (idempotent safe to call multiple times).
* Returns 0 on success, non-zero on failure.
*/
init(): number;
/**
* Dispatch a single Magic command string.
* Calls init() automatically on the first invocation.
* Returns 0 on success, non-zero on failure.
*/
runCommand(command: string): number;
/**
* Read and execute a command file at the given virtual filesystem path.
* Calls init() automatically on the first invocation.
* Returns 0 on success, -1 if the file could not be opened.
*/
sourceFile(path: string): number;
/**
* Drive a display-update cycle.
* No-op in headless builds the null display driver suspends all redraws.
*/
update(): void;
/**
* Emscripten virtual filesystem.
* Use FS.writeFile / FS.readFile to pass layout files in and out of Magic.
* See https://emscripten.org/docs/api_reference/Filesystem-API.html
*/
FS: any;
}
/**
* Create a Magic WASM instance.
*
* @param options Emscripten module options. Useful keys:
* - `wasmBinary` Pre-fetched ArrayBuffer of magic.wasm (avoids a second fetch)
* - `print` Callback for stdout lines (default: console.log)
* - `printErr` Callback for stderr lines (default: console.error)
*
* @example
* ```js
* import createMagic from 'magic-vlsi-wasm';
*
* const { runCommand, FS } = await createMagic();
* FS.writeFile('/work/inv.mag', layoutBytes);
* runCommand('tech load sky130A');
* runCommand('load /work/inv');
* runCommand('gds write /work/inv');
* const gds = FS.readFile('/work/inv.gds');
* ```
*/
export default function createMagic(options?: Record<string, unknown>): Promise<MagicInstance>;
export { createMagic };