G-code Preview — API Reference
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    Interface GcodePreviewHandle

    interface GcodePreviewHandle {
        canvasRef: (el: null | HTMLCanvasElement) => void;
        controls: GcodePreviewControls;
        raw: {
            renderer: () => null | ToolpathRenderer;
            session: GcodeParseSession;
        };
        state: GcodePreviewState;
        cancel(): void;
        clearProgress(): void;
        dispose(): void;
        observeProgress(obs: ProgressObservation): null | MappedProgress;
        onEvent(cb: (e: PreviewEvent) => void): () => void;
        parse(
            input: ArrayBuffer | Uint8Array<ArrayBufferLike> | File,
            opts?: WireParseOptions,
        ): Promise<ParseOutcome>;
        tickProgress(nowMs: number): null | MappedProgress;
    }
    Index

    Properties

    canvasRef controls raw state

    Methods

    cancel clearProgress dispose observeProgress onEvent parse tickProgress

    Properties

    canvasRef: (el: null | HTMLCanvasElement) => void

    Attach as <canvas ref={preview.canvasRef} />; null detaches safely.

    controls: GcodePreviewControls
    raw: { renderer: () => null | ToolpathRenderer; session: GcodeParseSession }
    state: GcodePreviewState

    Current state snapshot — render-subscribed via useSyncExternalStore.

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