Function fsl_to_svg_string

fsl_to_svg_string(fsl: string, opts?: VizRenderOpts): Promise<string>
Render an FSL string directly to SVG.
```
const svg = await fsl_to_svg_string('a -> b;');
const svg_neato = await fsl_to_svg_string('a -> b;', { engine: 'neato' });
```
Parameters
- fsl: string
  The FSL source.
- opts: VizRenderOpts = {}
  Optional render flags. See VizRenderOpts.
Returns Promise<string>
A promise resolving to an SVG XML string.
- Defined in src/ts/jssm_viz.ts:1599