Function getBase64ImageMIMEType

getBase64ImageMIMEType(str): "image/gif" | "image/jpeg" | "image/jpg" | "image/png" | "image/svg+xml" | "image/webp"
get the mime type of a base64 image
Parameters
- str: `data:image/gif;base64,${string}` | `data:image/jpeg;base64,${string}` | `data:image/jpg;base64,${string}` | `data:image/png;base64,${string}` | `data:image/svg+xml;base64,${string}` | `data:image/webp;base64,${string}`
Returns "image/gif" | "image/jpeg" | "image/jpg" | "image/png" | "image/svg+xml" | "image/webp"
Example
```
const img_uri = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAD..."
const img_mime = getBase64ImageMIMEType(img_uri) // == "image/png"
```
- Defined in work/kitchensink_ts/kitchensink_ts/src/image.ts:53