Function loadTheme

loadTheme(
    filePath: string,
    io?: {
        readBinary?: (path: string) => Buffer;
        readFile?: (path: string) => string;
    },
): InvoiceTheme
Load a theme from a JSON file.

A logoFile field is read relative to the theme file and inlined, so a theme can be checked in next to its logo and stay portable.
Parameters
- filePath: string
- io: { readBinary?: (path: string) => Buffer; readFile?: (path: string) => string } = {}
Returns InvoiceTheme
- Defined in packages/invoicing/src/theme.ts:220