fix: don't break transform when there is no space between unnamed default exported function and generic parameter bracket

[brc-dd]

Currently it throws errors like this:

[!] (plugin dts) Error: Syntax not yet supported

  62 | }
  63 |
> 64 | declare functionexport_default<T extends Request = Request>(
     | ^^^^^^^
  65 |  options?: IOptions<T>
  66 | ): Polka<T>;
  67 |
node_modules/.pnpm/polka@1.0.0-next.25/node_modules/polka/index.d.mts
    at Transformer.convertStatement (file:///Users/divyansh/vitepress/node_modules/.pnpm/rollup-plugin-dts@6.1.0_rollup@4.17.2_typescript@5.4.5/node_modules/rollup-plugin-dts/dist/rollup-plugin-dts.mjs:1301:19)
    at new Transformer (file:///Users/divyansh/vitepress/node_modules/.pnpm/rollup-plugin-dts@6.1.0_rollup@4.17.2_typescript@5.4.5/node_modules/rollup-plugin-dts/dist/rollup-plugin-dts.mjs:1230:18)
    at convert (file:///Users/divyansh/vitepress/node_modules/.pnpm/rollup-plugin-dts@6.1.0_rollup@4.17.2_typescript@5.4.5/node_modules/rollup-plugin-dts/dist/rollup-plugin-dts.mjs:1221:25)
    at Object.transform (file:///Users/divyansh/vitepress/node_modules/.pnpm/rollup-plugin-dts@6.1.0_rollup@4.17.2_typescript@5.4.5/node_modules/rollup-plugin-dts/dist/rollup-plugin-dts.mjs:1668:31)
    at handleDtsFile (file:///Users/divyansh/vitepress/node_modules/.pnpm/rollup-plugin-dts@6.1.0_rollup@4.17.2_typescript@5.4.5/node_modules/rollup-plugin-dts/dist/rollup-plugin-dts.mjs:1805:54)
    at Object.transform (file:///Users/divyansh/vitepress/node_modules/.pnpm/rollup-plugin-dts@6.1.0_rollup@4.17.2_typescript@5.4.5/node_modules/rollup-plugin-dts/dist/rollup-plugin-dts.mjs:1840:24)
    at /Users/divyansh/vitepress/node_modules/.pnpm/rollup@4.17.2/node_modules/rollup/dist/shared/rollup.js:989:40

Input:

export default function<T extends Request = Request>(
	options?: IOptions<T>
): Polka<T>;

Please see added test for easier repro.

[brc-dd]

these are same as https://github.com/Swatinem/rollup-plugin-dts/tree/master/tests/testcases/issue-100-unnamed-default-export but without space between function and <T

[brc-dd]

@Swatinem Hi, sorry for the ping, but can a patch version be published? 🙏

[Swatinem]

👍🏻 published a patch version now, sorry for the delay.