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import { send, Context } from './deps.ts';import { script } from './reloadScript.ts';import { Options } from './mod.ts';
export const staticMiddleware = ({    root,    port,    htmlExt = /.+\.htm[l]?|\/$/,}: Options) => async (context: Context) => {    await send(context, context.request.url.pathname, {        root,        index: 'index.html',    });    if (context.response.body && htmlExt.test(context.request.url.pathname)) {        const buf = await Deno.readAll(context.response.body as any);        let content = new TextDecoder().decode(buf);        content = injectScript(content, script(port));        context.response.headers.set('Content-Length', String(content.length));        context.response.body = content;    }};
function injectScript(source: string, script: string, tag = '</body>') {    if (source.indexOf(tag) !== -1) {        source = source.replace(tag, `${script}${tag}`);    } else {        source = `${source}${script}`;    }    return source;}