import { replaceExt } from "https://deno.land/x/pagic@v1.6.1/src/utils/mod.ts";
input: foo/bar.html replacement: _content.js output: foo/bar_content.js
import { replaceExt } from "https://deno.land/x/pagic@v1.6.1/src/utils/mod.ts";
input: foo/bar.html replacement: _content.js output: foo/bar_content.js