fix: handle parsing variable `of`

closes privatenumber#556

fix(cjs): support file url (privatenumber#18)

perf: skip parsing if `import(` is not found in minified code

fix: expose types for `esm/api` (privatenumber#551)

Co-authored-by: Hiroki Osame <[email protected]>

fix(esm): dont add namespace query to bare specifier (privatenumber#21)

feat(esm api): register to return a namespaced import() method

fix(esm api): warn on missing module.register

fix(tsImport): import module from commonjs

fix: import implicit extensions from packages

fixes privatenumber#542

fix(esm): resolve absolute paths (privatenumber#544)

Co-authored-by: Hiroki Osame <[email protected]>