0.6.6 support custom npm registry, but the `package/-/package-version.tgz` format is not support on [the cnpm registry](https://cnpmjs.org/). * https://registry.npmjs.org/esbuild-linux-64/-/esbuild-linux-64-0.6.7.tgz (ok) * https://r.cnpmjs.org/esbuild-linux-64/-/esbuild-linux-64-0.6.7.tgz (not found) 