Add jslib as a "real" dependency (#1876)

* Support split jslib

* Fix tests

* Bump jslib

webpack.config.js

@@ -171,9 +171,6 @@ const config = {
     },
     resolve: {
         extensions: ['.ts', '.js'],
-        alias: {
-            jslib: path.join(__dirname, 'jslib/src'),
-        },
         symlinks: false,
         modules: [path.resolve('node_modules')],
     },