Issue 5535 - Replace our module system with webpack

templates/modules.js.tmpl

-{%- if args["module"] -%}
-if (typeof require != "function")
-{
-  var require = function(module)
-  {
-    if (!(module in require.scopes))
-    {
-      let scope = {exports: {}};
-      require.scopes[module] = require.modules[module](scope, scope.exports);
-    }
-    return require.scopes[module];
-  };
-  require.modules = Object.create(null);
-  require.scopes = Object.create(null);
-}
-
-{% if args["injectinfomodule"] %}
-require.modules["info"] = function(module, exports)
-{
-{% if type == "gecko" %}
-{% include "geckoInfo.js.tmpl" %}
-{% elif type == "chrome" %}
-{% include "chromeInfo.js.tmpl" %}
-{% elif type == "edge" %}
-{% include "edgeInfo.js.tmpl" %}
-{% endif %}
-return module.exports;
-};
-{% endif %}
-
-{%- for module_name, script in modules -%}
-require.modules[{{ module_name|json }}] = function(module, exports)
-{
-{{ script }}
-return module.exports;
-};
-
-{% endfor -%}
-{%- set modules = dict(modules) -%}
-{%- for module_name in args["autoload"] -%}
-{%- if module_name in modules -%}
-require({{ module_name|json }});
-{% endif %}
-{%- endfor -%}
-{%- else -%}
-{%- for module_name, script in modules -%}
-{{ script }}
-{% endfor -%}
-{%- endif -%}