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OpenSCD-Core

OpenSCD-core is main application of OpenSCD-next. OpenSCD-core will be loaded once people open the application. OpenSCD-core sets the requirements for the plug-ins.

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The SCL doc editing is reponsible for manipulating the SCL. It takes care of the right sequince/order of SCL edits. For more information see OpenSCD-core handling SCL Edits.

OpenSCDPluginsOpenSCD Plugins

OpenSCD plug-in is a extension of an addition to OpenSCD-core to add functionality. This could be generic 61850 functionality or vendor/utility specific functionalitiy. Examples: datatemplate editor, substationsection editor, GOOSE editing etc.

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OpenSCD Components are reusable WebComponents. Components can be used by plug-ins to build functionality faster, plug-in authors can also decide to build everything themselves.

Examples: filterdlistst are used in many plug-ins. In order to re-use the code, and filteredlist component is build.

OpenSCD add-ons

OpenSCD addons are an extension of OpenSCD-core to split functionality. This functionality can be pure technical and requires no custom UI. Example for some OpenSCD addons are Wizarding, Validating, Waiting, etc.

OpenSCD addons will be a replacement for current mixins, so there is no or less need to fork  OpenSCD-core and to build mixins on top of the fork.

What are mixins: TypeScript: Documentation - Mixins (typescriptlang.org)