The DataPlugin parses Argdown YAML front matter and YAML data of statements, arguments, headings or inferences.
In the ParserPlugin the Argdown lexer treats these sections as single tokens so that their contents are ignored by the Argdown parser. Instead the YAML parsing is done
afterwards in this plugin by traversing the produced AST and using the
js-yaml parser for parsing the content of the FrontMatter and Data tokens.
The parsed data is added to the AST nodes and the data model elements it is meant for. If multiple data sections exist for the same argument or equivalence class, the data is merged in order of appearance (last wins).
The front matter data is added to the topmost AST
argdown node and to the [[IDataResponse.frontMatter]] response property.
By default (or if
response.data.mergeFrontMatterIntoRequest is true) the front matter is also merged into the request object so that it can be used to configure subsequent plugins.
Depends on data of: ParserPlugin
The name of the plugin
Called each time the plugin's processor is run, before any other method of this plugin is called. Use this to add default settings to the request and to check that all required data is present in the response. If not, throw an ArgdownPluginError to cancel the the current processor's execution.
A map of ITokenNode event listeners. You can use tokenListeners to visit every token node in the Argdown abstract syntax tree.
The tree walker visits the nodes depth first and emits
[TokenNames.TOKEN_NAME] events for every ITokenNode encountered.
The eventId has to be a TokenNames member.
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