Core component of Barnard59 Linked Data pipelines
npm install barnard59-coreThe core component of Barnard59 Linked Data pipelines to create and run pipelines.
The package exports multiple functions which can be imported like this:
```
import { createPipeline, run } from 'barnard59-core'
Creates a new Pipeline object based on the definition given as graph pointer in ptr.
The function accepts the following arguments:
- ptr: A graph pointer to the pipeline definition.basePath
- : Optional an alternative base path given as string, which is used by the code loaders.context
- : Additional optional properties which will be merged into the loader context.logger
- : An optional alternative winston logger instance that should be used.defaultLogger()
See if you want to create a logger based on the default logger settings.variables
- : Additional optional variables which will be merged into the pipeline variables.
Creates an instance of a loader registry that contains all default loaders.
The function can be used to create custom registry instances based on the defaults.
The function accepts the following arguments:
- console (default: true)errorFilename
- (default: null)filename
- : (default: null)level
- : (default: error)
Wait for a pipeline to finish.
Optional calls .end() or .resume() on the stream of the pipeline to trigger processing.
The function accepts the following arguments:
- pipeline: The pipeline as Pipeline object.end
- : An optional flag, if true calls .end() on the stream of the pipeline. (default = false)resume
- : An optional flag, if true calls .resume() on the stream of the pipeline. (default = false`)