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registry.md

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registry()

Allows custom registries to be plugged into the task system, which can provide shared tasks or augmented functionality.

Note: Only tasks registered with task() will be provided to the custom registry. The task functions passed directly to series() or parallel() will not be provided - if you need to customize the registry behavior, compose tasks with string references.

When assigning a new registry, each task from the current registry will be transferred and the current registry will be replaced with the new one. This allows for adding multiple custom registries in sequential order.

See Creating Custom Registries for details.

Usage

const { registry, task, series } = require('gulp');
const FwdRef = require('undertaker-forward-reference');

registry(FwdRef());

task('default', series('forward-ref'));

task('forward-ref', function(cb) {
  // body omitted
  cb();
});

Signature

registry([registryInstance])

Parameters

parameter type note
registryInstance object An instance - not the class - of a custom registry.

Returns

If a registryInstance is passed, nothing will be returned. If no arguments are passed, returns the current registry instance.

Errors

When a constructor (instead of an instance) is passed as registryInstance, throws an error with the message, "Custom registries must be instantiated, but it looks like you passed a constructor".

When a registry without a get method is passed as registryInstance, throws an error with the message, "Custom registry must have get function".

When a registry without a set method is passed as registryInstance, throws an error with the message, "Custom registry must have set function".

When a registry without an init method is passed as registryInstance, throws an error with the message, "Custom registry must have init function"

When a registry without a tasks method is passed as registryInstance, throws an error with the message, "Custom registry must have tasks function".