Name	Type	Description
`metadata`	`FeatureFlagMetadata`	The `metadata` parameter is of type `FeatureFlagMetadata`, which likely contains information about a feature flag such as its key, description, status, and any other relevant data related to feature flags.

Returns¶

string[]

An array of strings containing the feature key from the provided FeatureFlagMetadata object.

Defined in¶

packages/feature-toggle/src/providers/feature-flag-action.provider.ts:97

_handleCustomFeatureLogic¶

▸ Private _handleCustomFeatureLogic(metadata): boolean | Promise<boolean>

The function _handleCustomFeatureLogic checks for a handler in the metadata options and calls the handler service if available.

Parameters¶

Name	Type	Description
`metadata`	`FeatureFlagMetadata`	The `metadata` parameter is of type `FeatureFlagMetadata` and contains information about a specific feature flag, such as its options and configuration.

Returns¶

boolean | Promise<boolean>

The method _handleCustomFeatureLogic is returning a boolean value or a Promise that resolves to a boolean value. If the handler is defined in the metadata.options and this.user is truthy, then it calls the handle method of handlerService with the metadata and this.user as arguments. If handlerService is not null or

Defined in¶

packages/feature-toggle/src/providers/feature-flag-action.provider.ts:145

_isFeatureAllowed¶

▸ Private _isFeatureAllowed(featureList, disabledFeatures, metadata): boolean

The function _isFeatureAllowed determines if a feature is allowed based on a list of features, disabled features, and feature flag metadata.

Parameters¶

Name	Type	Description
`featureList`	`string`[]	The `featureList` parameter is an array of strings that contains the list of features that you want to check for permission or enablement.
`disabledFeatures`	`string`[]	The `disabledFeatures` parameter is an array of strings that contains the list of features that are currently disabled or not allowed.
`metadata`	`FeatureFlagMetadata`	The `metadata` parameter in the `_isFeatureAllowed` function likely contains information related to feature flags, such as the options and operator used for filtering the feature list. It seems to be of type `FeatureFlagMetadata`.

Returns¶

boolean

A boolean value is being returned from the _isFeatureAllowed function.

Defined in¶

packages/feature-toggle/src/providers/feature-flag-action.provider.ts:125

_shouldSkipFeatureCheck¶

▸ Private _shouldSkipFeatureCheck(featureList): boolean

The function _shouldSkipFeatureCheck checks if the first element of a feature list is '*' and returns a boolean value.

Parameters¶

Name	Type	Description
`featureList`	`string`[]	FeatureList is an array of strings that contains a list of features.

Returns¶

boolean

a boolean value, which is determined by whether the length of the featureList array is greater than 0 and the first element of the array is equal to '*'.

Defined in¶

packages/feature-toggle/src/providers/feature-flag-action.provider.ts:109

action¶

▸ action(): Promise<boolean>

This TypeScript function checks if a user is allowed to access certain features based on feature flags and user settings.

Returns¶

Promise<boolean>

The action function returns a Promise<boolean>. The function first retrieves metadata using this.getMetadata(), then checks if the metadata and user exist. If either is missing, it returns true. It then proceeds to get a list of features, check if feature checking should be skipped, and verify if the user has disabled features. If disabled features are not available, an `InternalServerError

Defined in¶

packages/feature-toggle/src/providers/feature-flag-action.provider.ts:57

getStrategy¶

▸ getStrategy(operator): FilterStrategy

The getStrategy function returns a filtering strategy based on the specified operator or defaults to an OR strategy.

Parameters¶

Name	Type	Description
`operator`	`undefined` \| `FilterType`	The `operator` parameter in the `getStrategy` function is of type `FilterType \\| undefined`. It is used to determine the filtering strategy based on the specified `FilterType`. If no `operator` is provided, the function will default to using the OR filter strategy.

Returns¶

FilterStrategy

The getStrategy function returns a filtering strategy based on the operator specified in the decorator. It uses the filterStrategyMapping array to map the FilterType to the corresponding FilterStrategy. If the specified operator is found in the mapping, the corresponding strategy is returned. If not found, it defaults to using the OrFilterStrategy.

Defined in¶

packages/feature-toggle/src/providers/feature-flag-action.provider.ts:167

value¶

▸ value(): FeatureFlagFn

Returns¶

FeatureFlagFn

Implementation of¶

Provider.value

Defined in¶

packages/feature-toggle/src/providers/feature-flag-action.provider.ts:44