[ADF-4152] Restructured remaining doc folders and fixed links (#4441)

* [ADF-4152] Moved proc services cloud docs to subfolders

* [ADF-4152] Fixed links in PS cloud docs

* [ADF-4152] Added subfolders and checked links for extensions and insights docs

* [ADF-4152] Moved proc services cloud docs to subfolders

* [ADF-4152] Fixed links in PS cloud docs

* [ADF-4152] Added subfolders and checked links for extensions and insights docs

* [ADF-4152] Fixed links in Proc cloud, Insights and Extensions docs

* [ADF-4152] Updated links in user guide

* [ADF-4152] Fixed broken links in tutorials

* [ADF-4152] Fixed remaining links in core docs

* [ADF-4152] Fixed remaining links in proc services docs

* [ADF-4152] Fixed remaining links in content services docs

* [ADF-4152] Fixed links in breaking changes docs

* [ADF-4152] Updated main README index page

* [ADF-4152] Fixed glitches with preview ext component docs
This commit is contained in:
Andy Stark
2019-03-14 22:01:55 +00:00
committed by Eugenio Romano
parent 8edf92f325
commit 31479cfaa4
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---
Title: Extension Service
Added: v3.0.0
Status: Experimental
Last reviewed: 2018-12-17
---
# [Extension Service](../../../lib/extensions/src/lib/services/extension.service.ts "Defined in extension.service.ts")
Manages and runs basic extension functionality.
## Class members
### Methods
- **evaluateRule**(ruleId: `string`, context: [`RuleContext`](../../../lib/extensions/src/lib/config/rule.extensions.ts)): `boolean`<br/>
Evaluates a rule.
- _ruleId:_ `string` - ID of the rule to evaluate
- _context:_ [`RuleContext`](../../../lib/extensions/src/lib/config/rule.extensions.ts) - Parameter object for the evaluator with details of app state
- **Returns** `boolean` - True if the rule passed, false otherwise
- **getActionById**(id: `string`): [`ActionRef`](../../../lib/extensions/src/lib/config/action.extensions.ts)<br/>
Retrieves an action using its ID value.
- _id:_ `string` - The ID value to look for
- **Returns** [`ActionRef`](../../../lib/extensions/src/lib/config/action.extensions.ts) - Action or null if not found
- **getAuthGuards**(ids: `string[]`): `Array<Type<__type>>`<br/>
Retrieves one or more auth guards using an array of ID values.
- _ids:_ `string[]` - Array of ID value to look for
- **Returns** `Array<Type<__type>>` - Array of auth guards or empty array if none were found
- **getComponentById**(id: `string`): `Type<>`<br/>
Retrieves a registered [extension component](../../../lib/extensions/src/lib/services/component-register.service.ts) using its ID value.
- _id:_ `string` - The ID value to look for
- **Returns** `Type<>` - The component or null if not found
- **getEvaluator**(key: `string`): `RuleEvaluator`<br/>
Retrieves a RuleEvaluator function using its key name.
- _key:_ `string` - Key name to look for
- **Returns** `RuleEvaluator` - RuleEvaluator or null if not found
- **getFeature**(key: `string`): `any[]`<br/>
- _key:_ `string` -
- **Returns** `any[]` -
- **getRouteById**(id: `string`): [`RouteRef`](../../../lib/extensions/src/lib/config/routing.extensions.ts)<br/>
Retrieves a route using its ID value.
- _id:_ `string` - The ID value to look for
- **Returns** [`RouteRef`](../../../lib/extensions/src/lib/config/routing.extensions.ts) - The route or null if not found
- **getRuleById**(id: `string`): [`RuleRef`](../../../lib/extensions/src/lib/config/rule.extensions.ts)<br/>
Retrieves a rule using its ID value.
- _id:_ `string` - The ID value to look for
- **Returns** [`RuleRef`](../../../lib/extensions/src/lib/config/rule.extensions.ts) - The rule or null if not found
- **load**(): [`Promise`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Using_promises)`<`[`ExtensionConfig`](../../../lib/extensions/src/lib/config/extension.config.ts)`>`<br/>
Loads and registers an extension config file and plugins (specified by path properties).
- **Returns** [`Promise`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Using_promises)`<`[`ExtensionConfig`](../../../lib/extensions/src/lib/config/extension.config.ts)`>` - The loaded config data
- **runExpression**(value: `string`, context?: `any`): `any`<br/>
Runs a lightweight expression stored in a string.
- _value:_ `string` - String containing the expression or literal value
- _context:_ `any` - (Optional) Parameter object for the expression with details of app state
- **Returns** `any` - Result of evaluated expression, if found, or the literal value otherwise
- **setAuthGuards**(values: `Function`)<br/>
Adds one or more new auth guards to the existing set.
- _values:_ `Function` - The new auth guards to add
- **setComponents**(values: `Function`)<br/>
Adds one or more new components to the existing set.
- _values:_ `Function` - The new components to add
- **setEvaluators**(values: `Function`)<br/>
Adds one or more new rule evaluators to the existing set.
- _values:_ `Function` - The new evaluators to add
- **setup**(config: [`ExtensionConfig`](../../../lib/extensions/src/lib/config/extension.config.ts))<br/>
Registers extensions from a config object.
- _config:_ [`ExtensionConfig`](../../../lib/extensions/src/lib/config/extension.config.ts) - Object with config data
## Details
Use the methods of this service to add extensibility features to your app. You can find further
details in the [App extensions](../../user-guide/app-extensions.md) page.