jan/web/plugin/activation-manager.ts
Louis 37c36363d8
refactor: plugin manager and execution as ts (#504)
* refactor: plugin manager and execution as ts

* chore: refactoring
2023-11-01 09:48:28 +07:00

93 lines
2.8 KiB
TypeScript

import Activation from './Activation'
import Plugin from './Plugin'
/**
* This object contains a register of plugin registrations to an activation points, and the means to work with them.
* @namespace activationPoints
*/
/**
* @constant {Array.<Activation>} activationRegister
* @private
* Store of activations used by the consumer
*/
const activationRegister: any[] = []
/**
* Register a plugin with its activation points (as defined in its manifest).
* @param {Plugin} plugin plugin object as provided by the main process.
* @returns {void}
* @alias activationPoints.register
*/
export function register(plugin: Plugin) {
if (!Array.isArray(plugin.activationPoints))
throw new Error(
`Plugin ${
plugin.name || 'without name'
} does not have any activation points set up in its manifest.`
)
for (const ap of plugin.activationPoints) {
// Ensure plugin is not already registered to activation point
const duplicate = activationRegister.findIndex(
(act) => act.plugin === plugin.name && act.activationPoint === ap
)
// Create new activation and add it to the register
if (duplicate < 0 && plugin.name && plugin.url)
activationRegister.push(new Activation(plugin.name, ap, plugin.url))
}
}
/**
* Trigger all activations registered to the given activation point. See {@link Plugin}.
* This will call the function with the same name as the activation point on the path specified in the plugin.
* @param {string} activationPoint Name of the activation to trigger
* @returns {Promise.<Boolean>} Resolves to true when the activations are complete.
* @alias activationPoints.trigger
*/
export async function trigger(activationPoint: string) {
// Make sure all triggers are complete before returning
await Promise.all(
// Trigger each relevant activation point from the register and return an array of trigger promises
activationRegister.reduce((triggered, act) => {
if (act.activationPoint === activationPoint) {
triggered.push(act.trigger())
}
return triggered
}, [])
)
return true
}
/**
* Remove a plugin from the activations register.
* @param {string} plugin Name of the plugin to remove.
* @returns {void}
* @alias activationPoints.remove
*/
export function remove(plugin: any) {
let i = activationRegister.length
while (i--) {
if (activationRegister[i].plugin === plugin) {
activationRegister.splice(i, 1)
}
}
}
/**
* Remove all activations from the activation register.
* @returns {void}
* @alias activationPoints.clear
*/
export function clear() {
activationRegister.length = 0
}
/**
* Fetch all activations.
* @returns {Array.<Activation>} Found extension points
* @alias activationPoints.get
*/
export function get() {
return [...activationRegister]
}