big documentation update - all public functions and classes are documented now

This commit is contained in:
Kevin Jahns
2018-03-05 03:03:40 +01:00
parent dc22a79ac4
commit a9b610479d
33 changed files with 2426 additions and 168 deletions

View File

@@ -30,6 +30,9 @@ export function getListItemIDByPosition (type, i) {
}
}
/**
* Abstract Yjs Type class
*/
export default class Type extends Item {
constructor () {
super()
@@ -39,6 +42,20 @@ export default class Type extends Item {
this._eventHandler = new EventHandler()
this._deepEventHandler = new EventHandler()
}
/**
* Compute the path from this type to the specified target.
*
* @example
* It should be accessible via `this.get(result[0]).get(result[1])..``
* const path = type.getPathTo(child)
* // assuming `type instanceof YArray`
* console.log(path) // might look like => [2, 'key1']
* child === type.get(path[0]).get(path[1])
*
* @param {YType} type Type target
* @return {Array<string>} Path to the target
*/
getPathTo (type) {
if (type === this) {
return []
@@ -65,6 +82,12 @@ export default class Type extends Item {
}
return path
}
/**
* @private
* Call event listeners with an event. This will also add an event to all
* parents (for `.observeDeep` handlers).
*/
_callEventHandler (transaction, event) {
const changedParentTypes = transaction.changedParentTypes
this._eventHandler.callEventListeners(transaction, event)
@@ -79,6 +102,14 @@ export default class Type extends Item {
type = type._parent
}
}
/**
* @private
* Helper method to transact if the y instance is available.
*
* TODO: Currently event handlers are not thrown when a type is not registered
* with a Yjs instance.
*/
_transact (f) {
const y = this._y
if (y !== null) {
@@ -87,18 +118,53 @@ export default class Type extends Item {
f(y)
}
}
/**
* Observe all events that are created on this type.
*
* @param {Function} f Observer function
*/
observe (f) {
this._eventHandler.addEventListener(f)
}
/**
* Observe all events that are created by this type and its children.
*
* @param {Function} f Observer function
*/
observeDeep (f) {
this._deepEventHandler.addEventListener(f)
}
/**
* Unregister an observer function.
*
* @param {Function} f Observer function
*/
unobserve (f) {
this._eventHandler.removeEventListener(f)
}
/**
* Unregister an observer function.
*
* @param {Function} f Observer function
*/
unobserveDeep (f) {
this._deepEventHandler.removeEventListener(f)
}
/**
* @private
* Integrate this type into the Yjs instance.
*
* * Save this struct in the os
* * This type is sent to other client
* * Observer functions are fired
*
* @param {Y} y The Yjs instance
*/
_integrate (y) {
super._integrate(y)
this._y = y
@@ -117,6 +183,15 @@ export default class Type extends Item {
integrateChildren(y, t)
}
}
/**
* @private
* Mark this Item as deleted.
*
* @param {Y} y The Yjs instance
* @param {boolean} createDelete Whether to propagate a message that this
* Type was deleted.
*/
_delete (y, createDelete) {
super._delete(y, createDelete)
y._transaction.changedTypes.delete(this)