loviuz/MapComplete
1
0
Fork 0
forked from MapComplete/MapComplete
Code Pull requests Activity

Fixed the personal layer

Browse source
This commit is contained in:
Pieter Vander Vennet 2021-06-19 19:16:20 +02:00
parent bf7e6376c0
commit 106d9927aa
3 changed files with 110 additions and 118 deletions
Download patch file Download diff file Expand all files Collapse all files

13
Logic/UIEventSource.ts
View file

@ -92,9 +92,16 @@ export class UIEventSource<T> {
}
}
public map<J>(f: ((T) => J),
/**
* Monoidal map:
* Given a function 'f', will construct a new UIEventSource where the contents will always be "f(this.data)'
* @param f: The transforming function
* @param extraSources: also trigger the update if one of these sources change
* @param g: a 'backfunction to let the sync run in two directions. (data of the new UIEVEntSource, currentData) => newData
*/
public map<J>(f: ((t: T) => J),
extraSources: UIEventSource<any>[] = [],
g: ((J) => T) = undefined): UIEventSource<J> {
g: ((j:J, t:T) => T) = undefined): UIEventSource<J> {
const self = this;
const newSource = new UIEventSource<J>(
@ -113,7 +120,7 @@ export class UIEventSource<T> {
if (g !== undefined) {
newSource.addCallback((latest) => {
self.setData(g(latest));
self.setData(g(latest, self.data));
})
}