forked from MapComplete/MapComplete
Reformat all files with prettier
This commit is contained in:
parent
e22d189376
commit
b541d3eab4
382 changed files with 50893 additions and 35566 deletions
|
|
@ -1,25 +1,27 @@
|
|||
import {Utils} from "../Utils";
|
||||
import { Utils } from "../Utils"
|
||||
|
||||
/**
|
||||
* Various static utils
|
||||
*/
|
||||
export class Stores {
|
||||
public static Chronic(millis: number, asLong: () => boolean = undefined): Store<Date> {
|
||||
const source = new UIEventSource<Date>(undefined);
|
||||
const source = new UIEventSource<Date>(undefined)
|
||||
|
||||
function run() {
|
||||
source.setData(new Date());
|
||||
source.setData(new Date())
|
||||
if (asLong === undefined || asLong()) {
|
||||
window.setTimeout(run, millis);
|
||||
window.setTimeout(run, millis)
|
||||
}
|
||||
}
|
||||
|
||||
run();
|
||||
return source;
|
||||
run()
|
||||
return source
|
||||
}
|
||||
|
||||
public static FromPromiseWithErr<T>(promise: Promise<T>): Store<{ success: T } | { error: any }> {
|
||||
return UIEventSource.FromPromiseWithErr(promise);
|
||||
public static FromPromiseWithErr<T>(
|
||||
promise: Promise<T>
|
||||
): Store<{ success: T } | { error: any }> {
|
||||
return UIEventSource.FromPromiseWithErr(promise)
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -30,13 +32,13 @@ export class Stores {
|
|||
*/
|
||||
public static FromPromise<T>(promise: Promise<T>): Store<T> {
|
||||
const src = new UIEventSource<T>(undefined)
|
||||
promise?.then(d => src.setData(d))
|
||||
promise?.catch(err => console.warn("Promise failed:", err))
|
||||
promise?.then((d) => src.setData(d))
|
||||
promise?.catch((err) => console.warn("Promise failed:", err))
|
||||
return src
|
||||
}
|
||||
|
||||
public static flatten<X>(source: Store<Store<X>>, possibleSources?: Store<any>[]): Store<X> {
|
||||
return UIEventSource.flatten(source, possibleSources);
|
||||
return UIEventSource.flatten(source, possibleSources)
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -55,50 +57,49 @@ export class Stores {
|
|||
*/
|
||||
public static ListStabilized<T>(src: Store<T[]>): Store<T[]> {
|
||||
const stable = new UIEventSource<T[]>(undefined)
|
||||
src.addCallbackAndRun(list => {
|
||||
src.addCallbackAndRun((list) => {
|
||||
if (list === undefined) {
|
||||
stable.setData(undefined)
|
||||
return;
|
||||
return
|
||||
}
|
||||
const oldList = stable.data
|
||||
if (oldList === list) {
|
||||
return;
|
||||
return
|
||||
}
|
||||
if(oldList == list){
|
||||
return;
|
||||
if (oldList == list) {
|
||||
return
|
||||
}
|
||||
if (oldList === undefined || oldList.length !== list.length) {
|
||||
stable.setData(list);
|
||||
return;
|
||||
stable.setData(list)
|
||||
return
|
||||
}
|
||||
|
||||
for (let i = 0; i < list.length; i++) {
|
||||
if (oldList[i] !== list[i]) {
|
||||
stable.setData(list);
|
||||
return;
|
||||
stable.setData(list)
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
// No actual changes, so we don't do anything
|
||||
return;
|
||||
return
|
||||
})
|
||||
return stable
|
||||
}
|
||||
}
|
||||
|
||||
export abstract class Store<T> {
|
||||
abstract readonly data: T;
|
||||
abstract readonly data: T
|
||||
|
||||
/**
|
||||
* OPtional value giving a title to the UIEventSource, mainly used for debugging
|
||||
*/
|
||||
public readonly tag: string | undefined;
|
||||
|
||||
public readonly tag: string | undefined
|
||||
|
||||
constructor(tag: string = undefined) {
|
||||
this.tag = tag;
|
||||
if ((tag === undefined || tag === "")) {
|
||||
let createStack = Utils.runningFromConsole;
|
||||
this.tag = tag
|
||||
if (tag === undefined || tag === "") {
|
||||
let createStack = Utils.runningFromConsole
|
||||
if (!Utils.runningFromConsole) {
|
||||
createStack = window.location.hostname === "127.0.0.1"
|
||||
}
|
||||
|
|
@ -109,49 +110,51 @@ export abstract class Store<T> {
|
|||
}
|
||||
}
|
||||
|
||||
abstract map<J>(f: ((t: T) => J)): Store<J>
|
||||
abstract map<J>(f: ((t: T) => J), extraStoresToWatch: Store<any>[]): Store<J>
|
||||
abstract map<J>(f: (t: T) => J): Store<J>
|
||||
abstract map<J>(f: (t: T) => J, extraStoresToWatch: Store<any>[]): Store<J>
|
||||
|
||||
/**
|
||||
* Add a callback function which will run on future data changes
|
||||
*/
|
||||
abstract addCallback(callback: (data: T) => void): (() => void);
|
||||
abstract addCallback(callback: (data: T) => void): () => void
|
||||
|
||||
/**
|
||||
* Adds a callback function, which will be run immediately.
|
||||
* Only triggers if the current data is defined
|
||||
*/
|
||||
abstract addCallbackAndRunD(callback: (data: T) => void): (() => void);
|
||||
abstract addCallbackAndRunD(callback: (data: T) => void): () => void
|
||||
|
||||
/**
|
||||
* Add a callback function which will run on future data changes
|
||||
* Only triggers if the data is defined
|
||||
*/
|
||||
abstract addCallbackD(callback: (data: T) => void): (() => void);
|
||||
abstract addCallbackD(callback: (data: T) => void): () => void
|
||||
|
||||
/**
|
||||
* Adds a callback function, which will be run immediately.
|
||||
* Only triggers if the current data is defined
|
||||
*/
|
||||
abstract addCallbackAndRun(callback: (data: T) => void): (() => void);
|
||||
abstract addCallbackAndRun(callback: (data: T) => void): () => void
|
||||
|
||||
public withEqualityStabilized(comparator: (t: T | undefined, t1: T | undefined) => boolean): Store<T> {
|
||||
let oldValue = undefined;
|
||||
return this.map(v => {
|
||||
public withEqualityStabilized(
|
||||
comparator: (t: T | undefined, t1: T | undefined) => boolean
|
||||
): Store<T> {
|
||||
let oldValue = undefined
|
||||
return this.map((v) => {
|
||||
if (v == oldValue) {
|
||||
return oldValue
|
||||
}
|
||||
if (comparator(oldValue, v)) {
|
||||
return oldValue
|
||||
}
|
||||
oldValue = v;
|
||||
return v;
|
||||
oldValue = v
|
||||
return v
|
||||
})
|
||||
}
|
||||
|
||||
/**
|
||||
* Monadic bind function
|
||||
*
|
||||
*
|
||||
* // simple test with bound and immutablestores
|
||||
* const src = new UIEventSource<number>(3)
|
||||
* const bound = src.bind(i => new ImmutableStore(i * 2))
|
||||
|
|
@ -160,7 +163,7 @@ export abstract class Store<T> {
|
|||
* lastValue // => 6
|
||||
* src.setData(21)
|
||||
* lastValue // => 42
|
||||
*
|
||||
*
|
||||
* // simple test with bind over a mapped value
|
||||
* const src = new UIEventSource<number>(0)
|
||||
* const srcs : UIEventSource<string>[] = [new UIEventSource<string>("a"), new UIEventSource<string>("b")]
|
||||
|
|
@ -176,9 +179,9 @@ export abstract class Store<T> {
|
|||
* lastValue // => "xyz"
|
||||
* src.setData(0)
|
||||
* lastValue // => "def"
|
||||
*
|
||||
*
|
||||
*
|
||||
*
|
||||
*
|
||||
*
|
||||
* // advanced test with bound
|
||||
* const src = new UIEventSource<number>(0)
|
||||
* const srcs : UIEventSource<string>[] = [new UIEventSource<string>("a"), new UIEventSource<string>("b")]
|
||||
|
|
@ -195,20 +198,20 @@ export abstract class Store<T> {
|
|||
* src.setData(0)
|
||||
* lastValue // => "def"
|
||||
*/
|
||||
public bind<X>(f: ((t: T) => Store<X>)): Store<X> {
|
||||
public bind<X>(f: (t: T) => Store<X>): Store<X> {
|
||||
const mapped = this.map(f)
|
||||
const sink = new UIEventSource<X>(undefined)
|
||||
const seenEventSources = new Set<Store<X>>();
|
||||
mapped.addCallbackAndRun(newEventSource => {
|
||||
const seenEventSources = new Set<Store<X>>()
|
||||
mapped.addCallbackAndRun((newEventSource) => {
|
||||
if (newEventSource === null) {
|
||||
sink.setData(null)
|
||||
} else if (newEventSource === undefined) {
|
||||
sink.setData(undefined)
|
||||
} else if (!seenEventSources.has(newEventSource)) {
|
||||
seenEventSources.add(newEventSource)
|
||||
newEventSource.addCallbackAndRun(resultData => {
|
||||
newEventSource.addCallbackAndRun((resultData) => {
|
||||
if (mapped.data === newEventSource) {
|
||||
sink.setData(resultData);
|
||||
sink.setData(resultData)
|
||||
}
|
||||
})
|
||||
} else {
|
||||
|
|
@ -217,67 +220,66 @@ export abstract class Store<T> {
|
|||
}
|
||||
})
|
||||
|
||||
return sink;
|
||||
return sink
|
||||
}
|
||||
|
||||
public stabilized(millisToStabilize): Store<T> {
|
||||
if (Utils.runningFromConsole) {
|
||||
return this;
|
||||
return this
|
||||
}
|
||||
|
||||
const newSource = new UIEventSource<T>(this.data);
|
||||
const newSource = new UIEventSource<T>(this.data)
|
||||
|
||||
this.addCallback(latestData => {
|
||||
this.addCallback((latestData) => {
|
||||
window.setTimeout(() => {
|
||||
if (this.data == latestData) { // compare by reference
|
||||
newSource.setData(latestData);
|
||||
if (this.data == latestData) {
|
||||
// compare by reference
|
||||
newSource.setData(latestData)
|
||||
}
|
||||
}, millisToStabilize)
|
||||
});
|
||||
})
|
||||
|
||||
return newSource;
|
||||
return newSource
|
||||
}
|
||||
|
||||
public AsPromise(condition?: ((t: T) => boolean)): Promise<T> {
|
||||
const self = this;
|
||||
condition = condition ?? (t => t !== undefined)
|
||||
public AsPromise(condition?: (t: T) => boolean): Promise<T> {
|
||||
const self = this
|
||||
condition = condition ?? ((t) => t !== undefined)
|
||||
return new Promise((resolve) => {
|
||||
if (condition(self.data)) {
|
||||
resolve(self.data)
|
||||
} else {
|
||||
self.addCallbackD(data => {
|
||||
self.addCallbackD((data) => {
|
||||
resolve(data)
|
||||
return true; // return true to unregister as we only need to be called once
|
||||
return true // return true to unregister as we only need to be called once
|
||||
})
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
export class ImmutableStore<T> extends Store<T> {
|
||||
public readonly data: T;
|
||||
public readonly data: T
|
||||
|
||||
private static readonly pass: (() => void) = () => {
|
||||
}
|
||||
private static readonly pass: () => void = () => {}
|
||||
|
||||
constructor(data: T) {
|
||||
super();
|
||||
this.data = data;
|
||||
super()
|
||||
this.data = data
|
||||
}
|
||||
|
||||
addCallback(callback: (data: T) => void): (() => void) {
|
||||
addCallback(callback: (data: T) => void): () => void {
|
||||
// pass: data will never change
|
||||
return ImmutableStore.pass
|
||||
}
|
||||
|
||||
addCallbackAndRun(callback: (data: T) => void): (() => void) {
|
||||
addCallbackAndRun(callback: (data: T) => void): () => void {
|
||||
callback(this.data)
|
||||
// no callback registry: data will never change
|
||||
return ImmutableStore.pass
|
||||
}
|
||||
|
||||
addCallbackAndRunD(callback: (data: T) => void): (() => void) {
|
||||
addCallbackAndRunD(callback: (data: T) => void): () => void {
|
||||
if (this.data !== undefined) {
|
||||
callback(this.data)
|
||||
}
|
||||
|
|
@ -285,38 +287,35 @@ export class ImmutableStore<T> extends Store<T> {
|
|||
return ImmutableStore.pass
|
||||
}
|
||||
|
||||
addCallbackD(callback: (data: T) => void): (() => void) {
|
||||
addCallbackD(callback: (data: T) => void): () => void {
|
||||
// pass: data will never change
|
||||
return ImmutableStore.pass
|
||||
}
|
||||
|
||||
|
||||
map<J>(f: (t: T) => J, extraStores: Store<any>[] = undefined): ImmutableStore<J> {
|
||||
if(extraStores?.length > 0){
|
||||
if (extraStores?.length > 0) {
|
||||
return new MappedStore(this, f, extraStores, undefined, f(this.data))
|
||||
}
|
||||
return new ImmutableStore<J>(f(this.data));
|
||||
return new ImmutableStore<J>(f(this.data))
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Keeps track of the callback functions
|
||||
*/
|
||||
class ListenerTracker<T> {
|
||||
private readonly _callbacks: ((t: T) => (boolean | void | any)) [] = [];
|
||||
|
||||
public pingCount = 0;
|
||||
private readonly _callbacks: ((t: T) => boolean | void | any)[] = []
|
||||
|
||||
public pingCount = 0
|
||||
/**
|
||||
* Adds a callback which can be called; a function to unregister is returned
|
||||
*/
|
||||
public addCallback(callback: (t: T) => (boolean | void | any)): (() => void) {
|
||||
public addCallback(callback: (t: T) => boolean | void | any): () => void {
|
||||
if (callback === console.log) {
|
||||
// This ^^^ actually works!
|
||||
throw "Don't add console.log directly as a callback - you'll won't be able to find it afterwards. Wrap it in a lambda instead."
|
||||
}
|
||||
this._callbacks.push(callback);
|
||||
this._callbacks.push(callback)
|
||||
|
||||
// Give back an unregister-function!
|
||||
return () => {
|
||||
|
|
@ -332,9 +331,9 @@ class ListenerTracker<T> {
|
|||
* Returns the number of registered callbacks
|
||||
*/
|
||||
public ping(data: T): number {
|
||||
this.pingCount ++;
|
||||
this.pingCount++
|
||||
let toDelete = undefined
|
||||
let startTime = new Date().getTime() / 1000;
|
||||
let startTime = new Date().getTime() / 1000
|
||||
for (const callback of this._callbacks) {
|
||||
if (callback(data) === true) {
|
||||
// This callback wants to be deleted
|
||||
|
|
@ -347,8 +346,10 @@ class ListenerTracker<T> {
|
|||
}
|
||||
}
|
||||
let endTime = new Date().getTime() / 1000
|
||||
if ((endTime - startTime) > 500) {
|
||||
console.trace("Warning: a ping took more then 500ms; this is probably a performance issue")
|
||||
if (endTime - startTime > 500) {
|
||||
console.trace(
|
||||
"Warning: a ping took more then 500ms; this is probably a performance issue"
|
||||
)
|
||||
}
|
||||
if (toDelete !== undefined) {
|
||||
for (const toDeleteElement of toDelete) {
|
||||
|
|
@ -363,55 +364,57 @@ class ListenerTracker<T> {
|
|||
}
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* The mapped store is a helper type which does the mapping of a function.
|
||||
* It'll fuse
|
||||
*/
|
||||
class MappedStore<TIn, T> extends Store<T> {
|
||||
private _upstream: Store<TIn>
|
||||
private _upstreamCallbackHandler: ListenerTracker<TIn> | undefined
|
||||
private _upstreamPingCount: number = -1
|
||||
private _unregisterFromUpstream: () => void
|
||||
|
||||
private _upstream: Store<TIn>;
|
||||
private _upstreamCallbackHandler: ListenerTracker<TIn> | undefined;
|
||||
private _upstreamPingCount: number = -1;
|
||||
private _unregisterFromUpstream: (() => void)
|
||||
|
||||
private _f: (t: TIn) => T;
|
||||
private readonly _extraStores: Store<any>[] | undefined;
|
||||
private _f: (t: TIn) => T
|
||||
private readonly _extraStores: Store<any>[] | undefined
|
||||
private _unregisterFromExtraStores: (() => void)[] | undefined
|
||||
|
||||
private _callbacks: ListenerTracker<T> = new ListenerTracker<T>()
|
||||
|
||||
private static readonly pass: () => {}
|
||||
|
||||
|
||||
constructor(upstream: Store<TIn>, f: (t: TIn) => T, extraStores: Store<any>[],
|
||||
upstreamListenerHandler: ListenerTracker<TIn> | undefined, initialState: T) {
|
||||
super();
|
||||
this._upstream = upstream;
|
||||
constructor(
|
||||
upstream: Store<TIn>,
|
||||
f: (t: TIn) => T,
|
||||
extraStores: Store<any>[],
|
||||
upstreamListenerHandler: ListenerTracker<TIn> | undefined,
|
||||
initialState: T
|
||||
) {
|
||||
super()
|
||||
this._upstream = upstream
|
||||
this._upstreamCallbackHandler = upstreamListenerHandler
|
||||
this._f = f;
|
||||
this._f = f
|
||||
this._data = initialState
|
||||
this._upstreamPingCount = upstreamListenerHandler?.pingCount
|
||||
this._extraStores = extraStores;
|
||||
this._extraStores = extraStores
|
||||
this.registerCallbacksToUpstream()
|
||||
}
|
||||
|
||||
private _data: T;
|
||||
private _data: T
|
||||
private _callbacksAreRegistered = false
|
||||
|
||||
/**
|
||||
* Gets the current data from the store
|
||||
*
|
||||
*
|
||||
* const src = new UIEventSource(21)
|
||||
* const mapped = src.map(i => i * 2)
|
||||
* src.setData(3)
|
||||
* mapped.data // => 6
|
||||
*
|
||||
*
|
||||
*/
|
||||
get data(): T {
|
||||
get data(): T {
|
||||
if (!this._callbacksAreRegistered) {
|
||||
// Callbacks are not registered, so we haven't been listening for updates from the upstream which might have changed
|
||||
if(this._upstreamCallbackHandler?.pingCount != this._upstreamPingCount){
|
||||
if (this._upstreamCallbackHandler?.pingCount != this._upstreamPingCount) {
|
||||
// Upstream has pinged - let's update our data first
|
||||
this._data = this._f(this._upstream.data)
|
||||
}
|
||||
|
|
@ -420,8 +423,7 @@ class MappedStore<TIn, T> extends Store<T> {
|
|||
return this._data
|
||||
}
|
||||
|
||||
|
||||
map<J>(f: (t: T) => J, extraStores: (Store<any>)[] = undefined): Store<J> {
|
||||
map<J>(f: (t: T) => J, extraStores: Store<any>[] = undefined): Store<J> {
|
||||
let stores: Store<any>[] = undefined
|
||||
if (extraStores?.length > 0 || this._extraStores?.length > 0) {
|
||||
stores = []
|
||||
|
|
@ -430,7 +432,7 @@ class MappedStore<TIn, T> extends Store<T> {
|
|||
stores.push(...extraStores)
|
||||
}
|
||||
if (this._extraStores?.length > 0) {
|
||||
this._extraStores?.forEach(store => {
|
||||
this._extraStores?.forEach((store) => {
|
||||
if (stores.indexOf(store) < 0) {
|
||||
stores.push(store)
|
||||
}
|
||||
|
|
@ -442,39 +444,37 @@ class MappedStore<TIn, T> extends Store<T> {
|
|||
stores,
|
||||
this._callbacks,
|
||||
f(this.data)
|
||||
);
|
||||
)
|
||||
}
|
||||
|
||||
private unregisterFromUpstream() {
|
||||
console.log("Unregistering callbacks for", this.tag)
|
||||
this._callbacksAreRegistered = false;
|
||||
this._callbacksAreRegistered = false
|
||||
this._unregisterFromUpstream()
|
||||
this._unregisterFromExtraStores?.forEach(unr => unr())
|
||||
this._unregisterFromExtraStores?.forEach((unr) => unr())
|
||||
}
|
||||
|
||||
|
||||
private registerCallbacksToUpstream() {
|
||||
const self = this
|
||||
|
||||
this._unregisterFromUpstream = this._upstream.addCallback(
|
||||
_ => self.update()
|
||||
|
||||
this._unregisterFromUpstream = this._upstream.addCallback((_) => self.update())
|
||||
this._unregisterFromExtraStores = this._extraStores?.map((store) =>
|
||||
store?.addCallback((_) => self.update())
|
||||
)
|
||||
this._unregisterFromExtraStores = this._extraStores?.map(store =>
|
||||
store?.addCallback(_ => self.update())
|
||||
)
|
||||
this._callbacksAreRegistered = true;
|
||||
this._callbacksAreRegistered = true
|
||||
}
|
||||
|
||||
private update(): void {
|
||||
const newData = this._f(this._upstream.data)
|
||||
this._upstreamPingCount = this._upstreamCallbackHandler?.pingCount
|
||||
if (this._data == newData) {
|
||||
return;
|
||||
return
|
||||
}
|
||||
this._data = newData
|
||||
this._callbacks.ping(this._data)
|
||||
}
|
||||
|
||||
addCallback(callback: (data: T) => (any | boolean | void)): (() => void) {
|
||||
addCallback(callback: (data: T) => any | boolean | void): () => void {
|
||||
if (!this._callbacksAreRegistered) {
|
||||
// This is the first callback that is added
|
||||
// We register this 'map' to the upstream object and all the streams
|
||||
|
|
@ -489,7 +489,7 @@ class MappedStore<TIn, T> extends Store<T> {
|
|||
}
|
||||
}
|
||||
|
||||
addCallbackAndRun(callback: (data: T) => (any | boolean | void)): (() => void) {
|
||||
addCallbackAndRun(callback: (data: T) => any | boolean | void): () => void {
|
||||
const unregister = this.addCallback(callback)
|
||||
const doRemove = callback(this.data)
|
||||
if (doRemove === true) {
|
||||
|
|
@ -499,71 +499,74 @@ class MappedStore<TIn, T> extends Store<T> {
|
|||
return unregister
|
||||
}
|
||||
|
||||
addCallbackAndRunD(callback: (data: T) => (any | boolean | void)): (() => void) {
|
||||
return this.addCallbackAndRun(data => {
|
||||
addCallbackAndRunD(callback: (data: T) => any | boolean | void): () => void {
|
||||
return this.addCallbackAndRun((data) => {
|
||||
if (data !== undefined) {
|
||||
return callback(data)
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
addCallbackD(callback: (data: T) => (any | boolean | void)): (() => void) {
|
||||
return this.addCallback(data => {
|
||||
addCallbackD(callback: (data: T) => any | boolean | void): () => void {
|
||||
return this.addCallback((data) => {
|
||||
if (data !== undefined) {
|
||||
return callback(data)
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
|
||||
export class UIEventSource<T> extends Store<T> {
|
||||
|
||||
public data: T;
|
||||
public data: T
|
||||
_callbacks: ListenerTracker<T> = new ListenerTracker<T>()
|
||||
|
||||
private static readonly pass: () => {}
|
||||
|
||||
constructor(data: T, tag: string = "") {
|
||||
super(tag);
|
||||
this.data = data;
|
||||
super(tag)
|
||||
this.data = data
|
||||
}
|
||||
|
||||
public static flatten<X>(source: Store<Store<X>>, possibleSources?: Store<any>[]): UIEventSource<X> {
|
||||
const sink = new UIEventSource<X>(source.data?.data);
|
||||
public static flatten<X>(
|
||||
source: Store<Store<X>>,
|
||||
possibleSources?: Store<any>[]
|
||||
): UIEventSource<X> {
|
||||
const sink = new UIEventSource<X>(source.data?.data)
|
||||
|
||||
source.addCallback((latestData) => {
|
||||
sink.setData(latestData?.data);
|
||||
latestData.addCallback(data => {
|
||||
sink.setData(latestData?.data)
|
||||
latestData.addCallback((data) => {
|
||||
if (source.data !== latestData) {
|
||||
return true;
|
||||
return true
|
||||
}
|
||||
sink.setData(data)
|
||||
})
|
||||
});
|
||||
})
|
||||
|
||||
for (const possibleSource of possibleSources ?? []) {
|
||||
possibleSource?.addCallback(() => {
|
||||
sink.setData(source.data?.data);
|
||||
sink.setData(source.data?.data)
|
||||
})
|
||||
}
|
||||
|
||||
return sink;
|
||||
return sink
|
||||
}
|
||||
|
||||
/**
|
||||
* Converts a promise into a UIVentsource, sets the UIEVentSource when the result is calculated.
|
||||
* If the promise fails, the value will stay undefined, but 'onError' will be called
|
||||
*/
|
||||
public static FromPromise<T>(promise: Promise<T>, onError: ((e: any) => void) = undefined): UIEventSource<T> {
|
||||
public static FromPromise<T>(
|
||||
promise: Promise<T>,
|
||||
onError: (e: any) => void = undefined
|
||||
): UIEventSource<T> {
|
||||
const src = new UIEventSource<T>(undefined)
|
||||
promise?.then(d => src.setData(d))
|
||||
promise?.catch(err => {
|
||||
promise?.then((d) => src.setData(d))
|
||||
promise?.catch((err) => {
|
||||
if (onError !== undefined) {
|
||||
onError(err)
|
||||
} else {
|
||||
console.warn("Promise failed:", err);
|
||||
console.warn("Promise failed:", err)
|
||||
}
|
||||
})
|
||||
return src
|
||||
|
|
@ -575,25 +578,27 @@ export class UIEventSource<T> extends Store<T> {
|
|||
* @param promise
|
||||
* @constructor
|
||||
*/
|
||||
public static FromPromiseWithErr<T>(promise: Promise<T>): UIEventSource<{ success: T } | { error: any }> {
|
||||
public static FromPromiseWithErr<T>(
|
||||
promise: Promise<T>
|
||||
): UIEventSource<{ success: T } | { error: any }> {
|
||||
const src = new UIEventSource<{ success: T } | { error: any }>(undefined)
|
||||
promise?.then(d => src.setData({success: d}))
|
||||
promise?.catch(err => src.setData({error: err}))
|
||||
promise?.then((d) => src.setData({ success: d }))
|
||||
promise?.catch((err) => src.setData({ error: err }))
|
||||
return src
|
||||
}
|
||||
|
||||
public static asFloat(source: UIEventSource<string>): UIEventSource<number> {
|
||||
return source.sync(
|
||||
(str) => {
|
||||
let parsed = parseFloat(str);
|
||||
return isNaN(parsed) ? undefined : parsed;
|
||||
let parsed = parseFloat(str)
|
||||
return isNaN(parsed) ? undefined : parsed
|
||||
},
|
||||
[],
|
||||
(fl) => {
|
||||
if (fl === undefined || isNaN(fl)) {
|
||||
return undefined;
|
||||
return undefined
|
||||
}
|
||||
return ("" + fl).substr(0, 8);
|
||||
return ("" + fl).substr(0, 8)
|
||||
}
|
||||
)
|
||||
}
|
||||
|
|
@ -604,29 +609,29 @@ export class UIEventSource<T> extends Store<T> {
|
|||
* If the result of the callback is 'true', the callback is considered finished and will be removed again
|
||||
* @param callback
|
||||
*/
|
||||
public addCallback(callback: ((latestData: T) => (boolean | void | any))): (() => void) {
|
||||
return this._callbacks.addCallback(callback);
|
||||
public addCallback(callback: (latestData: T) => boolean | void | any): () => void {
|
||||
return this._callbacks.addCallback(callback)
|
||||
}
|
||||
|
||||
public addCallbackAndRun(callback: ((latestData: T) => (boolean | void | any))): (() => void) {
|
||||
const doDeleteCallback = callback(this.data);
|
||||
public addCallbackAndRun(callback: (latestData: T) => boolean | void | any): () => void {
|
||||
const doDeleteCallback = callback(this.data)
|
||||
if (doDeleteCallback !== true) {
|
||||
return this.addCallback(callback);
|
||||
return this.addCallback(callback)
|
||||
} else {
|
||||
return UIEventSource.pass
|
||||
}
|
||||
}
|
||||
|
||||
public addCallbackAndRunD(callback: (data: T) => void): (() => void) {
|
||||
return this.addCallbackAndRun(data => {
|
||||
public addCallbackAndRunD(callback: (data: T) => void): () => void {
|
||||
return this.addCallbackAndRun((data) => {
|
||||
if (data !== undefined && data !== null) {
|
||||
return callback(data)
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
public addCallbackD(callback: (data: T) => void): (() => void) {
|
||||
return this.addCallback(data => {
|
||||
public addCallbackD(callback: (data: T) => void): () => void {
|
||||
return this.addCallback((data) => {
|
||||
if (data !== undefined && data !== null) {
|
||||
return callback(data)
|
||||
}
|
||||
|
|
@ -634,12 +639,13 @@ export class UIEventSource<T> extends Store<T> {
|
|||
}
|
||||
|
||||
public setData(t: T): UIEventSource<T> {
|
||||
if (this.data == t) { // MUST COMPARE BY REFERENCE!
|
||||
return;
|
||||
if (this.data == t) {
|
||||
// MUST COMPARE BY REFERENCE!
|
||||
return
|
||||
}
|
||||
this.data = t;
|
||||
this.data = t
|
||||
this._callbacks.ping(t)
|
||||
return this;
|
||||
return this
|
||||
}
|
||||
|
||||
public ping(): void {
|
||||
|
|
@ -669,9 +675,8 @@ export class UIEventSource<T> extends Store<T> {
|
|||
* srcSeen // => 21
|
||||
* lastSeen // => 42
|
||||
*/
|
||||
public map<J>(f: ((t: T) => J),
|
||||
extraSources: Store<any>[] = []): Store<J> {
|
||||
return new MappedStore(this, f, extraSources, this._callbacks, f(this.data));
|
||||
public map<J>(f: (t: T) => J, extraSources: Store<any>[] = []): Store<J> {
|
||||
return new MappedStore(this, f, extraSources, this._callbacks, f(this.data))
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -682,53 +687,51 @@ export class UIEventSource<T> extends Store<T> {
|
|||
* @param g: a 'backfunction to let the sync run in two directions. (data of the new UIEVEntSource, currentData) => newData
|
||||
* @param allowUnregister: if set, the update will be halted if no listeners are registered
|
||||
*/
|
||||
public sync<J>(f: ((t: T) => J),
|
||||
extraSources: Store<any>[],
|
||||
g: ((j: J, t: T) => T),
|
||||
allowUnregister = false): UIEventSource<J> {
|
||||
const self = this;
|
||||
public sync<J>(
|
||||
f: (t: T) => J,
|
||||
extraSources: Store<any>[],
|
||||
g: (j: J, t: T) => T,
|
||||
allowUnregister = false
|
||||
): UIEventSource<J> {
|
||||
const self = this
|
||||
|
||||
const stack = new Error().stack.split("\n");
|
||||
const stack = new Error().stack.split("\n")
|
||||
const callee = stack[1]
|
||||
|
||||
const newSource = new UIEventSource<J>(
|
||||
f(this.data),
|
||||
"map(" + this.tag + ")@" + callee
|
||||
);
|
||||
const newSource = new UIEventSource<J>(f(this.data), "map(" + this.tag + ")@" + callee)
|
||||
|
||||
const update = function () {
|
||||
newSource.setData(f(self.data));
|
||||
newSource.setData(f(self.data))
|
||||
return allowUnregister && newSource._callbacks.length() === 0
|
||||
}
|
||||
|
||||
this.addCallback(update);
|
||||
this.addCallback(update)
|
||||
for (const extraSource of extraSources) {
|
||||
extraSource?.addCallback(update);
|
||||
extraSource?.addCallback(update)
|
||||
}
|
||||
|
||||
if (g !== undefined) {
|
||||
newSource.addCallback((latest) => {
|
||||
self.setData(g(latest, self.data));
|
||||
self.setData(g(latest, self.data))
|
||||
})
|
||||
}
|
||||
|
||||
return newSource;
|
||||
return newSource
|
||||
}
|
||||
|
||||
public syncWith(otherSource: UIEventSource<T>, reverseOverride = false): UIEventSource<T> {
|
||||
this.addCallback((latest) => otherSource.setData(latest));
|
||||
const self = this;
|
||||
otherSource.addCallback((latest) => self.setData(latest));
|
||||
this.addCallback((latest) => otherSource.setData(latest))
|
||||
const self = this
|
||||
otherSource.addCallback((latest) => self.setData(latest))
|
||||
if (reverseOverride) {
|
||||
if (otherSource.data !== undefined) {
|
||||
this.setData(otherSource.data);
|
||||
this.setData(otherSource.data)
|
||||
}
|
||||
} else if (this.data === undefined) {
|
||||
this.setData(otherSource.data);
|
||||
this.setData(otherSource.data)
|
||||
} else {
|
||||
otherSource.setData(this.data);
|
||||
otherSource.setData(this.data)
|
||||
}
|
||||
return this;
|
||||
return this
|
||||
}
|
||||
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue