Cleanup + add remaining utils

src/Store/ordered-dictionary.ts

@@ -0,0 +1,66 @@
+
+const makeOrderedDictionary = function<T>(idGetter: (item: T) => string) {
+	const array: T[] = []
+	const dict: { [_: string]: T } = { }
+
+	const get = (id: string) => dict[id]
+
+	const update = (item: T) => {
+		const id = idGetter(item)
+		const idx = array.findIndex(i => idGetter(i) === id)
+		if(idx >= 0) {
+			array[idx] = item
+			dict[id] = item
+		}
+		return false
+	}
+
+	const upsert = (item: T, mode: 'append' | 'prepend') => {
+		const id = idGetter(item)
+		if(get(id)) {
+			update(item)
+		} else {
+			if(mode === 'append') {
+				array.push(item)
+			} else {
+				array.splice(0, 0, item)
+			}
+			dict[id] = item
+		}
+	}
+	
+	const remove = (item: T) => {
+		const id = idGetter(item)
+		const idx = array.findIndex(i => idGetter(i) === id)
+		if(idx >= 0) {
+			array.splice(idx, 1)
+			delete dict[id]
+			return true
+		}
+		return false
+	}
+
+	return {
+		array,
+		get,
+		upsert,
+		update,
+		remove,
+		updateAssign: (update: Partial<T>) => {
+			const item = get(idGetter(update as any))
+			if(item) {
+				Object.assign(item, update)
+			}
+			return false
+		},
+		clear: () => {
+			array.splice(0, array.length)
+			Object.keys(dict).forEach(key => { delete dict[key] })
+		},
+		filter: (contain: (item: T) => boolean) => {
+			//const copy = 
+		}
+	}
+}
+export default makeOrderedDictionary
+//export type OrderedDictionary<T> = ReturnType<typeof makeOrderedDictionary>