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import { Deserializable, autoObject } from "../client/util/SerializationHelper";
import { Field, Update, Self, FieldResult } from "./Doc";
import { setter, getter, deleteProperty } from "./util";
import { serializable, alias, list } from "serializr";
import { observable, action } from "mobx";
import { ObjectField, OnUpdate, Copy } from "./ObjectField";
import { RefField } from "./RefField";
import { ProxyField } from "./Proxy";
const listHandlers: any = {
/// Mutator methods
copyWithin() {
throw new Error("copyWithin not supported yet");
},
fill(value: any, start?: number, end?: number) {
if (value instanceof RefField) {
throw new Error("fill with RefFields not supported yet");
}
const res = this[Self].__fields.fill(value, start, end);
this[Update]();
return res;
},
pop(): any {
const field = toRealField(this[Self].__fields.pop());
this[Update]();
return field;
},
push: action(function (this: any, ...items: any[]) {
items = items.map(toObjectField);
const res = this[Self].__fields.push(...items);
this[Update]();
return res;
}),
reverse() {
const res = this[Self].__fields.reverse();
this[Update]();
return res;
},
shift() {
const res = toRealField(this[Self].__fields.shift());
this[Update]();
return res;
},
sort(cmpFunc: any) {
const res = this[Self].__fields.sort(cmpFunc ? (first: any, second: any) => cmpFunc(toRealField(first), toRealField(second)) : undefined);
this[Update]();
return res;
},
splice: action(function (this: any, start: number, deleteCount: number, ...items: any[]) {
items = items.map(toObjectField);
const res = this[Self].__fields.splice(start, deleteCount, ...items);
this[Update]();
return res.map(toRealField);
}),
unshift(...items: any[]) {
items = items.map(toObjectField);
const res = this[Self].__fields.unshift(...items);
this[Update]();
return res;
},
/// Accessor methods
concat: action(function (this: any, ...items: any[]) {
return this[Self].__fields.map(toRealField).concat(...items);
}),
includes(valueToFind: any, fromIndex: number) {
const fields = this[Self].__fields;
if (valueToFind instanceof RefField) {
return fields.map(toRealField).includes(valueToFind, fromIndex);
} else {
return fields.includes(valueToFind, fromIndex);
}
},
indexOf(valueToFind: any, fromIndex: number) {
const fields = this[Self].__fields;
if (valueToFind instanceof RefField) {
return fields.map(toRealField).indexOf(valueToFind, fromIndex);
} else {
return fields.indexOf(valueToFind, fromIndex);
}
},
join(separator: any) {
return this[Self].__fields.map(toRealField).join(separator);
},
lastIndexOf(valueToFind: any, fromIndex: number) {
const fields = this[Self].__fields;
if (valueToFind instanceof RefField) {
return fields.map(toRealField).lastIndexOf(valueToFind, fromIndex);
} else {
return fields.lastIndexOf(valueToFind, fromIndex);
}
},
slice(begin: number, end: number) {
return this[Self].__fields.slice(begin, end).map(toRealField);
},
/// Iteration methods
entries() {
return this[Self].__fields.map(toRealField).entries();
},
every(callback: any, thisArg: any) {
return this[Self].__fields.map(toRealField).every(callback, thisArg);
// TODO This is probably more efficient, but technically the callback can take the array, which would mean we would have to map the actual array anyway.
// If we don't want to support the array parameter, we should use this version instead
// return this[Self].__fields.every((element:any, index:number, array:any) => callback(toRealField(element), index, array), thisArg);
},
filter(callback: any, thisArg: any) {
return this[Self].__fields.map(toRealField).filter(callback, thisArg);
// TODO This is probably more efficient, but technically the callback can take the array, which would mean we would have to map the actual array anyway.
// If we don't want to support the array parameter, we should use this version instead
// return this[Self].__fields.filter((element:any, index:number, array:any) => callback(toRealField(element), index, array), thisArg);
},
find(callback: any, thisArg: any) {
return this[Self].__fields.map(toRealField).find(callback, thisArg);
// TODO This is probably more efficient, but technically the callback can take the array, which would mean we would have to map the actual array anyway.
// If we don't want to support the array parameter, we should use this version instead
// return this[Self].__fields.find((element:any, index:number, array:any) => callback(toRealField(element), index, array), thisArg);
},
findIndex(callback: any, thisArg: any) {
return this[Self].__fields.map(toRealField).findIndex(callback, thisArg);
// TODO This is probably more efficient, but technically the callback can take the array, which would mean we would have to map the actual array anyway.
// If we don't want to support the array parameter, we should use this version instead
// return this[Self].__fields.findIndex((element:any, index:number, array:any) => callback(toRealField(element), index, array), thisArg);
},
forEach(callback: any, thisArg: any) {
return this[Self].__fields.map(toRealField).forEach(callback, thisArg);
// TODO This is probably more efficient, but technically the callback can take the array, which would mean we would have to map the actual array anyway.
// If we don't want to support the array parameter, we should use this version instead
// return this[Self].__fields.forEach((element:any, index:number, array:any) => callback(toRealField(element), index, array), thisArg);
},
map(callback: any, thisArg: any) {
return this[Self].__fields.map(toRealField).map(callback, thisArg);
// TODO This is probably more efficient, but technically the callback can take the array, which would mean we would have to map the actual array anyway.
// If we don't want to support the array parameter, we should use this version instead
// return this[Self].__fields.map((element:any, index:number, array:any) => callback(toRealField(element), index, array), thisArg);
},
reduce(callback: any, initialValue: any) {
return this[Self].__fields.map(toRealField).reduce(callback, initialValue);
// TODO This is probably more efficient, but technically the callback can take the array, which would mean we would have to map the actual array anyway.
// If we don't want to support the array parameter, we should use this version instead
// return this[Self].__fields.reduce((acc:any, element:any, index:number, array:any) => callback(acc, toRealField(element), index, array), initialValue);
},
reduceRight(callback: any, initialValue: any) {
return this[Self].__fields.map(toRealField).reduceRight(callback, initialValue);
// TODO This is probably more efficient, but technically the callback can take the array, which would mean we would have to map the actual array anyway.
// If we don't want to support the array parameter, we should use this version instead
// return this[Self].__fields.reduceRight((acc:any, element:any, index:number, array:any) => callback(acc, toRealField(element), index, array), initialValue);
},
some(callback: any, thisArg: any) {
return this[Self].__fields.map(toRealField).some(callback, thisArg);
// TODO This is probably more efficient, but technically the callback can take the array, which would mean we would have to map the actual array anyway.
// If we don't want to support the array parameter, we should use this version instead
// return this[Self].__fields.some((element:any, index:number, array:any) => callback(toRealField(element), index, array), thisArg);
},
values() {
return this[Self].__fields.map(toRealField).values();
},
[Symbol.iterator]() {
return this[Self].__fields.map(toRealField).values();
}
};
function toObjectField(field: Field) {
return field instanceof RefField ? new ProxyField(field) : field;
}
function toRealField(field: Field) {
return field instanceof ProxyField ? field.value() : field;
}
function listGetter(target: any, prop: string | number | symbol, receiver: any): any {
if (listHandlers.hasOwnProperty(prop)) {
return listHandlers[prop];
}
return getter(target, prop, receiver);
}
interface ListSpliceUpdate<T> {
type: "splice";
index: number;
added: T[];
removedCount: number;
}
interface ListIndexUpdate<T> {
type: "update";
index: number;
newValue: T;
}
type ListUpdate<T> = ListSpliceUpdate<T> | ListIndexUpdate<T>;
type StoredType<T extends Field> = T extends RefField ? ProxyField<T> : T;
@Deserializable("list")
class ListImpl<T extends Field> extends ObjectField {
constructor(fields: T[] = []) {
super();
const list = new Proxy<this>(this, {
set: setter,
get: listGetter,
deleteProperty: deleteProperty,
defineProperty: () => { throw new Error("Currently properties can't be defined on documents using Object.defineProperty"); },
});
(list as any).push(...fields);
return list;
}
[key: number]: FieldResult<T>;
@serializable(alias("fields", list(autoObject())))
private get __fields() {
return this.___fields;
}
private set __fields(value) {
this.___fields = value;
}
[Copy]() {
let copiedData = this[Self].__fields.map(f => f instanceof ObjectField ? f[Copy]() : f);
let deepCopy = new ListImpl<T>(copiedData as any);
return deepCopy;
}
// @serializable(alias("fields", list(autoObject())))
@observable
private ___fields: StoredType<T>[] = [];
private [Update] = (diff: any) => {
// console.log(diff);
const update = this[OnUpdate];
// update && update(diff);
update && update();
}
private [Self] = this;
}
export type List<T extends Field> = ListImpl<T> & T[];
export const List: { new <T extends Field>(fields?: T[]): List<T> } = ListImpl as any;
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