87 lines
2.6 KiB
JavaScript
87 lines
2.6 KiB
JavaScript
class SnowFlake {
|
|
id;
|
|
static SnowFlakes = new Map();
|
|
static FinalizationRegistry = new FinalizationRegistry((a) => {
|
|
SnowFlake.SnowFlakes.get(a[1]).delete(a[0]);
|
|
});
|
|
obj;
|
|
constructor(id, obj) {
|
|
if (!obj) {
|
|
this.id = id;
|
|
return;
|
|
}
|
|
if (!SnowFlake.SnowFlakes.get(obj.constructor)) {
|
|
SnowFlake.SnowFlakes.set(obj.constructor, new Map());
|
|
}
|
|
if (SnowFlake.SnowFlakes.get(obj.constructor).get(id)) {
|
|
const snowflake = SnowFlake.SnowFlakes.get(obj.constructor).get(id).deref();
|
|
if (snowflake) {
|
|
snowflake.obj = obj;
|
|
return snowflake;
|
|
}
|
|
else {
|
|
SnowFlake.SnowFlakes.get(obj.constructor).delete(id);
|
|
}
|
|
}
|
|
this.id = id;
|
|
SnowFlake.SnowFlakes.get(obj.constructor).set(id, new WeakRef(this));
|
|
SnowFlake.FinalizationRegistry.register(this, [id, obj.constructor]);
|
|
this.obj = obj;
|
|
}
|
|
static clear() {
|
|
this.SnowFlakes = new Map();
|
|
}
|
|
/**
|
|
* Just to clarify bc TS, it returns a SnowFlake\<type> which is what you entered with the type parameter
|
|
*
|
|
**/
|
|
static getSnowFlakeFromID(id, type) {
|
|
if (!SnowFlake.SnowFlakes.get(type)) {
|
|
SnowFlake.SnowFlakes.set(type, new Map());
|
|
}
|
|
const snowflake = SnowFlake.SnowFlakes.get(type).get(id);
|
|
if (snowflake) {
|
|
const obj = snowflake.deref();
|
|
if (obj) {
|
|
return obj;
|
|
}
|
|
else {
|
|
SnowFlake.SnowFlakes.get(type).delete(id);
|
|
}
|
|
}
|
|
{
|
|
const snowflake = new SnowFlake(id, undefined);
|
|
SnowFlake.SnowFlakes.get(type).set(id, new WeakRef(snowflake));
|
|
SnowFlake.FinalizationRegistry.register(this, [id, type]);
|
|
return snowflake;
|
|
}
|
|
}
|
|
static hasSnowFlakeFromID(id, type) {
|
|
if (!SnowFlake.SnowFlakes.get(type)) {
|
|
return false;
|
|
}
|
|
const flake = SnowFlake.SnowFlakes.get(type).get(id);
|
|
if (flake) {
|
|
const flake2 = flake.deref()?.getObject();
|
|
if (flake2) {
|
|
return true;
|
|
}
|
|
else {
|
|
return false;
|
|
}
|
|
}
|
|
else {
|
|
return false;
|
|
}
|
|
}
|
|
getUnixTime() {
|
|
return Number((BigInt(this.id) >> 22n) + 1420070400000n);
|
|
}
|
|
toString() {
|
|
return this.id;
|
|
}
|
|
getObject() {
|
|
return this.obj;
|
|
}
|
|
}
|
|
export { SnowFlake };
|