JsonDatabase is a subclass of Map that provides additional functionality for storing and retrieving data from a dynamic properties.
new JsonDatabase(world, "MyId");Creates a new instance of JsonDatabase.
source- An instance of theworldorentityclass.identifier- A string that will be used as a identifier for keys in the database.
isDisposed: A boolean that indicates whether the database instance has been disposed.
Sets the value of a key in the database.
key- A string representing the key to set.value- The value to set for the key.
The this instance.
ReferenceError- If the database instance is no longer valid.TypeError- If the key is too long or if the size of the data in string is too long.
Deletes a key from the database.
key- A string representing the key to delete.
true if the key was deleted, false otherwise.
ReferenceError- If the database instance is no longer valid.
Clears all keys from the database.
The this instance.
ReferenceError- If the database instance is no longer valid.
Checks if the database instance is valid.
true if the database instance is valid, false otherwise.
Disposes of the database instance.
ReferenceError- If the database instance is no longer valid.
WorldDatabase is a subclass of JsonDatabase that provides additional functionality for storing and retrieving data from a dynamic properties.
new WorldDatabase("My Id");Creates a new instance of WorldDatabase.
Using JsonDatabase with world as source has same effect as WorldDatabase
import {world} from "@minecraft/server";
import {JsonDatabase} from "./con-database.js";
const db = new JsonDatabase(world, "my id");
db.set("key1", "value1");
db.set("key2", {isComplexObject: true});
console.warn(db.get("key1")); // "value1"
db.delete("key1");
console.warn(db.get("key1")); // undefined
// Iterating over the map using for loop
for (const [key, value] of db) {
console.warn(`${key} = ${value}`);
}
db.clear();
// Getting the size of the map
console.warn(db.size); // 0