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3‐ delByID Command
The delByID
command is used to delete data from a database managed by the jsonverse
package based on a specified ID. It is a method of the jsonverse
class and allows you to remove specific data items from a data store.
jsonverse.delByID(id);
-
id
(string): The unique identifier of the data item you want to delete.
const Jsonverse = require("jsonverse"); // Import the jsonverse package
// Initialize the JSONDatabase instance
const db = new Jsonverse({
dataFolderPath: "./MyData", // data directory
logFolderPath: "./MyLogs", // logs directory
activateLogs: true, // to enable the logs set this value to true
});
// Define the ID of the data item to delete
const itemIdToDelete = "12345"; // Replace with the actual ID
// Delete the data item with the specified ID using promises
jsonverse
.delByID(itemIdToDelete)
.then(() => {
console.log("Data item deleted successfully.");
})
.catch((error) => {
console.error("Error deleting data:", error);
});
In this example, we create an instance of the jsonverse
class and use the delByID
method to delete a specific data item from the data store based on its ID. We handle the result using promises for asynchronous operation.
const Jsonverse = require("jsonverse"); // Import the jsonverse package
const jsonverse = new Jsonverse("./data"); // Initialize jsonverse with data folder path
// Define the ID of the data item to delete
const itemIdToDelete = "12345"; // Replace with the actual ID
// Delete the data item with the specified ID using a callback function
jsonverse.delByID(itemIdToDelete, (error) => {
if (error) {
console.error("Error deleting data:", error);
} else {
console.log("Data item deleted successfully.");
}
});
In this example, we create an instance of the jsonverse
class and use the delByID
method to delete a specific data item from the data store based on its ID. We handle the result using a callback function for asynchronous operation.
This documentation provides an overview of the delByID
command in the jsonverse
package, demonstrating how to delete data items by their unique IDs with and without promises.