# Exemplos

{% hint style="danger" %}

### <mark style="color:red;">Aprendendo antes!</mark>

Antes de ver os código de exemplo, verifique as [**sintaxes**](https://ramiresoliv.gitbook.io/local-db-express-docs/syntaxes) antes.
{% endhint %}

{% content-ref url="syntaxes" %}
[syntaxes](https://ramiresoliv.gitbook.io/local-db-express-docs/syntaxes)
{% endcontent-ref %}

### Código de exemplo 1

<pre class="language-javascript" data-title="Exemple.js" data-overflow="wrap" data-line-numbers><code class="lang-javascript">// -- can be found in local-db-express/test/index.js -- //

// exemple script starts
<strong>const datastorage = require("local-db-express"); // calling
</strong>
// Runs in a async function. Because the awaits.. Responses.
async function run(my_string_value) {
  const documentName = "my_document";

  const new_collection_name = await datastorage.collection.create(
    "my_collection"
  );
  // new_collection returns the collection name! (when created.)

  const added_document = await datastorage.document.add(
    new_collection_name,
    documentName,
    {
      tip: "you can put json arrays or just a little string.",
      info: my_string_value,
    }
  ); // TIP: if you want in the "new_collection_name" you can just put the collection normal name. EX: "my_collection"

  const getted_document = await datastorage.document.get(
    new_collection_name,
    documentName
  );

  console.log(getted_document);
  console.log("wait...");
  setTimeout(async () => {
    console.log("Oh no!!! I forgot something!... MY NAME!!!!");
  }, 1000);

  // wait... Oh no!!! I forgot something!... MY NAME!!!!
  setTimeout(async () => {
    const updated_document = await datastorage.document.update(
      new_collection_name,
      documentName,
      function (oldData) {
        const newData = oldData; // create a new array with the oldData.

        newData.name = "RamiresOliv"; // i am added my name in.

        return newData; // and just return the new array or string. End :D
      }
    );

    console.log(updated_document);
    console.log("AUGHHHHHHH, oh.. solved! :D");
    console.log("in 30s the document and the collection will be deleted.");
    setTimeout(async () => {
      const delete_document = await datastorage.document.delete(
        new_collection_name,
        documentName
      );
      const delete_collection = await datastorage.collection.delete(
        new_collection_name
      );
      console.log("Thank you &#x3C;3 bye bye!!");
    }, 30000);
  }, 2000);
}

// running :3
run("I am using LDE! Per my first time!!");
// exemple script ends
</code></pre>