some code and stuff

inventory/public/js/components/modal.js

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+import { categoryPicker, storePicker } from "./selectComponent.js";
+
+function formInput(props) {
+  const formItemDiv = document.createElement("div");
+  formItemDiv.classList.add("form-item");
+  const input = document.createElement("input");
+  input.name = props.name;
+  const label = document.createElement("label");
+  label.textContent = props.labelText;
+  formItemDiv.append(label, input);
+
+  return formItemDiv;
+}
+
+async function modal() {
+  const div = document.createElement("div");
+  div.classList.add("modal");
+  div.style = `
+    display: none;
+    positino: fixed;
+    z-index: 1;
+    left: 0;
+    top: 0;
+    width: 100%;
+    height: 50vh;
+    overflow: auto;
+    background-color: rgb(0,0,0);
+    background-color: rgba(0,0,0,0.4);
+  `;
+
+  const form = document.createElement("form");
+  form.method = "POST";
+  form.action = "/item";
+  const name = formInput({ labelText: "Name", name: "name" });
+  const price = formInput({ labelText: "Price", name: "price" });
+  const qty = formInput({ labelText: "QTY", name: "qty" });
+
+  const categories = await categoryPicker();
+  const stores = await storePicker();
+
+  const submitButton = document.createElement("button");
+  submitButton.type = "submit";
+  submitButton.classList.add("btn");
+  submitButton.textContent = "Add Item";
+
+  const closeButton = document.createElement("button");
+  closeButton.textContent = "Close";
+  closeButton.addEventListener("click", () => {
+    div.style.display = "none";
+  });
+
+  form.append(name, price, qty, categories, stores, submitButton, closeButton);
+  div.append(form);
+
+  return div;
+}
+
+export { modal };

inventory/public/js/components/selectComponent.js

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+async function getData(path) {
+  const categories = await fetch(`/${path}`);
+  return await categories.json();
+}
+
+function selectComponent(data, select) {
+  data.forEach((opt) => {
+    const option = document.createElement("option");
+    option.value = opt.name;
+    option.textContent = opt.name;
+    select.append(option);
+  });
+}
+
+async function categoryPicker() {
+  const selectQuery = document.querySelector(".categories-list-modal");
+  if (selectQuery) document.body.remove(selectQuery);
+
+  const categories = await getData("categories");
+
+  const formItemDiv = document.createElement("div");
+  formItemDiv.classList.add("form-item");
+
+  const formLabel = document.createElement("label");
+  formLabel.textContent = "Categories";
+
+  const select = document.createElement("select");
+  select.classList.add("categories-list-modal");
+  select.name = "category";
+
+  selectComponent(categories, select);
+
+  formItemDiv.append(formLabel, select);
+  return formItemDiv;
+}
+
+async function storePicker() {
+  const selectQuery = document.querySelector(".store-list-modal");
+  if (selectQuery) document.body.remove(selectQuery);
+
+  const stores = await getData("stores");
+
+  const formItemDiv = document.createElement("div");
+  formItemDiv.classList.add("form-item");
+
+  const formLabel = document.createElement("label");
+  formLabel.textContent = "stores";
+
+  const select = document.createElement("select");
+  select.classList.add("stores-list-modal");
+  select.name = "store";
+
+  selectComponent(stores, select);
+
+  formItemDiv.append(formLabel, select);
+  return formItemDiv;
+}
+
+export { categoryPicker, storePicker };