carbon-components-svelte/src/DataTable/ToolbarSearch.svelte

<script>
  /** @restProps {input} */

  /**
   * Specify the value of the search input
   * @type {number | string}
   */
  export let value = "";

  /** Set to `true` to expand the search bar */
  export let expanded = false;

  /** Set to `true` to keep the search bar expanded */
  export let persistent = false;

  /** Set to `true` to disable the search bar */
  export let disabled = false;

  /**
   * Set to `true` to filter table rows using the search value.
   *
   * If `true`, the default search excludes `id`, `cells` fields and
   * only does a basic comparison on string and number type cell values.
   *
   * To implement your own client-side filtering, pass a function
   * that accepts a row and value and returns a boolean.
   * @type {boolean | ((row: import("./DataTable.svelte").DataTableRow, value: number | string) => boolean)}
   */
  export let shouldFilterRows = false;

  /** Specify the tabindex */
  export let tabindex = "0";

  /**
   * Obtain a reference to the input HTML element
   * @type {null | HTMLInputElement}
   */
  export let ref = null;

  import { tick, getContext } from "svelte";
  import Search from "../Search/Search.svelte";

  const { tableRows } = getContext("DataTable") ?? {};

  $: originalRows = tableRows ? [...$tableRows] : [];
  $: if (shouldFilterRows) {
    let rows = originalRows;

    if (value.trim().length > 0) {
      if (shouldFilterRows === true) {
        rows = rows.filter((row) => {
          return Object.entries(row)
            .filter(([key]) => key !== "id")
            .some(([key, _value]) => {
              if (typeof _value === "string" || typeof _value === "number") {
                return (_value + "")
                  ?.toLowerCase()
                  .includes(value.trim().toLowerCase());
              }
            });
        });
      } else if (typeof shouldFilterRows === "function") {
        rows = rows.filter((row) => shouldFilterRows(row, value) ?? false);
      }
    }

    tableRows.set(rows);
  }

  async function expandSearch() {
    await tick();
    if (disabled || persistent || expanded) return;
    expanded = true;
    await tick();
    ref.focus();
  }

  $: expanded = !!value.length;
  $: classes = [
    expanded && "bx--toolbar-search-container-active",
    persistent
      ? "bx--toolbar-search-container-persistent"
      : "bx--toolbar-search-container-expandable",
    disabled && "bx--toolbar-search-container-disabled",
  ]
    .filter(Boolean)
    .join(" ");
</script>

<Search
  tabindex="{tabindex}"
  disabled="{disabled}"
  {...$$restProps}
  searchClass="{classes} {$$restProps.class}"
  bind:ref
  bind:value
  on:clear
  on:clear="{expandSearch}"
  on:change
  on:input
  on:focus
  on:focus="{expandSearch}"
  on:blur
  on:blur="{() => {
    expanded = !persistent && !!value.length;
  }}"
/>