Lit Example: Filters

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import { customElement, property, state } from 'lit/decorators.js'
import { LitElement, html } from 'lit'
import { repeat } from 'lit/directives/repeat.js'
import {
  FlexRender,
  TableController,
  columnFilteringFeature,
  createFilteredRowModel,
  createPaginatedRowModel,
  filterFns,
  rowPaginationFeature,
  tableFeatures,
} from '@tanstack/lit-table'
import { makeData } from './makeData'
import type {
  CellData,
  Column,
  ColumnDef,
  RowData,
  TableFeatures,
} from '@tanstack/lit-table'
import type { Person } from './makeData'

const features = tableFeatures({
  columnFilteringFeature,
  rowPaginationFeature,
})

const columns: Array<ColumnDef<typeof features, Person>> = [
  {
    accessorKey: 'firstName',
    cell: (info) => info.getValue(),
  },
  {
    accessorFn: (row) => row.lastName,
    id: 'lastName',
    cell: (info) => info.getValue(),
    header: () => html`<span>Last Name</span>`,
  },
  {
    accessorFn: (row) => `${row.firstName} ${row.lastName}`,
    id: 'fullName',
    header: 'Full Name',
    cell: (info) => info.getValue(),
  },
  {
    accessorKey: 'age',
    header: () => 'Age',
    meta: {
      filterVariant: 'range',
    },
  },
  {
    accessorKey: 'visits',
    header: () => html`<span>Visits</span>`,
    meta: {
      filterVariant: 'range',
    },
  },
  {
    accessorKey: 'status',
    header: 'Status',
    meta: {
      filterVariant: 'select',
    },
  },
  {
    accessorKey: 'progress',
    header: 'Profile Progress',
    meta: {
      filterVariant: 'range',
    },
  },
]

declare module '@tanstack/lit-table' {
  // allows us to define custom properties for our columns
  interface ColumnMeta<
    TFeatures extends TableFeatures,
    TData extends RowData,
    TValue extends CellData = CellData,
  > {
    filterVariant?: 'text' | 'range' | 'select'
  }
}

@customElement('column-filter')
class ColumnFilter extends LitElement {
  @property()
  private column!: Column<typeof features, Person>

  private onChange(evt: InputEvent) {
    this.column.setFilterValue((evt.target as HTMLInputElement).value)
  }

  render() {
    const { filterVariant } = this.column.columnDef.meta ?? {}
    const columnFilterValue = this.column.getFilterValue()

    switch (filterVariant) {
      case 'select':
        return html` <select
          @change=${(e: Event) =>
            this.column.setFilterValue((e.target as HTMLSelectElement).value)}
        >
          <option value="">All</option>
          <option value="complicated">complicated</option>
          <option value="relationship">relationship</option>
          <option value="single">single</option>
        </select>`
      case 'range':
        return html`
          <div style="display:flex;gap:2px">
            <input
              type="number"
              placeholder="Min"
              @change="${(e: Event) =>
                this.column.setFilterValue((old: [number, number]) => [
                  parseInt((e.target as HTMLInputElement).value, 10),
                  old[1],
                ])}"
              value=${(
                columnFilterValue as [number, number] | undefined
              )?.[0] ?? ''}
            />
            <input
              type="number"
              placeholder="Max"
              @change="${(e: Event) =>
                this.column.setFilterValue((old: [number, number]) => [
                  parseInt((e.target as HTMLInputElement).value, 10),
                  old[0],
                ])}"
              value=${(
                columnFilterValue as [number, number] | undefined
              )?.[1] ?? ''}
            />
          </div>
        `
      default:
        return html`<input @input=${this.onChange} />`
    }
    return null
  }
}

@customElement('lit-table-example')
class LitTableExample extends LitElement {
  @state()
  private _data: Array<Person> = makeData(50_000)

  private tableController = new TableController<typeof features, Person>(this)

  protected render() {
    const table = this.tableController.table(
      {
        features,
        rowModels: {
          filteredRowModel: createFilteredRowModel(filterFns),
          paginatedRowModel: createPaginatedRowModel(),
        },
        data: this._data,
        columns,
        debugTable: true,
        debugHeaders: true,
        debugColumns: false,
      },
      (state) => ({
        columnFilters: state.columnFilters,
        pagination: state.pagination,
      }),
    )

    return html`
      <div>
        <button
          @click=${() => {
            this._data = makeData(50_000)
          }}
        >
          Regenerate Data
        </button>
        <button
          @click=${() => {
            this._data = makeData(200_000)
          }}
        >
          Stress Test (200k rows)
        </button>
      </div>
      <table>
        <thead>
          ${repeat(
            table.getHeaderGroups(),
            (headerGroup) => headerGroup.id,
            (headerGroup) => html`
              <tr>
                ${repeat(
                  headerGroup.headers,
                  (header) => header.id,
                  (header) => html`
                    <th colspan="${header.colSpan}">
                      ${header.isPlaceholder
                        ? null
                        : html`<div>${FlexRender({ header })}</div>
                            ${header.column.getCanFilter()
                              ? html` <div>
                                  <column-filter
                                    .column="${header.column}"
                                  ></column-filter>
                                </div>`
                              : null} `}
                    </th>
                  `,
                )}
              </tr>
            `,
          )}
        </thead>
        <tbody>
          ${table.getRowModel().rows.map(
            (row) => html`
              <tr>
                ${row
                  .getAllCells()
                  .map((cell) => html` <td>${FlexRender({ cell })}</td> `)}
              </tr>
            `,
          )}
        </tbody>
      </table>
      <div class="page-controls">
        <button
          @click=${() => table.setPageIndex(0)}
          ?disabled="${!table.getCanPreviousPage()}"
        >
          <<
        </button>
        <button
          @click=${() => table.previousPage()}
          ?disabled=${!table.getCanPreviousPage()}
        >
          <
        </button>
        <button
          @click=${() => table.nextPage()}
          ?disabled=${!table.getCanNextPage()}
        >
          >
        </button>
        <button
          @click=${() => table.setPageIndex(table.getPageCount() - 1)}
          ?disabled="${!table.getCanNextPage()}"
        >
          >>
        </button>
        <span style="display: flex;gap:2px">
          <span>Page</span>
          <strong>
            ${(table.state.pagination.pageIndex + 1).toLocaleString()} of
            ${table.getPageCount().toLocaleString()}
          </strong>
        </span>
      </div>
      <pre>${JSON.stringify(table.state, null, 2)}</pre>
      <style>
        * {
          font-family: sans-serif;
          font-size: 14px;
          box-sizing: border-box;
        }

        table {
          border: 1px solid lightgray;
        }

        tbody {
          border-bottom: 1px solid lightgray;
        }

        th {
          border-bottom: 1px solid lightgray;
          border-right: 1px solid lightgray;
          padding: 2px 4px;
        }

        tfoot {
          color: gray;
        }

        tfoot th {
          font-weight: normal;
        }

        .page-controls {
          display: flex;
          gap: 10px;
          padding: 4px 0;
        }

        /* Demo layout helpers for the plain example UI. */
        .demo-root {
          padding: 0.5rem;
        }
        .spacer-xs {
          height: 0.25rem;
        }
        .spacer-sm {
          height: 0.5rem;
        }
        .spacer-md {
          height: 1rem;
        }
        .controls,
        .button-row,
        .inline-controls,
        .pin-actions,
        .filter-row,
        .form-actions {
          display: flex;
          align-items: center;
        }
        .button-row {
          flex-wrap: wrap;
          gap: 0.5rem;
        }
        .controls {
          gap: 0.5rem;
        }
        .inline-controls,
        .pin-actions {
          gap: 0.25rem;
        }
        .pin-actions {
          justify-content: center;
        }
        .filter-row {
          gap: 0.5rem;
        }
        .form-actions {
          gap: 1rem;
          margin-bottom: 1rem;
        }
        .split-tables {
          display: flex;
          gap: 1rem;
        }
        .table-row-group {
          display: flex;
        }
        .split-gap {
          gap: 1rem;
        }
        .vertical-options {
          display: flex;
          flex-direction: column;
          gap: 0.5rem;
          align-items: center;
        }
        .column-toggle-panel {
          display: inline-block;
          border: 1px solid #000;
          border-radius: 0.25rem;
          box-shadow: 0 1px 3px rgb(0 0 0 / 0.2);
        }
        .column-toggle-panel-header {
          border-bottom: 1px solid #000;
          padding: 0 0.25rem;
        }
        .column-toggle-row,
        .selection-cell {
          padding: 0 0.25rem;
        }
        .selection-cell {
          display: block;
        }
        .demo-button,
        .pin-button,
        .compact-input,
        .filter-input,
        .filter-select,
        .page-size-input,
        .text-input,
        .number-input,
        .wide-action-button,
        .primary-action,
        .secondary-action,
        .success-action {
          border: 1px solid currentColor;
          border-radius: 0.25rem;
        }
        .demo-button {
          padding: 0.5rem;
        }
        .demo-button-sm {
          padding: 0.25rem;
        }
        .demo-button-spaced {
          margin-bottom: 0.5rem;
        }
        .pin-button {
          padding: 0 0.5rem;
        }
        .outlined-table {
          border: 2px solid #000;
        }
        .outlined-control {
          border-color: #000;
        }
        .nowrap {
          white-space: nowrap;
        }
        .demo-note {
          margin-bottom: 0.5rem;
          font-size: 0.875rem;
        }
        .section-title {
          font-size: 1.25rem;
        }
        .scroll-container {
          overflow-x: auto;
        }
        .page-size-input {
          width: 4rem;
          padding: 0.25rem;
        }
        .number-input {
          width: 5rem;
          padding: 0 0.25rem;
        }
        .filter-input,
        .filter-select {
          width: 6rem;
          box-shadow: 0 1px 3px rgb(0 0 0 / 0.2);
        }
        .filter-select {
          width: 9rem;
        }
        .text-input {
          width: 100%;
          padding: 0 0.25rem;
        }
        .compact-input {
          padding: 0 0.25rem;
        }
        .wide-action-button {
          width: 16rem;
        }
        .summary-panel {
          border: 1px solid currentColor;
          box-shadow: 0 1px 3px rgb(0 0 0 / 0.2);
          padding: 0.5rem;
        }
        .sortable-header,
        .sortable {
          cursor: pointer;
          user-select: none;
        }
        .primary-action,
        .success-action,
        .secondary-action {
          color: #fff;
        }
        .primary-action {
          background: #3b82f6;
        }
        .success-action {
          background: #22c55e;
        }
        .secondary-action {
          background: #6b7280;
        }
        .submit-button:disabled {
          opacity: 0.5;
        }
        .error-text {
          color: #ef4444;
          font-size: 0.75rem;
        }
        .success-text {
          color: #16a34a;
        }
        .warning-text {
          color: #ca8a04;
        }
        .muted-text {
          color: #9ca3af;
        }
        .label-offset {
          margin-left: 0.5rem;
        }
        .cell-padding {
          padding: 0.25rem;
        }
        .table-spacer {
          margin-bottom: 0.5rem;
        }
        .centered-button-row {
          display: flex;
          flex-wrap: wrap;
          justify-content: center;
          gap: 0.5rem;
        }
      </style>
    `
  }
}

import { customElement, property, state } from 'lit/decorators.js'
import { LitElement, html } from 'lit'
import { repeat } from 'lit/directives/repeat.js'
import {
  FlexRender,
  TableController,
  columnFilteringFeature,
  createFilteredRowModel,
  createPaginatedRowModel,
  filterFns,
  rowPaginationFeature,
  tableFeatures,
} from '@tanstack/lit-table'
import { makeData } from './makeData'
import type {
  CellData,
  Column,
  ColumnDef,
  RowData,
  TableFeatures,
} from '@tanstack/lit-table'
import type { Person } from './makeData'

const features = tableFeatures({
  columnFilteringFeature,
  rowPaginationFeature,
})

const columns: Array<ColumnDef<typeof features, Person>> = [
  {
    accessorKey: 'firstName',
    cell: (info) => info.getValue(),
  },
  {
    accessorFn: (row) => row.lastName,
    id: 'lastName',
    cell: (info) => info.getValue(),
    header: () => html`<span>Last Name</span>`,
  },
  {
    accessorFn: (row) => `${row.firstName} ${row.lastName}`,
    id: 'fullName',
    header: 'Full Name',
    cell: (info) => info.getValue(),
  },
  {
    accessorKey: 'age',
    header: () => 'Age',
    meta: {
      filterVariant: 'range',
    },
  },
  {
    accessorKey: 'visits',
    header: () => html`<span>Visits</span>`,
    meta: {
      filterVariant: 'range',
    },
  },
  {
    accessorKey: 'status',
    header: 'Status',
    meta: {
      filterVariant: 'select',
    },
  },
  {
    accessorKey: 'progress',
    header: 'Profile Progress',
    meta: {
      filterVariant: 'range',
    },
  },
]

declare module '@tanstack/lit-table' {
  // allows us to define custom properties for our columns
  interface ColumnMeta<
    TFeatures extends TableFeatures,
    TData extends RowData,
    TValue extends CellData = CellData,
  > {
    filterVariant?: 'text' | 'range' | 'select'
  }
}

@customElement('column-filter')
class ColumnFilter extends LitElement {
  @property()
  private column!: Column<typeof features, Person>

  private onChange(evt: InputEvent) {
    this.column.setFilterValue((evt.target as HTMLInputElement).value)
  }

  render() {
    const { filterVariant } = this.column.columnDef.meta ?? {}
    const columnFilterValue = this.column.getFilterValue()

    switch (filterVariant) {
      case 'select':
        return html` <select
          @change=${(e: Event) =>
            this.column.setFilterValue((e.target as HTMLSelectElement).value)}
        >
          <option value="">All</option>
          <option value="complicated">complicated</option>
          <option value="relationship">relationship</option>
          <option value="single">single</option>
        </select>`
      case 'range':
        return html`
          <div style="display:flex;gap:2px">
            <input
              type="number"
              placeholder="Min"
              @change="${(e: Event) =>
                this.column.setFilterValue((old: [number, number]) => [
                  parseInt((e.target as HTMLInputElement).value, 10),
                  old[1],
                ])}"
              value=${(
                columnFilterValue as [number, number] | undefined
              )?.[0] ?? ''}
            />
            <input
              type="number"
              placeholder="Max"
              @change="${(e: Event) =>
                this.column.setFilterValue((old: [number, number]) => [
                  parseInt((e.target as HTMLInputElement).value, 10),
                  old[0],
                ])}"
              value=${(
                columnFilterValue as [number, number] | undefined
              )?.[1] ?? ''}
            />
          </div>
        `
      default:
        return html`<input @input=${this.onChange} />`
    }
    return null
  }
}

@customElement('lit-table-example')
class LitTableExample extends LitElement {
  @state()
  private _data: Array<Person> = makeData(50_000)

  private tableController = new TableController<typeof features, Person>(this)

  protected render() {
    const table = this.tableController.table(
      {
        features,
        rowModels: {
          filteredRowModel: createFilteredRowModel(filterFns),
          paginatedRowModel: createPaginatedRowModel(),
        },
        data: this._data,
        columns,
        debugTable: true,
        debugHeaders: true,
        debugColumns: false,
      },
      (state) => ({
        columnFilters: state.columnFilters,
        pagination: state.pagination,
      }),
    )

    return html`
      <div>
        <button
          @click=${() => {
            this._data = makeData(50_000)
          }}
        >
          Regenerate Data
        </button>
        <button
          @click=${() => {
            this._data = makeData(200_000)
          }}
        >
          Stress Test (200k rows)
        </button>
      </div>
      <table>
        <thead>
          ${repeat(
            table.getHeaderGroups(),
            (headerGroup) => headerGroup.id,
            (headerGroup) => html`
              <tr>
                ${repeat(
                  headerGroup.headers,
                  (header) => header.id,
                  (header) => html`
                    <th colspan="${header.colSpan}">
                      ${header.isPlaceholder
                        ? null
                        : html`<div>${FlexRender({ header })}</div>
                            ${header.column.getCanFilter()
                              ? html` <div>
                                  <column-filter
                                    .column="${header.column}"
                                  ></column-filter>
                                </div>`
                              : null} `}
                    </th>
                  `,
                )}
              </tr>
            `,
          )}
        </thead>
        <tbody>
          ${table.getRowModel().rows.map(
            (row) => html`
              <tr>
                ${row
                  .getAllCells()
                  .map((cell) => html` <td>${FlexRender({ cell })}</td> `)}
              </tr>
            `,
          )}
        </tbody>
      </table>
      <div class="page-controls">
        <button
          @click=${() => table.setPageIndex(0)}
          ?disabled="${!table.getCanPreviousPage()}"
        >
          <<
        </button>
        <button
          @click=${() => table.previousPage()}
          ?disabled=${!table.getCanPreviousPage()}
        >
          <
        </button>
        <button
          @click=${() => table.nextPage()}
          ?disabled=${!table.getCanNextPage()}
        >
          >
        </button>
        <button
          @click=${() => table.setPageIndex(table.getPageCount() - 1)}
          ?disabled="${!table.getCanNextPage()}"
        >
          >>
        </button>
        <span style="display: flex;gap:2px">
          <span>Page</span>
          <strong>
            ${(table.state.pagination.pageIndex + 1).toLocaleString()} of
            ${table.getPageCount().toLocaleString()}
          </strong>
        </span>
      </div>
      <pre>${JSON.stringify(table.state, null, 2)}</pre>
      <style>
        * {
          font-family: sans-serif;
          font-size: 14px;
          box-sizing: border-box;
        }

        table {
          border: 1px solid lightgray;
        }

        tbody {
          border-bottom: 1px solid lightgray;
        }

        th {
          border-bottom: 1px solid lightgray;
          border-right: 1px solid lightgray;
          padding: 2px 4px;
        }

        tfoot {
          color: gray;
        }

        tfoot th {
          font-weight: normal;
        }

        .page-controls {
          display: flex;
          gap: 10px;
          padding: 4px 0;
        }

        /* Demo layout helpers for the plain example UI. */
        .demo-root {
          padding: 0.5rem;
        }
        .spacer-xs {
          height: 0.25rem;
        }
        .spacer-sm {
          height: 0.5rem;
        }
        .spacer-md {
          height: 1rem;
        }
        .controls,
        .button-row,
        .inline-controls,
        .pin-actions,
        .filter-row,
        .form-actions {
          display: flex;
          align-items: center;
        }
        .button-row {
          flex-wrap: wrap;
          gap: 0.5rem;
        }
        .controls {
          gap: 0.5rem;
        }
        .inline-controls,
        .pin-actions {
          gap: 0.25rem;
        }
        .pin-actions {
          justify-content: center;
        }
        .filter-row {
          gap: 0.5rem;
        }
        .form-actions {
          gap: 1rem;
          margin-bottom: 1rem;
        }
        .split-tables {
          display: flex;
          gap: 1rem;
        }
        .table-row-group {
          display: flex;
        }
        .split-gap {
          gap: 1rem;
        }
        .vertical-options {
          display: flex;
          flex-direction: column;
          gap: 0.5rem;
          align-items: center;
        }
        .column-toggle-panel {
          display: inline-block;
          border: 1px solid #000;
          border-radius: 0.25rem;
          box-shadow: 0 1px 3px rgb(0 0 0 / 0.2);
        }
        .column-toggle-panel-header {
          border-bottom: 1px solid #000;
          padding: 0 0.25rem;
        }
        .column-toggle-row,
        .selection-cell {
          padding: 0 0.25rem;
        }
        .selection-cell {
          display: block;
        }
        .demo-button,
        .pin-button,
        .compact-input,
        .filter-input,
        .filter-select,
        .page-size-input,
        .text-input,
        .number-input,
        .wide-action-button,
        .primary-action,
        .secondary-action,
        .success-action {
          border: 1px solid currentColor;
          border-radius: 0.25rem;
        }
        .demo-button {
          padding: 0.5rem;
        }
        .demo-button-sm {
          padding: 0.25rem;
        }
        .demo-button-spaced {
          margin-bottom: 0.5rem;
        }
        .pin-button {
          padding: 0 0.5rem;
        }
        .outlined-table {
          border: 2px solid #000;
        }
        .outlined-control {
          border-color: #000;
        }
        .nowrap {
          white-space: nowrap;
        }
        .demo-note {
          margin-bottom: 0.5rem;
          font-size: 0.875rem;
        }
        .section-title {
          font-size: 1.25rem;
        }
        .scroll-container {
          overflow-x: auto;
        }
        .page-size-input {
          width: 4rem;
          padding: 0.25rem;
        }
        .number-input {
          width: 5rem;
          padding: 0 0.25rem;
        }
        .filter-input,
        .filter-select {
          width: 6rem;
          box-shadow: 0 1px 3px rgb(0 0 0 / 0.2);
        }
        .filter-select {
          width: 9rem;
        }
        .text-input {
          width: 100%;
          padding: 0 0.25rem;
        }
        .compact-input {
          padding: 0 0.25rem;
        }
        .wide-action-button {
          width: 16rem;
        }
        .summary-panel {
          border: 1px solid currentColor;
          box-shadow: 0 1px 3px rgb(0 0 0 / 0.2);
          padding: 0.5rem;
        }
        .sortable-header,
        .sortable {
          cursor: pointer;
          user-select: none;
        }
        .primary-action,
        .success-action,
        .secondary-action {
          color: #fff;
        }
        .primary-action {
          background: #3b82f6;
        }
        .success-action {
          background: #22c55e;
        }
        .secondary-action {
          background: #6b7280;
        }
        .submit-button:disabled {
          opacity: 0.5;
        }
        .error-text {
          color: #ef4444;
          font-size: 0.75rem;
        }
        .success-text {
          color: #16a34a;
        }
        .warning-text {
          color: #ca8a04;
        }
        .muted-text {
          color: #9ca3af;
        }
        .label-offset {
          margin-left: 0.5rem;
        }
        .cell-padding {
          padding: 0.25rem;
        }
        .table-spacer {
          margin-bottom: 0.5rem;
        }
        .centered-button-row {
          display: flex;
          flex-wrap: wrap;
          justify-content: center;
          gap: 0.5rem;
        }
      </style>
    `
  }
}