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coorassecoorasse
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Add a command-list component
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‎app/assets/stylesheets/application.scss‎

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@import 'assets_panel';
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@import 'components/disappearing_alert';
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@import 'components/tab';
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@import 'components/command_list';

‎app/assets/stylesheets/components/_command_list.scss‎

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.command-list {
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.command-list-button {
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min-width: 170px;
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}
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.modal-dialog {
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--bs-modal-width: 600px;
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--bs-modal-margin: 5rem;
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--bs-modal-padding: 1.5rem;
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}
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.list-group-item {
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color: $navbar-light-color;
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&.active {
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color: white;
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}
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}
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.command-list-footer {
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color: $navbar-light-color;
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}
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.command-list-icon {
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border: 1px outset $navbar-light-color;
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}
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}

‎app/components/previews/command_list_component_preview.rb‎

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# frozen_string_literal: true
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# frozen_literal_string: true
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class CommandListComponentPreview < Lookbook::Preview
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include LookbookHelper
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# @source ../../../app/views/components/command_lists/_themes.html.erb
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def themes
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render 'components/command_lists/themes'
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end
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end

‎app/javascript/controllers/command_list_controller.js‎

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import { Controller } from "@hotwired/stimulus"
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export default class CommandListController extends Controller {
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static targets = ['list', 'metaKey', "searchField", "listGroup", "listItem"];
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connect() {
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this.modal = new bootstrap.Modal(this.listTarget, {})
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this.children = Array.from(this.listGroupTargets[0].children);
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if (this.listItemTargets.length > 0) {
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this.switchActive(this.listItemTargets[0]);
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}
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this.metaKeyTarget.innerText = this.getMetaKey()
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document.addEventListener("keydown", this.handleKeydown.bind(this));
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}
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disconnect() {
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document.removeEventListener("keydown", this.handleKeydown.bind(this));
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}
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handleKeydown(event) {
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console.log('handling keydown', event.metaKey, event.key);
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if ((event.metaKey) && event.key === "k") {
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this.openModal();
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}
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}
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openModal() {
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this.modal.show();
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this.searchField().focus();
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}
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performCommand(event) {
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event.preventDefault();
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const searchParts = this.searchField().value.split(',').map(part => part.trim());
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const command = this.activeCommand.dataset.command
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.replace('_1_', searchParts[0])
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.replace('_2_', searchParts[1])
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.replace('_3_', searchParts[2]);
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if (this.activeCommand.dataset.target == "_blank") {
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window.open(command, '_blank');
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} else {
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Turbo.visit(command);
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}
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}
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getMetaKey() {
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const userAgent = window.navigator.userAgent.toLowerCase();
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if (userAgent.includes(' mac ')) {
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return '⌘';
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} else {
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return 'CTRL';
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}
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}
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switchActive(element) {
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if (this.activeCommand) {
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this.activeCommand.classList.remove('active');
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}
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element.classList.add('active');
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this.activeCommand = element;
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this.searchField().placeholder = element.dataset.placeholder ?? '';
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}
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selectCommand(event) {
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event.preventDefault();
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this.switchActive(event.currentTarget);
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this.searchField().focus()
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}
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previousItem() {
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const previous = this.listItemTargets[this.listItemTargets.indexOf(this.activeCommand) - 1];
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if (previous) {
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this.switchActive(previous)
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}
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}
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nextItem() {
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const next = this.listItemTargets[this.listItemTargets.indexOf(this.activeCommand) + 1];
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if (next) {
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this.switchActive(next)
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}
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}
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searchField() {
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return this.searchFieldTarget
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}
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}

‎app/views/components/command_lists/_themes.html.erb‎

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<div class="alert alert-warning">
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Since this page is an iframe, you need to click here first, and then press the shortcut.
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</div>
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<%
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command_list_actions = [
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{ label: 'Search on Google',
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command: 'https://www.google.com/search?q=_1_',
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placeholder: 'Search text',
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category: 'search',
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target: '_blank' },
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{ label: 'Go to component',
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command: '/lookbook/inspect/_1_/themes',
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placeholder: 'badge, button, avatar, etc.',
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category: 'link' },
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].group_by { |action| action[:category] }
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%>
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<div data-controller="command-list" class="command-list">
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<a href="#" class="nav-item me-3 p-1 text-decoration-none">
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<div class="input-group command-list-button ms-2" data-bs-toggle="modal" data-bs-target="#command-list-modal">
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<span class="input-group-text" id="basic-addon1"><i class="fa fa-search"></i></span>
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<div class="form-control form-control-sm text-center py-2">
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<%= t('command_list.press') %>
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<kbd class="command-list-icon" data-command-list-target="metaKey"></kbd> + <kbd class="command-list-icon">K</kbd>
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</div>
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</div>
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</a>
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<div id="command-list-modal" class="modal" tabindex="-1" data-command-list-target="list">
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<div class="modal-dialog">
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<div class="modal-content">
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<div class="modal-body">
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<div class="input-group mb-3">
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<span class="input-group-text" id="basic-addon1"><i class="fa fa-search"></i></span>
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<input autocomplete="off"
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type="text"
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class="form-control"
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data-command-list-target="searchField"
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data-action="keydown.up->command-list#previousItem
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keydown.enter->command-list#performCommand
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keydown.down->command-list#nextItem">
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</div>
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<div class="list-group" data-command-list-target="listGroup">
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<% command_list_actions.each do |category, actions| %>
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<div class="form-label mt-2 fw-medium"><%= t("command_list.#{category}") %></div>
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<% actions.each do |action| %>
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<a class="list-group-item" href="#"
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data-action="click->command-list#selectCommand"
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data-command-list-target="listItem"
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data-placeholder="<%= action[:placeholder] || '' %>"
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data-command="<%= action[:command] %>"
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data-target="<%= action[:target] || '' %>">
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<%= action[:label] %>
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</a>
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<% end %>
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<% end %>
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</div>
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</div>
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<div class="modal-footer d-flex command-list-footer">
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<small class="pe-1"><kbd class="command-list-icon">⏎</kbd> <%= t('command_list.to_select') %></small>
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<small class="pe-1">
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<kbd class="command-list-icon">↑</kbd>
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<kbd class="command-list-icon">↓</kbd>
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<%= t('command_list.to_navigate') %>
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</small>
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<small class="pe-1"><kbd class="command-list-icon">ESC</kbd> <%= t('command_list.to_exit') %></small>
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</div>
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</div>
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</div>
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</div>
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</div>

‎test/system/pages_test.rb‎

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click_button('Dangerous Action')
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assert_selector 'button', text: 'Confirm'
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end
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test 'visit the command_list page' do
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visit_preview_page('command_list/themes')
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assert_selector 'div.command-list'
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end
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end

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