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const KEY_CODES = {\n  ARROW_LEFT: 'ArrowLeft',\n  ARROW_LEFT_IE11: 'Left',\n  ARROW_RIGHT: 'ArrowRight',\n  ARROW_RIGHT_IE11: 'Right',\n  ESCAPE: 'Escape',\n  ESCAPE_IE11: 'Esc',\n  TAB: 'Tab',\n  SPACE: ' ',\n  SPACE_IE11: 'Spacebar',\n  ENTER: 'Enter',\n};\n","import { KEY_CODES } from '@pratt/js/utils/constants';\n\n/**\n * Interactivity for accessible tabs\n * @see https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Roles/Tab_Role\n */\nclass Tabs {\n  constructor(tabsWrapper, orientation = 'horizontal', withHashes = false, onTabChange = null) {\n    // Any element containing tablist and tabpanels\n    this.tabsWrapper = tabsWrapper;\n    this.orientation = orientation;\n    this.withHashes = withHashes;\n    this.onTabChange = onTabChange;\n\n    this.tabList = this.tabsWrapper.querySelector('[role=\"tablist\"]');\n    this.tabs = Array.from(this.tabList.querySelectorAll('[role=\"tab\"]'));\n    this.tabPanels = Array.from(this.tabsWrapper.querySelectorAll('[role=\"tabpanel\"]'));\n\n    this.departmentSelector = document.querySelector('.archive-program__departments');\n\n    this.tabFocus = 0;\n    this.tabMap = {};\n\n    this.init();\n  }\n\n  /**\n   * Add event listeners\n   *\n   * @returns void\n   */\n  init() {\n    // Enable arrow navigation between tabs in the tab list\n    this.tabList.addEventListener('keydown', e => this.handleKeydown(e));\n\n    // Add a click event handler to each tab\n    this.tabs.forEach(tab => {\n      tab.addEventListener('click', e => this.changeTabs(e.target));\n    });\n\n    if (this.withHashes) {\n      this.tabs.forEach(tab => {\n        const hash = this.getTabHashFromId(tab.id);\n        this.tabMap[hash] = tab;\n      });\n\n      window.addEventListener('load', () => this.handleHash(), false);\n      window.addEventListener('hashchange', () => this.handleHash(), false);\n    }\n  }\n\n  // Example: 'tab-foo' -> '#foo'\n  getTabHashFromId(id) {\n    return `#${id.replace('tab-', '')}`.toLowerCase();\n  }\n\n  // Programmatically clicks a tab depending on the location hash\n  handleHash() {\n    const { hash } = window.location;\n    if (hash) {\n      setTimeout(() => {\n        const tabEl = this.tabMap[hash];\n        if (tabEl) {\n          tabEl.click();\n        }\n      }, 0);\n    }\n  }\n\n  /**\n   * Increment tab focus index and make active tab focusable\n   *\n   * @returns void\n   */\n  incrementTabFocus() {\n    this.tabs[this.tabFocus].setAttribute('tabindex', -1);\n    this.tabFocus++;\n    // If we're at the end, go to the start\n    if (this.tabFocus >= this.tabs.length) {\n      this.tabFocus = 0;\n    }\n    this.tabs[this.tabFocus].setAttribute('tabindex', 0);\n    this.tabs[this.tabFocus].focus();\n  }\n\n  /**\n   * Decrement tab focus index and make active tab focusable\n   *\n   * @returns void\n   */\n  decrementTabFocus() {\n    this.tabs[this.tabFocus].setAttribute('tabindex', -1);\n    this.tabFocus--;\n    // If we're at the start, move to the end\n    if (this.tabFocus < 0) {\n      this.tabFocus = this.tabs.length - 1;\n    }\n    this.tabs[this.tabFocus].setAttribute('tabindex', 0);\n    this.tabs[this.tabFocus].focus();\n  }\n\n  /**\n   * Handle keyboard navigation with arrows\n   *\n   * @param {KeyboardEvent} e Keyboard event from tablist keyboard event listener\n   *\n   * @returns void\n   */\n  handleKeydown(e) {\n    switch (e.key) {\n      case KEY_CODES.ARROW_LEFT:\n      case KEY_CODES.ARROW_LEFT_IE11: {\n        e.preventDefault();\n        if (this.orientation === 'horizontal') {\n          this.decrementTabFocus();\n        }\n        break;\n      }\n\n      case KEY_CODES.ARROW_RIGHT:\n      case KEY_CODES.ARROW_RIGHT_IE11: {\n        e.preventDefault();\n        if (this.orientation === 'horizontal') {\n          this.incrementTabFocus();\n        }\n        break;\n      }\n\n      case KEY_CODES.ARROW_UP:\n      case KEY_CODES.ARROW_UP_IE11: {\n        e.preventDefault();\n        if (this.orientation === 'vertical') {\n          this.decrementTabFocus();\n        }\n        break;\n      }\n\n      case KEY_CODES.ARROW_DOWN:\n      case KEY_CODES.ARROW_DOWN_IE11: {\n        e.preventDefault();\n        if (this.orientation === 'vertical') {\n          this.incrementTabFocus();\n        }\n        break;\n      }\n\n      default: {\n        break;\n      }\n    }\n  }\n\n  /**\n   * Handle changing tabs when clicking on a tab\n   *\n   * @param {HTMLElement} target HTML element with role=\"tab\"\n   *\n   * @returns void\n   */\n  changeTabs(target) {\n    // Remove all current selected tabs\n    Array.from(this.tabList.querySelectorAll('[aria-selected=\"true\"]')).forEach(tab =>\n      tab.setAttribute('aria-selected', false),\n    );\n\n    // Set this tab as selected\n    target.setAttribute('aria-selected', true);\n\n    // Mark the selected tab index on the parent (for desktop pill transaition)\n    const selectedTabIndex = this.tabs.indexOf(target);\n    this.tabList.dataset.selectedTabIndex = selectedTabIndex;\n\n    // Hide all tab panels\n    this.tabPanels.forEach(panel => panel.setAttribute('hidden', true));\n\n    // Hide department selector if SCPS tab.\n    if (this.departmentSelector && target.id === 'tab-Continuing') {\n      this.departmentSelector.setAttribute('hidden', true);\n    } else if (this.departmentSelector && target.id !== 'tab-Continuing') {\n      this.departmentSelector.removeAttribute('hidden');\n    }\n\n    // Show the selected panel\n    this.tabsWrapper\n      .querySelector(`#${target.getAttribute('aria-controls')}`)\n      .removeAttribute('hidden');\n\n    // Change URL based on selected tab\n    if (this.withHashes && window.history && window.history.pushState) {\n      const hash = this.getTabHashFromId(target.id);\n      window.history.pushState({}, '', hash);\n    }\n\n    // Run an optional function on change\n    if (this.onTabChange) {\n      this.onTabChange();\n    }\n\n    // Dispatch custom event in order to subscribe to state changes\n    target.dispatchEvent(\n      new CustomEvent('tab-state', {\n        bubbles: true,\n        detail: {\n          index: selectedTabIndex,\n          target: target,\n          tabPanel: this.tabsWrapper.querySelector(`#${target.getAttribute('aria-controls')}`),\n        },\n      }),\n    );\n  }\n\n  /**\n   * Select the first tab to \"reset\" the tabs\n   *\n   * @returns void\n   */\n  resetTabs() {\n    const firstTab = this.tabs[0];\n    this.changeTabs(firstTab);\n  }\n}\n\nexport default Tabs;\n","import Tabs from '@pratt/js/components/tabs';\n\nclass ProgramTabs {\n  constructor(rootEl) {\n    this.rootEl = rootEl;\n    if (!this.rootEl) {\n      throw new Error('Root program tabs element not found.');\n    }\n\n    const isFilterable = this.rootEl.dataset['filterable'];\n\n    this.tabs = new Tabs(this.rootEl, 'horizontal', !!isFilterable);\n\n    if (isFilterable) {\n      this.departmentSelect = this.rootEl.querySelector('.js-program-tabs-departments-select');\n      this.filterReset = this.rootEl.querySelector('.js-program-tabs-departments-clear');\n      this.schoolSections = this.rootEl.querySelectorAll('.archive-programs__school-section');\n      this.programs = this.rootEl.querySelectorAll('.archive-programs__school-item');\n      this.programSections = this.rootEl.querySelectorAll('.archive-programs__programs-section');\n\n      const urlParams = new URLSearchParams(window.location.search);\n      this.schoolSlugToFilter = urlParams.get('school');\n      this.departmentSlugToFilter = urlParams.get('department');\n\n      this.bindEvents();\n      this.filter();\n    }\n  }\n\n  bindEvents() {\n    this.filterReset.addEventListener('click', () => {\n      this.tabs.resetTabs();\n      window.history.pushState({}, '', `${window.location.origin}${window.location.pathname}`);\n      this.schoolSlugToFilter = null;\n      this.departmentSlugToFilter = null;\n      this.filter();\n    });\n\n    this.departmentSelect.addEventListener('change', e => {\n      let optionValue = e.target.value;\n      if (!optionValue) {\n        optionValue = `${window.location.origin}${window.location.pathname}`;\n      }\n      window.history.pushState({}, '', `${optionValue}${window.location.hash}`);\n      const params = new URLSearchParams(optionValue);\n      this.schoolSlugToFilter = params.get('school');\n      this.departmentSlugToFilter = params.get('department');\n      this.filter();\n    });\n  }\n\n  filter() {\n    if (this.schoolSlugToFilter || this.departmentSlugToFilter) {\n      this.filterReset.removeAttribute('disabled');\n    } else {\n      this.filterReset.setAttribute('disabled', '');\n    }\n\n    this.departmentSelect.value =\n      this.schoolSlugToFilter && this.departmentSlugToFilter\n        ? `?school=${this.schoolSlugToFilter}&department=${this.departmentSlugToFilter}`\n        : '';\n\n    this.schoolSections.forEach(section => {\n      section.removeAttribute('hidden');\n\n      if (this.schoolSlugToFilter) {\n        const schoolSlug = section.dataset['school'];\n        if (schoolSlug !== this.schoolSlugToFilter) {\n          section.setAttribute('hidden', '');\n        }\n      }\n    });\n\n    this.programs.forEach(program => {\n      program.removeAttribute('hidden');\n\n      if (this.departmentSlugToFilter) {\n        const departmentSlug = program.dataset['department'];\n        if (departmentSlug !== this.departmentSlugToFilter) {\n          program.setAttribute('hidden', '');\n        }\n      }\n    });\n\n    this.programSections.forEach(section => {\n      const emptyText = section.querySelector('.archive-programs__empty');\n      emptyText.setAttribute('hidden', '');\n\n      const programs = Array.from(section.querySelectorAll('.archive-programs__school-item'));\n      const shownPrograms = programs.filter(program => !program.hasAttribute('hidden'));\n\n      // If all programs items are hidden, show empty text\n      if (!shownPrograms.length) {\n        emptyText.removeAttribute('hidden');\n      }\n    });\n  }\n}\n\nexport default ProgramTabs;\n"],"names":["KEY_CODES","ARROW_LEFT","ARROW_LEFT_IE11","ARROW_RIGHT","ARROW_RIGHT_IE11","ESCAPE","ESCAPE_IE11","TAB","SPACE","SPACE_IE11","ENTER","constructor","tabsWrapper","orientation","withHashes","onTabChange","this","tabList","querySelector","tabs","Array","from","querySelectorAll","tabPanels","departmentSelector","document","tabFocus","tabMap","init","addEventListener","e","handleKeydown","forEach","tab","changeTabs","target","hash","getTabHashFromId","id","window","handleHash","replace","toLowerCase","location","setTimeout","tabEl","click","incrementTabFocus","setAttribute","length","focus","decrementTabFocus","key","preventDefault","ARROW_UP","ARROW_UP_IE11","ARROW_DOWN","ARROW_DOWN_IE11","selectedTabIndex","indexOf","dataset","panel","removeAttribute","getAttribute","history","pushState","dispatchEvent","CustomEvent","bubbles","detail","index","tabPanel","resetTabs","firstTab","rootEl","Error","isFilterable","Tabs","departmentSelect","filterReset","schoolSections","programs","programSections","urlParams","URLSearchParams","search","schoolSlugToFilter","get","departmentSlugToFilter","bindEvents","filter","origin","pathname","optionValue","value","params","section","program","emptyText","hasAttribute"],"sourceRoot":""}