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SearchControls from './search-controls';\nimport { on } from '@src/utils';\n\nclass FacultyControls extends SearchControls {\n  constructor(el, state) {\n    super(el, state);\n\n    // DOM.\n    this.appEl = el;\n    this.facultyTypeEls = Array.from(el.querySelectorAll('input[name][type=\"checkbox\"]'));\n    this.resetButtons = Array.from(el.querySelectorAll('[data-search-reset]'));\n\n    // Callback bindings.\n    this.handleCheckChange = this.handleCheckChange.bind(this);\n    this.handleReset = this.handleReset.bind(this);\n\n    // Init.\n    this.setupExtraListeners();\n\n    // Ensure that state is in line with default checkboxes and other linked parameters.\n    const params = this.state.get('params');\n    const newParams = this.scanCheckboxes('faculty_type', Array.from(this.facultyTypeEls));\n    params.faculty_type = newParams.faculty_type;\n    this.state.set('params', params);\n  }\n\n  /**\n   * Sets up event listeners on the control elements.\n   *\n   * @return void\n   */\n  setupExtraListeners() {\n    this.listeners = [...this.listeners];\n\n    // Specifically attach the checkbox and reset listeners so we can reattach them later.\n    this.checkboxListenerOff = on(this.facultyTypeEls, 'change', this.handleCheckChange);\n    this.resetListenerOff = on(this.resetButtons, 'click', this.handleReset);\n  }\n\n  /**\n   * Some listeners need to be refreshed after results and facets get injected.\n   *\n   * @return void\n   */\n  refreshListeners() {\n    // Reset the event listeners.\n    if (this.checkboxListenerOff) {\n      this.checkboxListenerOff();\n    }\n    this.checkboxes = Array.from(this.controlsEl.querySelectorAll('input[name][type=\"checkbox\"]'));\n    this.checkboxListenerOff = on(this.checkboxes, 'change', this.handleCheckChange);\n\n    if (this.resetListenerOff) {\n      this.resetListenerOff();\n    }\n    this.resetButtons = Array.from(this.appEl.querySelectorAll('[data-search-reset]'));\n    this.resetListenerOff = on(this.resetButtons, 'click', this.handleReset);\n  }\n\n  /**\n   * Updates the reset buttons after a query change.\n   *\n   * @return void\n   */\n  updateResetButtons() {\n    const foundPosts = this.state.get('foundPosts');\n    const noFilterCount = this.state.get('noFilterCount');\n    const isFiltered = parseInt(foundPosts) !== parseInt(noFilterCount);\n\n    this.resetButtons\n      .filter(btn => btn.dataset.searchReset === 'conditional')\n      .forEach(btn => {\n        if (isFiltered) {\n          btn.removeAttribute('style');\n        } else {\n          btn.style.display = 'none';\n        }\n      });\n  }\n\n  /**\n   * Hit the reset button.\n   *\n   * @return void\n   */\n  handleReset() {\n    const oldParams = { ...this.state.get('params') };\n\n    const newParams = {\n      page: 1,\n    };\n\n    // Don't reset some parameters.\n    const keepParams = ['view', 'perPage'];\n    keepParams.forEach(param => {\n      if (oldParams[param]) {\n        newParams[param] = oldParams[param];\n      }\n    });\n\n    if (oldParams.hls_course_academic_period) {\n      newParams.hls_course_academic_period = oldParams.hls_course_academic_period;\n    }\n\n    if (this.searchInput) {\n      this.searchInput.value = '';\n    }\n\n    this.selects.forEach(select => {\n      // Special cases for the academic period selector.\n      if (select.name !== 'hls_course_academic_period') {\n        select.value = '';\n        select.dataset.chosen = '';\n      }\n    });\n\n    this.checkboxes.forEach(checkbox => (checkbox.checked = false));\n    this.state.set('lastChanged', null);\n    this.state.set('params', newParams);\n    this.ariaState.innerText = 'All filters have been reset';\n    this.triggerChange(true, false);\n  }\n\n  scanCheckboxes(name, group) {\n    const checked = group.filter(checkbox => checkbox.checked).map(checkbox => checkbox.value);\n    const newParams = { ...this.state.get('params') };\n\n    if (checked.length > 0) {\n      newParams[name] = checked;\n    } else {\n      delete newParams[name];\n    }\n\n    return newParams;\n  }\n\n  /**\n   * Handles the change of a checkbox element.\n   *\n   * @param {object} event\n   *\n   * @erturn void\n   */\n  handleCheckChange(event) {\n    const name = event.target.name;\n    const group = this.checkboxes.filter(checkbox => checkbox.name === name);\n    const newParams = this.scanCheckboxes(name, group);\n\n    newParams.page = 1;\n\n    this.state.set('params', newParams);\n    this.state.set('lastChanged', name);\n    this.triggerChange();\n  }\n\n  /**\n   * Triggers the change event.\n   *\n   * @param {boolean} runChangeFns Whether to trigger the onchange functions or not.\n   * @param {boolean} updateAriaState Whether to trigger a change to the aria state.\n   *\n   * @return void\n   */\n  triggerChange(runChangeFns = true, updateAriaState = true) {\n    super.triggerChange(runChangeFns, updateAriaState);\n\n    window.scrollTo({\n      top: 0,\n      left: 0,\n      behavior: 'smooth',\n    });\n  }\n}\n\nexport default FacultyControls;\n","import SearchApp from './search-app';\nimport { on } from '@src/utils';\nimport FacultyControls from './faculty-controls';\nimport { facultyTease } from './render';\n\nconst { ALGOLIA_TYPE_INDEX_NAME } = window.algoliaSettings || {};\n\nclass FacultySearch extends SearchApp {\n  TYPE_ORDER = [\n    'HLS Professors',\n    'Emeritus Professors',\n    'Lecturers',\n    'Visiting Professors',\n    'Harvard University Affiliated Professors',\n  ];\n\n  facultyListeners = [];\n\n  constructor(el) {\n    super(el);\n\n    // Bindings.\n    this.handleInterestFilter = this.handleInterestFilter.bind(this);\n\n    // Set up facets for the faculty query.\n    this.facets = ['faculty_type', 'searchable_interest_areas'];\n\n    this.setupHooks();\n    this.afterQueryComplete();\n  }\n\n  /**\n   * @inheritdoc\n   */\n  setupControls() {\n    this.controls = new FacultyControls(this.el, this.state);\n  }\n\n  deinit() {\n    super.deinit();\n    this.facultyListeners.forEach(listener =>\n      typeof listener.off === 'function' ? listener.off : null,\n    );\n  }\n\n  getTypeOrder(facType) {\n    const order = this.TYPE_ORDER.indexOf(facType);\n    return order >= 0 ? order : 999;\n  }\n\n  getIndexName() {\n    return ALGOLIA_TYPE_INDEX_NAME;\n  }\n\n  setupHooks() {\n    // Filter query params.\n    this.addFilter('filterParams', params => {\n      const newParams = { ...params };\n      newParams.type = 'hls_faculty';\n      return newParams;\n    });\n\n    this.controls.addFilter('optionFacetText', (facetValue, facetName) => {\n      if (facetName !== 'instructor_reverse') {\n        return facetValue;\n      }\n      return facetValue;\n    });\n\n    // Custom sort incoming facet values.\n    this.controls.addFilter('facetValues', (facetValues, facetName) => {\n      const newValues = [...facetValues];\n\n      if (facetName === 'faculty_type') {\n        newValues.sort((a, b) => this.getTypeOrder(a) - this.getTypeOrder(b));\n      }\n\n      return newValues;\n    });\n  }\n\n  /**\n   * Handle a click of an interest pill in a faculty tease.\n   *\n   * @param {object} event Click event.\n   *\n   * @return void\n   */\n  handleInterestFilter(event) {\n    const filter = event.target.dataset.searchFacultyInterestArea;\n\n    if (!filter) {\n      return;\n    }\n\n    const { searchable_interest_areas } = this.state.get('params');\n\n    // If clicked filter is already active, don't do anything.\n    if (searchable_interest_areas === filter) {\n      return;\n    }\n\n    this.controls.setFilterControl('searchable_interest_areas', filter);\n  }\n\n  /**\n   * Reset faculty types to unchecked.\n   *\n   * @return void\n   */\n  resetFacultyType() {\n    const elements = document.querySelectorAll('input[name=faculty_type]');\n    for (const element of elements) {\n      element.checked = false;\n    }\n    this.controls.clearFilterControlState('faculty_type');\n  }\n\n  /**\n   * Render the faculty tease.\n   *\n   * @param {array} hits Hits from Algolia.\n   *\n   * @return void\n   */\n  render(hits) {\n    const hitsMarkup = hits.map(facultyTease).join('');\n    this.resultsEl.innerHTML = `<ul class=\"courses-feed__list\">${hitsMarkup}</ul>`;\n  }\n\n  /**\n   * Attach new listeners for interest areas on the injected tease markup.\n   * Also removes any 'inert' attributes on select and checkbox facets and divs\n   * (so certain screen readers like NVDA don't prematurely announce facets).\n   *\n   * @return void\n   */\n  afterQueryComplete() {\n    const inertSelectFields = this.controls.controlsEl.querySelectorAll('select[inert=\"true\"]');\n    if (inertSelectFields) {\n      inertSelectFields.forEach(field => {\n        field.removeAttribute('inert');\n      });\n    }\n    const inertCheckboxFields = this.controls.controlsEl.querySelectorAll('input[type=\"checkbox\"]');\n    if (inertCheckboxFields) {\n      inertCheckboxFields.forEach(field => {\n        field.removeAttribute('inert');\n      });\n    }\n\n    if (this.facultyListeners) {\n      this.facultyListeners.forEach(listener =>\n        typeof listener.off === 'function' ? listener.off : null,\n      );\n    }\n    this.facultyListeners = [];\n\n    // Custom listeners.\n    this.facultyListeners = [\n      on(\n        Array.from(this.el.querySelectorAll('[data-search-faculty-interest-area]')),\n        'click',\n        this.handleInterestFilter,\n      ),\n      on(Array.from(this.el.querySelectorAll('button.form__faculty-reset')), 'click', () => {\n        this.resetFacultyType();\n      }),\n    ];\n  }\n}\n\nexport default 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