Module: Isomorfeus::Puppetmaster::Driver::PuppeteerNode

Included in:
Puppeteer
Defined in:
lib/isomorfeus/puppetmaster/driver/puppeteer_node.rb

Instance Method Summary collapse

Instance Method Details

#node_all_text(node) ⇒ Object 



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# File 'lib/isomorfeus/puppetmaster/driver/puppeteer_node.rb', line 5

def node_all_text(node)
  await <<~JAVASCRIPT
    LastResult = await AllElementHandles[#{node.handle}].executionContext().evaluate(function(node){
      return node.textContent;
    }, AllElementHandles[#{node.handle}]);
  JAVASCRIPT
end

#node_click(node, x: nil, y: nil, modifiers: nil) ⇒ Object 



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# File 'lib/isomorfeus/puppetmaster/driver/puppeteer_node.rb', line 13

def node_click(node, x: nil, y: nil, modifiers: nil)
  # modifier_keys: :alt, :control, :meta, :shift
  # raise Isomorfeus::Pupppetmaster::InvalidActionError.new(:click) unless visible?
  modifiers = [modifiers] if modifiers.is_a?(Symbol)
  modifiers = [] unless modifiers
  modifiers = modifiers.map {|key| key.to_s.camelize(:lower) }
  await <<~JAVASCRIPT
    var response_event_occurred = false;
    var response_handler = function(event){ response_event_occurred = true; };
    var response_watcher = new Promise(function(resolve, reject){
      setTimeout(function(){
        if (!response_event_occurred) { resolve(true); } 
        else { setTimeout(function(){ resolve(true); }, #{@puppeteer_timeout}); }
        AllPageHandles[#{node.document.handle}].removeListener('response', response_handler);
      }, #{@puppeteer_reaction_timeout});
    });
    AllPageHandles[#{node.document.handle}].on('response', response_handler);
    var navigation_watcher = AllPageHandles[#{node.document.handle}].waitForNavigation();
    await AllElementHandles[#{node.handle}].executionContext().evaluate(function(node){ 
      var options = {button: 0, bubbles: true, cancelable: true};
      var x = #{x ? x : 'null'};
      var y = #{y ? y : 'null'};
      var modifiers = #{modifiers};
      if (x && y) {
        var bounding_box = node.getBoundingClientRect();
        options['clientX'] = bounding_box.x + x;
        options['clientY'] = bounding_box.y + y;
      }
      if (modifiers.includes('meta')) { options['metaKey'] = true; }
      if (modifiers.includes('control')) { options['ctrlKey'] = true; }
      if (modifiers.includes('shift')) { options['shiftKey'] = true; }
      if (modifiers.includes('alt')) { options['altKey'] = true; }
      node.dispatchEvent(new MouseEvent('mousedown', options));
      node.dispatchEvent(new MouseEvent('mouseup', options));
      node.dispatchEvent(new MouseEvent('click', options));
    }, AllElementHandles[#{node.handle}]);
    await Promise.race([response_watcher, navigation_watcher]);
  JAVASCRIPT
end

#node_disabled?(node) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/isomorfeus/puppetmaster/driver/puppeteer_node.rb', line 53

def node_disabled?(node)
  await <<~JAVASCRIPT
    LastResult = await AllElementHandles[#{node.handle}].executionContext().evaluate(node => {
      const xpath = `parent::optgroup[@disabled] | ancestor::select[@disabled] | parent::fieldset[@disabled] |
                     ancestor::*[not(self::legend) or preceding-sibling::legend][parent::fieldset[@disabled]]`;
      return node.disabled || document.evaluate(xpath, node, null, XPathResult.BOOLEAN_TYPE, null).booleanValue;
    }, AllElementHandles[#{node.handle}]);
  JAVASCRIPT
end

#node_dispatch_event(node, name, event_type = nil, **options) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/isomorfeus/puppetmaster/driver/puppeteer_node.rb', line 63

def node_dispatch_event(node, name, event_type = nil, **options)
  raise ArgumentError, 'Unknown event' unless Isomorfeus::Puppetmaster::Driver::Puppeteer::EVENTS.key?(name.to_sym) || event_type
  event_type, opts = *Isomorfeus::Puppetmaster::Driver::Puppeteer::EVENTS[name.to_sym] if event_type.nil?
  opts.merge!(options)
  final_options = options.map { |k,v| "#{k}: '#{v}'" }
  await <<~JAVASCRIPT
    await AllElementHandles[#{node.handle}].executionContext().evaluate(function(node){
      var event = new #{event_type}('#{name}', { #{final_options.join(', ')} });
      node.dispatchEvent(event);
    }, AllElementHandles[#{node.handle}]);
  JAVASCRIPT
end

#node_double_click(node, x: nil, y: nil, modifiers: nil) ⇒ Object 



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# File 'lib/isomorfeus/puppetmaster/driver/puppeteer_node.rb', line 76

def node_double_click(node, x: nil, y: nil, modifiers: nil)
  # modifier_keys: :alt, :control, :meta, :shift
  # offset: { x: int, y: int }
  modifiers = [modifiers] if modifiers.is_a?(Symbol)
  modifiers = [] unless modifiers
  modifiers = modifiers.map {|key| key.to_s.camelize(:lower) }
  await <<~JAVASCRIPT
    var response_event_occurred = false;
    var response_handler = function(event){ response_event_occurred = true; };
    var response_watcher = new Promise(function(resolve, reject){
      setTimeout(function(){
        if (!response_event_occurred) { resolve(true); } 
        else { setTimeout(function(){ resolve(true); }, #{@puppeteer_timeout}); }
        AllPageHandles[#{node.document.handle}].removeListener('response', response_handler);
      }, #{@puppeteer_reaction_timeout});
    });
    AllPageHandles[#{node.document.handle}].on('response', response_handler);
    var navigation_watcher = AllPageHandles[#{node.document.handle}].waitForNavigation();
    await AllElementHandles[#{node.handle}].executionContext().evaluate(function(node){
      var options = {button: 0, bubbles: true, cancelable: true};
      var x = #{x ? x : 'null'};
      var y = #{y ? y : 'null'};
      var modifiers = #{modifiers};
      if (x && y) {
        var bounding_box = node.getBoundingClientRect();
        options['clientX'] = bounding_box.left + x;
        options['clientY'] = bounding_box.top + y;
      }
      if (modifiers.includes('meta')) { options['metaKey'] = true; }
      if (modifiers.includes('control')) { options['ctrlKey'] = true; }
      if (modifiers.includes('shift')) { options['shiftKey'] = true; }
      if (modifiers.includes('alt')) { options['altKey'] = true; }
      node.dispatchEvent(new MouseEvent('mousedown', options));
      node.dispatchEvent(new MouseEvent('mouseup', options));
      node.dispatchEvent(new MouseEvent('dblclick', options));
      return options;
    }, AllElementHandles[#{node.handle}]);
    await Promise.race([response_watcher, navigation_watcher]);
  JAVASCRIPT
end

#node_drag_to(node, other_node) ⇒ Object 



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# File 'lib/isomorfeus/puppetmaster/driver/puppeteer_node.rb', line 117

def node_drag_to(node, other_node)
  if node[:draggable]
    await <<~JAVASCRIPT
      await AllElementHandles[#{node.handle}].executionContext().evaluateHandle(function(node) {
        document.addEventListener('mousedown', event => {
          window.puppeteer_mousedown_prevented = event.defaultPrevented;
        }, { once: true, passive: true });
      }, AllElementHandles[#{node.handle}]);
    JAVASCRIPT
    # TODO use scrollIntoView once chromium bug is fixed
    # https://bugs.chromium.org/p/chromium/issues/detail?id=939740&can=2&start=0&num=100&q=mousemove%20scrollintoview&colspec=ID%20Type%20Status%20Priority%20Milestone%20Owner%20Summary&groupby=&sort=
    await <<~JAVASCRIPT
      var node_handle = #{node.handle};
      await AllElementHandles[node_handle].executionContext().evaluateHandle(function(node, other_node) {
        var n = node;
        var top = n.offsetTop, left = n.offsetLeft, width = n.offsetWidth, height = n.offsetHeight;          
        while(n.offsetParent) { n = n.offsetParent; top += n.offsetTop; left += n.offsetLeft; }
        var node_in_view = (top >= window.pageYOffset && left >= window.pageXOffset &&
          (top + height) <= (window.pageYOffset + window.innerHeight) && (left + width) <= (window.pageXOffset + window.innerWidth));
        if (!node_in_view) { node.scrollTo(0,0); };
        setTimeout(function(){
          var client_rect = node.getBoundingClientRect();
          var x = (client_rect.left + (client_rect.width / 2));
          var y = (client_rect.top + (client_rect.height / 2));
          node.dispatchEvent(new MouseEvent('mousemove', {clientX: x, clientY: y, bubbles: true, cancelable: true}));
          setTimeout(function(){
            node.dispatchEvent(new MouseEvent('mousedown', {clientX: x, clientY: y, bubbles: true, cancelable: true}));
            if (window.puppeteer_mousedown_prevented) {
              n = other_node;
              top = n.offsetTop; left = n.offsetLeft; width = n.offsetWidth; height = n.offsetHeight;          
              while(n.offsetParent) { n = n.offsetParent; top += n.offsetTop; left += n.offsetLeft; }
              var node_in_view = (top >= window.pageYOffset && left >= window.pageXOffset &&
              (top + height) <= (window.pageYOffset + window.innerHeight) && (left + width) <= (window.pageXOffset + window.innerWidth));
              if (!node_in_view) { other_node.scrollTo(0,0) };
              setTimeout(function(){
                client_rect = other_node.getBoundingClientRect();
                x = (client_rect.left + (client_rect.width / 2));
                y = (client_rect.top + (client_rect.height / 2));
                node.dispatchEvent(new MouseEvent('mousemove', {clientX: x, clientY: y, bubbles: true, cancelable: true}));
                setTimeout(function(){
                  node.dispatchEvent(new MouseEvent('mouseup', {clientX: x, clientY: y, bubbles: true, cancelable: true}));
                }, #{@puppeteer_reaction_timeout/2});
              }, #{@puppeteer_reaction_timeout});
            } else {
              var dt = new DataTransfer();
              if (node.tagName == 'A'){ dt.setData('text/uri-list', node.href); dt.setData('text', node.href); }
              if (node.tagName == 'IMG'){ dt.setData('text/uri-list', node.src); dt.setData('text', node.src); }
              var opts = { cancelable: true, bubbles: true, dataTransfer: dt };
              var dragEvent = new DragEvent('dragstart', opts);
              node.dispatchEvent(dragEvent);
              n = other_node;
              top = n.offsetTop; left = n.offsetLeft; width = n.offsetWidth; height = n.offsetHeight;          
              while(n.offsetParent) { n = n.offsetParent; top += n.offsetTop; left += n.offsetLeft; }
              var node_in_view = (top >= window.pageYOffset && left >= window.pageXOffset &&
              (top + height) <= (window.pageYOffset + window.innerHeight) && (left + width) <= (window.pageXOffset + window.innerWidth));
              if (!node_in_view) { other_node.scrollTo(0,0); };
              setTimeout(function(){
                var rect = node.getBoundingClientRect()
                var node_center = new DOMPoint((rect.left + rect.right)/2, (rect.top + rect.bottom)/2);
                var other_rect = other_node.getBoundingClientRect();
                var other_point = new DOMPoint((other_rect.left + other_rect.right)/2, (other_rect.top + other_rect.bottom)/2);
                var entry_point = null;
                var slope = (other_point.y - other_point.y) / (other_point.x - node_center.x);
                if (other_point.x <= other_point.x) { // left side
                  var minXy = slope * (other_rect.left - node_center.x) + node_center.y;
                  if (other_rect.top <= minXy && minXy <= other_rect.bottom) { entry_point = new DOMPoint(other_rect.left, minXy); }
                }
                if (node_center.x >= other_point.x) { // right side
                  var maxXy = slope * (other_rect.right - node_center.x) + node_center.y;
                  if (other_rect.top <= maxXy && maxXy <= other_rect.bottom) { entry_point = new DOMPoint(other_rect.right, maxXy); }
                }
                if (node_center.y <= other_point.y) { // top side
                  var minYx = (other_point.top - node_center.y) / slope + node_center.x;
                  if (other_rect.left <= minYx && minYx <= other_rect.right) { entry_point = new DOMPoint(minYx, other_rect.top); }
                }
                if (node_center.y >= other_point.y) { // bottom side
                  var maxYx = (other_rect.bottom - node_center.y) / slope + node_center.x;
                  if (other_rect.left <= maxYx && maxYx <= other_rect.right) { entry_point = new DOMPoint(maxYx, other_rect.bottom); }
                }
                if (!entry_point) {
                  entry_point = new DOMPoint(node_center.x, node_center.y);
                }
                var drag_over_event = new DragEvent('dragover', {clientX: entry_point.x, clientY: entry_point.y, bubbles: true, cancelable: true});
                other_node.dispatchEvent(drag_over_event);
                var other_center = new DOMPoint((other_rect.left + other_rect.right)/2, (other_rect.top + other_rect.bottom)/2);
                drag_over_event = new DragEvent('dragover', {clientX: targetCenter.x, clientY: targetCenter.y, bubbles: true, cancelable: true});
                other_node.dispatchEvent(drag_over_event);
                other_node.dispatchEvent(new DragEvent('dragleave', {bubbles: true, cancelable: true}));
                if (drag_over_event.defaultPrevented) {
                  other_node.dispatchEvent(new DragEvent('drop', {bubbles: true, cancelable: true}));
                }
                node.dispatchEvent(new DragEvent('dragend', {bubbles: true, cancelable: true}));
                client_rect = other_node.getBoundingClientRect();
                x = (client_rect.left + (client_rect.width / 2));
                y = (client_rect.top + (client_rect.height / 2));
                node.dispatchEvent(new MouseEvent('mouseup', {clientX: x, clientY: y, bubbles: true, cancelable: true}));
              }, #{@puppeteer_reaction_timeout});
            }
          }, #{@puppeteer_reaction_timeout/2});
        }, #{@puppeteer_reaction_timeout});
      }, AllElementHandles[node_handle], AllElementHandles[#{other_node.handle}]);
    JAVASCRIPT
    sleep (@reaction_timeout * 3) + 0.2
  else
    await <<~JAVASCRIPT
      var node_handle = #{node.handle};
      await AllElementHandles[node_handle].executionContext().evaluateHandle(function(node, other_node) {
        var n = node;
        var top = n.offsetTop, left = n.offsetLeft, width = n.offsetWidth, height = n.offsetHeight;          
        while(n.offsetParent) { n = n.offsetParent; top += n.offsetTop; left += n.offsetLeft; }
        var node_in_view = (top >= window.pageYOffset && left >= window.pageXOffset &&
          (top + height) <= (window.pageYOffset + window.innerHeight) && (left + width) <= (window.pageXOffset + window.innerWidth));
        if (!node_in_view) { res = (n === node); node.scrollTo(0,0); };
        setTimeout(function() {
          var client_rect = node.getBoundingClientRect();
          var x = (client_rect.left + (client_rect.width / 2));
          var y = (client_rect.top + (client_rect.height / 2));
          node.dispatchEvent(new MouseEvent('mousemove', {clientX: x, clientY: y, bubbles: true, cancelable: true}));
          setTimeout(function() {
            node.dispatchEvent(new MouseEvent('mousedown', {button: 0, buttons: 1, clientX: x, clientY: y, bubbles: true, cancelable: true}));
            var n = other_node;
            var top = n.offsetTop, left = n.offsetLeft, width = n.offsetWidth, height = n.offsetHeight;          
            while(n.offsetParent) { n = n.offsetParent; top += n.offsetTop; left += n.offsetLeft; }
            var other_node_in_view = (top >= window.pageYOffset && left >= window.pageXOffset &&
              (top + height) <= (window.pageYOffset + window.innerHeight) && (left + width) <= (window.pageXOffset + window.innerWidth));
            if (!other_node_in_view) { other_node.scrollTo(0,0); };
            setTimeout(function() {
              var other_client_rect = other_node.getBoundingClientRect();
              var x = (other_client_rect.left + (other_client_rect.width / 2));
              var y = (other_client_rect.top + (other_client_rect.height / 2));
              node.dispatchEvent(new MouseEvent('mousemove', {button: 0, buttons: 1, clientX: x, clientY: y, bubbles: true, cancelable: true}));
              setTimeout(function() {
                node.dispatchEvent(new MouseEvent('mouseup', {button: 0, buttons: 1, clientX: x, clientY: y, bubbles: true, cancelable: true}));
              }, #{@puppeteer_reaction_timeout/2});
            }, #{@puppeteer_reaction_timeout});
          }, #{@puppeteer_reaction_timeout/2});
        }, #{@puppeteer_reaction_timeout});
      }, AllElementHandles[node_handle], AllElementHandles[#{other_node.handle}]);
    JAVASCRIPT
    sleep (@reaction_timeout * 3) + 0.2
  end
end

#node_equal(node, other_node) ⇒ Object 



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# File 'lib/isomorfeus/puppetmaster/driver/puppeteer_node.rb', line 260

def node_equal(node, other_node)
  await <<~JAVASCRIPT
  var node_handle = #{node.handle};
  var other_handle = #{other_node.handle}; 
  if (AllElementHandles[node_handle] && AllElementHandles[other_handle]) {
    try {
      var handle = await AllElementHandles[node_handle].executionContext().evaluateHandle(function(node, other_node){
        return (node === other_node); 
      }, AllElementHandles[node_handle],AllElementHandles[other_handle]);
      LastResult = await handle.jsonValue();
    } catch (err) {
      LastResult = false;
    }
  }
  JAVASCRIPT
end

#node_evaluate_script(node, script, *args) ⇒ Object 



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# File 'lib/isomorfeus/puppetmaster/driver/puppeteer_node.rb', line 287

def node_evaluate_script(node, script, *args)
  await <<~JAVASCRIPT
    var node_handle = #{node.handle};
    handle = await AllElementHandles[node_handle].executionContext().evaluateHandle((node, arguments) => {
      arguments.unshift(node);
      return #{script};
    }, AllElementHandles[node_handle], #{args[1..-1]});
    LastResult = await handle.jsonValue();
  JAVASCRIPT
end

#node_execute_script(node, script, *args) ⇒ Object 



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# File 'lib/isomorfeus/puppetmaster/driver/puppeteer_node.rb', line 277

def node_execute_script(node, script, *args)
  await <<~JAVASCRIPT
    var node_handle = #{node.handle};
    await AllElementHandles[node_handle].executionContext().evaluateHandle((node, arguments) => {
      arguments.unshift(node);
      #{script}
    }, AllElementHandles[node_handle], #{args[1..-1]});
  JAVASCRIPT
end

#node_find(node, selector) ⇒ Object 



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# File 'lib/isomorfeus/puppetmaster/driver/puppeteer_node.rb', line 298

def node_find(node, selector)
  js_escaped_selector = selector.gsub('\\', '\\\\\\').gsub('"', '\"')
  node_data = await <<~JAVASCRIPT
    var element_handle = await AllElementHandles[#{node.handle}].$("#{js_escaped_selector}");
      if (element_handle) {
      var node_handle = RegisterElementHandle(element_handle);
      var tt = await AllElementHandles[node_handle].executionContext().evaluate((node) => {
        var name = node.nodeName;
        var tag = node.tagName.toLowerCase();
        var type = null;
        if (tag === 'input') { type = node.getAttribute('type'); }
        return [name, tag, type, node.isContentEditable];
      }, AllElementHandles[node_handle]);
      LastResult = {handle: node_handle, name: tt[0], tag: tt[1], type: tt[2], content_editable: tt[3]};
    }
  JAVASCRIPT
  if node_data
    node_data[:css_selector] = selector
    Isomorfeus::Puppetmaster::Node.new_by_tag(self, node.document, node_data)
  else
    raise Isomorfeus::Puppetmaster::ElementNotFound.new(selector)
  end
end

#node_find_all(node, selector) ⇒ Object 



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# File 'lib/isomorfeus/puppetmaster/driver/puppeteer_node.rb', line 322

def node_find_all(node, selector)
  js_escaped_selector = selector.gsub('\\', '\\\\\\').gsub('"', '\"')
  node_data_array = await <<~JAVASCRIPT
    var node_data_array = [];
    var element_handle_array = await AllElementHandles[#{node.handle}].$("#{js_escaped_selector}");
    if (element_handle_array) {
      
      for (var i=0; i<element_handle_array.length; i++) {
        var node_handle = RegisterElementHandle(element_handle_array[i]);
        var tt = await AllElementHandles[node_handle].executionContext().evaluate((node) => {
          var name = node.nodeName;
          var tag = node.tagName.toLowerCase();
          var type = null;
          if (tag === 'input') { type = node.getAttribute('type'); }
          return [name, tag, type, node.isContentEditable];
        }, AllElementHandles[node_handle]);
        node_data_array.push({handle: node_handle, name: tt[0], tag: tt[1], type: tt[2], content_editable: tt[3]});
      }
    }
    LastResult = node_data_array;
  JAVASCRIPT
  node_data_array.map do |node_data|
    node_data[:css_selector] = selector
    Isomorfeus::Puppetmaster::Node.new_by_tag(self, node.document, node_data)
  end
end

#node_find_all_xpath(node, query) ⇒ Object 



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# File 'lib/isomorfeus/puppetmaster/driver/puppeteer_node.rb', line 349

def node_find_all_xpath(node, query)
  js_escaped_query = query.gsub('\\', '\\\\\\').gsub('"', '\"')
  node_data_array = await <<~JAVASCRIPT
    var node_data_array = [];
    var element_handle_array = await AllElementHandles[#{node.handle}].$x("#{js_escaped_query}");
    if (element_handle_array) {  
      for (var i=0; i<element_handle_array.length; i++) {
        var node_handle = RegisterElementHandle(element_handle_array[i]);
        var tt = await AllElementHandles[node_handle].executionContext().evaluate((node) => {
          var name = node.nodeName;
          var tag = node.tagName.toLowerCase();
          var type = null;
          if (tag === 'input') { type = node.getAttribute('type'); }
          return [name, tag, type, node.isContentEditable];
        }, AllElementHandles[node_handle]);
        node_data_array.push({handle: node_handle, name: tt[0], tag: tt[1], type: tt[2], content_editable: tt[3]});
      }  
    }
    LastResult = node_data_array;
  JAVASCRIPT
  node_data_array.map do |node_data|
    node_data[:xpath_query] = query
    Isomorfeus::Puppetmaster::Node.new_by_tag(self, node.document, node_data)
  end
end

#node_find_xpath(node, query) ⇒ Object 



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# File 'lib/isomorfeus/puppetmaster/driver/puppeteer_node.rb', line 375

def node_find_xpath(node, query)
  js_escaped_query = query.gsub('\\', '\\\\\\').gsub('"', '\"')
  node_data = await <<~JAVASCRIPT
    var element_handle_array = await AllElementHandles[#{node.handle}].$x("#{js_escaped_query}");
    var element_handle = (element_handle_array) ? element_handle_array[0] : null;
    if (element_handle) {
      var node_handle = RegisterElementHandle(element_handle);
      var tt = await AllElementHandles[node_handle].executionContext().evaluate((node) => {
        var name = node.nodeName;
        var tag = node.tagName.toLowerCase();
        var type = null;
        if (tag === 'input') { type = node.getAttribute('type'); }
        return [name, tag, type, node.isContentEditable];
      }, AllElementHandles[node_handle]);
      LastResult = {handle: node_handle, name: tt[0], tag: tt[1], type: tt[2], content_editable: tt[3]};
    }
  JAVASCRIPT
  if node_data
    node_data[:xpath_query] = query
    Isomorfeus::Puppetmaster::Node.new_by_tag(self, node.document, node_data)
  else
    raise Isomorfeus::Puppetmaster::ElementNotFound.new(query)
  end
end

#node_focus(node) ⇒ Object 



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# File 'lib/isomorfeus/puppetmaster/driver/puppeteer_node.rb', line 400

def node_focus(node)
  await "await AllElementHandles[#{node.handle}].focus();"
end

#node_get_attribute(node, attribute) ⇒ Object 



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# File 'lib/isomorfeus/puppetmaster/driver/puppeteer_node.rb', line 404

def node_get_attribute(node, attribute)
  await <<~JAVASCRIPT
    LastResult = await AllElementHandles[#{node.handle}].executionContext().evaluate(function(node, attribute){
      return node.getAttribute(attribute);
    }, AllElementHandles[#{node.handle}], '#{attribute}');
  JAVASCRIPT
end

#node_get_property(node, property) ⇒ Object 



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# File 'lib/isomorfeus/puppetmaster/driver/puppeteer_node.rb', line 412

def node_get_property(node, property)
  await <<~JAVASCRIPT
    LastResult = await AllElementHandles[#{node.handle}].executionContext().evaluate(function(node, property){
      return node[property];
    }, AllElementHandles[#{node.handle}], '#{property}');
  JAVASCRIPT
end

#node_hover(node) ⇒ Object 



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# File 'lib/isomorfeus/puppetmaster/driver/puppeteer_node.rb', line 420

def node_hover(node)
  await "await AllElementHandles[#{node.handle}].hover(); }"
end

#node_in_viewport?(node) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/isomorfeus/puppetmaster/driver/puppeteer_node.rb', line 424

def node_in_viewport?(node)
  await <<~JAVASCRIPT
    var node_handle = #{node.handle};
    var handle = await AllElementHandles[node_handle].executionContext().evaluateHandle(function(node) {
      var top = node.offsetTop, left = node.offsetLeft, width = node.offsetWidth, height = node.offsetHeight;
      while(node.offsetParent) { node = node.offsetParent; top += node.offsetTop; left += node.offsetLeft; }
      return (top >= window.pageYOffset && left >= window.pageXOffset &&
        (top + height) <= (window.pageYOffset + window.innerHeight) && (left + width) <= (window.pageXOffset + window.innerWidth));
    }, AllElementHandles[node_handle]);
    LastResult = await handle.jsonValue();
  JAVASCRIPT
end

#node_render_base64(node, **options) ⇒ Object 



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# File 'lib/isomorfeus/puppetmaster/driver/puppeteer_node.rb', line 437

def node_render_base64(node, **options)
  # https://pptr.dev/#?product=Puppeteer&version=v1.12.2&show=api-pagescreenshotoptions
  final_options = ["encoding: 'base64'"]
  if options.key?(:format)
    options[:format] = 'jpeg' if options[:format].to_s.downcase == 'jpg'
    final_options << "type: '#{options.delete(:format).to_s.downcase}'"
  end
  final_options << "quality: #{options.delete(:quality)}" if options.key?(:quality)
  box = await "LastResult = await AllElementHandles[#{node.handle}].boundingBox();"
  final_options << "clip: {x: #{box['x']}, y: #{box['y']}, width: #{box['width']}, height: #{box['height']}}"
  options.each { |k,v| final_options << "#{k.to_s.camelize(:lower)}: #{v}" }
  await "LastResult = await AllPageHandles[#{node.document.handle}].screenshot({#{final_options.join(', ')}});"
end

#node_right_click(node, x: nil, y: nil, modifiers: nil) ⇒ Object 



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# File 'lib/isomorfeus/puppetmaster/driver/puppeteer_node.rb', line 451

def node_right_click(node, x: nil, y: nil, modifiers: nil)
  # modifier_keys: :alt, :control, :meta, :shift
  # offset: { x: int, y: int }
  modifiers = [modifiers] if modifiers.is_a?(Symbol)
  modifiers = [] unless modifiers
  modifiers = modifiers.map {|key| key.to_s.camelize(:lower) }
  await <<~JAVASCRIPT
    var response_event_occurred = false;
    var response_handler = function(event){ response_event_occurred = true; };
    var response_watcher = new Promise(function(resolve, reject){
      setTimeout(function(){
        if (!response_event_occurred) { resolve(true); } 
        else { setTimeout(function(){ resolve(true); }, #{@puppeteer_timeout}); }
        AllPageHandles[#{node.document.handle}].removeListener('response', response_handler);
      }, #{@puppeteer_reaction_timeout});
    });
    AllPageHandles[#{node.document.handle}].on('response', response_handler);
    var navigation_watcher = AllPageHandles[#{node.document.handle}].waitForNavigation();
    await AllElementHandles[#{node.handle}].executionContext().evaluate(function(node){
      var options = {button: 2, bubbles: true, cancelable: true};
      var x = #{x ? x : 'null'};
      var y = #{y ? y : 'null'};
      var modifiers = #{modifiers};
      if (x && y) {
        var bounding_box = node.getBoundingClientRect();
        options['clientX'] = bounding_box.left + x;
        options['clientY'] = bounding_box.top + y;
      }
      if (modifiers.includes('meta')) { options['metaKey'] = true; }
      if (modifiers.includes('control')) { options['ctrlKey'] = true; }
      if (modifiers.includes('shift')) { options['shiftKey'] = true; }
      if (modifiers.includes('alt')) { options['altKey'] = true; }
      node.dispatchEvent(new MouseEvent('mousedown', options));
      node.dispatchEvent(new MouseEvent('mouseup', options));
      node.dispatchEvent(new MouseEvent('contextmenu', options));
      return options;
    }, AllElementHandles[#{node.handle}]);
    await Promise.race([response_watcher, navigation_watcher]);
  JAVASCRIPT
end

#node_save_screenshot(node, path, **options) ⇒ Object 



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# File 'lib/isomorfeus/puppetmaster/driver/puppeteer_node.rb', line 492

def node_save_screenshot(node, path, **options)
  # https://pptr.dev/#?product=Puppeteer&version=v1.12.2&show=api-pagescreenshotoptions
  absolute_path = File.absolute_path(path)
  final_options = ["path: '#{absolute_path}'"]
  if options.key?(:format)
    options[:format] = 'jpeg' if options[:format].to_s.downcase == 'jpg'
    final_options << "type: '#{options.delete(:format).to_s.downcase}'"
  end
  final_options << "quality: #{options.delete(:quality)}" if options.key?(:quality)
  box = await "LastResult = await AllElementHandles[#{node.handle}].boundingBox();"
  final_options << "clip: {x: #{box['x']}, y: #{box['y']}, width: #{box['width']}, height: #{box['height']}}"
  options.each { |k,v| final_options << "#{k.to_s.camelize(:lower)}: #{v}" }
  await "await AllPageHandles[#{node.document.handle}].screenshot({#{final_options.join(', ')}});"
end

#node_scroll_by(node, x, y) ⇒ Object 



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# File 'lib/isomorfeus/puppetmaster/driver/puppeteer_node.rb', line 507

def node_scroll_by(node, x, y)
  await <<~JAVASCRIPT
    await AllElementHandles[#{node.handle}].executionContext().evaluateHandle(function(node) {
      node.scrollBy(#{x}, #{y});
    }, AllElementHandles[#{node.handle}]);
  JAVASCRIPT
end

#node_scroll_into_view(node) ⇒ Object 



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# File 'lib/isomorfeus/puppetmaster/driver/puppeteer_node.rb', line 515

def node_scroll_into_view(node)
  await <<~JAVASCRIPT
    await AllElementHandles[#{node.handle}].executionContext().evaluateHandle(function(node) {
      node.scrollIntoView();
    }, AllElementHandles[#{node.handle}]);
  JAVASCRIPT
end

#node_scroll_to(node, x, y) ⇒ Object 



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# File 'lib/isomorfeus/puppetmaster/driver/puppeteer_node.rb', line 523

def node_scroll_to(node, x, y)
  await <<~JAVASCRIPT
    await AllElementHandles[#{node.handle}].executionContext().evaluateHandle(function(node) {
      node.scrollTo(#{x}, #{y});
    }, AllElementHandles[#{node.handle}]);
  JAVASCRIPT
end

#node_select(node) ⇒ Object 



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# File 'lib/isomorfeus/puppetmaster/driver/puppeteer_node.rb', line 531

def node_select(node)
  # In the case of an OPTION tag, the change event should come
  # from the parent SELECT
  await <<~JAVASCRIPT
    await AllElementHandles[#{node.handle}].executionContext().evaluateHandle(function(node){
      var xpath = "parent::optgroup[@disabled] | ancestor::select[@disabled] | parent::fieldset[@disabled] | \
                   ancestor::*[not(self::legend) or preceding-sibling::legend][parent::fieldset[@disabled]]";
      if (node.disabled || document.evaluate(xpath, node, null, XPathResult.BOOLEAN_TYPE, null).booleanValue) { return false; } 
      else if (node.value == false && !node.parentNode.multiple) { return false; } 
      else {
        node.parentNode.dispatchEvent(new FocusEvent('focus',{bubbles: true, cancelable: true}));
        node.selected = true;
        var element;
        if (node.nodeName == "OPTION") {
          element = node.parentNode;
          if (element.nodeName == "OPTGROUP") { element = element.parentNode; }
        } else { element = node; }
        element.dispatchEvent(new Event('change',{bubbles: true, cancelable: false}));
        node.parentNode.dispatchEvent(new FocusEvent('blur',{bubbles: true, cancelable: true}));
        return true;
      }
    }, AllElementHandles[#{node.handle}]);
  JAVASCRIPT
end

#node_style(node, *styles) ⇒ Object 



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# File 'lib/isomorfeus/puppetmaster/driver/puppeteer_node.rb', line 556

def node_style(node, *styles)
  await <<~JAVASCRIPT
    var handle = await AllElementHandles[#{node.handle}].executionContext().evaluateHandle(function(node, styles){
      return = window.getComputedStyle(node);
    }, AllElementHandles[#{node.handle}], #{styles});
    LastResult = await handle.jsonValue();
  JAVASCRIPT
end

#node_type_keys(node, *keys) ⇒ Object 



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# File 'lib/isomorfeus/puppetmaster/driver/puppeteer_node.rb', line 565

def node_type_keys(node, *keys)
  cjs = "await AllElementHandles[#{node.handle}].focus();\n"
  top_modifiers = []
  keys.each do |key|
    if key.is_a?(String)
      key.each_char do |c|
        need_shift = /[[:upper:]]/.match(c)
        cjs << "await AllPageHandles[#{node.document.handle}].keyboard.down('Shift');\n" if need_shift
        c = "Key#{c.upcase}" if /[[:alpha:]]/.match(c)
        cjs << "await AllPageHandles[#{node.document.handle}].keyboard.press('#{c}');\n"
        cjs << "await AllPageHandles[#{node.document.handle}].keyboard.up('Shift');\n" if need_shift
      end
    elsif key.is_a?(Symbol)
      if %i[ctrl Ctrl].include?(key)
        key = :control
      elsif  %i[command Command Meta].include?(key)
        key = :meta
      elsif  %i[divide Divide].include?(key)
        key = :numpad_divide
      elsif  %i[decimal Decimal].include?(key)
        key = :numpad_decimal
      elsif %i[left right up down].include?(key)
        key = "arrow_#{key}".to_sym
      end
      if %i[alt alt_left alt_right control control_left control_rigth meta meta_left meta_right shift shift_left shift_right].include?(key)
        top_modifiers << key
        cjs << "await AllPageHandles[#{node.document.handle}].keyboard.down('#{key.to_s.camelize}');\n"
      else
        cjs << "await AllElementHandles[#{node.handle}].press('#{key.to_s.camelize}');\n"
      end
    elsif key.is_a?(Array)
      modifiers = []
      key.each do |k|
        if k.is_a?(Symbol)
          if %i[ctrl Ctrl].include?(k)
            k = :control
          elsif  %i[command Command Meta].include?(k)
            k = :meta
          elsif  %i[divide Divide].include?(k)
            k = :numpad_divide
          elsif  %i[decimal Decimal].include?(k)
            k = :numpad_decimal
          elsif %i[left right up down].include?(key)
            k = "arrow_#{key}".to_sym
          end
          if %i[alt alt_left alt_right control control_left control_rigth meta meta_left meta_right shift shift_left shift_right].include?(k)
            modifiers << k
            cjs << "await AllPageHandles[#{node.document.handle}].keyboard.down('#{k.to_s.camelize}');\n"
          else
            cjs << "await AllElementHandles[#{node.handle}].press('#{k.to_s.camelize}');\n"
          end
        elsif k.is_a?(String)
          k.each_char do |c|
            need_shift = /[[:upper:]]/.match(c)
            cjs << "await AllPageHandles[#{node.document.handle}].keyboard.down('Shift');\n" if need_shift
            c = "Key#{c.upcase}" if /[[:alpha:]]/.match(c)
            cjs << "await AllPageHandles[#{node.document.handle}].keyboard.press('#{c}');\n"
            cjs << "await AllPageHandles[#{node.document.handle}].keyboard.up('Shift');\n" if need_shift
          end
        end
      end
      modifiers.reverse.each do |k|
        cjs << "await AllPageHandles[#{node.document.handle}].keyboard.up('#{k.to_s.camelize}');\n"
      end
    end
  end
  top_modifiers.reverse.each do |key|
    cjs << "await AllPageHandles[#{node.document.handle}].keyboard.up('#{key.to_s.camelize}');\n"
  end
  await(cjs)
end

#node_unselect(node) ⇒ Object 



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# File 'lib/isomorfeus/puppetmaster/driver/puppeteer_node.rb', line 637

def node_unselect(node)
  # In the case of an OPTION tag, the change event should come
  # from the parent SELECT
  await <<~JAVASCRIPT
    await AllElementHandles[#{node.handle}].executionContext().evaluateHandle(function(node){
      var xpath = "parent::optgroup[@disabled] | ancestor::select[@disabled] | parent::fieldset[@disabled] | \
                   ancestor::*[not(self::legend) or preceding-sibling::legend][parent::fieldset[@disabled]]";
      if (node.disabled || document.evaluate(xpath, node, null, XPathResult.BOOLEAN_TYPE, null).booleanValue) { return false; }
      else if (node.value == false && !node.parentNode.multiple) { return false; }
      else {
        node.parentNode.dispatchEvent(new FocusEvent('focus',{bubbles: true, cancelable: true}));
        node.selected = false;
        var element;
        if (node.nodeName == "OPTION") {
          element = node.parentNode;
          if (element.nodeName == "OPTGROUP") { element = element.parentNode; }
        } else { element = node; }
        element.dispatchEvent(new Event('change',{bubbles: true, cancelable: false}));
        node.parentNode.dispatchEvent(new FocusEvent('blur',{bubbles: true, cancelable: true}));
        return true;
      }
    }, AllElementHandles[#{node.handle}]);
  JAVASCRIPT
end

#node_value(node) ⇒ Object 



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# File 'lib/isomorfeus/puppetmaster/driver/puppeteer_node.rb', line 662

def node_value(node)
  await <<~JAVASCRIPT
    LastResult = await AllElementHandles[#{node.handle}].executionContext().evaluate(function(node){
      if (node.tagName == "SELECT" && node.multiple) {
        var result = []
        for (let i = 0, len = node.children.length; i < len; i++) {
          var option = node.children[i];
          if (option.selected) { result.push(option.value); }
        }
        return result;
      } else if (node.isContentEditable) { return node.textContent; }
      else { return node.value; }
    }, AllElementHandles[#{node.handle}]);
  JAVASCRIPT
end

#node_value=(node, value) ⇒ Object

Raises:

  • (Isomorfeus::Puppetmaster::ReadOnlyElementError) 


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# File 'lib/isomorfeus/puppetmaster/driver/puppeteer_node.rb', line 678

def node_value=(node, value)
  raise Isomorfeus::Puppetmaster::ReadOnlyElementError if node.readonly?
  real_value = "`#{value}`"
  if %w[input textarea].include?(node.tag)
    await <<~JAVASCRIPT
      await AllElementHandles[#{node.handle}].executionContext().evaluate(function(node, value){
        if (node.maxLength >= 0) { value = value.substr(0, node.maxLength); }
        node.dispatchEvent(new FocusEvent("focus",{bubbles: true, cancelable: true}));
        var tag_name = node.tagName.toLowerCase();
        if (tag_name === 'input') {
          node.value = '';
          if (node.type === "number" || node.type === "date") { 
            for (var i = 0; i < value.length; i++) {
              node.dispatchEvent(new KeyboardEvent("keydown", {key: value[i], code: value.charCodeAt(0), bubbles: true, cancelable: true}));
              node.dispatchEvent(new KeyboardEvent("keyup", {key: value[i], code: value.charCodeAt(0), bubbles: true, cancelable: true}));
              node.dispatchEvent(new KeyboardEvent("keypress", {key: value[i], code: value.charCodeAt(0), bubbles: true, cancelable: true}));
            }
            node.value = value;
          }
          else if (node.type == "time") { node.value = new Date(value).toTimeString().split(" ")[0]; }
          else if (node.type == "datetime-local") {
            value = new Date(value);
            var year = value.getFullYear();
            var month = ("0" + (value.getMonth() + 1)).slice(-2);
            var date = ("0" + value.getDate()).slice(-2);
            var hour = ("0" + value.getHours()).slice(-2);
            var min = ("0" + value.getMinutes()).slice(-2);
            var sec = ("0" + value.getSeconds()).slice(-2);
            value = `${year}-${month}-${date}T${hour}:${min}:${sec}`;
            for (var i = 0; i < value.length; i++) {
              node.dispatchEvent(new KeyboardEvent("keydown", {key: value[i], code: value.charCodeAt(0), bubbles: true, cancelable: true}));
              node.value = node.value + value[i];
              node.dispatchEvent(new KeyboardEvent("keyup", {key: value[i], code: value.charCodeAt(0), bubbles: true, cancelable: true}));
              node.dispatchEvent(new KeyboardEvent("keypress", {key: value[i], code: value.charCodeAt(0), bubbles: true, cancelable: true}));
            }
          } else if (node.type === 'checkbox' || node.type === 'radio') { node.checked = value; }
          else {
            for (var i = 0; i < value.length; i++) {
              node.dispatchEvent(new KeyboardEvent("keydown", {key: value[i], code: value.charCodeAt(0), bubbles: true, cancelable: true}));
              node.value = node.value + value[i];
              node.dispatchEvent(new KeyboardEvent("keyup", {key: value[i], code: value.charCodeAt(0), bubbles: true, cancelable: true}));
              node.dispatchEvent(new KeyboardEvent("keypress", {key: value[i], code: value.charCodeAt(0), bubbles: true, cancelable: true}));
            }
          }
        } else if (tag_name === 'textarea') {
          for (var i = 0; i < value.length; i++) {
            node.dispatchEvent(new KeyboardEvent("keydown", {key: value[i], code: value.charCodeAt(0), bubbles: true, cancelable: true}));
            node.value = node.value + value[i];
            node.dispatchEvent(new KeyboardEvent("keyup", {key: value[i], code: value.charCodeAt(0), bubbles: true, cancelable: true}));
            node.dispatchEvent(new KeyboardEvent("keypress", {key: value[i], code: value.charCodeAt(0), bubbles: true, cancelable: true}));
          }
        }
      }, AllElementHandles[#{node.handle}], #{real_value});
    JAVASCRIPT
  else
    await <<~JAVASCRIPT
      await AllElementHandles[#{node.handle}].executionContext().evaluate(function(node, value){
        if (node.isContentEditable) {
          var range = document.createRange();
          range.selectNodeContents(node);
          window.getSelection().removeAllRanges();
          window.getSelection().addRange(range);
          window.getSelection().deleteFromDocument();
          window.getSelection().removeAllRanges();
          node.dispatchEvent(new KeyboardEvent("keydown", {key: value[0], code: value.charCodeAt(0), bubbles: true, cancelable: true}));
          node.textContent = value;
          node.dispatchEvent(new KeyboardEvent("keyup", {key: value[0], code: value.charCodeAt(0), bubbles: true, cancelable: true}));
        }
      }, AllElementHandles[#{node.handle}], #{real_value});
    JAVASCRIPT
  end
  real_value
end

#node_visible?(node) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/isomorfeus/puppetmaster/driver/puppeteer_node.rb', line 777

def node_visible?(node)
  await <<~JAVASCRIPT
    var handle = await AllElementHandles[#{node.handle}].executionContext().evaluateHandle(function(node){
      if (node.tagName == 'AREA'){
        const map_name = document.evaluate('./ancestor::map/@name', node, null, XPathResult.STRING_TYPE, null).stringValue;
        node = document.querySelector(`img[usemap='#${map_name}']`);
        if (!node){ return false; }
      }
      var forced_visible = false;
      while (node) {
        const style = window.getComputedStyle(node);
        if (style.visibility == 'visible') { forced_visible = true; }
        if ((style.display == 'none') || ((style.visibility == 'hidden') && !forced_visible) || (parseFloat(style.opacity) == 0)) {
          return false;
        }
        node = node.parentElement;
      }
      return true;
    }, AllElementHandles[#{node.handle}]);
    LastResult = await handle.jsonValue();
  JAVASCRIPT
end

#node_visible_text(node) ⇒ Object 



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# File 'lib/isomorfeus/puppetmaster/driver/puppeteer_node.rb', line 752

def node_visible_text(node)
  # if node is AREA, check visibility of relevant image
  text = await <<~JAVASCRIPT
    var handle = await AllElementHandles[#{node.handle}].executionContext().evaluateHandle(function(node){
      var temp_node = node;
      var mapName, style;
      if (node.tagName === "AREA") {
        mapName = document.evaluate("./ancestor::map/@name", node, null, XPathResult.STRING_TYPE, null).stringValue;
        temp_node = document.querySelector(`img[usemap="#${mapName}"]`);
        if (temp_node == null) { return ''; }
      }
      temp_node = node;
      while (temp_node) {
        style = window.getComputedStyle(node);
        if (style.display === "none" || style.visibility === "hidden" || parseFloat(style.opacity) === 0) { return ''; }
        temp_node = temp_node.parentElement;
      }
      if (node.nodeName == "TEXTAREA" || node instanceof SVGElement) { return node.textContent; }
      else { return node.innerText; }
    }, AllElementHandles[#{node.handle}]);
    LastResult = await handle.jsonValue();
  JAVASCRIPT
  text.gsub(/\A[[:space:]&&[^\u00a0]]+/, "").gsub(/[[:space:]&&[^\u00a0]]+\z/, "").gsub(/\n+/, "\n").tr("\u00a0", " ")
end

#node_wait_for(node, selector) ⇒ Object 



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# File 'lib/isomorfeus/puppetmaster/driver/puppeteer_node.rb', line 800

def node_wait_for(node, selector)
  # TODO setTimeout
  js_escaped_selector = selector.gsub('\\', '\\\\\\').gsub('"', '\"')
  node_data = await <<~JAVASCRIPT
    var element_handle = await AllElementHandles[#{node.handle}].$("#{js_escaped_selector}");
    if (element_handle) {
      var node_handle = RegisterElementHandle(element_handle);
      var handle = await AllElementHandles[node_handle].evaluate((node) => {
        var name = node.nodeName;
        var tag = node.tagName.toLower();
        var type = null;
        if (tag === 'input') { type = node.getAttribute('type'); }
        return [name, tag, type, node.isContentEditable];
      }, AllElementHandles[node_handle]);
      var tt = await handle.jsonValue();
      LastResult = {handle: node_handle, name: tt[0], tag: tt[1], type: tt[2], content_editable: tt[3]};
    }
  JAVASCRIPT
  if node_data
    node_data[:css_selector] = selector
    Isomorfeus::Puppetmaster::Node.new_by_tag(self, document, node_data)
  end
end

#node_wait_for_xpath(node, query) ⇒ Object 



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# File 'lib/isomorfeus/puppetmaster/driver/puppeteer_node.rb', line 824

def node_wait_for_xpath(node, query)
  # TODO setTimeout
  js_escaped_query = query.gsub('\\', '\\\\\\').gsub('"', '\"')
  node_data = await <<~JAVASCRIPT
    var element_handle_array = await AllElementHandles[#{node.handle}].$x("#{js_escaped_query}");
    var element_handle = (element_handle_array) ? element_handle_array[0] : null;
    if (element_handle) {
      var node_handle = RegisterElementHandle(element_handle);
      var handle = await AllElementHandles[node_handle].evaluate((node) => {
        var name = node.nodeName;
        var tag = node.tagName.toLower();
        var type = null;
        if (tag === 'input') { type = node.getAttribute('type'); }
        return [name, tag, type, node.isContentEditable];
      }, AllElementHandles[node_handle]);
      var tt = await handle.jsonValue();
      LastResult = {handle: node_handle, name: tt[0], tag: tt[1], type: tt[2], content_editable: tt[3]};
    }
  JAVASCRIPT
  if node_data
    node_data[:xpath_query] = query
    Isomorfeus::Puppetmaster::Node.new_by_tag(self, document, node_data)
  end
end