Module: LucidPaper::Func::NativeComponentConstructor

Defined in:
lib/isomorfeus_react_paper/lucid_paper/func/native_component_constructor.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.extended(base) ⇒ Object



4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
# File 'lib/isomorfeus_react_paper/lucid_paper/func/native_component_constructor.rb', line 4

def self.extended(base)
  component_name = "#{base.to_s}Wrapper"
  %x{
    base.store_updates = true;
    base.equality_checker = null;
    base.instance_init = function(initial) {
      let ruby_state = { instance: #{base.new(`{}`)} };
      ruby_state.instance.__ruby_instance = ruby_state.instance;
      ruby_state.instance.data_access = function() { return this.props.store; }
      ruby_state.instance.data_access.bind(ruby_state.instance);
      return ruby_state;
    }
    base.instance_reducer = function(state, action) { return state; }
    base.react_component = Opal.global.React.memo(function(props) {
      const og = Opal.global;
      const oper = Opal.React;
      oper.render_buffer.push([]);
      // console.log("function pushed", oper.render_buffer, oper.render_buffer.toString());
      // Lucid functionality
      let store;
      if (base.store_updates) { store = og.React.useContext(og.LucidApplicationContext); }
      // prepare Ruby instance
      const [__ruby_state, __ruby_dispatch] = og.React.useReducer(base.instance_reducer, null, base.instance_init);
      const __ruby_instance = __ruby_state.instance;
      __ruby_instance.props = Object.assign({}, props);
      __ruby_instance.props.store = store;
      __ruby_instance.props.theme = Opal.global.Paper.useTheme();
      oper.active_components.push(__ruby_instance);
      oper.active_redux_components.push(__ruby_instance);
      let block_result = #{`__ruby_instance`.instance_exec(&`base.render_block`)};
      if (block_result && block_result !== nil) { oper.render_block_result(block_result); }
      oper.active_redux_components.pop();
      oper.active_components.pop();
      // console.log("function popping", oper.render_buffer, oper.render_buffer.toString());
      let result = oper.render_buffer.pop();
      return (result.length === 1) ? result[0] : result;
    }, base.equality_checker);
    base.react_component.displayName = #{component_name};
  }

  base_module = base.to_s.deconstantize
  if base_module != ''
    base_module.constantize.define_singleton_method(base.to_s.demodulize) do |*args, &block|
      `Opal.React.internal_prepare_args_and_render(#{base}.react_component, args, block)`
    end
  else
    Object.define_method(base.to_s) do |*args, &block|
      `Opal.React.internal_prepare_args_and_render(#{base}.react_component, args, block)`
    end
  end

  def props_are_equal?(&block)
    %x{
        base.equality_checker = function (prev_props, next_props) {
          var prev_ruby_props = Opal.React.Component.Props.$new({props: prev_props});
          var next_ruby_props = Opal.React.Component.Props.$new({props: next_props});
          return #{block.call(`prev_ruby_props`, `next_ruby_props`)};
        }
      }
  end

  def render(&block)
    `base.render_block = #{block}`
  end
end

Instance Method Details

#props_are_equal?(&block) ⇒ Boolean

Returns:

  • (Boolean)


55
56
57
58
59
60
61
62
63
# File 'lib/isomorfeus_react_paper/lucid_paper/func/native_component_constructor.rb', line 55

def props_are_equal?(&block)
  %x{
      base.equality_checker = function (prev_props, next_props) {
        var prev_ruby_props = Opal.React.Component.Props.$new({props: prev_props});
        var next_ruby_props = Opal.React.Component.Props.$new({props: next_props});
        return #{block.call(`prev_ruby_props`, `next_ruby_props`)};
      }
    }
end

#render(&block) ⇒ Object



65
66
67
# File 'lib/isomorfeus_react_paper/lucid_paper/func/native_component_constructor.rb', line 65

def render(&block)
  `base.render_block = #{block}`
end