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require 'opal' |
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2
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require 'hyalite/logger' |
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require 'hyalite/transaction' |
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require 'hyalite/adler32' |
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5
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require 'hyalite/mount' |
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require 'hyalite/element' |
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require 'hyalite/dom_component' |
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require 'hyalite/text_component' |
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require 'hyalite/dom' |
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10
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11
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module Hyalite |
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class << self |
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RESERVED_PROPS = [:key, :ref, :children] |
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14
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15
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def create_element(type, config = nil, *children) |
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key = nil |
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ref = nil |
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props = {} |
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if config |
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key = config[:key] |
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ref = config[:ref] |
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config.each do |name, value| |
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unless RESERVED_PROPS.include?(name) |
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props[name] = config[name]; |
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end |
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end |
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end |
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32
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props[:children] = case children.length |
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33
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when 0 |
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nil |
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35
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when 1 |
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children.first |
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else |
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children |
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end |
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40
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41
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ElementObject.new(type, key, ref, Hyalite.current_owner, props).tap {|el| element_created(el) } |
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end |
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44
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def element_created(element) |
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return unless @hooks |
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@hooks.each do |hook| |
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hook.call(element) |
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end |
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49
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end |
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50
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51
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def create_element_hook(&block) |
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@hooks ||= [] |
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hook_setter = HookSetter.new(@hooks) |
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yield hook_setter |
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ensure |
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hook_setter.destroy |
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57
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end |
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58
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59
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class HookSetter |
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60
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def initialize(hooks) |
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@hooks = hooks |
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@memo = [] |
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end |
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64
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65
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def hook(&block) |
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@memo << block |
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67
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@hooks << block |
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end |
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69
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70
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def destroy |
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71
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@memo.each do |m| |
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@hooks.delete(m) |
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end |
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74
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end |
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end |
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76
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77
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def fn(&block) |
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78
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Class.new { |
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include Component |
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80
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include Component::ShortHand |
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81
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82
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def self.render_proc=(proc) |
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83
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@render_proc = proc |
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84
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end |
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85
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86
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def self.render_proc |
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87
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@render_proc |
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end |
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89
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90
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def render |
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91
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self.instance_exec(@props, &self.class.render_proc) |
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92
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end |
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93
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}.tap{|cl| cl.render_proc = block } |
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94
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end |
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95
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96
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def instantiate_component(node) |
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97
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node = EmptyComponent.empty_element if node.nil? |
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98
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99
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case node |
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100
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when ElementObject |
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101
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case node.type |
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102
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when String |
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103
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DOMComponent.new node |
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104
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when Class |
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105
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if node.type.include?(InternalComponent) |
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106
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node.type.new |
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107
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elsif node.type.include?(Component) |
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108
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CompositeComponent.new node |
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109
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else |
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110
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raise "Encountered invalid type of Hyalite node. type: #{node.type}" |
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111
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end |
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112
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end |
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113
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when String, Numeric |
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114
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TextComponent.new node |
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115
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when EmptyComponent |
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116
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CompositeComponent.new node |
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117
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else |
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118
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raise "Encountered invalid Hyalite node: #{node}" |
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119
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end |
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120
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end |
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121
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122
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def render(next_element, container, &block) |
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123
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case container |
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124
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when DOM::Node |
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125
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Mount.render_subtree_into_container(next_element, container, &block) |
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126
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when Enumerable |
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127
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container.each {|node| render(next_element, node, &block) } |
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128
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end |
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129
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end |
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130
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131
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def instance_map |
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132
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@instance_map ||= {} |
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133
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end |
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134
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135
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def current_owner(current_owner = nil) |
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136
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if current_owner && block_given? |
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137
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begin |
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138
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@current_owner = current_owner |
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139
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yield(@current_owner) |
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140
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ensure |
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141
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@current_owner = nil |
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142
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end |
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143
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else |
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144
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@current_owner |
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145
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end |
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146
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end |
|
147
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148
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def find_dom_node(component_or_element) |
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149
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return component_or_element if component_or_element.respond_to?(:node_type) && component_or_element.element? |
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150
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151
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if instance_map.has_key?(component_or_element) |
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152
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return Mount.node(instance_map[component_or_element].root_node_id) |
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153
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end |
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154
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end |
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155
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end |
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156
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end |
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157
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youchan /
hyalite
