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# File 'lib/isomorfeus_preact/preact/function_component/native_component_constructor.rb', line 2
def self.extended(base)
component_name = base.to_s
%x{
base.instance_init = function(initial) {
let ruby_state = { instance: #{base.new(`{}`)} };
ruby_state.instance.__ruby_instance = ruby_state.instance;
return ruby_state;
}
base.instance_reducer = function(state, action) { return state; }
base.preact_component = function(props) {
const oper = Opal.Preact;
oper.render_buffer.push([]);
const [__ruby_state, __ruby_dispatch] = Opal.global.PreactHooks.useReducer(base.instance_reducer, null, base.instance_init);
const __ruby_instance = __ruby_state.instance;
__ruby_instance.props = props;
oper.register_active_component(__ruby_instance);
try {
let block_result = #{`__ruby_instance`.instance_exec(&`base.render_block`)};
if (block_result && block_result !== nil) { oper.render_block_result(block_result); }
} catch (e) {
if (oper.using_did_catch) { throw e; }
else { console.error(e.message === nil ? 'error at' : e.message, e.stack); }
}
oper.unregister_active_component(__ruby_instance);
let result = oper.render_buffer.pop();
return (result.length === 1) ? result[0] : result;
}
base.preact_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.Preact.internal_prepare_args_and_render(#{base}.preact_component, args, block)`
end
else
Object.define_method(base.to_s) do |*args, &block|
`Opal.Preact.internal_prepare_args_and_render(#{base}.preact_component, args, block)`
end
end
def render(&block)
`base.render_block = #{block}`
end
end
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