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# File 'lib/preact/component/callbacks.rb', line 2
def self.included(base)
base.instance_exec do
def component_did_catch(&block)
%x{
var fun = function(error, newVNode, oldVNode, errorInfo) {
const oper = Opal.Preact;
oper.register_active_component(this);
try {
#{`this.__ruby_instance`.instance_exec(`error`, `newVNode`, `oldVNode`, `errorInfo`, &block)};
} catch (e) { console.error(e.message === Opal.nil ? 'error at' : e.message, e.stack); }
oper.unregister_active_component(this);
}
if (self.lucid_preact_component) { self.lucid_preact_component.prototype.componentDidCatch = fun; }
else { self.preact_component.prototype.componentDidCatch = fun; }
Opal.Preact.using_did_catch = true;
}
end
def component_did_mount(&block)
%x{
let fun = function() {
const oper = Opal.Preact;
oper.register_active_component(this);
try { #{`this.__ruby_instance`.instance_exec(&block)}; }
catch (e) { console.error(e.message === Opal.nil ? 'error at' : e.message, e.stack); }
if (self.preload_did_mount_proc) { #{`this.__ruby_instance`.instance_exec { self.class.JS[:preload_did_mount_proc].call } } }
oper.unregister_active_component(this);
}
if (self.lucid_preact_component) {
self.lucid_preact_component.prototype.componentDidMount = fun;
} else {
self.preact_component.prototype.componentDidMount = fun;
}
}
end
def component_did_update(&block)
%x{
var fun = function(prev_props, prev_state, snapshot) {
const oper = Opal.Preact;
oper.register_active_component(this);
try {
#{`this.__ruby_instance`.instance_exec(`oper.Props.$new({props: prev_props})`,
`oper.State.$new({state: prev_state})`,
`snapshot`, &block)};
} catch (e) { console.error(e.message === Opal.nil ? 'error at' : e.message, e.stack); }
oper.unregister_active_component(this);
}
if (self.lucid_preact_component) { self.lucid_preact_component.prototype.componentDidUpdate = fun; }
else { self.preact_component.prototype.componentDidUpdate = fun; }
}
end
def component_will_unmount(&block)
%x{
var fun = function() {
const oper = Opal.Preact;
if (typeof this.unsubscriber === "function") { this.unsubscriber(); };
oper.register_active_component(this);
try {
#{`this.__ruby_instance`.instance_exec(&block)};
} catch (e) { console.error(e.message === Opal.nil ? 'error at' : e.message, e.stack); }
oper.unregister_active_component(this);
}
if (self.lucid_preact_component) { self.lucid_preact_component.prototype.componentWillUnmount = fun; }
else { self.preact_component.prototype.componentWillUnmount = fun; }
}
end
def get_derived_state_from_props(&block)
%x{
var fun = function(props, state) {
const oper = Opal.Preact;
oper.register_active_component(this);
try {
var result = #{`this.__ruby_instance`.instance_exec(`oper.Props.$new({props: props})`,
`oper.State.$new({state: state})`, &block)};
} catch (e) { console.error(e.message === Opal.nil ? 'error at' : e.message, e.stack); }
oper.unregister_active_component(this);
if (typeof result.$to_n === 'function') { result = result.$to_n() }
if (result === nil) { return null; }
return result;
}
if (self.lucid_preact_component) { self.lucid_preact_component.prototype.getDerivedStateFromProps = fun; }
else { self.preact_component.prototype.getDerivedStateFromProps = fun; }
}
end
def get_snapshot_before_update(&block)
%x{
var fun = function(prev_props, prev_state) {
const oper = Opal.Preact;
oper.register_active_component(this);
try {
var result = #{`this.__ruby_instance`.instance_exec(`oper.Props.$new({props: prev_props})`,
`oper.State.$new({state: prev_state})`, &block)};
} catch (e) { console.error(e.message === Opal.nil ? 'error at' : e.message, e.stack); }
oper.unregister_active_component(this);
if (result === nil) { return null; }
return result;
}
if (self.lucid_preact_component) { self.lucid_preact_component.prototype.getSnapshotBeforeUpdate = fun; }
else { self.preact_component.prototype.getSnapshotBeforeUpdate = fun; }
}
end
end
end
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