reflex/pynecone/.templates/jinja/web/pages/index.js.jinja2

103 lines
3.2 KiB
Django/Jinja

{% extends "web/pages/base_page.js.jinja2" %}
{% block declaration %}
{% for custom_code in custom_codes %}
{{custom_code}}
{% endfor %}
{% endblock %}
{% block export %}
export default function Component() {
const [{{state_name}}, {{state_name|react_setter}}] = useState({{initial_state|json_dumps}})
const [{{const.result}}, {{const.result|react_setter}}] = useState({{const.initial_result|json_dumps}})
const [notConnected, setNotConnected] = useState(false)
const {{const.router}} = useRouter()
const {{const.socket}} = useRef(null)
const { isReady } = {{const.router}}
const { {{const.color_mode}}, {{const.toggle_color_mode}} } = {{const.use_color_mode}}()
const focusRef = useRef();
// Function to add new events to the event queue.
const Event = (events, _e) => {
preventDefault(_e);
{{state_name|react_setter}}(state => ({
...state,
events: [...state.events, ...events],
}))
}
// Function to add new files to be uploaded.
const File = files => {{state_name|react_setter}}(state => ({
...state,
files,
}))
// Main event loop.
useEffect(()=> {
// Skip if the router is not ready.
if (!isReady) {
return;
}
// Initialize the websocket connection.
if (!{{const.socket}}.current) {
connect({{const.socket}}, {{state_name}}, {{state_name|react_setter}}, {{const.result}}, {{const.result|react_setter}}, {{const.router}}, {{transports}}, setNotConnected)
}
// If we are not processing an event, process the next event.
if (!{{const.result}}.{{const.processing}}) {
processEvent({{state_name}}, {{state_name|react_setter}}, {{const.result}}, {{const.result|react_setter}}, {{const.router}}, {{const.socket}}.current)
}
// If there is a new result, update the state.
if ({{const.result}}.{{const.state}} != null) {
// Apply the new result to the state and the new events to the queue.
{{state_name|react_setter}}(state => ({
...{{const.result}}.{{const.state}},
events: [...state.{{const.events}}, ...{{const.result}}.{{const.events}}],
}))
// Reset the result.
{{const.result|react_setter}}(result => ({
{{const.state}}: null,
{{const.events}}: [],
{{const.final}}: true,
{{const.processing}}: !{{const.result}}.{{const.final}},
}))
// Process the next event.
processEvent({{state_name}}, {{state_name|react_setter}}, {{const.result}}, {{const.result|react_setter}}, {{const.router}}, {{const.socket}}.current)
}
})
// Set focus to the specified element.
useEffect(() => {
if (focusRef.current) {
focusRef.current.focus();
}
})
// Route after the initial page hydration.
useEffect(() => {
const change_complete = () => Event([E('{{state_name}}.{{const.hydrate}}', {})])
{{const.router}}.events.on('routeChangeComplete', change_complete)
return () => {
{{const.router}}.events.off('routeChangeComplete', change_complete)
}
}, [{{const.router}}])
{% for hook in hooks %}
{{ hook }}
{% endfor %}
return (
<Fragment>
{%- if err_comp -%}
{{ utils.render(err_comp, indent_width=1) }}
{%- endif -%}
{{utils.render(render, indent_width=0)}}
</Fragment>
)
}
{% endblock %}