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use super::{Middleware, ReduceMiddlewareResult};
use crate::StoreEvent;
use serde::Serialize;
use std::{fmt::Display, hash::Hash};
use wasm_bindgen::JsValue;
use web_sys::console;
pub enum LogLevel {
Trace,
Debug,
Warn,
Info,
Log,
}
impl LogLevel {
pub fn log(&self, message: &JsValue) {
match self {
LogLevel::Trace => console::trace_1(message),
LogLevel::Debug => console::debug_1(message),
LogLevel::Warn => console::warn_1(message),
LogLevel::Info => console::info_1(message),
LogLevel::Log => console::log_1(message),
}
}
}
impl Default for LogLevel {
fn default() -> Self {
LogLevel::Log
}
}
pub struct WebLoggerMiddleware {
log_level: LogLevel,
}
impl WebLoggerMiddleware {
pub fn new() -> Self {
Self {
log_level: LogLevel::default(),
}
}
pub fn log_level(mut self, log_level: LogLevel) -> Self {
self.log_level = log_level;
self
}
}
impl Default for WebLoggerMiddleware {
fn default() -> Self {
WebLoggerMiddleware::new()
}
}
impl<State, Action, Event, Effect> Middleware<State, Action, Event, Effect> for WebLoggerMiddleware
where
State: Serialize,
Action: Serialize + Display,
Event: StoreEvent + Clone + Hash + Eq + Serialize,
Effect: Serialize,
{
fn on_reduce(
&self,
store: &crate::Store<State, Action, Event, Effect>,
action: Option<&Action>,
reduce: super::ReduceFn<State, Action, Event, Effect>,
) -> ReduceMiddlewareResult<Event, Effect> {
let prev_state_js = JsValue::from_serde(&(*store.state())).unwrap();
let action_js = JsValue::from_serde(&action).unwrap();
let action_display = match &action {
Some(action) => format!("{}", action),
None => "None".to_string(),
};
let result = reduce(store, action);
let next_state_js = JsValue::from_serde(&(*store.state())).unwrap();
let effects_js = JsValue::from_serde(&result.effects).unwrap();
let effects_display = match &result.effects.len() {
0 => "None".to_string(),
_ => format!("({})", result.effects.len()),
};
console::group_collapsed_3(
&JsValue::from_serde(&format!("%caction %c{}", action_display)).unwrap(),
&JsValue::from_str("color: gray; font-weight: lighter;"),
&JsValue::from_str("inherit"),
);
console::group_collapsed_2(
&JsValue::from_str("%cprev state"),
&JsValue::from_str("color: #9E9E9E; font-weight: bold;"),
);
self.log_level.log(&prev_state_js);
console::group_end();
console::group_collapsed_3(
&JsValue::from_str(&format!("%caction: %c{}", action_display)),
&JsValue::from_str("color: #03A9F4; font-weight: bold;"),
&JsValue::from_str("color: gray; font-weight: lighter;"),
);
self.log_level.log(&action_js);
console::group_end();
console::group_collapsed_2(
&JsValue::from_str("%cnext state"),
&JsValue::from_str("color: #4CAF50; font-weight: bold;"),
);
self.log_level.log(&next_state_js);
console::group_end();
console::group_collapsed_3(
&JsValue::from_str(&format!("%ceffects: %c{}", effects_display)),
&JsValue::from_str("color: #C210C2; font-weight: bold;"),
&JsValue::from_str("color: gray; font-weight: lighter;"),
);
self.log_level.log(&effects_js);
console::group_end();
result
}
fn process_effect(
&self,
_store: &crate::Store<State, Action, Event, Effect>,
effect: Effect,
) -> Option<Effect> {
Some(effect)
}
fn on_notify(
&self,
store: &crate::Store<State, Action, Event, Effect>,
events: Vec<Event>,
notify: super::NotifyFn<State, Action, Event, Effect>,
) -> Vec<Event> {
let events_js = JsValue::from_serde(&events).unwrap();
let events_display = match events.len() {
0 => "None".to_string(),
_ => format!("({})", events.len()),
};
console::group_collapsed_3(
&JsValue::from_str(&format!("%cevents: %c{}", events_display)),
&JsValue::from_str("color: #FCBA03; font-weight: bold;"),
&JsValue::from_str("color: gray; font-weight: lighter;"),
);
self.log_level.log(&events_js);
console::group_end();
console::group_end();
notify(store, events)
}
}