gloo-history 0.3.0

Universal Session History
Documentation 
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use std::any::Any;
use std::collections::HashMap;
use std::rc::Rc;

use serde::{Deserialize, Serialize};

use crate::utils::get_id;

/// A constant to prevent state collision.
#[derive(Debug, Clone, Serialize, Deserialize)]
enum HistoryStateKind {
    #[serde(rename = "gloo_history_state")]
    Gloo,
}

/// The state used by browser history to store history id.
#[derive(Debug, Clone, Serialize, Deserialize)]
pub(crate) struct HistoryState {
    id: u32,
    kind: HistoryStateKind,
}

impl HistoryState {
    pub fn new() -> HistoryState {
        Self {
            id: get_id(),
            kind: HistoryStateKind::Gloo,
        }
    }

    pub fn id(&self) -> u32 {
        self.id
    }
}

pub(crate) type StateMap = HashMap<u32, Rc<dyn Any>>;