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111 lines (91 loc) · 2.54 KB
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import React, { useRef, useState, useMemo, useCallback } from 'react';
import StacksContext from './StacksContext';
import Timer from './Timer';
// eslint-disable-next-line react/prop-types
function StacksProvider({ autoDismiss, stacks: stacksConfig, children }) {
const incrementalId = useRef(0);
const initialState = useMemo(() => {
const state = {};
Object.keys(stacksConfig).forEach((name) => {
state[name] = {};
});
return state;
}, []);
const [stacks, setStacks] = useState(initialState);
const destroy = useCallback((name, id) => {
setStacks((prevStacks) => {
const stack = { ...prevStacks[name] };
const item = stack[id];
if (item.timer) {
item.timer.clear();
}
delete stack[id];
return {
...prevStacks,
[name]: stack,
};
});
}, []);
const context = useMemo(
() => ({
push: (name, component) => {
if (!stacks[name]) {
throw new Error(`Unknown stack "${name}"`);
}
setStacks((prevStacks) => {
const stack = { ...prevStacks[name] };
const item = { component };
// increment identifier
incrementalId.current += 1;
const id = incrementalId.current;
stack[id] = item;
if (autoDismiss) {
stack[id].timer = new Timer(() => {
destroy(name, id);
}, autoDismiss);
}
return {
...prevStacks,
[name]: stack,
};
});
},
}),
[],
);
return (
<>
<StacksContext.Provider value={context}>
{children}
</StacksContext.Provider>
{Object.keys(stacks).map((name) => {
const Stacks = stacksConfig[name];
return (
<Stacks key={`stacks-${name}`}>
{Object.entries(stacks[name]).map(([key, item]) => {
const Item = item.component;
return (
<Item
{...item.config}
dismiss={() => destroy(name, key)}
pauseTimeout={() => {
if (item.timer) {
item.timer.pause();
}
}}
resumeTimeout={() => {
if (item.timer) {
item.timer.resume();
}
}}
key={`stacks-${name}-${key}`}
/>
);
})}
</Stacks>
);
})}
</>
);
}
export default StacksProvider;