next
Version:
The React Framework
88 lines (87 loc) • 2.91 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
0 && (module.exports = {
intervalsManager: null,
timeoutsManager: null
});
function _export(target, all) {
for(var name in all)Object.defineProperty(target, name, {
enumerable: true,
get: all[name]
});
}
_export(exports, {
intervalsManager: function() {
return intervalsManager;
},
timeoutsManager: function() {
return timeoutsManager;
}
});
class ResourceManager {
add(resourceArgs) {
const resource = this.create(resourceArgs);
this.resources.push(resource);
return resource;
}
remove(resource) {
this.resources = this.resources.filter((r)=>r !== resource);
this.destroy(resource);
}
removeAll() {
this.resources.forEach(this.destroy);
this.resources = [];
}
constructor(){
this.resources = [];
}
}
class IntervalsManager extends ResourceManager {
create(args) {
// TODO: use the edge runtime provided `setInterval` instead
return webSetIntervalPolyfill(...args);
}
destroy(interval) {
clearInterval(interval);
}
}
class TimeoutsManager extends ResourceManager {
create(args) {
// TODO: use the edge runtime provided `setTimeout` instead
return webSetTimeoutPolyfill(...args);
}
destroy(timeout) {
clearTimeout(timeout);
}
}
function webSetIntervalPolyfill(callback, ms, ...args) {
return setInterval(()=>{
// node's `setInterval` sets `this` to the `Timeout` instance it returned,
// but web `setInterval` always sets `this` to `window`
// see: https://developer.mozilla.org/en-US/docs/Web/API/Window/setInterval#the_this_problem
return callback.apply(globalThis, args);
}, ms)[Symbol.toPrimitive]();
}
function webSetTimeoutPolyfill(callback, ms, ...args) {
const wrappedCallback = ()=>{
try {
// node's `setTimeout` sets `this` to the `Timeout` instance it returned,
// but web `setTimeout` always sets `this` to `window`
// see: https://developer.mozilla.org/en-US/docs/Web/API/Window/setTimeout#the_this_problem
return callback.apply(globalThis, args);
} finally{
// On certain older node versions (<20.16.0, <22.4.0),
// a `setTimeout` whose Timeout was converted to a primitive will leak.
// See: https://github.com/nodejs/node/issues/53335
// We can work around this by explicitly calling `clearTimeout` after the callback runs.
clearTimeout(timeout);
}
};
const timeout = setTimeout(wrappedCallback, ms);
return timeout[Symbol.toPrimitive]();
}
const intervalsManager = new IntervalsManager();
const timeoutsManager = new TimeoutsManager();
//# sourceMappingURL=resource-managers.js.map