function createAsyncBatcher<TValue, TSelected>(
fn,
initialOptions,
selector): SolidAsyncBatcher<TValue, TSelected>
function createAsyncBatcher<TValue, TSelected>(
fn,
initialOptions,
selector): SolidAsyncBatcher<TValue, TSelected>
定义于: async-batcher/createAsyncBatcher.ts:128
创建一个兼容 Solid 的 AsyncBatcher 实例,用于管理异步项目批次,并公开所有状态属性的 Solid 信号。
这是 createBatcher hook 的异步版本。与同步版本不同,这个异步 batcher
特性
batcher 收集项目,并根据
错误处理
该 hook 使用 TanStack Store 进行响应式状态管理。 selector 参数允许您指定哪些状态更改将触发重新渲染,通过防止不必要的重新渲染来优化性能,当无关的状态发生变化时。
默认情况下,不会有响应式状态订阅,您必须通过提供 selector 函数来选择跟踪状态。这可以防止不必要的重新渲染,并让您完全控制组件何时更新。只有在提供 selector 时,组件才会响应所选状态值的变化而重新渲染。
可用的状态属性
用法示例
// Default behavior - no reactive state subscriptions
const asyncBatcher = createAsyncBatcher(
async (items) => {
const results = await Promise.all(items.map(item => processItem(item)));
return results;
},
{
maxSize: 10,
wait: 2000,
onSuccess: (result) => {
console.log('Batch processed successfully:', result);
},
onError: (error) => {
console.error('Batch processing failed:', error);
}
}
);
// Opt-in to re-render when items or isExecuting changes (optimized for UI updates)
const asyncBatcher = createAsyncBatcher(
async (items) => {
const results = await Promise.all(items.map(item => processItem(item)));
return results;
},
{ maxSize: 10, wait: 2000 },
(state) => ({ items: state.items, isExecuting: state.isExecuting })
);
// Opt-in to re-render when error state changes (optimized for error handling)
const asyncBatcher = createAsyncBatcher(
async (items) => {
const results = await Promise.all(items.map(item => processItem(item)));
return results;
},
{ maxSize: 10, wait: 2000 },
(state) => ({ hasError: state.hasError, lastError: state.lastError })
);
// Add items to batch
asyncBatcher.addItem(newItem);
// Manually execute batch
const result = await asyncBatcher.execute();
// Access the selected state (will be empty object {} unless selector provided)
const { items, isExecuting } = asyncBatcher.state();
// Default behavior - no reactive state subscriptions
const asyncBatcher = createAsyncBatcher(
async (items) => {
const results = await Promise.all(items.map(item => processItem(item)));
return results;
},
{
maxSize: 10,
wait: 2000,
onSuccess: (result) => {
console.log('Batch processed successfully:', result);
},
onError: (error) => {
console.error('Batch processing failed:', error);
}
}
);
// Opt-in to re-render when items or isExecuting changes (optimized for UI updates)
const asyncBatcher = createAsyncBatcher(
async (items) => {
const results = await Promise.all(items.map(item => processItem(item)));
return results;
},
{ maxSize: 10, wait: 2000 },
(state) => ({ items: state.items, isExecuting: state.isExecuting })
);
// Opt-in to re-render when error state changes (optimized for error handling)
const asyncBatcher = createAsyncBatcher(
async (items) => {
const results = await Promise.all(items.map(item => processItem(item)));
return results;
},
{ maxSize: 10, wait: 2000 },
(state) => ({ hasError: state.hasError, lastError: state.lastError })
);
// Add items to batch
asyncBatcher.addItem(newItem);
// Manually execute batch
const result = await asyncBatcher.execute();
// Access the selected state (will be empty object {} unless selector provided)
const { items, isExecuting } = asyncBatcher.state();
• TValue
• TSelected = {}
(items) => Promise<any>
AsyncBatcherOptions<TValue> = {}
(state) => TSelected
SolidAsyncBatcher<TValue, TSelected>
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