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table-state

Read and control Angular Table v9 state using signals, Angular's reactive values. This skill explains tracked reads, externally managed pagination, shared state, and update callbacks so table changes stay connected to templates and derived values.

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Read and control Table v9 state in angular. Use for tracked reads, subscriptions, controlled slices, and framework-specific reactive boundaries.

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适用场景

  • Managing pagination with Angular signals
  • Diagnosing table state that does not update the view
  • Reading only the state needed by a template
  • Sharing table state through atoms

包含的文件(2)

  • SKILL.md2.9 KB
  • references/reactivity.md2.6 KB

SKILL.md(原文)

安装前可以查看交给 AI 代理的指令内容。

Load intent load @tanstack/table-core#table-state first for shared ownership, initialization, updater, and reset rules.

Angular-backed atom reads participate in tracking inside templates, computed, and effect. A value captured outside those contexts is only a snapshot. Use computed for derivation or equality control; wrapping an atom is not required to make it reactive.

Controlled signal setup

<!-- skill-snippet:check tsconfig=scripts/skill-snippets-angular.tsconfig.json -->
import { Component, signal } from '@angular/core'
import {
  injectTable,
  rowPaginationFeature,
  tableFeatures,
} from '@tanstack/angular-table'

const features = tableFeatures({ rowPaginationFeature })
const columns = [{ accessorKey: 'name' }]
const data = [{ name: 'Ada' }]

@Component({
  selector: 'page-status',
  template: `<button (click)="table.nextPage()">
    Page {{ table.atoms.pagination.get().pageIndex + 1 }}
  </button>`,
})
export class PageStatus {
  readonly pagination = signal({ pageIndex: 0, pageSize: 20 })
  readonly table = injectTable(() => ({
    features,
    columns,
    data,
    state: { pagination: this.pagination() },
    onPaginationChange: (next) =>
      typeof next === 'function'
        ? this.pagination.update(next)
        : this.pagination.set(next),
  }))
}

Reactive boundaries

  • Construct in Angular injection context. Signal writes used by the initializer rerun it and call setOptions; hoist features and columns and keep data references stable.
  • Supply both state.pagination and onPaginationChange when a signal owns the slice. Resolve updater functions with .update(next) instead of storing the function with .set(next).
  • For shared state, create a stable atom with @tanstack/angular-store and pass it through atoms. Its writes do not need to flow through a controlled signal in the initializer.
  • Use table.store.get() for the flat state. Prefer table.atoms.<slice>.get() for narrow tracked reads.

Read for the task

For advanced reactive boundaries, shared atoms, or detailed subscription examples, read reactivity. For construction or rendering setup, read getting-started.

API discovery

Inspect node_modules/@tanstack/angular-table/dist/types/ for the bundled public declarations. Inspect feature APIs under node_modules/@tanstack/table-core/dist/features/.

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