@resiliojs/core

Framework-independent typed error presentation policy engine.

Install

pnpm add @resiliojs/core

What It Provides

Runtime-safe public error catalog and decoder
Exhaustive, context-aware presentation policies
PresentationPlan with primary and supplemental decisions
Per-decision deduplication
Optional decision and invalid-payload observation events

import {
  createPresentationEvaluator,
  defineErrorCatalog,
  definePresentationPolicy,
} from '@resiliojs/core';

const policy = definePresentationPolicy(catalog, {
  SESSION_EXPIRED: [{
    decide: () => ({
      channel: 'modal',
      severity: 'error',
      messageKey: 'errors.sessionExpired',
    }),
  }],
});

const evaluator = createPresentationEvaluator({ catalog, policy, fallback });
const result = await evaluator.evaluateUnknown(input, { source: 'manual' });

See the full documentation.

MIT