@ai2070/l0/dist/zod/stream.js

L0: The Missing Reliability Substrate for AI

import { z } from "zod4";
const StreamEventSchema = z.object({
  type: z.enum(["text-delta", "finish", "error", "content-delta", "tool-call"]),
  textDelta: z.string().optional(),
  finishReason: z.string().optional(),
  error: z.instanceof(Error).optional(),
  content: z.string().optional(),
  toolCall: z.any().optional()
});
const StreamNormalizerOptionsSchema = z.object({
  accumulate: z.boolean().optional(),
  checkpoint: z.boolean().optional(),
  checkpointInterval: z.number().optional()
});
const StreamWrapperSchema = z.object({
  stream: z.any(),
  // AsyncIterable<any>
  signal: z.instanceof(AbortSignal).optional(),
  initialTimeout: z.number().optional(),
  interTokenTimeout: z.number().optional()
});
const StreamStateSchema = z.object({
  started: z.boolean(),
  firstTokenReceived: z.boolean(),
  startTime: z.number().optional(),
  firstTokenTime: z.number().optional(),
  lastTokenTime: z.number().optional(),
  tokenCount: z.number(),
  complete: z.boolean(),
  aborted: z.boolean(),
  error: z.instanceof(Error).optional()
});
const StreamChunkSchema = z.object({
  content: z.string(),
  done: z.boolean(),
  timestamp: z.number(),
  accumulated: z.string().optional(),
  index: z.number()
});
const StreamHandlerSchema = z.function();
const StreamErrorTypeSchema = z.enum([
  "timeout",
  "abort",
  "network",
  "parse",
  "unknown"
]);
const StreamErrorSchema = z.object({
  name: z.string(),
  message: z.string(),
  stack: z.string().optional(),
  type: StreamErrorTypeSchema,
  recoverable: z.boolean(),
  timestamp: z.number()
});
const StreamResumptionStateSchema = z.object({
  lastContent: z.string(),
  lastTokenIndex: z.number(),
  lastTokenTime: z.number(),
  canResume: z.boolean()
});
export {
  StreamChunkSchema,
  StreamErrorSchema,
  StreamErrorTypeSchema,
  StreamEventSchema,
  StreamHandlerSchema,
  StreamNormalizerOptionsSchema,
  StreamResumptionStateSchema,
  StreamStateSchema,
  StreamWrapperSchema
};
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