Class: ParallelBuilder

Defined in: src/core-flow/Parallel.ts:790

Fluent builder. Requires at least 2 branches + one merge strategy.

Constructors

Constructor

new ParallelBuilder(opts): ParallelBuilder

Defined in: src/core-flow/Parallel.ts:796

Parameters

opts

ParallelOptions

Returns

ParallelBuilder

Methods

branch()

branch(id, runner, nameOrOpts?): this

Defined in: src/core-flow/Parallel.ts:809

Add a branch. All branches run concurrently with the same input.

Third arg accepts EITHER a legacy bare name string (back-compat with pre-L1c callers) OR a ParallelBranchOptions bag containing name and/or a per-method groupTranslator override. The override applies ONLY to this branch's member.uiGroup and does not affect any other branch or the runner's own translator.

Parameters

id

string

runner

BranchChild

nameOrOpts?

string | ParallelBranchOptions

Returns

this

---

build()

build(): Parallel

Defined in: src/core-flow/Parallel.ts:880

Returns

Parallel

---

mergeOutcomesWithFn()

mergeOutcomesWithFn(fn): this

Defined in: src/core-flow/Parallel.ts:872

Tolerant merge — receives { [branchId]: BranchOutcome } including both successes ({ ok: true, value }) and failures ({ ok: false, error }). Parallel does NOT throw on partial failure when this merge variant is used; the consumer's fn decides how to handle it (fall back, surface a warning, retry at a higher level, etc.).

Use the default mergeWithFn / mergeWithLLM variants when you want a single failing branch to abort the whole Parallel loudly.

Parameters

fn

MergeOutcomesFn

Returns

this

---

mergeWithFn()

mergeWithFn(fn): this

Defined in: src/core-flow/Parallel.ts:845

Merge branch results via a pure function. fn receives { [branchId]: string } and returns the merged string.

Parameters

fn

MergeFn

Returns

this

---

mergeWithLLM()

mergeWithLLM(opts): this

Defined in: src/core-flow/Parallel.ts:854

Merge branch results by feeding them to an LLM for synthesis.

Parameters

opts

MergeWithLLMOptions

Returns

this