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feat(codemode): support generator functions (#38172)

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Aiden Cline 2026-07-21 20:36:42 -05:00 • committed by GitHub
commit c8a40450e5
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13 changed files with 2229 additions and 389 deletions
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21
packages/codemode/src/interpreter/iterator.ts Normal file
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import { Effect, Exit } from "effect"
import type { AstNode } from "./model.js"
export type IteratorCursor<R> = {
readonly next: Effect.Effect<{ readonly done: boolean; readonly value: unknown }, unknown, R>
readonly close: Effect.Effect<void, unknown, R>
}
export type SyncIteratorRunner<R> = {
readonly syncIterator: (value: unknown, node: AstNode) => Effect.Effect<IteratorCursor<R> | undefined, unknown, R>
}
export const preserveConsumerError = <A, R>(
cursor: IteratorCursor<R>,
effect: Effect.Effect<A, unknown, R>,
): Effect.Effect<A, unknown, R> =>
Effect.flatMap(Effect.exit(effect), (exit) =>
Exit.isSuccess(exit)
? Effect.succeed(exit.value)
: Effect.andThen(Effect.exit(cursor.close), Effect.failCause(exit.cause)),
)