Offload functions to worker threads with shared memory primitives for Node.js.
chore: version 1.1.0
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.changeset/fix-worker-entry-ext.md
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.changeset/fix-worker-entry-ext.md
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---
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'moroutine': patch
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---
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Fix `Cannot find module .../dist/worker-entry.ts` when consuming the published build. The worker entry URL was hardcoded to `./worker-entry.ts` as a string literal, so tsc's extension rewriting (which only handles import specifiers) left it unchanged in `dist/*.js`. Now derived from `import.meta.url` so src uses `.ts` and dist uses `.js`.
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.changeset/inert-and-map.md
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.changeset/inert-and-map.md
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---
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'moroutine': minor
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---
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Add `inert()` and `map()` helpers for fan-out over a worker pool
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- `inert(task)` returns a plain task descriptor without `PromiseLike` or `AsyncIterable` protocols — safe to yield from an (async) generator without triggering auto-await
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- `map(run, items, { concurrency, signal })` dispatches an iterable or async iterable of tasks to a `Runner` with bounded concurrency, yielding results in completion order; accepts mixed task types (`Task<string> | Task<number>` → `string | number`)
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- New example: `examples/bounded-map` — recursive directory walk hashing every file with bounded concurrency
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- `Task<T, A>` now carries a type-only arg brand to enable accurate result inference through `map()`; live tasks returned by `mo()` continue to be `PromiseLike<T>` / `AsyncIterable<T>` as before
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.changeset/is-task.md
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.changeset/is-task.md
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'moroutine': minor
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---
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Add `isTask()` type guard for narrowing tasks to a specific moroutine
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```ts
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if (isTask(isPrime, task)) {
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// task: Task<boolean, [n: number]>
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const [n] = task.args;
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}
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```
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- Moroutines returned by `mo()` now expose a readonly `id` for stable identity
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- `isTask(mo, task)` returns `true` when `task` was produced by `mo`, and narrows the task to the descriptor type produced by that moroutine
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- `Task<T, A>.args` is now typed as `A` (previously `unknown[]`) so narrowing propagates to argument access — unchanged for `Task<T>` without a specialized arg tuple
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CHANGELOG.md
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CHANGELOG.md
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# moroutine
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## 1.1.0
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### Minor Changes
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- 25ea1c1: Add `inert()` and `map()` helpers for fan-out over a worker pool
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- `inert(task)` returns a plain task descriptor without `PromiseLike` or `AsyncIterable` protocols — safe to yield from an (async) generator without triggering auto-await
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- `map(run, items, { concurrency, signal })` dispatches an iterable or async iterable of tasks to a `Runner` with bounded concurrency, yielding results in completion order; accepts mixed task types (`Task<string> | Task<number>` → `string | number`)
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- New example: `examples/bounded-map` — recursive directory walk hashing every file with bounded concurrency
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- `Task<T, A>` now carries a type-only arg brand to enable accurate result inference through `map()`; live tasks returned by `mo()` continue to be `PromiseLike<T>` / `AsyncIterable<T>` as before
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- 4ef12db: Add `isTask()` type guard for narrowing tasks to a specific moroutine
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```ts
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if (isTask(isPrime, task)) {
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// task: Task<boolean, [n: number]>
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const [n] = task.args;
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}
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```
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- Moroutines returned by `mo()` now expose a readonly `id` for stable identity
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- `isTask(mo, task)` returns `true` when `task` was produced by `mo`, and narrows the task to the descriptor type produced by that moroutine
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- `Task<T, A>.args` is now typed as `A` (previously `unknown[]`) so narrowing propagates to argument access — unchanged for `Task<T>` without a specialized arg tuple
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### Patch Changes
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- e2cebd5: Fix `Cannot find module .../dist/worker-entry.ts` when consuming the published build. The worker entry URL was hardcoded to `./worker-entry.ts` as a string literal, so tsc's extension rewriting (which only handles import specifiers) left it unchanged in `dist/*.js`. Now derived from `import.meta.url` so src uses `.ts` and dist uses `.js`.
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## 1.0.0
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### Major Changes