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deepseek-harness/packages/code-runtime/code-runtime-worker-thread/tsdown.config.ts

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feat: add the worker-thread code runtime (dsh-code-runtime-worker) The shipped backend of the code-execution seam, per the Code Mode RFC's worker-thread section: one fresh Node worker per run, executing the model's TypeScript after a host-side type-strip (wrapped in an async-function shell so top-level return/await parse, sliced back out position-preserved), bindings bridged over the message port under hostile-peer rules (own-property name lookup, at-most-once replies, post-settlement drops, null-prototype namespaces), logs streamed eagerly with an in-band truncation marker, and two independent budgets — measured event-loop busy time (computeMs) plus a never-pausing wall ceiling (maxWallMs) — funneling into worker.terminate(). env: {} and execArgv: [] keep the isolate hermetic; disposal aborts in-flight runs and awaits worker exits. The worker entry loads unbuilt via Node's native type stripping (src/worker.ts, erasable-only) and ships built as a sibling tsdown bundle (lib/worker.js); tests/built-lib.e2e.ts pins the built load path under plain node and joins the built-artifact smoke gate. Unit suites cover the bootstrap in-process (fake port) and the runtime over real workers, per-file 100%.
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import { defineConfig } from 'tsdown'
/**
Merge remote-tracking branch 'origin/master' into codex/trim-ai-prose # Conflicts: # docs/config-catalog.md # docs/event-producer-consumer.md # docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md # examples/acp-agent/tests/acp.snapshot.ts # packages/code-runtime/code-runtime-worker/tests/built-lib.e2e.ts # packages/code-runtime/code-runtime-worker/tsdown.config.ts
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* Build the index and worker as separate single-entry bundles. The sibling `worker.cjs` is loaded
* by file and must be CommonJS for pkg's VFS Worker hook. A multi-entry build emits an unlisted
* shared chunk omitted by the package's exact `files` whitelist; separate builds inline it.
feat: add the worker-thread code runtime (dsh-code-runtime-worker) The shipped backend of the code-execution seam, per the Code Mode RFC's worker-thread section: one fresh Node worker per run, executing the model's TypeScript after a host-side type-strip (wrapped in an async-function shell so top-level return/await parse, sliced back out position-preserved), bindings bridged over the message port under hostile-peer rules (own-property name lookup, at-most-once replies, post-settlement drops, null-prototype namespaces), logs streamed eagerly with an in-band truncation marker, and two independent budgets — measured event-loop busy time (computeMs) plus a never-pausing wall ceiling (maxWallMs) — funneling into worker.terminate(). env: {} and execArgv: [] keep the isolate hermetic; disposal aborts in-flight runs and awaits worker exits. The worker entry loads unbuilt via Node's native type stripping (src/worker.ts, erasable-only) and ships built as a sibling tsdown bundle (lib/worker.js); tests/built-lib.e2e.ts pins the built load path under plain node and joins the built-artifact smoke gate. Unit suites cover the bootstrap in-process (fake port) and the runtime over real workers, per-file 100%.
2026-07-08 11:00:06 +08:00
*/
fix: self-contained built bundles + wire-size value cap (bot review) Two findings from the GitHub review bot on the ready PR: The tsdown two-entry build emitted the shared bootstrap module as a lib/bootstrap-*.js chunk imported by both bundles, which the package.json files whitelist (deliberately exact) omitted — a packed install had dangling imports. The package now runs two single-entry builds, so each bundle inlines its own bootstrap copy and every shipped file is self-contained. prepareValue admitted any cloneable value whose BOUNDED inspect rendering fit maxValueBytes, so a huge container with a compact rendering (a 50k-element array renders as '... N more items') crossed the port raw, bypassing the cap on both sides. The cap now measures the value's real cross-boundary size — exact bytes for strings, the structured-clone wire size (v8.serialize) for everything else — and oversized containers cross as their bounded rendering instead.
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export default defineConfig([
{
feat(invariants): require package-owned companions
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entry: ['lib/types/index.js', 'lib/types/invariant.js'],
fix: self-contained built bundles + wire-size value cap (bot review) Two findings from the GitHub review bot on the ready PR: The tsdown two-entry build emitted the shared bootstrap module as a lib/bootstrap-*.js chunk imported by both bundles, which the package.json files whitelist (deliberately exact) omitted — a packed install had dangling imports. The package now runs two single-entry builds, so each bundle inlines its own bootstrap copy and every shipped file is self-contained. prepareValue admitted any cloneable value whose BOUNDED inspect rendering fit maxValueBytes, so a huge container with a compact rendering (a 50k-element array renders as '... N more items') crossed the port raw, bypassing the cap on both sides. The cap now measures the value's real cross-boundary size — exact bytes for strings, the structured-clone wire size (v8.serialize) for everything else — and oversized containers cross as their bounded rendering instead.
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outDir: 'lib',
format: ['esm'],
platform: 'node',
target: 'es2024',
fixedExtension: false,
dts: false,
clean: false,
},
{
entry: ['lib/types/worker.js'],
outDir: 'lib',
fix(pkg): support worker-backed tools in single exe pkg stores application files in a virtual filesystem, and its worker_threads hook discovers worker entry points only when they are passed as filesystem strings. Convert the code-runtime entry with fileURLToPath() and return the workflow built entry as a string while retaining its source-mode data URL bootstrap. Emit worker entry bundles as CommonJS .cjs files. pkg executes a VFS-backed string-path worker through Module._compile, so an ESM-only entry can be present in the executable yet still fail when launched. Keep the public hosts ESM, adapt worker startup accordingly, and align exports, package file lists, workspace constraints, documentation, and built-worker tests with the actual artifact format. Expand the custom-config executable smoke to load the Code Mode and workflow plugins and script real run_code and zero-agent workflow calls. Require both tools to return 42 from workers launched inside the pkg VFS, turning worker support from an asset-presence assumption into an end-to-end runtime contract. Update the implemented RFC and verification gates to describe and exercise the supported built-worker path. This adds no tool or JSON-RPC protocol shape; it fixes how existing worker-backed capabilities are located and executed in the single-file distribution.
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format: ['cjs'],
fix: self-contained built bundles + wire-size value cap (bot review) Two findings from the GitHub review bot on the ready PR: The tsdown two-entry build emitted the shared bootstrap module as a lib/bootstrap-*.js chunk imported by both bundles, which the package.json files whitelist (deliberately exact) omitted — a packed install had dangling imports. The package now runs two single-entry builds, so each bundle inlines its own bootstrap copy and every shipped file is self-contained. prepareValue admitted any cloneable value whose BOUNDED inspect rendering fit maxValueBytes, so a huge container with a compact rendering (a 50k-element array renders as '... N more items') crossed the port raw, bypassing the cap on both sides. The cap now measures the value's real cross-boundary size — exact bytes for strings, the structured-clone wire size (v8.serialize) for everything else — and oversized containers cross as their bounded rendering instead.
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platform: 'node',
target: 'es2024',
fixedExtension: false,
dts: false,
clean: false,
},
])
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