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Embedded web UI build ran out of heap on the Intel release runner #69

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Merged
mayoalexander merged 1 commit into from
Sep 17, 2026
Merged

Embedded web UI build ran out of heap on the Intel release runner #69

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10 changes: 9 additions & 1 deletion packages/opencode/script/build.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -27,7 +27,15 @@ const createEmbeddedWebUIBundle = async () => {
console.log(`Building Web UI to embed in the binary`)
const appDir = path.join(import.meta.dirname, "../../app")
const dist = path.join(appDir, "dist")
await $`OPENCODE_CHANNEL=${Script.channel} bun run --cwd ${appDir} build`
// HEAP HEADROOM for vite. The embedded UI build runs under node and sat right at node's default
// ~2 GB old-space limit: on the Intel macOS release runner it died with "Reached heap limit
// Allocation failed - JavaScript heap out of memory" at 2017 MB, inside JSON.stringify of the
// sourcemaps (desktop-v1.18.68, 2026-09-17). The same commit had passed an hour earlier, so it
// was borderline, not broken — and a borderline build fails a release at random, after the
// other platforms have already published. 4 GB leaves real room on a 14 GB runner. Appended,
// not replaced, so any NODE_OPTIONS the caller set still applies.
const nodeOptions = [process.env.NODE_OPTIONS, "--max-old-space-size=4096"].filter(Boolean).join(" ")
await $`OPENCODE_CHANNEL=${Script.channel} NODE_OPTIONS=${nodeOptions} bun run --cwd ${appDir} build`
const files = (await Array.fromAsync(new Bun.Glob("**/*").scan({ cwd: dist })))
.map((file) => file.replaceAll("\\", "/"))
.filter((file) => !file.endsWith(".map"))
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