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https://github.com/stablyai/orca.git
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Neil
6bb2e13c35
* refactor(tooling): group remaining scripts by concrete domain owners * fix(tooling): preserve relocated launcher resource roots
40 lines
1.3 KiB
JavaScript
40 lines
1.3 KiB
JavaScript
import os from 'node:os'
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export const DEV_RUNTIME_ENV_KEYS = 'ORCA_DEV_RUNTIME_ENV_KEYS'
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// Measured idle electron-vite RSS 4.6GB -> 3.0GB with no HMR or startup regression.
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const DEV_THREADS = '4'
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const DEV_RUNTIME_DEFAULTS = {
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// mimalloc otherwise keeps freed Rolldown arenas resident for the whole dev session.
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MIMALLOC_PURGE_DELAY: '0',
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ROLLDOWN_WORKER_THREADS: DEV_THREADS,
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RAYON_NUM_THREADS: DEV_THREADS
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}
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/** Sizes the dev server's Rolldown runtime; records added keys so Electron's environment can drop them. */
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export function withDevRolldownRuntimeEnv(env, availableParallelism = os.availableParallelism()) {
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const added = Object.entries(DEV_RUNTIME_DEFAULTS).filter(
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([key]) =>
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env[key] === undefined &&
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(key === 'MIMALLOC_PURGE_DELAY' || availableParallelism > Number(DEV_THREADS))
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)
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if (added.length === 0) {
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return env
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}
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return {
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...env,
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...Object.fromEntries(added),
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[DEV_RUNTIME_ENV_KEYS]: added.map(([key]) => key).join(',')
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}
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}
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/** Rolldown has read these before the renderer server starts; dev Electron's terminals must not inherit them. */
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export function removeDevRolldownRuntimeEnv(env) {
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for (const key of (env[DEV_RUNTIME_ENV_KEYS] ?? '').split(',')) {
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if (key) {
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delete env[key]
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}
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}
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delete env[DEV_RUNTIME_ENV_KEYS]
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}
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