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perf(browser): precompute browser help

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This commit is contained in:
Peter Steinberger
2026-04-25 13:07:01 +01:00
parent 3064ea78ab
commit c977643460
8 changed files with 212 additions and 17 deletions
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31
openclaw.mjs
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@@ -128,13 +128,18 @@ const buildMissingEntryErrorMessage = async () => {
const isBareRootHelpInvocation = (argv) =>
argv.length === 3 && (argv[2] === "--help" || argv[2] === "-h");
const loadPrecomputedRootHelpText = () => {
const isBrowserHelpInvocation = (argv) =>
argv.length === 4 && argv[2] === "browser" && (argv[3] === "--help" || argv[3] === "-h");
const isHelpFastPathDisabled = () =>
process.env.OPENCLAW_DISABLE_CLI_STARTUP_HELP_FAST_PATH === "1";
const loadPrecomputedHelpText = (key) => {
try {
const raw = readFileSync(new URL("./dist/cli-startup-metadata.json", import.meta.url), "utf8");
const parsed = JSON.parse(raw);
return typeof parsed?.rootHelpText === "string" && parsed.rootHelpText.length > 0
? parsed.rootHelpText
: null;
const value = parsed?.[key];
return typeof value === "string" && value.length > 0 ? value : null;
} catch {
return null;
}
@@ -144,7 +149,7 @@ const tryOutputBareRootHelp = async () => {
if (!isBareRootHelpInvocation(process.argv)) {
return false;
}
const precomputed = loadPrecomputedRootHelpText();
const precomputed = loadPrecomputedHelpText("rootHelpText");
if (precomputed) {
process.stdout.write(precomputed);
return true;
@@ -166,7 +171,21 @@ const tryOutputBareRootHelp = async () => {
return false;
};
if (await tryOutputBareRootHelp()) {
const tryOutputBrowserHelp = () => {
if (!isBrowserHelpInvocation(process.argv)) {
return false;
}
const precomputed = loadPrecomputedHelpText("browserHelpText");
if (!precomputed) {
return false;
}
process.stdout.write(precomputed);
return true;
};
if (!isHelpFastPathDisabled() && (await tryOutputBareRootHelp())) {
// OK
} else if (!isHelpFastPathDisabled() && tryOutputBrowserHelp()) {
// OK
} else {
await installProcessWarningFilter();