next
Version:
The React Framework
83 lines (82 loc) • 3.37 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
0 && (module.exports = {
backgroundLogCompilationEvents: null,
msToNs: null
});
function _export(target, all) {
for(var name in all)Object.defineProperty(target, name, {
enumerable: true,
get: all[name]
});
}
_export(exports, {
backgroundLogCompilationEvents: function() {
return backgroundLogCompilationEvents;
},
msToNs: function() {
return msToNs;
}
});
const _interop_require_wildcard = require("@swc/helpers/_/_interop_require_wildcard");
const _log = /*#__PURE__*/ _interop_require_wildcard._(require("../../../build/output/log"));
const _trace = require("../../../trace");
const _trace1 = require("../../../lib/memory/trace");
const MILLISECONDS_IN_NANOSECOND = BigInt(1000000);
function msToNs(ms) {
return BigInt(Math.floor(ms)) * MILLISECONDS_IN_NANOSECOND;
}
function backgroundLogCompilationEvents(project, { eventTypes, signal, parentSpan } = {}) {
const iterator = project.compilationEventsSubscribe(eventTypes);
// Close the iterator as soon as the signal fires so the for-await loop
// exits without waiting for the next compilation event.
signal?.addEventListener('abort', ()=>iterator.return?.(undefined), {
once: true
});
const promise = async function() {
for await (const event of iterator){
// Record TraceEvent compilation events as trace spans in .next/trace.
if (parentSpan && event.typeName === 'TraceEvent' && event.eventJson) {
try {
const data = JSON.parse(event.eventJson);
parentSpan.manualTraceChild(data.name, msToNs(data.startTimeMs), msToNs(data.endTimeMs), Object.fromEntries(data.attributes ?? []));
(0, _trace1.traceMemoryUsage)(data.name, parentSpan);
// We flush after each event to make sure it makes it to disk. These events are rare and
// tend to happen at the very end of a build so to make sure they are logged we need to
// flush.
// NOTE: in a `next build` environment where we are reporting events to the parent thread, this is a no-op.
await (0, _trace.flushAllTraces)();
} catch {}
continue; // don't log these events, they just go to the trace file
}
switch(event.severity){
case 'EVENT':
_log.event(event.message);
break;
case 'TRACE':
_log.trace(event.message);
break;
case 'INFO':
_log.info(event.message);
break;
case 'WARNING':
_log.warn(event.message);
break;
case 'ERROR':
_log.error(event.message);
break;
case 'FATAL':
_log.error(event.message);
break;
default:
break;
}
}
}();
// Prevent unhandled rejection if the subscription errors after the project shuts down.
promise.catch(()=>{});
return promise;
}
//# sourceMappingURL=compilation-events.js.map