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node_modules/next/dist/shared/lib/turbopack/compilation-events.js

@@ -0,0 +1,83 @@
+"use strict";
+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