larry babby and threejs for glsl

webGl/my-threejs-test/node_modules/@parcel/reporter-tracer/lib/TracerReporter.js

@@ -0,0 +1,112 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+function _assert() {
+  const data = _interopRequireDefault(require("assert"));
+  _assert = function () {
+    return data;
+  };
+  return data;
+}
+function _nullthrows() {
+  const data = _interopRequireDefault(require("nullthrows"));
+  _nullthrows = function () {
+    return data;
+  };
+  return data;
+}
+function _path() {
+  const data = _interopRequireDefault(require("path"));
+  _path = function () {
+    return data;
+  };
+  return data;
+}
+function _plugin() {
+  const data = require("@parcel/plugin");
+  _plugin = function () {
+    return data;
+  };
+  return data;
+}
+function _chromeTraceEvent() {
+  const data = require("chrome-trace-event");
+  _chromeTraceEvent = function () {
+    return data;
+  };
+  return data;
+}
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+// We need to maintain some state here to ensure we write to the same output, there should only be one
+// instance of this reporter (this gets asserted below)
+let tracer;
+let writeStream = null;
+function millisecondsToMicroseconds(milliseconds) {
+  return Math.floor(milliseconds * 1000);
+}
+
+// TODO: extract this to utils as it's also used in packages/core/workers/src/WorkerFarm.js
+function getTimeId() {
+  let now = new Date();
+  return String(now.getFullYear()) + String(now.getMonth() + 1).padStart(2, '0') + String(now.getDate()).padStart(2, '0') + '-' + String(now.getHours()).padStart(2, '0') + String(now.getMinutes()).padStart(2, '0') + String(now.getSeconds()).padStart(2, '0');
+}
+var _default = exports.default = new (_plugin().Reporter)({
+  report({
+    event,
+    options,
+    logger
+  }) {
+    let filename;
+    let filePath;
+    switch (event.type) {
+      case 'buildStart':
+        (0, _assert().default)(tracer == null, 'Tracer multiple initialisation');
+        tracer = new (_chromeTraceEvent().Tracer)();
+        filename = `parcel-trace-${getTimeId()}.json`;
+        filePath = _path().default.join(options.projectRoot, filename);
+        (0, _assert().default)(writeStream == null, 'Trace write stream multiple initialisation');
+        logger.info({
+          message: `Writing trace to ${filename}. See https://parceljs.org/features/profiling/#analysing-traces for more information on working with traces.`
+        });
+        writeStream = options.outputFS.createWriteStream(filePath);
+        (0, _nullthrows().default)(tracer).pipe((0, _nullthrows().default)(writeStream));
+        break;
+      case 'trace':
+        // Due to potential race conditions at the end of the build, we ignore any trace events that occur
+        // after we've closed the write stream.
+        if (tracer === null) return;
+        tracer.completeEvent({
+          name: event.name,
+          cat: event.categories,
+          args: event.args,
+          ts: millisecondsToMicroseconds(event.ts),
+          dur: millisecondsToMicroseconds(event.duration),
+          tid: event.tid,
+          pid: event.pid
+        });
+        break;
+      case 'buildSuccess':
+      case 'buildFailure':
+        (0, _nullthrows().default)(tracer).flush();
+        // We explicitly trigger `end` on the writeStream for the trace, then we need to wait for
+        // the `close` event before resolving the promise this report function returns to ensure
+        // that the file has been properly closed and moved from it's temp location before Parcel
+        // shuts down.
+        return new Promise((resolve, reject) => {
+          (0, _nullthrows().default)(writeStream).once('close', err => {
+            writeStream = null;
+            tracer = null;
+            if (err) {
+              reject(err);
+            } else {
+              resolve();
+            }
+          });
+          (0, _nullthrows().default)(writeStream).end();
+        });
+    }
+  }
+});