nativescript
Version:
Command-line interface for building NativeScript projects
101 lines • 4.58 kB
JavaScript
;
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.TimelineProfilerService = void 0;
const decorators_1 = require("../common/decorators");
const yok_1 = require("../common/yok");
const path = require("path");
const nativescript_cli_1 = require("../nativescript-cli");
const color_1 = require("../color");
const TIMELINE_LOG_RE = /Timeline:\s*(\d*.?\d*ms:\s*)?([^\:]*\:)?(.*)\((\d*.?\d*)ms\.?\s*-\s*(\d*.\d*)ms\.?\)/;
var ChromeTraceEventPhase;
(function (ChromeTraceEventPhase) {
ChromeTraceEventPhase["BEGIN"] = "B";
ChromeTraceEventPhase["END"] = "E";
ChromeTraceEventPhase["INSTANT"] = "i";
ChromeTraceEventPhase["COMPLETE"] = "X";
})(ChromeTraceEventPhase || (ChromeTraceEventPhase = {}));
class TimelineProfilerService {
constructor($projectConfigService, $fs, $logger) {
this.$projectConfigService = $projectConfigService;
this.$fs = $fs;
this.$logger = $logger;
this.timelines = new Map();
this.attachedExitHandler = false;
}
attachExitHanlder() {
if (!this.attachedExitHandler) {
this.$logger.info('attached "SIGINT" handler to write timeline data.');
(0, nativescript_cli_1.originalProcessOn)("SIGINT", this.writeTimelines.bind(this));
this.attachedExitHandler = true;
}
}
processLogData(data, deviceIdentifier) {
if (!this.isEnabled()) {
return;
}
this.attachExitHanlder();
if (!this.timelines.has(deviceIdentifier)) {
this.timelines.set(deviceIdentifier, {
startPoint: null,
timeline: [],
});
}
const deviceTimeline = this.timelines.get(deviceIdentifier);
data.split("\n").forEach((line) => {
var _a;
const trace = this.toTrace(line.trim());
if (trace) {
(_a = deviceTimeline.startPoint) !== null && _a !== void 0 ? _a : (deviceTimeline.startPoint = trace.from);
deviceTimeline.timeline.push(trace);
}
});
}
isEnabled() {
return this.$projectConfigService.getValue("profiling") === "timeline";
}
toTrace(text) {
var _a, _b;
const result = text.match(TIMELINE_LOG_RE);
if (!result) {
return;
}
const trace = {
domain: (_a = result[2]) === null || _a === void 0 ? void 0 : _a.trim().replace(":", ""),
name: result[3].trim(),
from: parseFloat(result[4]),
to: parseFloat(result[5]),
};
return {
pid: 1,
tid: 1,
ts: trace.from * 1000,
dur: (trace.to - trace.from) * 1000,
name: trace.name,
cat: (_b = trace.domain) !== null && _b !== void 0 ? _b : "default",
ph: ChromeTraceEventPhase.COMPLETE,
};
}
writeTimelines() {
this.$logger.info("\n\nWriting timeline data to json...");
this.timelines.forEach((deviceTimeline, deviceIdentifier) => {
const deviceTimelineFileName = `timeline-${deviceIdentifier}.json`;
this.$fs.writeJson(path.resolve(process.cwd(), deviceTimelineFileName), deviceTimeline.timeline);
this.$logger.info(`Timeline data for device ${color_1.color.cyan(deviceIdentifier)} written to ${color_1.color.green(deviceTimelineFileName)}`);
});
this.$logger.info(color_1.color.green("\n\nTo view the timeline data, open the following URL in Chrome, and load the json file:"));
this.$logger.info(color_1.color.green("devtools://devtools/bundled/inspector.html?panel=timeline\n\n"));
process.exit();
}
}
exports.TimelineProfilerService = TimelineProfilerService;
__decorate([
(0, decorators_1.cache)()
], TimelineProfilerService.prototype, "isEnabled", null);
yok_1.injector.register("timelineProfilerService", TimelineProfilerService);
//# sourceMappingURL=timeline-profiler-service.js.map