{"id":19218586,"url":"https://github.com/sitespeedio/chrome-trace","last_synced_at":"2025-05-13T00:17:16.214Z","repository":{"id":142003391,"uuid":"128623512","full_name":"sitespeedio/chrome-trace","owner":"sitespeedio","description":"Process Chrome trace logs in Node.","archived":false,"fork":false,"pushed_at":"2023-03-01T19:49:29.000Z","size":1473,"stargazers_count":15,"open_issues_count":5,"forks_count":2,"subscribers_count":4,"default_branch":"main","last_synced_at":"2025-05-13T00:17:02.443Z","etag":null,"topics":["chrome","devtools","tracelog","webperf"],"latest_commit_sha":null,"homepage":"","language":"JavaScript","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/sitespeedio.png","metadata":{"files":{"readme":"README.md","changelog":"CHANGELOG.md","contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null}},"created_at":"2018-04-08T09:22:07.000Z","updated_at":"2024-03-27T03:14:50.000Z","dependencies_parsed_at":null,"dependency_job_id":"cb2710cc-f50d-46bc-95e7-1437c8f8b009","html_url":"https://github.com/sitespeedio/chrome-trace","commit_stats":{"total_commits":43,"total_committers":4,"mean_commits":10.75,"dds":0.4418604651162791,"last_synced_commit":"374cdea9a98870c30d2cd333ad6ce7d044443859"},"previous_names":[],"tags_count":6,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/sitespeedio%2Fchrome-trace","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/sitespeedio%2Fchrome-trace/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/sitespeedio%2Fchrome-trace/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/sitespeedio%2Fchrome-trace/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/sitespeedio","download_url":"https://codeload.github.com/sitespeedio/chrome-trace/tar.gz/refs/heads/main","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":253843225,"owners_count":21972874,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["chrome","devtools","tracelog","webperf"],"created_at":"2024-11-09T14:27:17.397Z","updated_at":"2025-05-13T00:17:16.187Z","avatar_url":"https://github.com/sitespeedio.png","language":"JavaScript","readme":"# Chrome-trace\n\n[![Build status][travis-image]][travis-url]\n\nAnalyze tracelogs from Chrome, from the command line or as a node.js library.\n\n\n## How to use\n\n### Command line\nWith node.js \u003e= 8.9 and npm \u003e= 5.3, use npx to run chrome-trace.\n```\nnpx chrome-trace \u003ctrace file\u003e\n```\n\n### node.js\nInstall chrome-trace as a dependency.\n```sh\nnpm i chrome-trace \n```\nPass a stream or a parsed JSON object to chrome-trace.\n```javascript\nconst { parseStream } = require('chrome-trace');\n\nconst stream = getReadableStream(); // e.g. stream from file or http response\nconst parsedTrace = parseStream(stream);\n\nconst mainThreadId = parsedTrace.mainThread;\nconst categories = parsedTrace.eventCategoryTime[mainThreadId];\nconsole.log(categories);\n```\n\n## Development\n\n* The format for trace-log events is described [here][event-format].\n* A [python parser][trace-parser] for tracelogs is available from WPO Foundation.\n* Chrome-trace uses [Ava] for testing. Please run ```npm run test``` before submitting PRs.\n* Code formatting by [Prettier]. Please run ```npm run lint:fix``` before submitting PRs.\n* Optional verbose logging using the [debug] module.\n* Additional useful npm scripts are:\n   * ```test:verbose``` for additional debug info\n   * ```test:watch``` to rerun tests as changes are made\n   * ```test:watch:verbose``` automatic testing, with debug output\n\n[travis-image]: https://img.shields.io/travis/sitespeedio/chrome-trace.svg?style=flat-square\n[travis-url]: https://travis-ci.org/sitespeedio/chrome-trace\n[Prettier]: https://prettier.io\n[Ava]: https://ava.li\n[debug]: https://github.com/visionmedia/debug\n[event-format]: https://docs.google.com/document/d/1CvAClvFfyA5R-PhYUmn5OOQtYMH4h6I0nSsKchNAySU\n[trace-parser]: https://github.com/WPO-Foundation/trace-parser\n","funding_links":[],"categories":[],"sub_categories":[],"project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fsitespeedio%2Fchrome-trace","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fsitespeedio%2Fchrome-trace","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fsitespeedio%2Fchrome-trace/lists"}