{"schema_version":"onlylabs.public_signal.v1","title":"Microsoft Repo: microsoft/roosterjs","description":"Microsoft repo signal with public source context, captured evidence pages, related signals, and data-business radar classification.","url":"https://onlylabs.fyi/signals/d0ea0d62-34a7-4044-981c-f1e4f2cbd13a","json_url":"https://onlylabs.fyi/signals/d0ea0d62-34a7-4044-981c-f1e4f2cbd13a/signal.json","generated_at":"2026-06-26T23:24:40.555Z","evidence_latest_fetched_at":"2026-06-17T07:02:53.598093+00:00","signal_first_seen_at":"2026-06-17T07:01:25.504128+00:00","org":{"slug":"microsoft","name":"Microsoft","category":"frontier-lab","category_label":"Frontier lab","dossier_url":"https://onlylabs.fyi/labs/microsoft","dossier_json_url":"https://onlylabs.fyi/labs/microsoft/dossier.json"},"related_urls":{"signal":"https://onlylabs.fyi/signals/d0ea0d62-34a7-4044-981c-f1e4f2cbd13a","signal_json":"https://onlylabs.fyi/signals/d0ea0d62-34a7-4044-981c-f1e4f2cbd13a/signal.json","source":"https://github.com/microsoft/roosterjs","lab_dossier":"https://onlylabs.fyi/labs/microsoft","lab_dossier_json":"https://onlylabs.fyi/labs/microsoft/dossier.json","analysis":"https://onlylabs.fyi/analysis/microsoft","analysis_json":"https://onlylabs.fyi/analysis/microsoft/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/microsoft/evidence.json","category":"https://onlylabs.fyi/frontier","category_json":"https://onlylabs.fyi/frontier.json","category_feed":"https://onlylabs.fyi/frontier/feed.xml","category_signals_json":"https://onlylabs.fyi/signals.json","topic":null,"topic_signals_json":null,"topic_feed":null,"data_business":null},"answer_pack":{"answer":"Microsoft published microsoft/roosterjs (TypeScript). 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organization build priorities early, especially around internal tooling, eval infrastructure, data systems, deployment, and agent workflows.","required_sources":[{"label":"signal_json","url":"https://onlylabs.fyi/signals/d0ea0d62-34a7-4044-981c-f1e4f2cbd13a/signal.json","required":true},{"label":"source","url":"https://github.com/microsoft/roosterjs","required":true},{"label":"dossier_json","url":"https://onlylabs.fyi/labs/microsoft/dossier.json","required":true},{"label":"analysis_evidence_json","url":"https://onlylabs.fyi/analysis/microsoft/evidence.json","required":true},{"label":"topic_signals_json","url":null,"required":false},{"label":"data_radar_json","url":null,"required":false}],"expected_output":["one-paragraph source-grounded interpretation","category-specific implication","confidence and missing evidence","recommended next source to inspect"],"prompt_seed":"Using only the linked onlylabs JSON, captured source context, and cited evidence, analyze Microsoft's repo signal \"microsoft/roosterjs\" for frontier lab strategy."},"semantic_triples":[{"subject":"Microsoft","predicate":"published repo","object":"microsoft/roosterjs","text":"Microsoft published repo microsoft/roosterjs."},{"subject":"microsoft/roosterjs","predicate":"is classified as","object":"repo signal","text":"microsoft/roosterjs is classified as repo signal."},{"subject":"microsoft/roosterjs","predicate":"belongs to","object":"repos desk","text":"microsoft/roosterjs belongs to repos desk."},{"subject":"microsoft/roosterjs","predicate":"has context","object":"TypeScript","text":"microsoft/roosterjs has context TypeScript."},{"subject":"microsoft/roosterjs","predicate":"has evidence coverage","object":"1 captured evidence page","text":"microsoft/roosterjs has evidence coverage 1 captured evidence page."},{"subject":"microsoft/roosterjs","predicate":"has captured page count","object":"1","text":"microsoft/roosterjs has captured page count 1."},{"subject":"microsoft/roosterjs","predicate":"has 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Microsoft."},{"subject":"microsoft/roosterjs","predicate":"has signal desk","object":"repos","text":"microsoft/roosterjs has signal desk repos."},{"subject":"microsoft/roosterjs","predicate":"has source host","object":"github.com","text":"microsoft/roosterjs has source host github.com."},{"subject":"microsoft/roosterjs","predicate":"has repository","object":"microsoft/roosterjs","text":"microsoft/roosterjs has repository microsoft/roosterjs."},{"subject":"microsoft/roosterjs","predicate":"has language","object":"TypeScript","text":"microsoft/roosterjs has language TypeScript."},{"subject":"microsoft/roosterjs","predicate":"has stars","object":"1,312","text":"microsoft/roosterjs has stars 1,312."},{"subject":"microsoft/roosterjs","predicate":"has notability","object":"Routine repo, not AI-focused, moderate stars","text":"microsoft/roosterjs has notability Routine repo, not AI-focused, moderate stars."},{"subject":"microsoft/roosterjs","predicate":"has watch 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This repository signal exposes tooling, eval, infrastructure, or model-adjacent work before it may appear in a launch post. 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Language: TypeScript License: NOASSERTION Stars: 1312 Forks: 184 Open issues: 56 Created: 2017-07-13T16:39:51Z Pushed: 2026-06-17T06:41:18Z Default branch: master Fork: no Archived: no README: [![Build Status](https://github.com/microsoft/roosterjs/actions/workflows/build-and-deploy.yml/badge.svg)](https://github.com/microsoft/roosterjs/actions/workflows/build-and-deploy.yml) Rooster Rooster is a framework-independent JavaScript rich-text editor neatly nested inside one HTML `` element. Editing operations performed by end users are handled in simple ways to generate the final HTML. Rooster is working on top of a middle layer data structure called \"Content Model\". All format API and editing operation are using this Content Model layer as content format, and finally convert to HTML and show it in editor. To view the demo site, please click the link below: [RoosterJs Demo Site](https://microsoft.github.io/roosterjs/index.html). Upgrade from RoosterJs 8.\\* Please see [here](https://github.com/microsoft/roosterjs/wiki/RoosterJs-9). 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