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doc: add CTC meeting minutes 2016-06-22
closes #7366 PR-URL: #7390 Reviewed-By: Bradley Farias <bradley.meck@gmail.com> Reviewed-By: Rod Vagg <rod@vagg.org> Reviewed-By: James M Snell <jasnell@gmail.com>
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| # Node Foundation CTC Meeting 2016-06-22 | ||
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| ## Links | ||
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| * **Audio Recording**: TBP | ||
| * **GitHub Issue**: https://github.com/nodejs/node/issues/7366 | ||
| * **Minutes Google Doc**: <https://docs.google.com/document/d/1X9PTcpYgTKJO-PRKOLBrL4fIV-7XDR0x71FAxJWn0II> | ||
| * _Previous Minutes Google Doc: <https://docs.google.com/document/d/1e7JdFHVtMtW9_o0Gi3NNz6g7TK50q4u9LYKFzBeHOQ8>_ | ||
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| ## Present | ||
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| * Bradley Meck @bmeck (observer/GoDaddy/TC39) | ||
| * Chris Dickinson @chrisdickinson (CTC) | ||
| * Evan Lucas @evanlucas (CTC) | ||
| * James M Snell @jasnell (CTC) | ||
| * John-David Dalton @jdalton (observer/Lodash/Microsoft) | ||
| * Yuval Brik @jhamhader (observer) | ||
| * Josh Gavant @joshgav (observer/Microsoft) | ||
| * Michael Dawson @mhdawson (CTC) | ||
| * Brian White @mscdex (CTC) | ||
| * Ali Ijaz Sheikh @ofrobots (CTC) | ||
| * Shigeki Ohtsu @shigeki (CTC) | ||
| * Steven R. Loomis @srl295 (observer/IBM/ICU) | ||
| * Trevor Norris @trevnorris (CTC) | ||
| * Rich Trott @Trott (CTC) | ||
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| ## Agenda | ||
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| Extracted from **ctc-agenda** labelled issues and pull requests from the **nodejs org** prior to the meeting. | ||
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| ### nodejs/node | ||
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| * Node 6 fs.realpath behavior changes [#7175](https://github.com/nodejs/node/issues/7175) | ||
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| ## Standup | ||
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| * Bradley Meck @bmeck (observer/GoDaddy/TC39) | ||
| * Need for APM / JIT Cache hooks investigation | ||
| * Investigation into VM support for V8 and ES Modules | ||
| * Chris Dickinson @chrisdickinson (CTC) | ||
| * Keeping track of ES Modules proposals | ||
| * tooling gn to be npm installable | ||
| * Evan Lucas @evanlucas (CTC) | ||
| * working on security fixes | ||
| * looking for ways to streamline landing commits | ||
| * James M Snell @jasnell (CTC) | ||
| * Vacation last week (worked on an experimental http/2 impl) | ||
| * Working on WHATWG URL implementation | ||
| * Various other performance related and doc PRs | ||
| * And a heads up.. Will be on vacation again the 2nd and 3rd weeks of July. | ||
| * John-David Dalton @jdalton (observer/Lodash/Microsoft) | ||
| * Retooled proposal to simplify it and make it more generic so it will work with things other than just script and module | ||
| * Babel now supports export {} and therefore supports Unambiguous Modules proposal | ||
| * Pinged some v8 devs to ask about impact there | ||
| * Met with TypeScript folks too to discuss things that are a bit out of the scope of Unambiguous JavaScript but still modules | ||
| * Initial round of feedback on Unambiguous JavaScript. Will be in JavaScript Weekly tomorrow. | ||
| * Josh Gavant @joshgav (observer/Microsoft) | ||
| * hacking on inspector and tracing stuff | ||
| * es6 modules a bit | ||
| * monitoring issues, PRs, etc. | ||
| * Michael Dawson @mhdawson (CTC) | ||
| * Chasing PPC machine issues | ||
| * Chasing new AIX machines (expect this month) | ||
| * Contributing to ABI stable module API PoC (NaN examples 1-8 now work) | ||
| * Misc reviews/commenting | ||
| * misc PRs/lands | ||
| * Keeping up with issues | ||
| * Brian White @mscdex (CTC) | ||
| * Reviewing PRs/issues | ||
| * Shigeki Ohtsu @shigeki (CTC) | ||
| * Reviewing just one PR for root cert update. | ||
| * Steven R. Loomis @srl295 (observer/IBM/ICU) | ||
| * helping @jasnell (a little) with https://github.com/nodejs/node/pull/7355 | ||
| * Trevor Norris @trevnorris (CTC) | ||
| * Additional work on the AsyncWrap EP | ||
| * Misc PR reviews | ||
| * Rich Trott @Trott (CTC) | ||
| * CO: Continuous Onboarding (welcome @RReverser!) | ||
| * CI: Investigating and fixing flaky tests as time allows | ||
| * Ali Ijaz Sheikh @ofrobots(CTC) | ||
| * Working on FFI, and other miscellaneous things. | ||
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| ## Minutes | ||
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| ### Review of last meeting | ||
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| * url: return valid file: urls fom url.format() [#7234](https://github.com/nodejs/node/pull/7234) | ||
| * http: don't inherit from Object.prototype [#6102](https://github.com/nodejs/node/pull/6102) | ||
| * ES6 Modules | ||
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| ### fs.realpath | ||
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| - https://github.com/nodejs/node/issues/7175 | ||
| - https://github.com/nodejs/CTC/issues/9 | ||
| - https://github.com/nodejs/node/issues/7192 | ||
| - https://github.com/nodejs/node/issues/7044 | ||
| - https://github.com/nodejs/node/issues/7294 | ||
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| When we made changes to rely on libuv realpath it was a semver-major change which introduced new errors and removed `cache` argument. This broke some ecosystem modules, notably `glob`. Also broke some path-related stuff in Windows. | ||
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| We chose libuv realpath because it’s much more performant. | ||
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| Options: | ||
| - Revert to old behavior. Would lose perf gains. Would be semver-major change. | ||
| - Add new method e.g. `realpath2` which uses old behavior. | ||
| - **Keep new behavior and add logic in Node to handle new/unexpected errors.** | ||
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| @jasnell - We did a semver-major revert for the symlink issue.<br /> | ||
| @trevnorris - No need to revert, just handle the errors.<br /> | ||
| @jasnell - Do we really know what the errors are so we can be sure we’re handling all of them?<br /> | ||
| @trevnorris - we can compare to old impl.<br /> | ||
| @jasnell - Add an option to the options object to suppress errors, turn on by default.<br /> | ||
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| **@trevnorris will work on option 3.** | ||
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| Post-mortem: https://github.com/nodejs/CTC/issues/9 | ||
| - Postpone till Rod is present. | ||
| - @jasnell - We didn’t follow typical deprecation path for `cache` parameter change. | ||
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| ### ES6 modules | ||
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| - https://github.com/bmeck/UnambiguousJavaScriptGrammar | ||
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| - Any code with `import` or `export` is a module, otherwise a script. | ||
| - `modules.root` aspect removed, so “fat packages” (i.e. incl. both ES6 and CJS) are not addressed. Recommendation is to use one or the other and transpile as needed. Or discuss `modules.root` separately. | ||
| - Users can explicitly specify module goal in package.json. This way even if dev removes all `import/export` from their code it’s still treated as a module. | ||
| - TC39 could provide a “recommendation” or endorsement supporting this. They may suggest a spec extension. | ||
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| @bradleymeck - still need modules.root for fat packages. | ||
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| What about bytecode caching? Provide hooks to allow user to handle as desired. That means caching is in userland. Might split this into separate proposal. | ||
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| @trevnorris analyzed perf hit of double parsing and found max 25% perf hit. | ||
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| In-band detection (from the code itself) is preferable to out-of-band detections (e.g. package.json, file extension). | ||
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| CJS and ES6 semantic interoperability: Bradley is working on this, working with WHATWG Loader spec and V8. | ||
| - `this` value | ||
| - live bindings for getters (get updated values) (?) | ||
| - immutability - hooks for APM providers to wrap original functions. To be handled by WHATWG Loader spec. | ||
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| **@jdalton - How do we finalize consensus on this?** | ||
| - **PR to change [node-eps:/002-es6-modules.md](https://github.com/nodejs/node-eps/blob/master/002-es6-modules.md)** | ||
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| ### Q/A on public fora | ||
| None. | ||
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| ### Next Meeting | ||
| 2016-06-29 |