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npm3 ❓
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Daijiro Wachi
August 31, 2015
Programming
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npm3 ❓
Daijiro Wachi
August 31, 2015
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Transcript
❓ @watilde 2015/08/31 - NodeֶԂ 17࣌ݶ
whoami • Daijiro Wachi - @watilde • Front/Back End Engineer
• interested in npm / V8 / flyjs
beta released at 2015-06-25
Table of contents • Why npm@3? • notes • breaking
changes • new features • v3.1 - v3.3: Minor updates
Why npm@3? • converting the CLI to an API •
dependency tree realization • improved support for Windows paths • better error messages & reporting • front-end tooling support • nerf peerDependencies • better CLI search
converting the CLI to an API • ػೳతཁ͕ࡍݶͳ͘ಧ͕͘ɺnpmطʹߴػೳ • APIͱͯ͠ఏڙͰ͖Εɺࣗ༝ʹΧελϚΠζՄೳ
• ͓·͚ʹɺnpmͷίʔυͷςετ͕͘͢͠ͳΔ • npm cache & npm-registry-clientͷ࠶ઃܭ • cache.jsͷίʔυɺnpmඇґଘɺmulti-registryαϙʔτ • ΦϑϥΠϯϞʔυͷ࣮Λ༰қʹ͢Δ
dependency tree realization • ਖ਼֬ͳΠϯετʔϧͷॱংΛอূ͢Δ 1. ΠϯετʔϧࡁΈͷpackageΛ֬ೝ 2. ϩʔΧϧͷnode_modulesͷޮతͳ࠷ऴΠϝʔδߏங 3.
࣮ࡍʹ࣮ߦ͠ͳ͖Ό͍͚ͳ͍ΞΫγϣϯͷϦετߏங 4. ΠϯετʔϧΛ࣮ߦ • npm i -g npm͕ࣦഊͨ͠ࡍʹ͕ࣗফ͑ΔࣄނΛ͙ • ؆୯ͦ͏ʹݟ͑ͯɺ࣮ࡍͷϓϩηεඇৗʹෳࡶ See also: https://docs.npmjs.com/cli/install#algorithm
improved support for Windows paths • front-endπʔϧͷීٴʹΑΓɺWindowsͰnpm͕α ϙʔτ͖͠Ε͍ͯͳ͍γʔϯ͕සൃ࢝͠Ίͨ • plugin-basedͳπʔϧͷଟ͘ɺඇৗʹ͍ϑΝΠϧ
ύεΛཁٻ͢ΔΑ͏ʹͳ͖ͬͯͨ • Windows Ͱɺ୯Ұύε࠷େ 260 จࣈ·Ͱ • npm dedupeͰnode_modulesͷFlatԽΛਪਐ͖ͯͨ͠ ͕ɺ͜ͷͷղܾͷͨΊʹେʹมߋ͕ඞཁ
better error messages & reporting • ࠷ॳͷࠒͷϢʔβʔͰ͋ΔServer side Node.js DeveloperɺෳࡶͳUnix
Error messageΛใࠂ • front-end toolΛ୲͏Α͏ʹͳ͖ͬͯͨͷͰɺͬͱ ͔Γ͍͢ΤϥʔΛදࣔͰ͖ΔΑ͏ʹվળ • 1000 issues͕OPENঢ়ଶʹ͋ΓɺreportίϚϯυͷ Α͏ͳܗͰΤϥʔใࠂͷ؆қԽɺ࠷దԽɺޮ্
front-end tooling support • npmͷར༻ྫͰɺ࠷͍ͯ͘͠Δͷ͏ͪͷҰͭ • ଟछଟ༷ͳϢʔεέʔεΛαϙʔτ͢ΔγϯϓϧͳαϒηοτΛ ௐࠪ͢Δ • Ember/Angular/BrowserifyͳͲͷ։ൃνʔϜͱٞ
• ۩ମతʹෳࡶͳ͕ൃੜ͍ͯ͠ΔΘ͚Ͱͳͦ͞͏ͰɺԿ͔ ͕͋Εղܾ͢Δͱ͍͏ํ • ecosystemͱ͍͏ɺpluginͷݕࡧΛ༰қʹ͢Δregistryଆͷ৽ػೳ ͳͲ͕༧ఆ͞Ε͍ͯΔ
nerf peerDependencies • require()͢Δpackagedependency • testίʔυͷதͰrequire͢Δpackage devDependency • peerDependenciesࠞཚͷݪҼʹ •
See also: https://github.com/npm/npm/issues/5080
better CLI search • ͍·ͷnpm searchɺ͏গ͠վળͷ༨͕͋Δ • npmjs.com Ͱվળ͕ྃͨ͠Βɺ CLIʹػೳΛ࣋ͬͯ͘Δ
• Ecosystem, CollectionsͳͲ
notes • npm install -g npm npm@3͕betaͳ͏ͪɺnpm@2ͷ࠷৽͕ೖΔ • npm install
-g npm@3 npm@3ͷ࠷৽͕ೖΔ • ҆ఆੑͱޙํޓͷͳ͍มߋΛίϛϡχςΟʹೝΊ ͯΒ͏·Ͱϕʔλͷ··
• peerDependencies • engineStrict • npm view breaking changes
peerDependencies • Πϯετʔϧ͞Εͳ͘ͳΔ • Πϯετʔϧ͞Ε͍ͯͳ͍ͱɺwarning͕ग़Δ
engineStrict • ͋·ΓΘΕ͍ͯͳ͔ͬͨ • ܯࠂͷදࣔͷΈͱͳͬͨ • npm config set engine-strict
trueͰɺengines field ΛݩʹengineStrictͷڍಈΛ࠶ݱՄೳ
npm view • Objectͷ͕1ͭͷͱ͖ɺArrayΛฦ͢Α͏ʹͳͬ ͨ • e.g. Before: versions: '0.0.1'
After: versions: [ '0.0.1' ]
• Flat, flat, flat! • The multi-stage installer • Install:
it works different! • Shrinkwraps: they are a-changin'! • The Age of Progress (Bars)! new features
Flat, flat, flat! • node_modulesҎԼ͕ɺՄೳͳݶΓflatʹͳͬͨ • node_modulesҎԼʹɺωετ͞Εͣʹinstall͞Ε Δ • ಉ໊͡લͷҧ͏versionͷdependencyʹґଘͨ͠
module͕͋Δͱ͖ɺͦΕͧΕͷmoduleͷԼʹωε τ͞Εͯinstall͞ΕΔ
The multi-stage installer • dependency tree realization • read =>
eval => apply => display • Detail: https://github.com/npm/npm/issues/ 5919#issuecomment-51858095
Install: it works different! • npm ls, npm outdatedʹӨڹ •
node_modules͕flatʹͳͬͨҰํͰɺtreeਖ਼֬ʹ ࢠؔΛදࣔ͢Δ
Shrinkwraps: they are a-changin'! • ॳճͷnpm-shrinkwrap.jsonແ͠ͷinstall ೋճͷnpm-shrinkwrap.json༗ΓͰinstall ͜ΕΒႈͰ͋Δ͖ • npm-shrinkwrap.json͕͋Δঢ়ଶͰpackage.jsonΛ
ߋ৽ͨ͠߹ɺө͞ΕΔ͖(kinda `—save` opt) • node_modules͕flatʹͳͬͨͷͰɺshrinkwrapʹ ө
The Age of Progress (Bars)! http://blog.npmjs.org/post/110290693555/npm-weekly-4
Flat, flat, flat! http://blog.npmjs.org/post/111968476155/npm-weekly-6
• npm ping • npm install —no-progress • npm team
• npm access • npm install —only=dev v3.1 - v3.3: Minor updates These features are from v2.13.0 and v2.14.0
npm ping SYNOPSIS npm ping [--registry <registry>]
npm ping • registry͕ਖ਼ৗ͔pingΛ࣮ߦͯ͘͠ΕΔ • API༻్ɺΦϑϥΠϯରԠͷੴͩͱࢥ͍·͢
npm team SYNOPSIS npm team create <scope:team> npm team destroy
<scope:team> npm team add <scope:team> <user> npm team rm <scope:team> <user> npm team ls <scope>|<scope:team> npm team edit <scope:team>
npm team • scoped packageΛɺGitHubͷΑ͏ʹorganizer୯Ґ ͰཧͰ͖ΔΑ͏ʹͳΔɻΒ͍͠ • Կ͔ࢼͨ͠ΜͰ͕͢·ͩಈ͍ͯͳ͍ͷͰௐࠪத
• http://blog.npmjs.org/post/122450408965/npm-weekly-20-npm-3-is-here-ish • http://blog.npmjs.org/post/91303926460/npm-cli-roadmap-a-periodic-update • http://blog.npmjs.org/post/94662089625/the-future-of-the-npm-website-lets-map-this • http://blog.npmjs.org/post/110290693555/npm-weekly-4 • http://blog.npmjs.org/post/111968476155/npm-weekly-6
• https://github.com/npm/npm/blob/master/CHANGELOG.md • https://github.com/npm/npm/issues/5919#issuecomment-51858095 • https://github.com/npm/npm/issues/5080 • https://twitter.com/othiym23 • http://www.infoq.com/news/2015/06/npm • https://github.com/npm/npm/releases/tag/v2.13.0 • https://github.com/npm/npm/releases/tag/v2.14.0 • http://windows.microsoft.com/ja-jp/windows/file-names-extensions-faq#1TC=windows-7 • https://github.com/npm/npm/search?q=enoent&ref=cmdform&type=Issues Reference links
Happy Hacking!