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フロントエンドに秩序を取り戻す方法
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Amagi
November 07, 2015
Technology
95
42k
フロントエンドに秩序を取り戻す方法
東京Node学園祭2015
Amagi
November 07, 2015
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Transcript
RESTORE THE ORDER ϑϩϯτΤϯυʹடংΛऔΓ͢ํ๏ @amagitakayosi
None
ૣޱͰ͍͖·͢
ࠓ͞ͳ͍͜ͱ
࠷৽ϥΠϒϥϦͷ͍ํ ࠷ߴʹඒ͍͠ઃܭ /PEFKTͷ
ࠓ͢͜ͱ
ϦϑΝΫλϦϯά ίʔυنͱΞʔΩςΫνϟ ϑϨʔϜϫʔΫಋೖ ςετڥߏங
εϐϦοτ
@amagitakayosi
None
IUUQCMPHIBUFOBOFKQSFHJTUFS !!!!!!!!!! ࠓ͙͢ొʂ !!!!!!!!!!! !!!!!!!!!! !!!!!!!!!! !!!!!!!!!!! !!!!!!!!!!
None
͜͜ʹ4पͷਤΛషΔ 2015-11-07 ͯͳϒϩά प
None
None
None
͜ͷτʔΫͰ ฤूը໘ϦχϡʔΞϧʹ͏ +4େվͷ༰Λ հ͠·͢ʂʂʂʂ
ͯͳϒϩάͷ ઃܭࢥ
first commitͷը૾ΛషΔ ։ൃ։࢝
ͳΔ͘ബ͘ w 1FSM w 1MBDLϕʔε03.ͳ͠ w +4 w 7BOJMMB+4
http://www.slideshare.net/cho45/yapc-asia-2011 ࢀߟݩઃܭऀͷεϥΠυ
https://speakerdeck.com/hitode909/perlfalseshang- nimosan-nian-zututoiketerusabisuwozuo-risok-keruji-shu ࢀߟαʔόαΠυઃܭͷ
+
+ ͦͯ͠4͕ܦաͨ͠……
ൃੜ
1 ڊେͳ ϑΝΠϧ
2 ౷Ұײͷͳ͍ ελΠϧ
3 ςετෆՄ
ಓʹվળ ͍ͯͧ͘͠ ʂʂʂʂʂ
SPLIT THE CODE Mission 1:
ͯͳϒϩάͷJS w 5PUBMMJOFT ࣌ w ͦΜͳʹڊେͰͳ͍͕ʜʜ
admin-user-blog-edit.js ߦ ࣌
None
ฤूը໘ͷJS w GPSNΛཧ͢ΔΫϥε w ه๏͝ͱͷػೳ 8:4*8:( .BSLEPXO ͯͳه๏ w
αΠυόʔͷίϯϙʔωϯτ
ैདྷͷJSׂ w ໊લۭؒͰϞδϡʔϧԽ w ϑΝΠϧΛDPODBUͯ͠৴
໊લۭؒ in JS w ϞδϡʔϧΛ0CKFDUʹ·ͱΊΔ w άϩʔόϧมͷཞ༻Λආ͚Δ ݹͷϕετϓϥΫςΟε
໊લۭؒΛ༻ҙͯ͠
໊લۭؒʹಥͬࠐΜͰ
JOEFYKT 'PPKT #BSKT
ฤूը໘ͷ+4 ׂ͍ͨ͠ʜʜ
ൃੜ
ґଘؔΉ͔͍ͣ͠ w DPODBUͷॱ൪ม͑ͨΒյΕΔ w ม໊Λม͑ΔͱյΕΔ
Foo͕ະఆٛͩͱ Τϥʔ
JOEFYKT 'PPKT #BSKT
JOEFYKT #BSKT 'PPKT
JOEFYKT #BSKT 'PPKT
ະఆٛͷมΛݕग़Ͱ͖ͳ͍
ະఆٛͷglobalม lintͰνΣοΫͰ͖Δ͚Ͳ…… ະఆٛͷมΛݕग़Ͱ͖ͳ͍
໊લۭؒͷத lintͰνΣοΫͰ͖ͳ͍ʂ ະఆٛͷมΛݕग़Ͱ͖ͳ͍
࣮ߦ͢Δ·Ͱ όά͕Θ͔Βͳ͍ʂ
DPODBUͭΒ͍ʜʜ
None
browserify w $PNNPO+4ܗࣜͰϞδϡʔϧΛཧ w ڝ߹ͱൺɺγϯϓϧʹ͑Δ w 3FRVJSF+4ॻ͖ํ͕໘ w 8FCQBDLେ؋ڊ๒ओٛ
ґଘཧָ͕ʹͳΔ w DPODBUॱΛߟ͑ͳ͍Ͱྑ͍ w ଘࡏ͠ͳ͍ϑΝΠϧΛϩʔυ͢Δͱ Τϥʔు͍ͯ͘ΕΔ
Ϗϧυ࣌ʹΤϥʔग़ͯ͘͠ΕΔʂ
browserifyಋೖ w ಋೖ։࢝ w গͣͭ͠$PNNPO+4ʹม w Ϗϧυͨ͠+4Λ طଘͷ+4ͱDPODBU
$PNNPO+4ܗࣜʹ ॻ͖ͯ͠
໊લۭؒʹͭͬ͜ΜͰ
ઓུ Ϗϧυͨ͠+4Λ ͜Ε·Ͱͷ+4ͱDPODBU Ϗϧυͨ͠+4 ͜Ε·Ͱͷ+4
མͱ݀͠
ڞ௨Խਖ਼͘͠ߦ͏
ڞ௨Խਖ਼͘͠ߦ͏
ڞ௨Խਖ਼͘͠ߦ͏ w ଞͷ໊લۭؒΛࢀরͯ͠Δͱ ׂͮ͠Β͍ w ઌʹϦϑΝΫλϦϯά͢͠
ݱࡏͷঢ়گ
admin-user-blog-edit.js ߦ ߦ
ʙʙ
None
browserifyཧԼͷ ϑΝΠϧ concatͯ͠ΔϑΝΠϧ
browserifyཧԼͷ ϑΝΠϧ concatͯ͠ΔϑΝΠϧ ࡉ͔͘ϞδϡʔϧԽ͢Δͱ ݩϑΝΠϧΑΓଟ͘ͳΔ
None
browserifyཧԼͷ ϑΝΠϧ concatͯ͠ΔϑΝΠϧ ࡉ͔͘ϞδϡʔϧԽ͢Δͱ ݩϑΝΠϧΑΓଟ͘ͳΔ Զୡͷઓ͍ ͜Ε͔Βͩ ʂʂʂʂʂʂʂ
KEEP THE STYLE Mission 2:
ઃܭελΠϧ ίʔσΟϯάελΠϧ
Vanilla Architecture VanillaJSͰͷίϯϙʔωϯτઃܭ
طଘJSͷ w σʔλͱ%0.͕ີ݁߹ w ίϯϙʔωϯτؒͷ࿈ܞ͕Ϝζ͍ w αʔόͱͷ࿈ܞ͕μϧ͍
σʔλͱDOM͕ີ݁߹ w %0.ଐੑʹσʔλΛอଘ w ͋ͪͪ͜Ͱ%0.ૢ࡞ w σʔλؒͷ߹ੑ͕յΕ͍͢
ίϯϙʔωϯτؒͷ࿈ܞ w σʔλϑϩʔʹܾ·Γ͕ͳ͍ w ॥ࢀরͰݺͼ߹ͬͨΓ w ࠷ѱ%0.ΠϕϯτΛ͏
αʔόͱͷ࿈ܞ w )5.-ߏ͔ΒσʔλΛ࡞Δ w +40/ͱ͔Ͱͳ͍ w %#ߋ৽ͷʹαʔόଆͰඳը
None
͜͜ΛΫϦοΫ͢Δͱ %#͕ߋ৽͞Εͯ
αʔόͰ)5.-Λඳը͠ BKBYͰड͚औͬͯ SFQMBDF8JUI ͢Δ
εςʔτϨεͰ ඒ͍͠ઃܭ
+4Ͱඳը͢Ε ຊདྷෆཁ
None
VanillaJSͷ··࠶ઃܭ w σʔλͱ%0.Λ w ػೳຖʹ7JFX.PEFMΛ࡞Δ w ػೳಉ࢜ΠϕϯτͰΓͱΓ
σʔλͱDOMΛ w ॳظԽ࣌ʹσʔλΛશͯ༻ҙ w %0.ૢ࡞ઐ༻ϝιουͰߦ͏
%0.Λ͞ΘΒͣʹ
%0.Λ͞ΘΒͣʹ
ॳظԽ࣌ʹσʔλΛ༻ҙ
None
DOMૢ࡞ઐ༻ϝιουͰ w +4ͰϨϯμϦϯά w σʔλมߋͷʹશ෦࠶ඳը w ߹ੑɺϝϯς͢͠͞Λ༏ઌ w ύϑΥʔϚϯε֎ࢹ
None
ػೳຖʹViewModel w ίϯϙʔωϯτΛͱࢠʹׂ w 4NBSU%VNC$PNQPOFOU
ίϯϙʔωϯτ w σʔλɺϏδωεϩδοΫΛཧ w &WFOU&NJUUFSΛܧঝ w %0.&WFOUΛۃྗ͔ͭΘͳ͍ʂ
ࢠίϯϙʔωϯτ w ͷࢀরΛ࣋ͭ w σʔλͷඳըͱΠϕϯτൃߦͷΈ
ྫ4JEFCBS
None
Sidebar SidebarButtons Config
4JEFCBS #VUUPOT $POpH
4JEFCBS #VUUPOT $POpH ϘλϯΫϦοΫ
4JEFCBS #VUUPOT $POpH ϘλϯΫϦοΫ σʔλมߋ + emit(‘change’)
4JEFCBS #VUUPOT $POpH ϘλϯΫϦοΫ σʔλө σʔλมߋ + emit(‘change’)
ίϯϙʔωϯτؒͷΓͱΓ Fotolife MarkdownEditor
ίϯϙʔωϯτؒͷΓͱΓ w ্Ґͷ7JFX.PEFMΛͭͬͯ͘ ΠϕϯτΛൃੜͤ͞Δ w ·ͨ$window.trigger()
্Ґͷ7JFX.PEFMΛ࡞ Fotolife MarkdownEditor Editor
&EJUPS .BSLEPXO 'PUPMJGF 'PUP-JTU 'PPUFS ϘλϯΫϦοΫ ը૾Λૠೖͯ͘͠Ε ը૾Λૠೖͯ͘͠Ε 5FYU"SFB <img>ૠೖ
நతͳΠϕϯτ໊ʹ͢Δ ' buttonClicked ( insertImage
.BSLEPXO 'PUPMJGF 'PUP-JTU 'PPUFS ϘλϯΫϦοΫ ը૾Λૠೖͯ͘͠Ε ը૾Λૠೖͯ͘͠Ε 5FYU"SFB <img>ૠೖ &EJUPS
&EJUPS .BSLEPXO 'PUPMJGF 'PUP-JTU 'PPUFS ϘλϯΫϦοΫ ը૾Λૠೖͯ͘͠Ε ը૾Λૠೖͯ͘͠Ε 5FYU"SFB <img>ૠೖ
நతͳΠϕϯτ .BSLEPXO 'PUPMJGF ը૾Λૠೖͯ͘͠Ε ը૾Λૠೖͯ͘͠Ε &EJUPS
σʔλͱ%0.ͷ ෆ߹ ى͖ʹ͘͘ͳͬͨʂ
͕
͚ͬ͜͏େม w ઃܭͷ߹ҙͱΔͷ͕େม w %0.ૢ࡞μϧ͍ w ϥΠϒϥϦʹͬͯ΄͍͠
7JFXϑϨʔϜϫʔΫ ͍͍ͨʜʜʂ
WT
Vue.js ✔ݹ͖ྑ͖7JFX.PEFM ✔ຊޠυΩϡϝϯτ ✗͍ΖΜͳॻ͖ํͰ͖Δ
React ✔֮͑Δ͜ͱ͕গͳ͍ ✔ใ͕๛ ✗+49
1ϲ݄΄Ͳٞ w ֶशίετʁ w ඞཁͳ࣌ʹࣺͯΒΕΔ͔ʁ w ৽ػೳΛ྆ํͰ࣮ͨ͠Γ
None
None
ReactΛ࠾༻ w ΑΓγϯϓϧʹॻ͚Δ w 3FBDUˠ7VF؆୯ͦ͏
σβΠφʔ͕৮Εͳ͍ʁ w +49͘Β͍৮ΕΔͣ w $44ͰࣗࡏʹελΠϧͰ͖Δ Α͍ઃܭΛࢦ͢
ಋೖ w +49ͷͨΊʹಋೖͱ͍͏ޱ࣮ w TUBHFҎԼ༻ېࢭ w ษڧձ JTTVFͰݟΛγΣΞ
http://azu.github.io/slide-what-is-ecmascript/ ࢀߟ&$."4DSJQUͱԿ͔ CZ!B[V͞Μ
ࣾษڧձͷΑ͏͢
None
JTTVFͰݟΛूΊΔ
React Architecture React༻࣌ͷίϯϙʔωϯτઃܭ
جຊతͳߟ͑ํ w 'MVYϑϨʔϜϫʔΫ͍ͨ͘ͳ͍ w &WFOU&NJUUFS͚ͩͰؤுΔ w نʹΑͬͯɺஈ֊తʹ 'MVYͬΆ͍ͯ͘͘͠
খ͞ͳػೳͷͱ͖ w 7JFX.PEFM͚ͩͰ݁ w ҎલͷίʔυͷSFOEFS Λ ஔ͖͑Δ͚ͩ
େ͖ͳػೳͷͱ͖ w &WFOU&NJUUFSͰ෦తʹ'MVY w 4UPSF "DUJPO$SFBUPS͕ෳͳΒ %JTQBUDIFSΛಋೖ
.PEFM খن : ViewModel 7JFX.PEFM Πϕϯτ ө σʔλมߋ
"DUJPO $SFBUPS தن : Flux෩ Πϕϯτ ө 4UPSF Action σʔλมߋ
େن : DispatcherΛಋೖ Πϕϯτ ө Action σʔλมߋ %JTQBUDIFS
Coding Convention ίʔσΟϯάελΠϧͷνΣοΫ
ैདྷJSHintͰνΣοΫ ಠࣗϧʔϧ1FSMͰॻ͍ͯͨ ✗ϧʔϧΛඍௐ͠ʹ͍͘ ✗+49&4ʹඇରԠ
None
✔ඪ४ϧʔϧ͕ॆ࣮ ✔ઃఆ͕ΧελϚΠζ͍͢͠ ✔ಠࣗϧʔϧ͕؆୯ʹॻ͚Δ
https://gist.github.com/fand/c13213f81bfce11f4132 ࢀߟಠࣗϧʔϧྫ
ಋೖͷํ w શͯͷඪ४ϧʔϧͰ Τϥʔ͕ग़ΔΑ͏ʹઃఆ w طଘίʔυͰΤϥʔফ͑Δ·Ͱ ϧʔϧΛ؇ΊΔ
˔ͷ͍ͭͨߦ શ෦ܯࠂ
None
ౖΒΕͯศརʂ
TEST THE COMPONENT Mission 3:
4݄·ͰͷJSςετ w $BTQFS+4ͷ&&ͷΈ w هࣄߘɺࠂͷද͚ࣔͩ
JS͕յΕ͍͢ w ϦϑΝΫλϦϯάͰΤϯόά w ϦϦʔεޙΤϥʔͰ·ͬͯ͘ 3FWFSUͨ͠ࣄʜʜ
http://0-9.sakura.ne.jp/pub/frontrend/start.html
ʮE2E͔Β࢝ΊΖʯͱݴ͏͚ΕͲ…… w γφϦΦ͕ෳࡶ ʮ͋ΔॱংͰϖʔδભҠͨ࣌͠ʹ উखʹλϒ͕ดͯ͡͠·͏ʯ όάͷςετͨ͘͠ͳ͍ʜʜ
ςετ͍ͨ͠ʂ
୯ମςετ͔Β͡ΊΑ͏
Unit Test ୯ମςετڥߏங
http://0-9.sakura.ne.jp/pub/frontrend/start.html
ཧ
ςετॻ͘ ςετམͪͳ͍Α͏ʹ ϦϑΝΫλϦϯά
ݱ࣮
ςελϒϧͳઃܭͰ ϦϑΝΫλϦϯά ςετॻ͘
ςελϒϧͳઃܭΛ৺͕͚Δ w ίʔυׂେલఏ w 7JFXૢ࡞͢Δ w %0.৮ΔϞδϡʔϧ ςετͮ͠Β͍
w ݩ"OHVMBS༻ͷςετϥϯφʔ w ϒϥβΛͬͯςετͰ͖Δ w ୯ମςετ͚ w ϒϥβૢ࡞ॆ࣮͍ͯ͠ͳ͍
গͣͭ͠ςετ૿͢ w ৽͍͠Ϟδϡʔϧςετඞਢ w ϦϑΝΫλϦϯάˠςετՃ w 6UJMܥϞδϡʔϧΛ༏ઌ
Viewͷςετ w &WFOU&NJUUFSͷ͓͔͛Ͱ ςετ͘͢͠ͳͬͨʂ w Πϕϯτൃߦ͞ΕΔ͔ʁ w %0.ཁૉ͕ඳը͞ΕͯΔ͔ʁ
4JEFCBS #VUUPOT $POpH ϘλϯΫϦοΫ σʔλө σʔλมߋ + emit(‘change’)
4JEFCBS #VUUPOT $POpH ϘλϯΫϦοΫ σʔλө σʔλมߋ + emit(‘change’) $POpH ϘλϯΫϦοΫ
Πϕϯτ͕ ਖ਼͘͠ൃߦ͞ΕΔ͔ʁ
4JEFCBS #VUUPOT $POpH ϘλϯΫϦοΫ σʔλө σʔλมߋ + emit(‘change’) 4JEFCBS σʔλมߋ
+ emit(‘change’) Πϕϯτʹର͠ σʔλ͕มߋ͞ΕΔ͔ʁ
4JEFCBS #VUUPOT $POpH ϘλϯΫϦοΫ σʔλө σʔλมߋ + emit(‘change’) σʔλ ਖ਼͘͠ඳը͞ΕΔ͔ʁ
#VUUPOT σʔλө
ςετॻ͚Δ
ςετϑΝΠϧ
None
·ͩ·ͩ ൃల్্
E2E Test E2EςετڥͷϦχϡʔΞϧ
CasperJS w 3FBDUΛ͏ͱ 1IBOUPN+4ͰΤϥʔग़Δʂ w 1IBOUPN+4ɺ͍͠
ଞͷखஈΛݕ౼
&MFDUSPOϕʔεͷεΫϨΠύʔ ✔γϯϓϧͳ"1* ✗ࡉ͔͍"1*͕Γͳ͍ ✗ϝιουνΣʔϯ͕໘
ݩ"OHVMBS+4ͷςετ༻ ✔Ϣʔβʔɺใ͕ଟ͍ ✔ಉظతʹॻ͚Δ ✗"OHVMBSઐ༻"1*ෆཁ Protractor
4FMFOJVNͷόΠϯσΟϯά ✔ಉظతʹॻ͚Δ ✔ׂͱ υΩϡϝϯτॆ࣮ ♨$-*ςετϥϯφʔ͖
4FMFOJVNͷόΠϯσΟϯά ✔ಉظతʹॻ͚Δ ✔ׂͱ υΩϡϝϯτॆ࣮ ♨$-*ςετϥϯφʔ͖ ࠾༻
Ұ൪ͷཧ༝ w 4FMFOJVNܥͳͷͰ ଞϥΠϒϥϦʹΓ͍͑ͣ͢ w 1SPUSBDUPS UFTUJVN
&4HFOFSBUPSͰ ςετΛॻ͘
&4HFOFSBUPSͰ ςετΛॻ͘
None
ςετಈ͍ͨʂ
http://amagitakayosi.hatenablog.com/entry/2015/10/30/083000 ࢀߟ͓͠ΖΤϐιʔυ
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