RuboCop Philosophy - Speaker Deck

Slide 1

Slide 1 text

3VCP$PQϝϯςφʔ͙͠͞ RuboCop Philosophy ϓϩάϥϛϯάݴޠ3VCZप೥ه೦Πϕϯτ 4BU ҏ౻ߒҰ&4. *OD

Slide 2

Slide 2 text

େࣄͳ͜ͱ ͸࠷ॳʹ

Slide 3

Slide 3 text

ॕप೥🎉

Slide 4

Slide 4 text

@koic w044ϓϩάϥϚʔ w3VCP$PQίΞνʔϜ wגࣜձࣾӬ࿨γεςϜϚωδϝϯτ &4. *OD ΤϯδχΞϦϯάϚωʔδϟʔ݉ σΟεςΟϯάΠογϡυΤϯδχΞ

Slide 5

Slide 5 text

No content

Slide 6

Slide 6 text

044ίϛϡχςΟͱͷڞੜΛࢧԉ 3BJMT044ύονձ #esm_oss

Slide 7

Slide 7 text

No content

Slide 8

Slide 8 text

w +BWB4DSJQU1SFUUJFS &4-JOU w (P(PGNU w 3VTU3VTUGNU $MJQQZ w 3VCZ3VCP$PQ 4UBOEBSE BOE PUIFST ϦϯλʔϑΥʔϚολʔͷੈք

Slide 9

Slide 9 text

No content

Slide 10

Slide 10 text

Slide 11

Slide 11 text

IUUQTSBJMTIPTUJOHDPNXIJDISVCZHFNTEPZPVMPWF

Slide 12

Slide 12 text

IUUQTSBJMTIPTUJOHDPNXIJDISVCZHFNTGSVTUSBUFZPVUIFNPTU

Slide 13

Slide 13 text

No content

Slide 14

Slide 14 text

ࠓ೔ͷ࿩

Slide 15

Slide 15 text

3VCP$PQDPSFEFWFMPQFST +0900 UTC+0200 +0300 +0800 -0400 ։ൃऀʹΑͬͯߟ͑΍޷Έͷҧ͍͕͋Δ ͳͷͰ͜ͷൃද͸ࢲݸਓͷݟղͰ͢

Slide 16

Slide 16 text

No content

Slide 17

Slide 17 text

໨࣍ ஀ੜͱ఩ֶ ϐϥϛουͱࣗಈԽ ϝϯςφʔ͙͠͞

Slide 18

Slide 18 text

஀ੜͱ఩ֶ

Slide 19

Slide 19 text

w 3VCZ೥݄೔ੜ·Ε w IUUQTCMBEFSVCZMBOHPSHSVCZMJTU w 3BJMT೥݄೔ʹΞφ΢ϯε w IUUQTCMBEFSVCZMBOHPSHSVCZUBML w 3VCP$PQ೥݄೔ʹTUίϛοτ w IUUQTHJUIVCDPNSVCPDPQSVCPDPQDPNNJUBGCFBE 3VCZ 3BJMT 3VCP$PQͷ஀ੜ

Slide 20

Slide 20 text

w 3VCZ͸प೥ w ॊೈͳදݱྗΛඋ͑ͯɺϓϩάϥϛϯάΛ ָ͘͢͠Δ 3VCZJTUʹ޾ͤΛ͸͜Ϳ ݴޠ w 3VCP$PQ͸ࡢ೥प೥ w 3VCZͱ͓Αͦࡀࠩ 3VCZͱ3VCP$PQ

Slide 21

Slide 21 text

೥Λ౿·͑ͨެࣜ఩ֶ IUUQTEPDTSVCPDPQPSHSVCPDPQJOEFYIUNMQIJMPTPQIZ

Slide 22

Slide 22 text

w 3VCP$PQ͸3VCZ4UZMF(VJEFͷϥϯλΠϜ࣮૷ w ॳظʹ໨ࢦͨ͠ͷ͸HPGNUతͳେ౷ҰϑΥϚολʔ w 3VCZίϛϡχςΟʹ͸ڝ߹͢ΔελΠϧ΍޷Έ͕͋Δ͜ ͱʹؾͮ͘ FHμϒϧΫΥʔτɺγϯάϧΫΥʔτ w ҰൠతͳελΠϧΛߏ੒Մೳʹ͢ΔΑ͏ʹͳΔ w ελΠϧΨΠυΛσϑΥϧτͱͭͭ͠ɺ޷Έͷҧ͍Λड ͚ೖΕΔͱ͍͏఩ֶʹجͮ͘Α͏ʹͳΔ 3VCP$PQͷ఩ֶαϚϦʔ

Slide 23

Slide 23 text

޷Έͷҧ͍Λड͚ ೖΕΔͱ͍͏఩ֶ

Slide 24

Slide 24 text

ϐϥϛουͱࣗಈԽ

Slide 25

Slide 25 text

3VCZίϛϡχςΟͱ ίʔσΟϯάελΠϧ

Slide 26

Slide 26 text

ੜ஀೥ͷϢʔβʔ ϕςϥϯ͔Β ϏΪφʔ·Ͱ෯޿͍૚

Slide 27

Slide 27 text

ࢲ ͨͪ ͷߟ͑ͨ ࠷ڧ͋Δ͍͸࠷Ѫͷ ελΠϧଟ਺

Slide 28

Slide 28 text

ڷʹೖΕ͹ ڷʹै͑ ίʔσΟϯάελΠϧʹ΋ݴ͑Δ͜ͱ

Slide 29

Slide 29 text

ಛʹ࢓ࣄͰ͸େਓ ʹͳΔඞཁ͕͋Δ

Slide 30

Slide 30 text

ϓϩδΣΫτ ࢓ࣄ ελΠϧϐϥϛου ݖҖͷελΠϧΨΠυ ࣗ෼ͷελΠϧ ϓϩδΣΫτͷελΠϧ͕͓͔͔ͬͨ͠ΒԼࠀ্͕ى͖͏Δ ͋͑ͯϧʔϧΛઃ͚ͳ͍PSߟྀ͞Εͣ Ѫ৘ ܟҙ कഁ ཭PSແ ϑϦʔμϜ δϟεςΟε ϓϩδΣΫτϧʔϧ༏ઌͰ ϧʔϧ͕ͳ͚Ε͹ ϑΥʔϧόοΫ͞Ε͍ͯ͘ $IBPT -BX

Slide 31

Slide 31 text

͞Γ͸͞Γͱͯ1SPCMFNWT64 IUUQTUXJUUFSDPNPOLTUBUVT

Slide 32

Slide 32 text

No content

Slide 33

Slide 33 text

IUUQTSBJMTIPTUJOHDPNXIJDISVCZHFNTEPZPVMPWF

Slide 34

Slide 34 text

IUUQTSBJMTIPTUJOHDPNXIJDISVCZHFNTGSVTUSBUFZPVUIFNPTU

Slide 35

Slide 35 text

σϑΥϧτ͕࢖͍ ͮΒ͍͕ߏ੒͢Δ ͷ͸໘౗ͱ͍͏੠

Slide 36

Slide 36 text

w σϑΥϧτ͕ݫ͗͢͠Δ w ݫ͍͠కΊ෇͚͕ྑ͍ͱ͍͏੠΋͋Δ w σϑΥϧτͰબ୒͞ΕͨελΠϧ͕͋Θͳ͍ w ରۃ͕࣠͋Δ΋ͷ͸೉͍͠ɻྫ͑͹γϯάϧΫΥʔτ೿ͱμϒϧ ΫΥʔτ೿ͷ߅૪͸ऴΘΒͳ͍ɻ3VCZ͕޷͖ͳͷ͸Θ͔ͬͨɻ w σϑΥϧτͰ༗ޮͷϧʔϧ͕ଟ͗͢Δ w ͜Ε͸ͦ͏ɻؤுͬͯݮΒ͢׆ಈΛ͍ͯ͠Δ͕ɺ͍ͨ΁Μɻ σϑΥϧτ΁ͷݱ࣮ͷ੠

Slide 37

Slide 37 text

͍ͪͲσϑΥϧτʹ ͳͬͨ΋ͷ͸खڧ͍

Slide 38

Slide 38 text

No content

Slide 39

Slide 39 text

ϝϯςφʔ͙͠͞

Slide 40

Slide 40 text

."/"48"/ ΁ͷෛ୲ΛݮΒ͢ ඞཁҎ্ͷΧελϚΠζઃఆ

Slide 41

Slide 41 text

w ཧ૝ͱ͢ΔσϑΥϧτ͸5IF3BJMT%PDUSJOF ͷʮ5IFNFOVJTPNBLBTFʯͷੈք؍ w ͍͍ͩͨͷ৔߹͸σϑΥϧτͰ͏·͍͘͘ w ͨ·ʹ ͋Θͳ͍෦෼͸ΧελϚΠζͰ͖Δ શͯԕ͖ཧ૝ڷ

Slide 42

Slide 42 text

Ͳ͏͍͏ߟ͑ํʹ ࢲ͸ج͍ͮͯΔʁ

Slide 43

Slide 43 text

w ίϯτϦϏϡʔλ΁ͷ Ϛʔδ΁ͷ ຬ଍ײ Ͱ͸ͳ͘ɺϓϩμΫτ΁ͷϢʔβʔͷ࢖͍উ खΛॏࢹ͢Δ w ͨͱ͑͹ಛఆͷϓϩδΣΫτͷ޷Έ͕σϑΥ ϧτ޲͖ͱ͸ݶΒͳ͍ $PQDPQͱ͍͏ϝλ׆ಈ🚨 Ϋϩʔζ͸৺ॏ͍Ͱ͕͢Ϣʔβʔͷ൵໐Λ๷͙ͷΛ༏ઌ

Slide 44

Slide 44 text

఩ਓدΓʁࢻਓدΓʁ ఩ਓ ࢻਓ w νʔϜ։ൃ w ݎ͍ن໿ w ౷Ұੑͷ९क w ݸਓ։ൃ w ؇͍ن໿ w ଟ༷ͷड͚ೖΕ ౓߹͍

Slide 45

Slide 45 text

ࢲࣗ਎ͷࣗݾ෼ੳ ఩ਓ ࢻਓ w νʔϜ։ൃ w ݎ͍ن໿ w ౷Ұੑͷ९क w ݸਓ։ൃ w ؇͍ن໿ w ଟ༷ͷड͚ೖΕ ౓߹͍

Slide 46

Slide 46 text

ࢲͷ఩ֶ ఩ਓ ࢻਓ w ΋ͬͱࣗ༝౓͕͋Δͱࣗવຯ ָ͠͞ ͋Δ w σϑΥϧτϧʔϧ͸΋ͬͱ؇ͯ͘ྑ͍ w ʮݫ͗͢͠ͳʯϧʔϧͷఏҊ͸͓فΓ͢Δ ౓߹͍

Slide 47

Slide 47 text

w ϧʔϧͱͯ͠ݫ͗͢͠Δ w ಠࣗϧʔϧײ͕ڧ͍ w ِཅੑ͕ଟ͍͜ͱ͕ࣗ໌ͳ΋ͷ w ϚʔδޙʹϢʔβʔͷ൵໐͕େ͖ͦ͏ͳ΋ͷ ίΞʹड͚ೖΕʹ͍͘ϧʔϧ ίΞͰ͸ͳ͘SEύʔςΟʔͰͷެ։Λ঑Ί͍ͯΔ

Slide 48

Slide 48 text

େ౷ҰͰ͖Δ͔໰୊ ఩ਓ ࢻਓ w ελΠϧͰ޷Έ͕෼͔ΕΔ w ఩ਓࢻਓͷ౓߹͍͕։ൃऀ͝ͱʹҟͳΔ w ͳΜͳΒ3VCZίϛολʔͰ΋ҟͳ͍ͬͯͨ ౓߹͍

Slide 49

Slide 49 text

3VCP$PQDPSFEFWFMPQFST +0900 UTC+0200 +0300 +0800 -0400 ։ൃऀʹΑΔߟ͑΍޷Έͷҧ͍Λௐఀ͢Δ 3VCZJTUͷ਺͚ͩελΠϧͷ޷Έ͕ੜ·ΕΔ

Slide 50

Slide 50 text

No content

Slide 51

Slide 51 text

" ࠷ߴͷ$PQΛٻΊͯ

Slide 52

Slide 52 text

w ϓϩάϥϚʔͷϝϞϦ؅ཧ͔ॲཧܥͷ($ͷ ୒Ͱͳ͘ɺίϯύΠϥͰϝϞϦ؅ཧΛղܾ ͢Δ3VTUͷಓ w ੩తܕ෇͚ͷܕԸܙ͔ಈతܕ෇͚ͷखܰ͞ͷ ୒Ͱͳ͘ɺܕఆٛϑΝΠϧͰ྆औΓΛ໨ࢦ ͢3#4ͷಓ ୈࡾͷղܾ

Slide 53

Slide 53 text

w HPGNUͷΑ͏ͳ୒ҰϑΥʔϚοτͱϢʔβʔ ΧελϜͷߏ੒ͷ୒Ͱ͸ͳ͘ɺͳΜͱͳ͘ ೲಘײͷ͋Δʮ͍͍ͩͨ͏·͍͘͘ߏ੒ʯ w 3VCP$PQͰݕ౼͞ΕͯΔϓϦηοτ͕ͦΕ ʹ͍͕ۙʮ୭͔ͷዞҙੑʯ͔Βൈ͚ग़ͤͳ͍ 3VCP$PQͰ΋ୈࡾͷղܾ

Slide 54

Slide 54 text

Ѫ৘͋Δዞҙੑ͕ ղܾ΁ͷಓʁ

Slide 55

Slide 55 text

w ίϛϡχςΟͷҙࢥܾఆͱผʹ༏͍͠ಠࡋऀͷΑ ͏ͳݸਓʹΑΔҙࢥܾఆϞσϧ w ੨໦ๆ࿠͞Μͷʮ3VCZͷίʔσΟϯάελΠϧʯ w લాमޗ͞Μͷʮ3VCZίʔσΟϯάن໿ʯ w ۩ମతͳʮಛఆͷ୭͔ʯॏཁͰ͸ʁ FH0OL$PQ ଥ౰ͦ͏ͳʮ୭͔ʯϧʔϧʁ

Slide 56

Slide 56 text

w ͍͍ͩͨ͏·͍͖ͦ͘͏ʁ .BU[$PQ

Slide 57

Slide 57 text

w ·ͭ΋ͱ͞Μ؂म w 3VCZͷ਌ͱ͍͏͜ͱ͸Ѫ৘͸ੈքҰ w DisabledByDefault: trueϕʔεͷ֦ுHFN w ϧʔϧ $PQ ͸ແݶʹ૿͍͍͑ͯͬͯΔͷͰɺ ϛχϚϜͷελʔλʔΩοτΑ͏ͳ΋ͷʹͳΓ ͦ͏ .BU[$PQͷ͝ఏҊ

Slide 58

Slide 58 text

w େਓʹͳͬͨ3VCZΛݟकΔ.BU[$PQͷΑ͏ͳݖ ҖͷσϑΥϧτ͕͋Δͱ޾ͤͳ3VCZJTU͸͍ͦ͏ w ͱ͸͍͑ϧʔϧͷऔࣺબ୒͕͍ͨ΁Μͦ͏ w 3VCP$PQϓϩμΫτͱͯ͠͸αϙʔτελΠϧ ͷͻͱͭͱݟ၏͠3VCP$PQͷ఩ֶΛຬ଍ͤ͞Β ΕΔ प೥ͷઌʹ޲͚ۭͨ૝