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E2EπʔϧʮNightmareʯΛ ͬͯΈΑ͏ WordBench Kyoto 2016.09 TAKUMA Hanatani(Potato4d)
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ࣗݾհ • Ֆ୩ɹຏ(@potato4d) • #wbkyoto ͷϞσϨʔλʔͬͯ·͢ • #frontkansai ͬͯ·͢ɻ • ࠷ۙJavaScriptʹͲͬΓ • ඞཁ͕ग़͖ͯͯॳΊͯe2eͬͨͷͰ ͯ͠Έ·͢
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Agenda • Nightmareͱʁ • NightmareΛ͏ͱԿ͕Ͱ͖Δʁ • WordPressϓϥάΠϯ։ൃ࣌ʹཱͭͱ͜Ζ
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Nightmareͱʁ
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Nightmareͱʁ
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Nightmareͱʁ • Node.jsϕʔεͷϔουϨεϒϥβ • ୯ମͰेʹe2eςετπʔϧͱͯ͠ར༻Մೳ • ݩʑPhantomJSͱ͍͏JSϥΠϒϥϦͷϥούʔ • ࠓElectronΛར༻͓ͯ͠Γɺ࠷৽ͷରԠόονϦ
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Nightmareͱʁ • Node.jsϕʔεͷϔουϨεϒϥβ • ୯ମͰेʹe2eςετπʔϧͱͯ͠ར༻Մೳ • ݩʑPhantomJSͱ͍͏JSϥΠϒϥϦͷϥούʔ • ࠓElectronΛར༻͓ͯ͠Γɺ࠷৽ͷରԠόονϦ
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Nightmareͱʁ • Node.jsϕʔεͷϔουϨεϒϥβ • ୯ମͰेʹe2eςετπʔϧͱͯ͠ར༻Մೳ • ݩʑPhantomJSͱ͍͏JSϥΠϒϥϦͷϥούʔ • ࠓElectronΛར༻͓ͯ͠Γɺ࠷৽ͷରԠόονϦ
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Nightmareͱʁ • Node.jsϕʔεͷϔουϨεϒϥβ • ୯ମͰेʹe2eςετπʔϧͱͯ͠ར༻Մೳ • ݩʑPhantomJSͱ͍͏JSϥΠϒϥϦͷϥούʔ • ࠓElectronΛར༻͓ͯ͠Γɺ࠷৽ͷରԠόονϦ
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e2eςετͱʁ
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e2eςετͱʁ • γεςϜͷ͔Β·ͰΛཏతʹ֬ೝ͢Δςετͷ͜ ͱ • ઐ༻ͷe2eπʔϧϔουϨεϒϥβΛར༻͠ɺ୯Ұ ͷϓϩάϥϜͷI/O͚ͩͰͳ͘ɺ࣮ࡍͷΞϓϦέʔγϣ ϯΛಈ͔ͯ͠ਐΊ͍ͯ͘ • ॳΊͯͷόΠτઌͰΤΫηϧγʔτͰͬͯͨ
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e2eςετͱʁ • γεςϜͷ͔Β·ͰΛཏతʹ֬ೝ͢Δςετͷ͜ ͱ • ઐ༻ͷe2eπʔϧϔουϨεϒϥβΛར༻͠ɺ୯Ұ ͷϓϩάϥϜͷI/O͚ͩͰͳ͘ɺ࣮ࡍͷΞϓϦέʔγϣ ϯΛಈ͔ͯ͠ਐΊ͍ͯ͘ • ॳΊͯͷόΠτઌͰΤΫηϧγʔτͰͬͯͨ
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e2eςετͱʁ • γεςϜͷ͔Β·ͰΛཏతʹ֬ೝ͢Δςετͷ͜ ͱ • ઐ༻ͷe2eπʔϧϔουϨεϒϥβΛར༻͠ɺ୯Ұ ͷϓϩάϥϜͷI/O͚ͩͰͳ͘ɺ࣮ࡍͷΞϓϦέʔγϣ ϯΛಈ͔ͯ͠ਐΊ͍ͯ͘ • ॳΊͯͷόΠτઌͰΤΫηϧγʔτͰͬͯͨ
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NightmareΛ͏ͱԿ͕Ͱ͖Δʁ
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NightmareΛ͏ͱԿ͕Ͱ͖Δʁ
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NightmareΛ͏ͱԿ͕Ͱ͖Δʁ • ϒϥβͰͰ͖Δૢ࡞શ͕ͯࣗಈԽͰ͖Δ • DOM͕ີʹؔΘΔ෦ͷςετ • ࣮ࡍͷૢ࡞ϑϩʔʹԠͨ͡ಈ࡞ςετ • ୯७ͳWebαΠτͰͷૢ࡞ͷࣗಈԽ
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NightmareΛ͏ͱԿ͕Ͱ͖Δʁ • ϒϥβͰͰ͖Δૢ࡞શ͕ͯࣗಈԽͰ͖Δ • DOM͕ີʹؔΘΔ෦ͷςετ • ࣮ࡍͷૢ࡞ϑϩʔʹԠͨ͡ಈ࡞ςετ • ୯७ͳWebαΠτͰͷૢ࡞ͷࣗಈԽ
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NightmareΛ͏ͱԿ͕Ͱ͖Δʁ • ϒϥβͰͰ͖Δૢ࡞શ͕ͯࣗಈԽͰ͖Δ • DOM͕ີʹؔΘΔ෦ͷςετ • ࣮ࡍͷૢ࡞ϑϩʔʹԠͨ͡ಈ࡞ςετ • ୯७ͳWebαΠτͰͷૢ࡞ͷࣗಈԽ
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NightmareΛ͏ͱԿ͕Ͱ͖Δʁ • ϒϥβͰͰ͖Δૢ࡞શ͕ͯࣗಈԽͰ͖Δ • DOM͕ີʹؔΘΔ෦ͷςετ • ࣮ࡍͷૢ࡞ϑϩʔʹԠͨ͡ಈ࡞ςετ • WebαΠτͰͷ୯७ͳૢ࡞ͷࣗಈԽ
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NightmareΛ͏ͱԿ͕Ͱ͖Δʁ DOM͕ີʹؔΘΔ෦ͷςετ DOM JavaScript DOM Event Event
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NightmareΛ͏ͱԿ͕Ͱ͖Δʁ ࣮ࡍͷૢ࡞ϑϩʔʹԠͨ͡ಈ࡞ςετ Login Dashboard Post Event Event
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࣮ࡍͬͯΈΔ
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WordPressϓϥάΠϯ։ൃ࣌ʹ ཱͭͱ͜Ζ
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WordPressϓϥάΠϯ։ൃ࣌ʹཱͭͱ͜Ζ • Θ͔Γ͍͢ಈ࡞͕ଟ͍ͷͰɺػցతʹνΣοΫ͠ ͯ࣌͘͢ʹͳ͔ͳ͔ྑ͍ • ͨͩɺPHP͕ϝΠϯͳ͚ͩ͋ͬͯɺJavaScriptΛத৺ͱ ͨ͠ͷΑΓԸܙ͕ബ͍ • εΫϦʔϯγϣοτͳΜ͔औΕΔͷͰɺެࣜʹ্͛Δ ͱ͖ʹͦͷ͋ͨΓศརʹར༻Ͱ͖Δ͔
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WordPressϓϥάΠϯ։ൃ࣌ʹཱͭͱ͜Ζ • Θ͔Γ͍͢ಈ࡞͕ଟ͍ͷͰɺػցతʹνΣοΫ͠ ͯ࣌͘͢ʹͳ͔ͳ͔ྑ͍ • ͨͩɺPHP͕ϝΠϯͳ͚ͩ͋ͬͯɺJavaScriptΛத৺ͱ ͨ͠ͷΑΓԸܙ͕ബ͍ • εΫϦʔϯγϣοτͳΜ͔औΕΔͷͰɺެࣜʹ্͛Δ ͱ͖ʹͦͷ͋ͨΓศརʹར༻Ͱ͖Δ͔
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WordPressϓϥάΠϯ։ൃ࣌ʹཱͭͱ͜Ζ • Θ͔Γ͍͢ಈ࡞͕ଟ͍ͷͰɺػցతʹνΣοΫ͠ ͯ࣌͘͢ʹͳ͔ͳ͔ྑ͍ • ͨͩɺPHP͕ϝΠϯͳ͚ͩ͋ͬͯɺJavaScriptΛத৺ͱ ͨ͠ͷΑΓԸܙ͕ബ͍ • εΫϦʔϯγϣοτͳΜ͔औΕΔͷͰɺެࣜʹ্͛Δ ͱ͖ʹͦͷ͋ͨΓศརʹར༻Ͱ͖Δ͔
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NightmareΛͬͯΈͨॴײ(JSͷਓ͚)
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NightmareΛͬͯΈͨॴײ • Node͔ͭಈ࡞ϒϥβ͕ChromiumϕʔεͳͷͰɺ ϞμϯJavaScriptΛଘʹͬͯॻ͘͜ͱ͕ग़དྷΔͷ ҹ • ͨͩɺੜͰಈ͔͢ʹmochaͳͲͷςεςΟϯάϑ ϨʔϜϫʔΫΛ͏߹ͰɺgeneratorͳͲͷ͕ࣝ ඞཁʹͳΔͷͰ୭Ͱѻ͍͍͔͢ͱ͍͑ඍົ
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NightmareΛͬͯΈͨॴײ • Node͔ͭಈ࡞ϒϥβ͕ChromiumϕʔεͳͷͰɺ ϞμϯJavaScriptΛଘʹͬͯॻ͘͜ͱ͕ग़དྷΔͷ ҹ • ͨͩɺੜͰಈ͔͢ʹmochaͳͲͷςεςΟϯάϑ ϨʔϜϫʔΫΛ͏߹ͰɺgeneratorͳͲͷ͕ࣝ ඞཁʹͳΔͷͰ୭Ͱѻ͍͍͔͢ͱ͍͑ඍົ
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͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠