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React + Contenteditable Ͱ࡞Δ
ຐͷϑΥʔϜ
CTO ࠤ౻ কߴ (@ma3tk)
2017/10/06(ۚ) Gotanda.js
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2
ࠓͷൃදʹ͍ͭͯ
● ޒాͷάϧϝใʹ͍͓ͭͯ͠·ͤΜ(?)
● ଜ্य़थ͕͍ͭϊʔϕϧจֶ͕औΕΔ͔ʹ͍ͭͯ
͠·ͤΜ
● React Ͱ WYSIWYG ͳΤσΟλ(ϑΥʔϜ)Λ࡞ͬͯ
ਏ͔ͬͨ(ݱࡏਐߦܥ)ͱ͍͏͓Λ͠·͢
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Զ is ୭
3
ϑΝΠϯσΟגࣜձࣾ
औకCTOɿࠤ౻ কߴ
ɹ·ͨ͞Μ (@ma3tk)
ޒా.js ͡Ίͯ
౦ژେֶใཧֶܥݚڀՊใֶઐ߈ଔۀޙɺάϦʔΛܦͯ
FindyͷۀʹࢀըɻେֶӃͰɺҴ༿ਅཧݚڀࣨʹॴଐɻաڈ10
ͷจʹର͠จؒͷྨࣅΛɺࣗવݴޠॲཧσʔλϚΠχϯάʹ
ΑΓ༰ͷղੳΛఆྔతɾఆੑతʹߦ͏͜ͱͰࢉग़͢ΔจΛࣥචɻ
άϦʔͰήʔϜϓϥοτϑΥʔϜͷ։ൃɺNativeήʔϜͷ։ൃɺQA
ΤϯδχΞΛܦݧ͠ɺϑϩϯτΤϯυ͔ΒόοΫΤϯυ·Ͱ։ൃʹਫ਼
௨͍ͯ͠ΔɻےτϨ͕͖ɻ࠷ۙݞτϨʹϋϚ͍ͬͯΔɻB:100 D:
130 S:130
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͓Ͷ͕͍
4
͓खॊΒ͔ʹ
͓ئ͍͠·͢
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Findy Score ग़ͨ͠
● اۀͷਓࣄ͚ϓϩμΫτ
● ืूཁ߲ͷςΩετΛೖΕΔͱɺ
ʮ100ຬதԿͷग़དྷ͔ʯ͕Θ͔ΔϑΥʔϜ
● 20169݄ϦϦʔε
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ߏ ׂΓͱϞμϯ
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ϑϩϯτΤϯυ
● ES2015
● React
● Redux
● Webpack
όοΫΤϯυ
● Ruby on Rails (API௨৴)
● Heroku
● AWS
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͜ͷαʔϏεͷʹͱͬͯͷٕज़తͳπϥϛ
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● Contenteditable
● ॳReactαʔϏε
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͜ͷαʔϏεͷʹͱͬͯͷٕज़తͳπϥϛ
8
Ͳ͕͜ਏ͍ʁ
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ਏ͍ͱ͜Ζ
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ਏ͍ͱ͜Ζ
⊗͜͜
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⛈ Contenteditable
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Έͳ͞Μ
Contenteditable
ͬͯͬͯ·͔͢ʁ
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⛈ Contenteditable ྫ1
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⛈ Contenteditable ྫ2
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⛈ Contenteditable ྫ3
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Contenteditable ਖ਼ମ
15
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Contenteditable ͷਖ਼ମ ଐੑ
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Contenteditable ͷ༷
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ࢀߟ: https://developer.mozilla.org/ja/docs/Web/HTML/Global_attributes/contenteditable
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ཁ݅
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কདྷతʹ
● ςΩετϋΠϥΠτ
● ғ͍
● Օॻ͖
● ݟग़͠
ͳͲʹରԠͨ͠αʔϏεʹ͍ͨ͠
※తʹஅ೦ͨ͠··Ͱ͢ɻ
୭͔ʙʙ
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ཁ݅
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ʹWYSIWYG ΤσΟλΛ࡞Δඞཁ͕͋Δ
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/ Ϣʔβ
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Ϣʔβతʹ
● IEରԠඞਢ(ਏ͍)
● ςΩετͷίϐϖ͕͋ΔͷͰσʔ
λΛਖ਼͘͠insertͰ͖ΔΑ͏ʹ
● UIʹ͢ΔͨΊʹϚεΦʔ
όʔରԠ
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Contenteditable + IE
21
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⛄ IE ͷಠ༷ࣗʹΑΓ Clipboard API ͡Όͳ͍͠ίϚϯυ͕ҧ͏
22
https://qiita.com/saitoxu/items/b317ccde7e2af9797288
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IE Ͱվߦ͢Δͱ
Ͱͳ͘ Ͱғ·ΕΔ 23 https://stackoverflow.com/questions/2057881/avoid-ie-contenteditable-element-to-create-paragraphs-on-enter-key
Ͱͳ͘ Ͱғ·ΕΔ 23 https://stackoverflow.com/questions/2057881/avoid-ie-contenteditable-element-to-create-paragraphs-on-enter-key
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Contenteditable + IE
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IEਏ͍
※ͷ࣮ྗෆ
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Contenteditable ͚ͩͰͳ͔ͳ͔ਏ͍
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● ΧʔιϧΛҠಈͨ࣌͠ͷѻ͍
○ https://engineering.linecorp.com/ja/blog/detail/145
● HTML Λอଘͨ͠ࡍʹܗ͞Εͯ
͍ͳ͍ͱ͍͚ͳ͍
○ ݺͼग़͢ͱXSSʹͳͬͯ͠·͏
○ http://www.bokukoko.info/entry/2017/10/02/191614
● ϚεΦʔόʔɺΩʔϘʔυ
γϣʔτΧοτ……
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Contenteditable Tsurai
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Contenteditable
ਏ͍
※ͷ࣮ྗෆ
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2. React
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React
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Reactྺ
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● ॳReactαʔϏε
● ʮReact͔͚ͬʔ͆͆͆ʯ
● npmɺjQueryɺES6ɺ
TypeScript͋ͨΓࣄͰ৮ͬ
ͯͨ
● JSྺʮࠓ19:40Ͱ͢ʂʯͱ
͍ͬͨจݴΛग़͋ͨ͢Γ͔Β
͑Ε20ۙ͘৮ͬͯΔݴޠ
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React ͱϑΥʔϜ
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● React ͰϑΥʔϜૢ࡞͢Δͷਏ͘ͳ͍Ͱ
͔͢ʁ
● ϑΥʔϜܥͷେม͞
ॳظ
ೖྗorอଘϘλϯʹΑΔσʔλߋ৽
…
⇛保持用のhiddenςΩετΤϦΞor ॳظϨ
ϯμϦϯάޙʹॳظऔ͖ͬͯͯ div ʹຒ
ΊࠐΉ ͲͪΒ͔ͷղܾࡦ
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React ͱϑΥʔϜͱContenteditable
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● React + Contenteditableͳ͔
ͳ͔େม
● Virtual DOM ͳͷͰɺϖʔετ
͢ΔࡍʹHTMLೖΕΒΕͳ͍
React.createElement
dangerouslySetInnerHTML={{__
html: text}}
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ϥΠϒϥϦͳ͍ͷʁ
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● https://github.com/lovasoa/react-
contenteditable
● IE11ʂʁ
࠷ۙ͋ΔΈ͍ͨ
ࠓίϛοτ͠ΐ…
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ҰݴͰݴ͏ͱ
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React ͰϑΥʔϜपΓͷ੍ޚ͠ͳ
͕ΒɺContenteditable Λͬͯ
WYSIWYG ΤσΟλͱͯ͠ײత
ʹ͑ΔΑ͏ʹ࣮ͯ͠ͳ͓͔ͭ
IEରԠ͠ͳ͕Βɺαʔόʹอଘ
͢Δࡍʹ XSS ͕ൃੜ͠ͳ͍Α͏
ʹؾΛ͚ͭΔҊ݅ͱԽͨ͠
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⭕ ·ͱΊ
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·ͱΊ
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⭕ ·ͱΊ
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● ͦͦ React ͰϑΥʔϜૢ࡞͢Δͷ͕
େม
● ͦͷ্ʹ Contenteditable ͱ͍͏ةͳ͍
ڮΛΔ͜ͱେม
→ͬͱ͍͍Έ߹Θͤ͋ͬͨؾ͕͢Δ
→ྲྀߦΓͩ͠ʙͬͯReactબΜ͡Όବ
→͍͍Έ߹ΘͤҰॹʹߟ͑·͠ΐ͏ʂ͆