Neovimのリモートプラグインとはなんなのか、あるいはTypeScriptでのNeovimプラグイン実装について / Developing Remote Plugin in TypeScript
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yuki-yano
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NeovimͷRemote PluginͱͳΜͳͷ͔ɺ ͋Δ͍TypeScriptͰͷNeovimͷϓϥάΠϯ ࣮ʹ͍ͭͯ Yuki Yano @yuki_ycino gorilla.vim#13 2020/07/10
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Who is me • yuki-ycino (Yuki Yano) • WebΤϯδχΞʢओʹTypeScriptɾRailsɾͦͷଞϑϧελοΫؾຯʣ • Vimྺ7͘Β͍ • झຯ • ओʹϑϩϯτΤϯυͷαʔϏε։ൃ • VimϓϥάΠϯͷ։ൃ • ࠷ۙେ͕fzfΛͬͨϓϥάΠϯ
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Output • DXΛେ෯ʹԼͤ͞ΔDocker for MacΛࣺͯͯ Mac࠷ͷDockerڥΛखʹೖΕΔ https://qiita.com/yuki_ycino/items/cb21cf91a39ddd61f484 • tmuxΛޮΑͬͯ͘։ൃΛരʹ͢Δ࠷ߴͷઃఆ https://qiita.com/yuki_ycino/items/ef5e6b63c8f9af2f03c0 • Electron + Vue + flowtypeͰ࠷ߴͷը૾Λऩू͢ΔͨΊͷ TwitterΫϥΠΞϯτΛ࡞ͬͨ https://qiita.com/yuki_ycino/items/9a2f7feef947c4c258ac • Dockerʹ͍ͭͯجຊ͔Β࠷ۙՃ͞Εͨػೳ·Ͱ·ͱΊ https://qiita.com/yuki_ycino/items/b94ae2bf7d78685cd6f5
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Agenda • Remote Pluginͱ • ࣮ࡍʹ։ൃͨ͠ϓϥάΠϯʹ͍ͭͯ(fzf-preview.vim) • TypeScriptͰRemote PluginΛ։ൃ͢Δ • ࠓޙʹ͍ͭͯ
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Remote PluginΛͬͨ͜ͱ͋Γ·͔͢ʁ
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Remote Pluginͱ • Provider͕ఏڙ͞Ε͍ͯΔҙͷݴޠͰNeovimͷϓϥάΠϯ͕ ։ൃͰ͖Δ • PythonɾNodeɾRuby… • pip install neovim • npm install -—global neovim • Dark powered plugin…
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Pros • Vim scriptͱൺͯϞμϯͳݴޠͰϓϥάΠϯ։ൃ͕Ͱ͖Δ • ྫ͑NodeͰnpmύοέʔδ͕͑ΔͳͲɺݴޠͷΤίγες Ϝ͕ڧྗ • ଟ͘ͷ߹ɺ࣮ߦ͕Vim scriptͱൺֱͯ͠ͷ͘͢͝ૣ͍ • ݴޠͷαϙʔτ͕ڧྗʢVim script͕͋·Γڧ͘ͳ͍ɾɾɾʣ • ಛʹTypeScriptͰcoc.nvimͳͲͰͷ։ൃମݧ͕͘͢͝Α͍
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Cons • VimͰ͏͜ͱ͕Ͱ͖ͳ͍ • ใ͕গͳ͘ϋϚΓͲ͜Ζ͕ଟ͍ • Vim scriptͱͷ࿈ܞͰऑ͍෦͕͋Δ • ར༻͢ΔࡍʹPythonNodeͷϥϯλΠϜ͕ඞཁ • :UpdateRemotePluginsͷਏ͞
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࣮ͨ͠ϓϥάΠϯʹ͍ͭͯ • fzf-preview.vim • Pure Vim script͔ΒRemote PluginͷҠߦ • ࠓिv2ͱͯ͠Remote PluginΛϦϦʔε͠·ͨ͠ • https://github.com/yuki-ycino/fzf-preview.vim • Scrapboxʢ։ൃϝϞʣ • https://scrapbox.io/fzf-preview/ • Vim script 1500ߦ → TypeScript 3500ߦ + Vim script 500ߦ
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ϓϥάΠϯ(fzf-preview.vim)ͷએ • fzf.vim͕ʢಛʹ࡞Γ࢝Ίͨ࣌ʣ৭ʑͱඍົͩͬͨ • ྫ͑devicons͚Δ͚ͩͰ͍͢͝ফ͢ΔʢϢʔβຖʹ.vimrcʹൿͷઃఆ͕ॻ͔Ε ͍ͯΔʣ • ѻ͏࣌ͷΠϯλʔϑΣΠεʢఏڙ͞ΕͯΔϢʔςΟϦςΟʣඍົ͚ͩͲFuzzy Finderͱ ͯ͠ͱͯ༏ल • ಛʹpreviewػೳ͕ศརɺ։ൃମݧര্͕Γ • wrap͔ͯ͠Γ͘͢֎෦͔Βศརʹ͑ΔΑ͏ʹ͔ͨͬͨ͠ • deviconsɾcolorizeɾΩʔίϯϑΟάɾcallbackͷઃఆ…
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࣮ԋ
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TypeScriptͰͷRemote Plugin։ൃ • TypeScriptͰRemote PluginΛ࣮͠ɺJavaScriptτϥϯεύΠϧ͢Δ • webpack + commonjs • NodeͷProvider͔ΒNeovimͷܕఆ͕ٛఏڙ͞Ε͍ͯΔ
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Example • ࠓճ࡞ͨ͠ϘΠϥʔϓϨʔτ • https://github.com/yuki-ycino/nvim-remote-plugin-with-typescript-example/ • TypeScript։ൃͰΑ͘ΘΕΔπʔϧઃఆશ෦Γ • TypeScript, webpack, eslint, prettier, jest, huskey, lint-staged, github actions
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TypeScript։ൃͷϝϦοτ 1/2 • ࠷ۙΘΕ͍ͯΔݴޠͰτοϓΫϥεʹ։ൃڥΤίγεςϜ͕ڧྗ • npm package • tsserver, eslint, prettier, jest… • coc.nvim • ڧྗͳܕγεςϜͱLinterͰόάͷࠞೖΛࣄલʹ͛Δ • ۃྗTypeScriptͷੈքͰ࣮Λ݁ͤ͞Δ
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TypeScript։ൃͷϝϦοτ 2/2 • Functionalʹॻ͍ͯॊೈͳઃܭ͕Մೳ • ScrapboxͷʮProcesses, ProcessͷొʯʮProcessʯࢀর • Nodeͷ࣮ߦͷ͞ • 50000ߦʹରͯ͠deviconsͷ༩ʹ͔͔Δ͕࣌ؒ800ms → 2-5ms
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࣮ࡍʹ༻ͨ͠ύοέʔδ • Redux • State container • yargs • Args parser • lodash • Modern utility library • Jest • Testing framework
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࣮ԋ
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TypeScript։ൃͷσϝϦοτ • FuncRef͕͑ͳ͍ • Vim script͔ΒFuncRef͕ड͚औΕͳ͍ • ࡞ͨؔ͠ͷFuncRef͕ੜͰ͖ͳ͍ • ݺͼग़͠ຖʹঢ়ଶ͕ॳظԽ͞ΕΔ • fzfͷίʔϧόοΫʹొͨ͠Οϯυੜ͕࣮ؔߦ࣌ʹԿނ͔Τϥʔ ʹͳΔʢNeovimຊମͰൃੜɺݪҼෆ໌ʣ
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TypeScriptͰͷRemote Plugin։ൃ͍͍ͧ
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ࠓޙʹ͍ͭͯ • fzf.vimͱͷࠩผԽͷͨΊʹ͑ΔศརϦιʔεΛ૿͍ͯ͘͠ • TypeScriptͰ։ൃͨ͜͠ͱͰVim script͔Βͷ֦ுੑ͕མͪͯ͠·͍ͬͯΔ ͷͰɺϢʔβ͕֦ு͍͢͠APIΛఏڙ͢ΔखஈΛߟ͑Δ • TypeScript͔ΒܕఆٛΛఏڙ͢ΔͳͲͯ͠ɺʢྫ͑DeniteͷΑ͏ʹʣ fzf-preview.vimΛ֦ு͢ΔRemote Plugin͕։ൃͰ͖ΔΑ͏ʹ͢Δ
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ࠓޙʹ͍ͭͯ • coc.nvimͷΤίγεςϜʢcoc extensionsʣʹΔ͜ͱͰvimͰTypeScriptΛ ಈ͔͢͜ͱ͕Ͱ͖ͦ͏ͳͷͰݕূத • coc.nvimಠࣗʹrpcΛ࣮͍ͯ͠Δʢͣʣ • Remote Pluginͱฒߦͯ͠coc-fzf-previewͱͯ͠ͷఏڙ • Neovim or cocڥͰಈ࡞͢Δ • :CocInstall coc-fzf-preview • cocͰ:UpdateRemotePluginsͳͲ͕ෆཁ
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Remote Plugin (+ fzf-preview.vim)Ͱ շదͳvimϥΠϑΛʂ