PostCSS分かんないから触ってみてついでに stylelintのconfigを作っている話

by Tyankatsu

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PostCSS෼͔Μͳ͍͔Β৮ͬͯΈͯ ͍ͭͰʹ stylelintͷconﬁgΛ࡞͍ͬͯΔ࿩ 4/25 Զͷ࿩Λฉ͚ʂʂLTେձ #13 #chibi_developer

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ࣗݾ঺հ • νϟϯΧπ(@tyankatsu5, @tyankatsu_en) • ϕΨίʔϙϨʔγϣϯ • LaigͷϑϩϯτΤϯυΤϯδχΞ • Member of Gridsome

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ࠓ೔࿩͢͜ͱ • PostCSSͱ͸ • PostCSSͰצҧ͍ͯͨ͜͠ͱ • PostCSSͰΦϦδφϧͷϓϥάΠϯΛ࡞Δ • stylelint-conﬁg-ecss • ͓·͚

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PostCSSͱ͸

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PostCSS • JSʢnode.jsʣͰCSSߏจม׵Ͱ͖Δ΍ͭ • ϓϥάΠϯΛ։ൃ͢ΔϑϨʔϜϫʔΫతͳϊϦ • PostCSSΛ࢖༻ͨ͠ϥΠϒϥϦ͕༗໊ • Autopreﬁxer • stylelint • postcss-preset-env

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ௐ΂Δ·Ͱޡղͯͨ͜͠ͱ

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PostCSSͬͯSASSͷΑ͏ͳ ϓϦϓϩηοαͩΑͶ

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PostCSSͬͯSASSͷΑ͏ͳϓϦ ϓϩηοαͩΑͶ • ҧ͏ɻ • PostCSSೖΕ·ͨ͠Ͱ͸Կ΋Ͱ͖ͳ͍ɻ • PostCSSΛ࢖ͬͯ࡞ΒΕͨϓϥάΠϯ͕͋ͬͯॳΊͯ ػೳ͢Δɻ

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PostCSS͕Ͱ͖ͯ ϓϥάΠϯ͕Ͱ͖ͨʁ

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PostCSS͕Ͱ͖ͯ ϓϥάΠϯ͕Ͱ͖ͨʁ • ҧ͏ɻݩʑAutopreﬁxerͷͨΊʹPostCSS͸࡞ΒΕ ͨɻ • reworkͱ͍͏cssจࣈྻΛ͝ʹΐ͝ʹΐͰ͖Δ΍͕ͭ ͋ͬͨ • Andrey Sitnik͕reworkΛ༻͍ͯrework-venderΛ ࡞ͬͨ

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PostCSS͕Ͱ͖ͯ ϓϥάΠϯ͕Ͱ͖ͨʁ • rework-vender͸Autoprefixerʹ໊લΛม͑ͨ https://github.com/postcss/autoprefixer/commit/ 419a77d4d871a1d7be34ff7129e3cbf7fb755b0c • ౰࣌ͷAutoprefixerͷ໾ׂ • ϕϯμʔϓϨϑΟοΫε෇༩ • όϯυϧαΠζॖখʢminifyʣ • code errorͷࢦఠ

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PostCSS͕Ͱ͖ͯ ϓϥάΠϯ͕Ͱ͖ͨʁ • Ͱ΋ɺͲΕ΋ύʔεͯ͠ɺASTΛ͍͡Δ࡞ۀ͕ඞཁʹ • ͳΒ͍ͬͦreworkΈ͍ͨͳ΍ͭʹ੾Γग़ͯ͠ɺnode ͷલॲཧ͢Δ΍ͭ࡞Ζ͏ PostCSS஀ੜ

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PostCSS͕Ͱ͖ͯ ϓϥάΠϯ͕Ͱ͖ͨʁ • https://evilmartians.com/chronicles/ﬁve-years-of- postcss-state-of-the-union • https://github.com/postcss/autopreﬁxer/commit/ 419a77d4d871a1d7be34ff7129e3cbf7fb755b0c • https://qiita.com/morishitter/items/ 4a04eb144abf49f41d7d#%E6%AD%B4%E5%8F% B2

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PostCSSͰ ΦϦδφϧͷ ϓϥάΠϯΛ࡞Δ

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ͨͿΜ࣌ؒແ͍ͷͰ

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https://github.com/ tyankatsu0105/try-postcss

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PostCSSͰϓϥάΠϯ࡞ͬͯΈ ͯ • ϓϩύςΟͷ૸͕ࠪ؆୯ • ΦϒδΣΫτΛΦϓγϣϯͱͯ͠؆୯ʹઃఆͰ͖Δ • ΨΠυϥΠϯ͋ͬͨ https://github.com/postcss/ postcss/blob/master/docs/guidelines/plugin.md • ηϛίϩϯͷऔಘํ๏෼͔Βͳ͔ͬͨ(semicolon: ɹͳΒ͋ͬͨ)

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stylelint-conﬁg-ecss

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https://github.com/ tyankatsu0105/stylelint- conﬁg-ecss

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stylelint-conﬁg-ecss • namespace-ModuleName_ChildNode-variant • namespace-ComponentName_ChildNode-variant • modulename-ComponentName_ChildNode-variant

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stylelint-conﬁg-ecss • ECSS޲͚ͷstylelintϧʔϧ܈ • ͜ΕΈͯ޷͖ʹͳͬͨϧʔϧ (Vueίϯϙʔωϯτʹ ߹ΘͤͨCSSͷ໋໊نଇΛߟ͑ͨ - Qiita) • ҰԠstylelintͷ঺հ΋ECSSΨΠυ಺Ͱ΍ͬͯΔ͚ Ͳɺϧʔϧ͕ݹ͍͠ϧʔϧηοτʢconﬁgʣ͕ͳ͍ (http://ecss.io/chapter9.html#stylelint)

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·ͱΊ • PostCSS͸࿉ۚज़ͱѱຐͷੈք؍ • PostCSS͸CSSߏจͷύʔεͱηϨΫλΛఏڙ • PostCSSͷྺ࢙͸Autopreﬁxerͱڞʹ͋Δ • PostCSSϓϥάΠϯ͸؆୯ʹ࡞ΕΔ • ECSS޲͚ͷstylelint conﬁg࡞ͬͯ·͢

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͓ΘΓ

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͓·͚

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stylelint-plugin-ecss

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https://github.com/ tyankatsu0105/stylelint- plugin-ecss

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stylelint-plugin-ecss • طଘͷstylelintϧʔϧ͚ͩͰ͸ແཧͳܯࠂΛࣗ෼Ͱ ϧʔϧ࡞ͬͯࢦఠ͢ΔΑ͏ʹͨ͠ɻ • ecss/ ͷωʔϜεϖʔεͰ࢖༻Մೳ • stylelint-conﬁg-ecssͱͷซ༻Λ૝ఆͨ͠plugin

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͔Βͷ

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stylelint organization JOIN

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ࣗݾ঺հ • νϟϯΧπ(@tyankatsu5, @tyankatsu_en) • ϕΨίʔϙϨʔγϣϯ • LaigͷϑϩϯτΤϯυΤϯδχΞ • Member of Gridsome • Member of stylelint ← NEW !!

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