Om はじめの一歩

0N͸͡ΊͷҰา ʙ50%0ϦετΛ࡞ֶͬͯͿʙ $MPKVSF4DSJQUษڧձ !TOVGLPO

ࣗݾ঺հ w ͜Μʹͪ͸ w !TOVGLPOͰ͢ɻ w ϑϦʔϥϯεͰ͢ɻ w $MPKVSFͰ࢓ࣄΛ͍ͯ͠·͢ɻ

આ໌͢Δ͜ͱ w 0Nͱ͸Կ͔ʁ w 0NͰ͸ͲΜͳ෩ʹίʔυΛॻ͔͘ʁ

આ໌͠ͳ͍͜ͱ w $MPKVSF$MPKVSF4DSJQUʹ͍ͭͯ w 3FBDUͱͷൺֱ w 0NΛ࢖Θͳ͍৔߹ͱͷൺֱ

ࠓ೔ͷ໨ඪ

0NͷงғؾΛ͔ͭΉ

0Nͱ͸ʁ w 3FBDUͷ$MPKVSF4DSJQUϥούʔ w .7$ͷ7JFXʹରԠ͢ΔϥΠϒϥϦ w ಡΈํ͸ʁ w ΦϜɻ

ಛ௃ w %0.Λ௚઀ૢ࡞͢ΔͷͰ͸ͳ͘ɺঢ়ଶΛมߋ͠ ͦͷ݁Ռͱͯ͠%0.͕ߋ৽͞ΕΔ w %0.ͷϨϯμϦϯά͸7JSUVBM%0.ʹΑΔࠩ ෼ߋ৽ͷͨΊߴ଎ w Ұํ޲ͳσʔλόΠϯσΟϯάΛఏڙ͢Δ

0Nͷίʔυྫ (ns example (:require [om.core :as om] [om.dom :as dom]))
(defn widget [data owner] (reify om/IRender (render [this] (dom/h1 nil (:text data))))) (om/root widget {:text "Hello world!"} {:target (. js/document (getElementById "my-app"))})

(defn widget [data owner] (reify om/IRender (render [this] (dom/h1 nil (:text data))))) (om/root widget {:text "Hello world!"} {:target (. js/document (getElementById "my-app"))}) $PNQPOFOU

(defn widget [data owner] (reify om/IRender (render [this] (dom/h1 nil (:text data))))) (om/root widget {:text "Hello world!"} {:target (. js/document (getElementById "my-app"))}) $PNQPOFOU -JGF$ZDMF1SPUPDPM

(defn widget [data owner] (reify om/IRender (render [this] (dom/h1 nil (:text data))))) (om/root widget {:text "Hello world!"} {:target (. js/document (getElementById "my-app"))}) $PNQPOFOU -JGF$ZDMF1SPUPDPM ׳ΕΔ·ͰಡΈͮΒ͍͔΋ɻTBCMPOP PNUPPMTͳͲͷϥ ΠϒϥϦΛར༻͢Δ͜ͱͰΑΓ؆ܿʹهड़Ͱ͖Δɻ ࠓ೔͸આ໌͠·ͤΜɹ

50%0ϦετΛ࡞Δ

஫ҙࣄ߲ w ίʔυͷৄࡉ͸આ໌͠ͳ͍ w શମͱͯ͠ͲΜͳྲྀΕ͔Λҙࣝͯ͠΄͍͠

࢓༷ w 50%0Λදࣔ͢Δ͜ͱ͕Ͱ͖Δ w 50%0Λ௥Ճ͢Δ͜ͱ͕Ͱ͖Δ w 50%0Λ׬ྃऔফ͢͠Δ͜ͱ͕Ͱ͖Δ w 50%0Λ࡟আ͢Δ͜ͱ͕Ͱ͖Δ

Ͱ͖Δ΋ͷ

-FJOJOHFOͰϓϩδΣΫτ Λ࡞੒͢Δ

ςϯϓϨʔτΛ࢖͏ USFFUPEPMJTU UPEPMJTU ᵓᴷᴷ3&"%.&NE ᵓᴷᴷJOEFYIUNM ᵓᴷᴷQSPKFDUDMK ᵋᴷᴷTSD ᵋᴷᴷUPEPMJTU ᵋᴷᴷDPSFDMKT EJSFDUPSJFT
pMFT MFJOOFXNJFTPNUPEPMJTU DEUPEPMJTU MFJODMKTCVJMEPODF PQFOJOEFYIUNM UFSNJOBM PNͷ࡞ऀʹΑΔ࠷খߏ੒ͷςϯϓϨʔτ

(def app-state (atom {:text "Hello world!"})) (om/root (fn [app owner]
(reify om/IRender (render [_] (dom/h1 nil (:text app))))) app-state {:target (. js/document (getElementById "app"))}) ੜ੒͞Εͨίʔυ <html> <body> <div id="app"></div> <script src="out/todolist.js" type="text/javascript"></script> </body> </html> JOEFYIUNM DPSFDMKT

(reify om/IRender (render [_] (dom/h1 nil (:text app))))) app-state {:target (. js/document (getElementById "app"))}) ੜ੒͞Εͨίʔυ <html> <body> <div id="app"></div> <script src="out/todolist.js" type="text/javascript"></script> </body> </html> JOEFYIUNM DPSFDMKT ΞϓϦέʔγϣϯͱඳըͷؔ܎Λఆٛ

(reify om/IRender (render [_] (dom/h1 nil (:text app))))) app-state {:target (. js/document (getElementById "app"))}) ੜ੒͞Εͨίʔυ <html> <body> <div id="app"></div> <script src="out/todolist.js" type="text/javascript"></script> </body> </html> JOEFYIUNM DPSFDMKT τοϓϨϕϧͷ$PNQPOFOU

(reify om/IRender (render [_] (dom/h1 nil (:text app))))) app-state {:target (. js/document (getElementById "app"))}) ੜ੒͞Εͨίʔυ <html> <body> <div id="app"></div> <script src="out/todolist.js" type="text/javascript"></script> </body> </html> JOEFYIUNM DPSFDMKT ΞϓϦέʔγϣϯͷঢ়ଶΛ؅ཧ ରԠ෇͚

(reify om/IRender (render [_] (dom/h1 nil (:text app))))) app-state {:target (. js/document (getElementById "app"))}) ੜ੒͞Εͨίʔυ <html> <body> <div id="app"></div> <script src="out/todolist.js" type="text/javascript"></script> </body> </html> JOEFYIUNM DPSFDMKT දࣔྖҬͷରԠ෇͚

ϙΠϯτ w BUPNͰΞϓϦέʔγϣϯͷঢ়ଶΛ؅ཧ w PNDPSFSPPUͰϨϯμϦϯάͨ݁͠ՌΛදࣔ͢ Δ&MFNFOUͱͷରԠ෇͚Δ w SFOEFSͰΞϓϦʔέʔγϣϯͷঢ়ଶʹରԠͨ͠ ϨϯμϦϯά͕ߦΘΕΔ

Πϝʔδ ΞϓϦέʔγϣϯঢ়ଶ "UPN $PNQPOFOU %0. SFOEFS FWFOUঢ়ଶมߋ ରԠ෇͚ ✕ΞϓϦέʔγϣϯঢ়ଶͷมߋʹରԠͯ͠ඳըΛߋ৽͢Δ ˓ΞϓϦέʔγϣϯঢ়ଶͷมߋʹରԠͯ͠ඳը͕ߋ৽͞ΕΔ

(def app-state (atom {:todos [{:id 1 :title "ಲ೑Λങͬͯ͘Δ"} {:id 2
:title "ͨ·Ͷ͗Λങͬͯ͘Δ"} {:id 3 :title "ʹΜ͡ΜΛങͬͯ͘Δ"} {:id 4 :title "͡Ό͕͍΋Λങͬͯ͘Δ"} {:id 5 :title "ΧϨʔΛ࡞Δ"}]})) (defn- todolist-view [app owner] (reify om/IRender (render [_] (apply dom/ul nil (map #(dom/li nil (:title %)) (:todos app)))))) (om/root todolist-view app-state {:target (. js/document (getElementById "app"))}) DPSFDMKT 50%0ϦετΛදࣔ

:title "ͨ·Ͷ͗Λങͬͯ͘Δ"} {:id 3 :title "ʹΜ͡ΜΛങͬͯ͘Δ"} {:id 4 :title "͡Ό͕͍΋Λങͬͯ͘Δ"} {:id 5 :title "ΧϨʔΛ࡞Δ"}]})) (defn- todolist-view [app owner] (reify om/IRender (render [_] (apply dom/ul nil (map #(dom/li nil (:title %)) (:todos app)))))) (om/root todolist-view app-state {:target (. js/document (getElementById "app"))}) DPSFDMKT 50%0ϦετΛදࣔ ΞϓϦέʔγϣϯঢ়ଶΛઃఆ

:title "ͨ·Ͷ͗Λങͬͯ͘Δ"} {:id 3 :title "ʹΜ͡ΜΛങͬͯ͘Δ"} {:id 4 :title "͡Ό͕͍΋Λങͬͯ͘Δ"} {:id 5 :title "ΧϨʔΛ࡞Δ"}]})) (defn- todolist-view [app owner] (reify om/IRender (render [_] (apply dom/ul nil (map #(dom/li nil (:title %)) (:todos app)))))) (om/root todolist-view app-state {:target (. js/document (getElementById "app"))}) DPSFDMKT 50%0ϦετΛදࣔ $PNQPOFOUΛ࡞੒

:title "ͨ·Ͷ͗Λങͬͯ͘Δ"} {:id 3 :title "ʹΜ͡ΜΛങͬͯ͘Δ"} {:id 4 :title "͡Ό͕͍΋Λങͬͯ͘Δ"} {:id 5 :title "ΧϨʔΛ࡞Δ"}]})) (defn- todolist-view [app owner] (reify om/IRender (render [_] (apply dom/ul nil (map #(dom/li nil (:title %)) (:todos app)))))) (om/root todolist-view app-state {:target (. js/document (getElementById "app"))}) DPSFDMKT 50%0ϦετΛදࣔ

(defn- handle-key-down [e app owner] (when (= (.-keyCode e) ENTER_KEY)
(let [new-field (om/get-node owner "newField") new-todo {:id (-> (:todos app) count inc) :title (.-value new-field)}] (om/transact! app :todos #(conj % new-todo)) (set! (.-value new-field) "")))) (defn- todolist-view [app owner] (reify om/IRender (render [_] (dom/div nil (dom/input #js {:className "new-todo" :placeholder "What needs to be done?" :onKeyDown #(handle-key-down % app owner) :ref "newField"}) (apply dom/ul nil (map #(dom/li nil (:title %)) (:todos app))))))) DPSFDMKT 50%0ೖྗΛ௥Ճ

(let [new-field (om/get-node owner "newField") new-todo {:id (-> (:todos app) count inc) :title (.-value new-field)}] (om/transact! app :todos #(conj % new-todo)) (set! (.-value new-field) "")))) (defn- todolist-view [app owner] (reify om/IRender (render [_] (dom/div nil (dom/input #js {:className "new-todo" :placeholder "What needs to be done?" :onKeyDown #(handle-key-down % app owner) :ref "newField"}) (apply dom/ul nil (map #(dom/li nil (:title %)) (:todos app))))))) DPSFDMKT 50%0ೖྗΛ௥Ճ ೖྗϘοΫεΛ௥Ճ

(let [new-field (om/get-node owner "newField") new-todo {:id (-> (:todos app) count inc) :title (.-value new-field)}] (om/transact! app :todos #(conj % new-todo)) (set! (.-value new-field) "")))) (defn- todolist-view [app owner] (reify om/IRender (render [_] (dom/div nil (dom/input #js {:className "new-todo" :placeholder "What needs to be done?" :onKeyDown #(handle-key-down % app owner) :ref "newField"}) (apply dom/ul nil (map #(dom/li nil (:title %)) (:todos app))))))) DPSFDMKT 50%0ೖྗΛ௥Ճ

(let [new-field (om/get-node owner "newField") new-todo {:id (-> (:todos app) count inc) :title (.-value new-field)}] (om/transact! app :todos #(conj % new-todo)) (set! (.-value new-field) "")))) (defn- todolist-view [app owner] (reify om/IRender (render [_] (dom/div nil (dom/input #js {:className "new-todo" :placeholder "What needs to be done?" :onKeyDown #(handle-key-down % app owner) :ref "newField"}) (apply dom/ul nil (map #(dom/li nil (:title %)) (:todos app))))))) DPSFDMKT 50%0ೖྗΛ௥Ճ SFGͰࢦఆ͞Εͨ&MFNFOUΛऔಘ͢Δ

(let [new-field (om/get-node owner "newField") new-todo {:id (-> (:todos app) count inc) :title (.-value new-field)}] (om/transact! app :todos #(conj % new-todo)) (set! (.-value new-field) "")))) (defn- todolist-view [app owner] (reify om/IRender (render [_] (dom/div nil (dom/input #js {:className "new-todo" :placeholder "What needs to be done?" :onKeyDown #(handle-key-down % app owner) :ref "newField"}) (apply dom/ul nil (map #(dom/li nil (:title %)) (:todos app))))))) DPSFDMKT 50%0ೖྗΛ௥Ճ PXOFS3FBDUͷίϯϙʔωϯτʹΞΫηε͢ΔͨΊʹར༻

(let [new-field (om/get-node owner "newField") new-todo {:id (-> (:todos app) count inc) :title (.-value new-field)}] (om/transact! app :todos #(conj % new-todo)) (set! (.-value new-field) "")))) (defn- todolist-view [app owner] (reify om/IRender (render [_] (dom/div nil (dom/input #js {:className "new-todo" :placeholder "What needs to be done?" :onKeyDown #(handle-key-down % app owner) :ref "newField"}) (apply dom/ul nil (map #(dom/li nil (:title %)) (:todos app))))))) DPSFDMKT 50%0ೖྗΛ௥Ճ ΞϓϦέʔγϣϯঢ়ଶมߋ

(let [new-field (om/get-node owner "newField") new-todo {:id (-> (:todos app) count inc) :title (.-value new-field)}] (om/transact! app :todos #(conj % new-todo)) (set! (.-value new-field) "")))) (defn- todolist-view [app owner] (reify om/IRender (render [_] (dom/div nil (dom/input #js {:className "new-todo" :placeholder "What needs to be done?" :onKeyDown #(handle-key-down % app owner) :ref "newField"}) (apply dom/ul nil (map #(dom/li nil (:title %)) (:todos app))))))) DPSFDMKT 50%0ೖྗΛ௥Ճ ΞϓϦέʔγϣϯঢ়ଶมߋ (def app-state (atom {:todos [{:id 1 :title "ಲ೑Λങͬͯ͘Δ"} ɾɾɾ {:id 5 :title “ΧϨʔΛ࡞Δ”} {:id 6 :title "ΧϨʔΛ৯΂Δ"}]})) UPEP͕௥Ճ͞ΕΔ

(let [new-field (om/get-node owner "newField") new-todo {:id (-> (:todos app) count inc) :title (.-value new-field)}] (om/transact! app :todos #(conj % new-todo)) (set! (.-value new-field) "")))) (defn- todolist-view [app owner] (reify om/IRender (render [_] (dom/div nil (dom/input #js {:className "new-todo" :placeholder "What needs to be done?" :onKeyDown #(handle-key-down % app owner) :ref "newField"}) (apply dom/ul nil (map #(dom/li nil (:title %)) (:todos app))))))) DPSFDMKT 50%0ೖྗΛ௥Ճ ΞϓϦέʔγϣϯঢ়ଶมߋ SFOEFS͕࣮ߦ͞ΕΔ (def app-state (atom {:todos [{:id 1 :title "ಲ೑Λങͬͯ͘Δ"} ɾɾɾ {:id 5 :title “ΧϨʔΛ࡞Δ”} {:id 6 :title "ΧϨʔΛ৯΂Δ"}]})) UPEP͕௥Ճ͞ΕΔ

(let [new-field (om/get-node owner "newField") new-todo {:id (-> (:todos app) count inc) :title (.-value new-field)}] (om/transact! app :todos #(conj % new-todo)) (set! (.-value new-field) "")))) (defn- todolist-view [app owner] (reify om/IRender (render [_] (dom/div nil (dom/input #js {:className "new-todo" :placeholder "What needs to be done?" :onKeyDown #(handle-key-down % app owner) :ref "newField"}) (apply dom/ul nil (map #(dom/li nil (:title %)) (:todos app))))))) DPSFDMKT 50%0ೖྗΛ௥Ճ ΞϓϦέʔγϣϯঢ়ଶมߋ ߋ৽͞ΕͨUPEPT SFOEFS͕࣮ߦ͞ΕΔ (def app-state (atom {:todos [{:id 1 :title "ಲ೑Λങͬͯ͘Δ"} ɾɾɾ {:id 5 :title “ΧϨʔΛ࡞Δ”} {:id 6 :title "ΧϨʔΛ৯΂Δ"}]})) UPEP͕௥Ճ͞ΕΔ

(def app-state (atom {:todos [{:id 1 :title "ಲ೑Λങͬͯ͘Δ" :completed false}
ɾɾɾ {:id 5 :title "ΧϨʔΛ࡞Δ" :completed false}]})) (defn- todo-item [todo owner] (reify om/IRender (render [_] (let [class (if (:completed todo) "completed" "")] (dom/li nil (dom/input #js {:type "checkbox" :className "toggle" :checked (and (:completed todo) "checked") :onChange (fn [_] (om/transact! todo :completed #(not %)))}) (dom/span #js {:className class} (:title todo))))))) (defn- todolist-view [app owner] (reify om/IRender (render [_] (dom/div nil (dom/input #js {:className "new-todo" :placeholder "What needs to be done?" :onKeyDown #(handle-key-down % app owner) :ref "newField"}) (apply dom/ul nil (om/build-all todo-item (:todos app) {:key :id})))))) DPSFDMKT 50%0ͷ׬ྃऔফΛ௥Ճ

ɾɾɾ {:id 5 :title "ΧϨʔΛ࡞Δ" :completed false}]})) (defn- todo-item [todo owner] (reify om/IRender (render [_] (let [class (if (:completed todo) "completed" "")] (dom/li nil (dom/input #js {:type "checkbox" :className "toggle" :checked (and (:completed todo) "checked") :onChange (fn [_] (om/transact! todo :completed #(not %)))}) (dom/span #js {:className class} (:title todo))))))) (defn- todolist-view [app owner] (reify om/IRender (render [_] (dom/div nil (dom/input #js {:className "new-todo" :placeholder "What needs to be done?" :onKeyDown #(handle-key-down % app owner) :ref "newField"}) (apply dom/ul nil (om/build-all todo-item (:todos app) {:key :id})))))) DPSFDMKT 50%0ͷ׬ྃऔফΛ௥Ճ νΣοΫঢ়ଶΛ؅ཧ

ɾɾɾ {:id 5 :title "ΧϨʔΛ࡞Δ" :completed false}]})) (defn- todo-item [todo owner] (reify om/IRender (render [_] (let [class (if (:completed todo) "completed" "")] (dom/li nil (dom/input #js {:type "checkbox" :className "toggle" :checked (and (:completed todo) "checked") :onChange (fn [_] (om/transact! todo :completed #(not %)))}) (dom/span #js {:className class} (:title todo))))))) (defn- todolist-view [app owner] (reify om/IRender (render [_] (dom/div nil (dom/input #js {:className "new-todo" :placeholder "What needs to be done?" :onKeyDown #(handle-key-down % app owner) :ref "newField"}) (apply dom/ul nil (om/build-all todo-item (:todos app) {:key :id})))))) DPSFDMKT 50%0ͷ׬ྃऔফΛ௥Ճ UPEPΞΠςϜʹରԠ͢Δ$PNQPOFOU

ɾɾɾ {:id 5 :title "ΧϨʔΛ࡞Δ" :completed false}]})) (defn- todo-item [todo owner] (reify om/IRender (render [_] (let [class (if (:completed todo) "completed" "")] (dom/li nil (dom/input #js {:type "checkbox" :className "toggle" :checked (and (:completed todo) "checked") :onChange (fn [_] (om/transact! todo :completed #(not %)))}) (dom/span #js {:className class} (:title todo))))))) (defn- todolist-view [app owner] (reify om/IRender (render [_] (dom/div nil (dom/input #js {:className "new-todo" :placeholder "What needs to be done?" :onKeyDown #(handle-key-down % app owner) :ref "newField"}) (apply dom/ul nil (om/build-all todo-item (:todos app) {:key :id})))))) DPSFDMKT 50%0ͷ׬ྃऔফΛ௥Ճ UPEPΞΠςϜʹରԠ͢Δ$PNQPOFOU $PNQPOFOUͷ഑ஔ͸CVJMECVJMEBMMΛར༻͢Δ

ɾɾɾ {:id 5 :title "ΧϨʔΛ࡞Δ" :completed false}]})) (defn- todo-item [todo owner] (reify om/IRender (render [_] (let [class (if (:completed todo) "completed" "")] (dom/li nil (dom/input #js {:type "checkbox" :className "toggle" :checked (and (:completed todo) "checked") :onChange (fn [_] (om/transact! todo :completed #(not %)))}) (dom/span #js {:className class} (:title todo))))))) (defn- todolist-view [app owner] (reify om/IRender (render [_] (dom/div nil (dom/input #js {:className "new-todo" :placeholder "What needs to be done?" :onKeyDown #(handle-key-down % app owner) :ref "newField"}) (apply dom/ul nil (om/build-all todo-item (:todos app) {:key :id})))))) DPSFDMKT 50%0ͷ׬ྃऔফΛ௥Ճ ΞϓϦέʔγϣϯঢ়ଶΛมߋ

ɾɾɾ {:id 5 :title "ΧϨʔΛ࡞Δ" :completed false}]})) (defn- todo-item [todo owner] (reify om/IRender (render [_] (let [class (if (:completed todo) "completed" "")] (dom/li nil (dom/input #js {:type "checkbox" :className "toggle" :checked (and (:completed todo) "checked") :onChange (fn [_] (om/transact! todo :completed #(not %)))}) (dom/span #js {:className class} (:title todo))))))) (defn- todolist-view [app owner] (reify om/IRender (render [_] (dom/div nil (dom/input #js {:className "new-todo" :placeholder "What needs to be done?" :onKeyDown #(handle-key-down % app owner) :ref "newField"}) (apply dom/ul nil (om/build-all todo-item (:todos app) {:key :id})))))) DPSFDMKT 50%0ͷ׬ྃऔফΛ௥Ճ ΞϓϦέʔγϣϯঢ়ଶΛมߋ DPNQMFUFEΛUSVFʹมߋ

ɾɾɾ {:id 5 :title "ΧϨʔΛ࡞Δ" :completed false}]})) (defn- todo-item [todo owner] (reify om/IRender (render [_] (let [class (if (:completed todo) "completed" "")] (dom/li nil (dom/input #js {:type "checkbox" :className "toggle" :checked (and (:completed todo) "checked") :onChange (fn [_] (om/transact! todo :completed #(not %)))}) (dom/span #js {:className class} (:title todo))))))) (defn- todolist-view [app owner] (reify om/IRender (render [_] (dom/div nil (dom/input #js {:className "new-todo" :placeholder "What needs to be done?" :onKeyDown #(handle-key-down % app owner) :ref "newField"}) (apply dom/ul nil (om/build-all todo-item (:todos app) {:key :id})))))) DPSFDMKT 50%0ͷ׬ྃऔফΛ௥Ճ ΞϓϦέʔγϣϯঢ়ଶΛมߋ DPNQMFUFEΛUSVFʹมߋ SFOEFS͕࣮ߦ͞ΕΔ

ɾɾɾ {:id 5 :title "ΧϨʔΛ࡞Δ" :completed false}]})) (defn- todo-item [todo owner] (reify om/IRender (render [_] (let [class (if (:completed todo) "completed" "")] (dom/li nil (dom/input #js {:type "checkbox" :className "toggle" :checked (and (:completed todo) "checked") :onChange (fn [_] (om/transact! todo :completed #(not %)))}) (dom/span #js {:className class} (:title todo))))))) (defn- todolist-view [app owner] (reify om/IRender (render [_] (dom/div nil (dom/input #js {:className "new-todo" :placeholder "What needs to be done?" :onKeyDown #(handle-key-down % app owner) :ref "newField"}) (apply dom/ul nil (om/build-all todo-item (:todos app) {:key :id})))))) DPSFDMKT 50%0ͷ׬ྃऔফΛ௥Ճ ΞϓϦέʔγϣϯঢ়ଶΛมߋ DPNQMFUFEΛUSVFʹมߋ SFOEFS͕࣮ߦ͞ΕΔ ߋ৽͞ΕͨUPEP

ɾɾɾ {:id 5 :title "ΧϨʔΛ࡞Δ" :completed false}]})) (defn- todo-item [todo owner] (reify om/IRender (render [_] (let [class (if (:completed todo) "completed" "")] (dom/li nil (dom/input #js {:type "checkbox" :className "toggle" :checked (and (:completed todo) "checked") :onChange (fn [_] (om/transact! todo :completed #(not %)))}) (dom/span #js {:className class} (:title todo))))))) (defn- todolist-view [app owner] (reify om/IRender (render [_] (dom/div nil (dom/input #js {:className "new-todo" :placeholder "What needs to be done?" :onKeyDown #(handle-key-down % app owner) :ref "newField"}) (apply dom/ul nil (om/build-all todo-item (:todos app) {:key :id})))))) DPSFDMKT 50%0ͷ׬ྃऔফΛ௥Ճ ΞϓϦέʔγϣϯঢ়ଶΛมߋ DPNQMFUFEΛUSVFʹมߋ SFOEFS͕࣮ߦ͞ΕΔ ߋ৽͞ΕͨUPEP SFOEFS͕࣮ߦ͞ΕΔ

(defn- todo-item [todo owner] (reify om/IRender (render [_] (let [class
(if (:completed todo) "completed" "")] (dom/li nil (dom/input #js {:type "checkbox" :className "toggle" :checked (and (:completed todo) "checked") :onChange (fn [_] (om/transact! todo :completed #(not %)))}) (dom/span #js {:className class} (:title todo)) (dom/span #js {:className "delete" :onClick (fn [] (println "remove:" todo) )} "[x]")))))) λάΛ௥Ճ DPSFDMKT ࡟আϘλϯ

਌ࢠؔ܎ w $PNQPOFOUʹ͸਌ࢠؔ܎͕͋Δ w UPEPMJTUWJFX͕਌ͰUPEPJUFN͕ࢠ ڞୡ w ਌͔Βࢠɺࢠ͔Β਌΁σʔλΛ౉͢ํ๏͸ҟͳ Δ

਌͔Βࢠ΁ w CVJMECVJMEBMMͰࢠͷ$PNQPOFOUΛ࡞੒͢Δ ࡍʹҾ਺Ͱ౉͢

ࢠ͔Β਌΁ w DPSFBTZODΛར༻ͯ͠σʔλΛ౉͢ ଞͷํ๏΋͋Δ w ਌ଆͰDIBOOFMΛ࡞੒ɺCVJME࣌ʹࢠʹ౉͢ w ࢠଆͰड͚औͬͨDIBOOFMΛར༻ͯ͠਌ʹใࠂ ͢Δ

DPSFBTZOD (ns todolist.core (:require-macros [cljs.core.async.macros :refer [go-loop]]) (:require [om.core :as
om] [om.dom :as dom] [cljs.core.async :refer [chan <! put!]])) QSPKFDUDMK DPSFDMKT :dependencies [[org.clojure/clojure "1.7.0-beta1"] [org.clojure/clojurescript "0.0-3208"] [org.omcljs/om "0.8.8"] [org.clojure/core.async "0.1.346.0-17112a-alpha"]] ඇಉظॲཧΛߦ͏ͨΊͷϥΠϒϥϦ

(defn- todolist-view [app owner] (reify om/IInitState (init-state [_] {:ch (chan)})
om/IWillMount (will-mount [_] (let [ch (om/get-state owner :ch)] (go-loop [] (let [todo (<! ch)] (println "remove: " todo) (om/transact! app :todos (fn [todos] (vec (remove #(= (:id todo) (:id %)) todos)))) (recur))))) om/IRenderState … DPSFDMKT ਌ͷઃఆ ࢠ͔Β࡟আର৅ͷUPEPΛड͚औΕΔΑ͏ʹ͢Δ

om/IWillMount (will-mount [_] (let [ch (om/get-state owner :ch)] (go-loop [] (let [todo (<! ch)] (println "remove: " todo) (om/transact! app :todos (fn [todos] (vec (remove #(= (:id todo) (:id %)) todos)))) (recur))))) om/IRenderState … DPSFDMKT ਌ͷઃఆ ࢠ͔Β࡟আର৅ͷUPEPΛड͚औΕΔΑ͏ʹ͢Δ $PNQPOFOUϩʔΧϧͳঢ়ଶΛॳظԽ

om/IWillMount (will-mount [_] (let [ch (om/get-state owner :ch)] (go-loop [] (let [todo (<! ch)] (println "remove: " todo) (om/transact! app :todos (fn [todos] (vec (remove #(= (:id todo) (:id %)) todos)))) (recur))))) om/IRenderState … DPSFDMKT ਌ͷઃఆ ࢠ͔Β࡟আର৅ͷUPEPΛड͚औΕΔΑ͏ʹ͢Δ $PNQPOFOUϩʔΧϧͳঢ়ଶΛॳظԽ $PNQPOFOU͕Ϛ΢ϯτ͞ΕΔࡍʹҰճ͚ͩݺ͹ΕΔ

om/IWillMount (will-mount [_] (let [ch (om/get-state owner :ch)] (go-loop [] (let [todo (<! ch)] (println "remove: " todo) (om/transact! app :todos (fn [todos] (vec (remove #(= (:id todo) (:id %)) todos)))) (recur))))) om/IRenderState … DPSFDMKT ਌ͷઃఆ ࢠ͔Β࡟আର৅ͷUPEPΛड͚औΕΔΑ͏ʹ͢Δ $PNQPOFOUϩʔΧϧͳঢ়ଶΛॳظԽ $PNQPOFOU͕Ϛ΢ϯτ͞ΕΔࡍʹҰճ͚ͩݺ͹ΕΔ ࢠ͔Β࡟আର৅ͷUPEPΛड͚औΔ

om/IWillMount (will-mount [_] (let [ch (om/get-state owner :ch)] (go-loop [] (let [todo (<! ch)] (println "remove: " todo) (om/transact! app :todos (fn [todos] (vec (remove #(= (:id todo) (:id %)) todos)))) (recur))))) om/IRenderState … DPSFDMKT ਌ͷઃఆ ࢠ͔Β࡟আର৅ͷUPEPΛड͚औΕΔΑ͏ʹ͢Δ $PNQPOFOUϩʔΧϧͳঢ়ଶΛॳظԽ $PNQPOFOU͕Ϛ΢ϯτ͞ΕΔࡍʹҰճ͚ͩݺ͹ΕΔ ࢠ͔Β࡟আର৅ͷUPEPΛड͚औΔ ΞϓϦέʔγϣϯঢ়ଶ͸ WFDUPSPSNBQΛར༻͢Δඞཁ͋Γ

(defn- todolist-view [app owner] (reify om/IInitState … om/IWillMount … om/IRenderState
(render-state [_ state] (dom/div nil (dom/input #js {:className "new-todo" :placeholder "What needs to be done?" :onKeyDown #(handle-key-down % app owner) :ref "newField"}) (apply dom/ul nil (om/build-all todo-item (:todos app) {:init-state {:ch (:ch state)} :key :id})))))) DPSFDMKT ਌ͷઃఆ

(render-state [_ state] (dom/div nil (dom/input #js {:className "new-todo" :placeholder "What needs to be done?" :onKeyDown #(handle-key-down % app owner) :ref "newField"}) (apply dom/ul nil (om/build-all todo-item (:todos app) {:init-state {:ch (:ch state)} :key :id})))))) DPSFDMKT ਌ͷઃఆ ϩʔΧϧͳঢ়ଶΛࢀর͢ΔͨΊ *3FOEFS͔Β*3FOEFS4UBUFʹมߋ

(render-state [_ state] (dom/div nil (dom/input #js {:className "new-todo" :placeholder "What needs to be done?" :onKeyDown #(handle-key-down % app owner) :ref "newField"}) (apply dom/ul nil (om/build-all todo-item (:todos app) {:init-state {:ch (:ch state)} :key :id})))))) DPSFDMKT ਌ͷઃఆ ϩʔΧϧͳঢ়ଶΛࢀর͢ΔͨΊ *3FOEFS͔Β*3FOEFS4UBUFʹมߋ ࢠͷॳظঢ়ଶΛઃఆ

DPSFDMKT ࢠͷઃఆ ਌ʹ࡟আର৅ͷUPEPΛ஌ΒͤΔ (defn- todo-item [todo owner] (reify om/IRenderState (render-state
[_ state] (let [class (if (:completed todo) "completed" "")] (dom/li nil (dom/input #js {:type "checkbox" :className "toggle" :checked (and (:completed todo) "checked") :onChange (fn [_] (om/transact! todo :completed #(not %)))}) (dom/span #js {:className class} (:title todo)) (dom/span #js {:className "delete" :onClick #(put! (:ch state) todo)} "[x]"))))))

DPSFDMKT ࢠͷઃఆ ਌ʹ࡟আର৅ͷUPEPΛ஌ΒͤΔ *3FOEFS*3FOEFS4UBUF ਌͔Β౉͞Εͨঢ়ଶΛࢀর͢ΔͨΊ (defn- todo-item [todo owner] (reify
om/IRenderState (render-state [_ state] (let [class (if (:completed todo) "completed" "")] (dom/li nil (dom/input #js {:type "checkbox" :className "toggle" :checked (and (:completed todo) "checked") :onChange (fn [_] (om/transact! todo :completed #(not %)))}) (dom/span #js {:className class} (:title todo)) (dom/span #js {:className "delete" :onClick #(put! (:ch state) todo)} "[x]"))))))

DPSFDMKT ࢠͷઃఆ ਌ʹ࡟আର৅ͷUPEPΛ஌ΒͤΔ *3FOEFS*3FOEFS4UBUF ਌͔Β౉͞Εͨঢ়ଶΛࢀর͢ΔͨΊ ਌΁࡟আΛґཔ (defn- todo-item [todo owner]
(reify om/IRenderState (render-state [_ state] (let [class (if (:completed todo) "completed" "")] (dom/li nil (dom/input #js {:type "checkbox" :className "toggle" :checked (and (:completed todo) "checked") :onChange (fn [_] (om/transact! todo :completed #(not %)))}) (dom/span #js {:className class} (:title todo)) (dom/span #js {:className "delete" :onClick #(put! (:ch state) todo)} "[x]"))))))

׬੒ʂ w 50%0Λදࣔ͢Δ͜ͱ͕Ͱ͖Δ w 50%0Λ௥Ճ͢Δ͜ͱ͕Ͱ͖Δ w 50%0Λ׬ྃऔফ͢͠Δ͜ͱ͕Ͱ͖Δ w 50%0Λ࡟আ͢Δ͜ͱ͕Ͱ͖Δ

·ͱΊ

·ͱΊ w $PNQPOFOU୯ҐͰ։ൃΛߦ͏ ‎ -JGF$ZDMF1SPUPDPMͷ࣮૷Λهड़ w $PNQPOFOUʹ͸਌ࢠؔ܎͕͋Δ ‎ ਌͔Βࢠ΁ͷσʔλ౉͠ CVJME࣌ʹ౉͢
‎ ࢠ͔Β਌΁ͷσʔλ౉͠ DPSFBTZODΛར༻ w ΞϓϦέʔγϣϯঢ়ଶΛมߋ͠ɺඳը %0. Λߋ৽ͤ͞Δ ‎ σʔλϑϩʔ͸Ұํ޲

ೋา໨Λ౿Έग़͢ w #BTJD5VUPSJBM ‎ ຊՈνϡʔτϦΞϧɻΘ͔Γ΍͍͢ɻ w 0Nɾ5PEP.7$ ‎ ΋͏গ͠ຊ֨తͳ50%0Ϧετͷ࡞੒Λֶ΂Δɻ࡞੒͍ͯ͠Δͷ͸0Nͷ࡞ऀɻ w
PNFYBNQMFT ‎ ຊՈͷαϯϓϧɻݸผͷػೳຖͷαϯϓϧ͕๛෋ɻ w PNDPPLCPPL ‎ 0NͰͷϧʔςΟϯά΍όϦσʔγϣϯͳͲɺ࣮ફతͳϨγϐू w %PDVNFOUBUJPO ‎ ຊՈͷυΩϡϝϯτɻ"1*ͷ࢖͍ํΛ֬ೝɻ

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