2017-09-28 22:10:22 +00:00
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(ns sitetools.prerender
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2018-04-16 17:50:32 +00:00
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(:require [reagentdemo.core :as demo]
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[clojure.string :as string]
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[goog.events :as evt]
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[reagent.core :as r]
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[reagent.dom.server :as server]
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[reagent.debug :refer-macros [dbg log dev?]]
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2017-09-28 22:10:22 +00:00
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[sitetools.core :as tools]
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2018-04-16 17:50:32 +00:00
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;; Node libs
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[path :as path]
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[md5-file :as md5-file]
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[path :as path]
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[fs :as fs]))
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(defn base [page]
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(let [depth (->> page tools/to-relative (re-seq #"/") count)]
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(->> "../" (repeat depth) (apply str))))
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(defn danger [t s]
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[t {:dangerouslySetInnerHTML {:__html s}}])
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(defn add-cache-buster [resource-path path]
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(let [h (md5-file/sync (path/join resource-path path))]
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(str path "?" (subs h 0 6))))
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(defn html-template [{:keys [title body-html page-conf
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js-file css-file main-div
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js-resource-path site-dir]}]
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(server/render-to-static-markup
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[:html
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[:head
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[:meta {:charset 'utf-8}]
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[:meta {:name 'viewport
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:content "width=device-width, initial-scale=1.0"}]
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[:base {:href (-> page-conf :page-path base)}]
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[:link {:href (add-cache-buster site-dir css-file)
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:rel "stylesheet"}]
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[:title title]]
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[:body
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[:div
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{:id main-div}
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(danger :div body-html)]
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(danger :script (str "var pageConfig = "
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(-> page-conf clj->js js/JSON.stringify)))
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[:script {:src (add-cache-buster js-resource-path js-file)
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:type "text/javascript"}]]]))
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(defn gen-page [page-path conf]
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(tools/emit [:set-page page-path])
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(let [conf (merge conf @tools/config)
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b (:body conf)
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bhtml (server/render-to-string b)]
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(str "<!doctype html>\n"
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(html-template (assoc conf
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:page-conf {:page-path page-path}
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:body-html bhtml)))))
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(defn mkdirs [f]
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(doseq [d (reductions #(str %1 "/" %2)
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(-> (path/normalize f)
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(string/split #"/")))]
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(when-not (fs/existsSync d)
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(fs/mkdirSync d))))
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(defn write-file [f content]
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(log "Write" f)
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(mkdirs (path/dirname f))
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(fs/writeFileSync f content))
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(defn write-resources [dir {:keys [css-file css-infiles]}]
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(write-file (path/join dir css-file)
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(->> css-infiles
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(map #(fs/readFileSync %))
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(string/join "\n"))))
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2017-09-28 22:10:22 +00:00
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(defn -main [& args]
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(log "Generating site")
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2017-10-18 11:25:41 +00:00
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(demo/init!)
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2018-04-16 17:41:18 +00:00
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(let [[js-resource-path] args
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{:keys [site-dir pages] :as conf} (assoc @tools/config :js-resource-path js-resource-path)]
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2018-04-16 17:50:32 +00:00
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(write-resources site-dir conf)
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2017-09-28 22:10:22 +00:00
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(doseq [f (keys pages)]
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2018-04-16 17:50:32 +00:00
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(write-file (->> f tools/to-relative (path/join site-dir))
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(gen-page f conf))))
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2017-10-18 11:25:41 +00:00
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(log "Wrote site")
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(js/process.exit 0))
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2017-09-28 22:10:22 +00:00
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(set! *main-cli-fn* -main)
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