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core.cljc
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(ns figwheel.core
(:require
#?@(:cljs
[[figwheel.tools.heads-up :as heads-up]
[goog.object :as gobj]
[goog.string :as gstring]
[goog.string.format]
[goog.log :as glog]])
[clojure.set :refer [difference]]
[clojure.string :as string]
#?@(:clj
[[cljs.env :as env]
[cljs.compiler]
[cljs.closure]
[cljs.repl]
[cljs.analyzer :as ana]
[cljs.build.api :as bapi]
[clojure.data.json :as json]
[clojure.java.io :as io]
[clojure.edn :as edn]
[clojure.tools.reader :as redr]
[clojure.tools.reader.edn :as redn]
[clojure.tools.reader.reader-types :as rtypes]
[figwheel.tools.exceptions :as fig-ex]]))
#?(:cljs (:require-macros [figwheel.core]))
(:import #?@(:cljs [[goog.debug Console]
[goog.async Deferred]
[goog Promise]
[goog.events EventTarget Event]])))
;; -------------------------------------------------
;; utils
;; -------------------------------------------------
(defn distinct-by [f coll]
(let [seen (volatile! #{})]
(filter #(let [k (f %)
res (not (@seen k))]
(vswap! seen conj k)
res)
coll)))
(defn map-keys [f coll]
(into {}
(map (fn [[k v]] [(f k) v]))
coll))
;; ------------------------------------------------------
;; inline code message formatting
;; ------------------------------------------------------
(def ^:dynamic *inline-code-message-max-column* 80)
(defn wrap-line [text size]
(re-seq (re-pattern (str ".{1," size "}\\s|.{1," size "}"))
(str (string/replace text #"\n" " ") " ")))
(defn cross-format [& args]
(apply #?(:clj format :cljs gstring/format) args))
;; TODO this could be more sophisticated
(defn- pointer-message-lines [{:keys [message column]}]
(if (> (+ column (count message)) *inline-code-message-max-column*)
(->> (wrap-line message (- *inline-code-message-max-column* 10))
(map #(cross-format (str "%" *inline-code-message-max-column* "s") %))
(cons (cross-format (let [col (dec column)]
(str "%"
(when-not (zero? col) col)
"s%s"))
"" "^---"))
(mapv #(vec (concat [:error-message nil] [%]))))
[[:error-message nil (cross-format
(let [col (dec column)]
(str "%"
(when-not (zero? col) col)
"s%s %s" ))
"" "^---" message)]]))
(defn inline-message-display-data [{:keys [message line column file-excerpt] :as message-data}]
(when file-excerpt
(let [{:keys [start-line path excerpt]} file-excerpt
lines (map-indexed
(fn [i l] (let [ln (+ i start-line)]
(vector (if (= line ln) :error-in-code :code-line) ln l)))
(string/split-lines excerpt))
[begin end] (split-with #(not= :error-in-code (first %)) lines)]
(concat
(take-last 5 begin)
(take 1 end)
(pointer-message-lines message-data)
(take 5 (rest end))))))
(defn file-line-column [{:keys [file line column]}]
(cond-> ""
file (str "file " file)
line (str " at line " line)
(and line column) (str ", column " column)))
#?(:cljs
(do
;; --------------------------------------------------
;; Logging
;; --------------------------------------------------
;;
;; Levels
;; goog.debug.Logger.Level.(SEVERE WARNING INFO CONFIG FINE FINER FINEST)
;;
;; set level (.setLevel logger goog.debug.Logger.Level.INFO)
;; disable (.setCapturing log-console false)
(defonce logger (glog/getLogger "Figwheel"))
(defn ^:export console-logging []
(when-not (gobj/get goog.debug.Console "instance")
(let [c (goog.debug.Console.)]
;; don't display time
(doto (.getFormatter c)
(gobj/set "showAbsoluteTime" false)
(gobj/set "showRelativeTime" false))
(gobj/set goog.debug.Console "instance" c)
c))
(when-let [console-instance (gobj/get goog.debug.Console "instance")]
(.setCapturing console-instance true)
true))
(defonce log-console (console-logging))
;; --------------------------------------------------
;; Cross Platform event dispatch
;; --------------------------------------------------
(def ^:export event-target (if (exists? js/document)
js/document
(EventTarget.)))
(defonce listener-key-map (atom {}))
(defn unlisten [ky event-name]
(when-let [f (get @listener-key-map ky)]
(.removeEventListener event-target (name event-name) f)))
(defn listen [ky event-name f]
(unlisten ky event-name)
(.addEventListener event-target (name event-name) f)
(swap! listener-key-map assoc ky f))
(defn dispatch-event [event-name data]
(.dispatchEvent
event-target
(doto (if (instance? EventTarget event-target)
(Event. (name event-name) event-target)
(js/Event. (name event-name) event-target))
(gobj/add "data" (or data {})))))
(defn event-data [e]
(gobj/get
(if-let [e (.-event_ e)] e e)
"data"))
;; ------------------------------------------------------------
;; Global state
;; ------------------------------------------------------------
(goog-define load-warninged-code false)
(goog-define heads-up-display true)
(defonce state (atom {::reload-state {}}))
;; ------------------------------------------------------------
;; Heads up display logic
;; ------------------------------------------------------------
;; TODO could move the state atom and heads up display logic to heads-up display
;; TODO could probably make it run completely off of events emitted here
(defn heads-up-display? []
(and heads-up-display
(not (nil? goog/global.document))))
(let [last-reload-timestamp (atom 0)
promise-chain (Promise. (fn [r _] (r true)))]
(defn render-watcher [_ _ o n]
(when (heads-up-display?)
;; a new reload has arrived
(if-let [ts (when-let [ts (get-in n [::reload-state :reload-started])]
(and (< @last-reload-timestamp ts) ts))]
(let [warnings (not-empty (get-in n [::reload-state :warnings]))
exception (get-in n [::reload-state :exception])]
(reset! last-reload-timestamp ts)
(cond
warnings
(.then promise-chain
(fn [] (let [warn (first warnings)]
(binding [*inline-code-message-max-column* 132]
(.then (heads-up/display-warning (assoc warn :error-inline (inline-message-display-data warn)))
(fn []
(doseq [w (rest warnings)]
(heads-up/append-warning-message w))))))))
exception
(.then promise-chain
(fn []
(binding [*inline-code-message-max-column* 132]
(heads-up/display-exception
(assoc exception :error-inline (inline-message-display-data exception))))))
:else
(.then promise-chain (fn [] (heads-up/flash-loaded)))))))))
(add-watch state ::render-watcher render-watcher)
;; ------------------------------------------------------------
;; Namespace reloading
;; ------------------------------------------------------------
(defn immutable-ns? [ns]
(let [ns (name ns)]
(or (#{"goog" "cljs.core" "cljs.nodejs"
"figwheel.preload"
"figwheel.connect"} ns)
(goog.string/startsWith "clojure." ns)
(goog.string/startsWith "goog." ns))))
(defn ns-exists? [ns]
(some? (reduce (fnil gobj/get #js{})
goog.global (string/split (name ns) "."))))
(defn reload-ns? [namespace]
(let [meta-data (meta namespace)]
(and
(not (immutable-ns? namespace))
(not (:figwheel-no-load meta-data))
(or
(:figwheel-always meta-data)
(:figwheel-load meta-data)
;; don't reload it if it doesn't exist
(ns-exists? namespace)))))
;; ----------------------------------------------------------------
;; TODOS
;; ----------------------------------------------------------------
;; look at what metadata you are sending when you reload namespaces
;; don't unprovide for things with no-load meta data
;; look more closely at getting a signal for reloading from the env/compiler
;; have an interface that just take the current compiler env and returns a list of namespaces to reload
;; ----------------------------------------------------------------
;; reloading namespaces
;; ----------------------------------------------------------------
(defn call-hooks [hook-key & args]
(let [hooks (keep (fn [[n mdata]]
(when-let [f (get-in mdata [:figwheel-hooks hook-key])]
[n f]))
(:figwheel.core/metadata @state))]
(doseq [[n f] hooks]
(if-let [hook (reduce #(when %1
(gobj/get %1 %2))
goog.global
(map str (concat (string/split n #"\.") [f])))]
(do
(glog/info logger (str "Calling " (pr-str hook-key) " hook - " n "." f))
(apply hook args))
(glog/warning logger (str "Unable to find " (pr-str hook-key) " hook - " n "." f))))))
(defn ^:export reload-namespaces [namespaces figwheel-meta]
;; reconstruct serialized data
(let [figwheel-meta (into {}
(map (fn [[k v]] [(name k) v]))
(js->clj figwheel-meta :keywordize-keys true))
namespaces (map #(with-meta (symbol %)
(get figwheel-meta %))
namespaces)]
(swap! state #(-> %
(assoc ::metadata figwheel-meta)
(assoc-in [::reload-state :reload-started] (.getTime (js/Date.)))))
(let [to-reload
(when-not (and (not load-warninged-code)
(not-empty (get-in @state [::reload-state :warnings])))
(filter #(reload-ns? %) namespaces))]
(when-not (empty? to-reload)
(call-hooks :before-load {:namespaces namespaces})
(js/setTimeout #(dispatch-event :figwheel.before-load {:namespaces namespaces}) 0))
(doseq [ns to-reload]
;; goog/require has to be patched by a repl bootstrap
(goog/require (name ns) true))
(let [after-reload-fn
(fn []
(try
(when (not-empty to-reload)
(glog/info logger (str "loaded " (pr-str to-reload)))
(call-hooks :after-load {:reloaded-namespaces to-reload})
(dispatch-event :figwheel.after-load {:reloaded-namespaces to-reload}))
(when-let [not-loaded (not-empty (filter (complement (set to-reload)) namespaces))]
(glog/info logger (str "did not load " (pr-str not-loaded))))
(finally
(swap! state assoc ::reload-state {}))))]
(if (and (exists? js/figwheel.repl)
(exists? js/figwheel.repl.after_reloads))
(js/figwheel.repl.after_reloads after-reload-fn)
(js/setTimeout after-reload-fn 100)))
nil)))
;; ----------------------------------------------------------------
;; compiler warnings
;; ----------------------------------------------------------------
(defn ^:export compile-warnings [warnings]
(when-not (empty? warnings)
(js/setTimeout #(dispatch-event :figwheel.compile-warnings {:warnings warnings}) 0))
(swap! state update-in [::reload-state :warnings] concat warnings)
(doseq [warning warnings]
(glog/warning logger (str "Compile Warning - " (:message warning) " in " (file-line-column warning)))))
(defn ^:export compile-warnings-remote [warnings-json]
(compile-warnings (js->clj warnings-json :keywordize-keys true)))
;; ----------------------------------------------------------------
;; exceptions
;; ----------------------------------------------------------------
(defn ^:export handle-exception [{:keys [file type message] :as exception-data}]
(try
(js/setTimeout #(dispatch-event :figwheel.compile-exception exception-data) 0)
(swap! state #(-> %
(assoc-in [::reload-state :reload-started] (.getTime (js/Date.)))
(assoc-in [::reload-state :exception] exception-data)))
(glog/warning
logger
(cond-> "Compile Exception - "
(or type message) (str (string/join " : " (filter some? [type message])))
file (str " in " (file-line-column exception-data))))
(finally
(swap! state assoc-in [::reload-state] {}))))
(defn ^:export handle-exception-remote [exception-data]
(handle-exception (js->clj exception-data :keywordize-keys true)))))
#?(:clj
(do
(def ^:dynamic *config* {:hot-reload-cljs true
:broadcast-reload true
:reload-dependents true})
(defn debug-prn [& args]
(binding [*out* *err*]
(apply prn args)))
(def scratch (atom {}))
(defonce last-compiler-env (atom {}))
(defn client-eval [code]
(when-not (string/blank? code)
(cljs.repl/-evaluate
(cond-> cljs.repl/*repl-env*
(:broadcast-reload *config* true)
(assoc :broadcast true))
"<cljs repl>" 1
code)))
(defn hooks-for-namespace [ns]
(into {}
(keep
(fn [[k v]]
(when-let [hook (first
(filter
(set (keys (:meta v)))
[:before-load :after-load]))]
[hook
(cljs.compiler/munge k)]))
(get-in @cljs.env/*compiler* [:cljs.analyzer/namespaces ns :defs]))))
(defn find-figwheel-meta []
(into {}
(comp
(map :ns)
(map (juxt
identity
#(select-keys
(meta %)
[:figwheel-always :figwheel-load :figwheel-no-load :figwheel-hooks])))
(filter (comp not-empty second))
(map (fn [[ns m]]
(if (:figwheel-hooks m)
[ns (assoc m :figwheel-hooks (hooks-for-namespace ns))]
[ns m]))))
(:sources @env/*compiler*)))
(defn in-upper-level? [topo-state current-depth dep]
(some (fn [[_ v]] (and v (v dep)))
(filter (fn [[k v]] (> k current-depth)) topo-state)))
(defn build-topo-sort [get-deps]
(let [get-deps (memoize get-deps)]
(letfn [(topo-sort-helper* [x depth state]
(let [deps (get-deps x)]
(when-not (empty? deps) (topo-sort* deps depth state))))
(topo-sort*
([deps]
(topo-sort* deps 0 (atom (sorted-map))))
([deps depth state]
(swap! state update-in [depth] (fnil into #{}) deps)
(doseq [dep deps]
(when (and dep (not (in-upper-level? @state depth dep)))
(topo-sort-helper* dep (inc depth) state)))
(when (= depth 0)
(elim-dups* (reverse (vals @state))))))
(elim-dups* [[x & xs]]
(if (nil? x)
(list)
(cons x (elim-dups* (map #(clojure.set/difference % x) xs)))))]
topo-sort*)))
(defn invert-deps [sources]
(apply merge-with concat
{}
(map (fn [{:keys [requires ns]}]
(reduce #(assoc %1 %2 [ns]) {} requires))
sources)))
(defn expand-to-dependents [deps]
(reverse (apply concat
((build-topo-sort (invert-deps (:sources @env/*compiler*)))
deps))))
(defn sources-with-paths [files sources]
(let [files (set files)]
(filter
#(when-let [source-file (:source-file %)]
(when (instance? java.io.File source-file)
(files (.getCanonicalPath source-file))))
sources)))
(defn js-dependencies-with-file-urls [js-dependency-index]
(distinct-by :url
(filter #(when-let [u (:url %)]
(= "file" (.getProtocol u)))
(vals js-dependency-index))))
(defn js-dependencies-with-paths [files js-dependency-index]
(let [files (set files)]
(distinct
(filter
#(when-let [source-file (.getFile (:url %))]
(files source-file))
(js-dependencies-with-file-urls js-dependency-index)))))
(defn read-clj-forms [eof file]
(let [reader (rtypes/source-logging-push-back-reader (io/reader file))]
(repeatedly
#(try
(redr/read {:read-cond :allow :features #{:clj} :eof eof} reader)
(catch Throwable t
eof)))))
(defn parse-clj-ns [file]
(let [eof (Object.)
res (first
(filter #(or
(= eof %)
(and (list? %)
(= (first %) 'ns)))
(read-clj-forms eof file)))]
(when (not= res eof)
(second res))))
(defn clj-paths->namespaces [paths]
(->> paths
(map io/file)
(filter #(.isFile %))
(keep parse-clj-ns)
distinct))
(defn figwheel-always-namespaces [figwheel-ns-meta]
(keep (fn [[k v]] (when (:figwheel-always v) k))
figwheel-ns-meta))
(defn sources->namespaces-to-reload [sources]
(let [namespace-syms (map :ns (filter :source-file sources))]
(distinct
(concat
(cond-> namespace-syms
(and (not-empty namespace-syms)
(:reload-dependents *config* true))
expand-to-dependents)
(map symbol
(mapcat :provides (filter :url sources)))))))
(defn paths->namespaces-to-reload [paths]
(let [cljs-paths (filter #(or (.endsWith % ".cljs")
(.endsWith % ".cljc"))
paths)
js-paths (filter #(.endsWith % ".js") paths)
clj-paths (filter #(.endsWith % ".clj") paths)]
(distinct
(concat
(sources->namespaces-to-reload
(concat
(when-not (empty? cljs-paths)
(sources-with-paths cljs-paths (:sources @env/*compiler*)))
(when-not (empty? js-paths)
(js-dependencies-with-paths
js-paths
(:js-dependency-index @env/*compiler*)))))
(when-not (empty? clj-paths)
(bapi/cljs-dependents-for-macro-namespaces
env/*compiler*
(clj-paths->namespaces clj-paths)))))))
(defn require-map [env]
(->> env
:sources
(map (juxt :ns :requires))
(into {})))
(defn changed-dependency-tree? [previous-compiler-env compiler-env]
(not= (require-map previous-compiler-env) (require-map compiler-env)))
(defn get-sources [ns-sym opts]
(seq
(when-not (ana/node-module-dep? ns-sym)
(when-let [input (try (cljs.repl/ns->input ns-sym opts)
(catch Throwable t nil))]
(if (contains? input :source-file)
(->> (cljs.closure/compile-inputs [input]
(merge {:optimizations :none
:npm-deps false}
opts))
(remove (comp #{["goog"]} :provides)))
(map #(cljs.closure/source-on-disk opts %)
(cljs.closure/add-js-sources [input] opts)))))))
(defn add-dependencies-js [ns-sym opts]
(let [sb (StringBuffer.)]
(doseq [source (get-sources ns-sym opts)]
(with-open [rdr (io/reader (:url source))]
(.append sb (cljs.closure/add-dep-string opts source))))
(.toString sb)))
(defn all-add-dependencies [ns-syms opts]
(string/join
"\n"
(distinct
(mapcat #(filter
(complement string/blank?)
(string/split-lines %))
(concat
;; this is strange because foreign libs aren't being included in add-dependencies above
(let [deps-file (io/file (:output-dir opts "out") "cljs_deps.js")]
(when-let [deps-data (and (.isFile deps-file) (slurp deps-file))]
(when-not (string/blank? deps-data)
[deps-data])))
(filter
#(string? %)
(keep
#(add-dependencies-js % opts)
ns-syms)))))))
(defn output-dir []
(-> @env/*compiler* :options :output-dir (or "out")))
(defn root-namespaces [env]
(clojure.set/difference (->> env :sources (mapv :ns) (into #{}))
(->> env :sources (map :requires) (reduce into #{}))))
;; TODO since this is the only fn that needs state perhaps isolate
;; last compiler state here?
(defn all-dependency-code [ns-syms]
(let [last-env (get @last-compiler-env env/*compiler*)]
(when (or (nil? last-env) (changed-dependency-tree? last-env @env/*compiler*))
(let [roots (root-namespaces @env/*compiler*)]
(all-add-dependencies
roots
(merge
{:output-dir "out"
:optimizations :none}
(:options @env/*compiler*)))))))
(defn json-write-str [arg]
(try
(json/write-str arg)
(catch Throwable t
(when-let [log (resolve 'figwheel.main.logging/info)]
(log "Can't convert to json!!")
(log (pr-str arg))
(log (Throwable->map t)))
(json/write-str ""))))
;; TODO change this to reload_namespace_remote interface
;; I think we only need the meta data for the current symbols
;; better to send objects that hold a namespace and its meta data
;; and have a function that reassembles this on the other side
;; this will allow us to add arbitrary data and pehaps change the
;; serialization in the future
(defn reload-namespace-code [ns-syms]
(str (all-dependency-code ns-syms)
(format "figwheel.core.reload_namespaces(%s,%s)"
(json-write-str (mapv cljs.compiler/munge ns-syms))
(json-write-str (map-keys cljs.compiler/munge (find-figwheel-meta))))))
(defn reload-namespaces [ns-syms]
(let [ns-syms (if (false? (:hot-reload-cljs *config*)) [] ns-syms)
ret (client-eval (reload-namespace-code ns-syms))]
;; currently we are saveing the value of the compiler env
;; so that we can detect if the dependency tree changed
(swap! last-compiler-env assoc env/*compiler* @env/*compiler*)
ret))
;; -------------------------------------------------------------
;; reload clojure namespaces
;; -------------------------------------------------------------
;; keep in mind that you need to reload clj namespaces before cljs compiling
(defn reload-clj-namespaces [nses]
(doseq [ns nses] (require ns :reload))
(when (not-empty nses)
;; we are going to make internal exceptions behave differently
(try
(let [affected-nses (bapi/cljs-dependents-for-macro-namespaces env/*compiler* nses)]
(doseq [ns affected-nses]
(bapi/mark-cljs-ns-for-recompile! ns (output-dir)))
affected-nses)
(catch Throwable t
(throw (ex-info "Error Figwheel.Core's Clojure File reloading" {::internal true} t))))))
(defn reload-clj-files [files]
(reload-clj-namespaces (clj-paths->namespaces files)))
;; -------------------------------------------------------------
;; warnings
;; -------------------------------------------------------------
(defn str-excerpt [code-str start length & [path]]
(cond->
{:start-line start
:excerpt (->> (string/split-lines code-str)
(drop (dec start))
(take length)
(string/join "\n"))}
path (assoc :path path)))
(defn file-excerpt [file start length]
(str-excerpt (slurp file) start length (.getCanonicalPath file)))
(defn warning-info [{:keys [warning-type env extra path]}]
(when warning-type
(let [file (and path (io/file path))
path (if (and (not (string? path)) file)
(str file)
path)
line (:line env)
file-excerpt (when (and file (.isFile file))
(file-excerpt file (max 1 (- line 10)) 20))
message (cljs.analyzer/error-message warning-type extra)]
(cond-> {:warning-type warning-type
:line (:line env)
:column (:column env)
:ns (-> env :ns :name)}
message (assoc :message message)
path (assoc :file path)
file-excerpt (assoc :file-excerpt file-excerpt)))))
(defn warnings->warning-infos [warnings]
(->> warnings
(map warning-info)
not-empty))
(defn compiler-warnings-code [warning-infos]
(format "figwheel.core.compile_warnings_remote(%s);"
(json-write-str warning-infos)))
(defn handle-warnings [warnings]
(when-let [warns (warnings->warning-infos warnings)]
(client-eval (compiler-warnings-code warns))))
(comment
(binding [cljs.env/*compiler* (atom (second (first @last-compiler-env)))]
(let [paths (:paths @scratch)]
(expand-to-dependents (paths->namespaces-to-reload paths))
#_(sources-with-paths paths (:sources @cljs.env/*compiler*))
))
(def x
(first
(filter (comp cljs.analyzer/*cljs-warnings* :warning-type) (:warnings @scratch))))
(:warning-data @scratch)
(count (:parsed-warning @scratch))
(warnings->warning-infos (:warnings @scratch))
(handle-warnings (:warnings @scratch))
)
;; -------------------------------------------------------------
;; exceptions
;; -------------------------------------------------------------
(defn exception-code [parsed-exception]
(let [parsable-data?
(try (some-> parsed-exception :data pr-str edn/read-string)
(catch Throwable t
false))
parsed-exception' (cond-> parsed-exception
(not parsable-data?) (dissoc :data))]
(format "figwheel.core.handle_exception_remote(%s);"
(-> (cond-> parsed-exception'
(:tag parsed-exception')
(update :tag #(string/join "/" ((juxt namespace name) %))))
pr-str
edn/read-string
json-write-str))))
(defn handle-exception [exception-o-throwable-map]
(let [{:keys [file line] :as parsed-ex} (fig-ex/parse-exception exception-o-throwable-map)
file-excerpt (when (and file line (.exists (io/file file)))
(file-excerpt (io/file file) (max 1 (- line 10)) 20))
parsed-ex (cond-> parsed-ex
file-excerpt (assoc :file-excerpt file-excerpt))]
(when parsed-ex
(client-eval
(exception-code parsed-ex)))))
(comment
(require 'figwheel.tools.exceptions-test)
(handle-exception (figwheel.tools.exceptions-test/fetch-exception "(defn"))
)
;; -------------------------------------------------------------
;; listening for changes
;; -------------------------------------------------------------
(defn all-sources [compiler-env]
(concat
(filter :source-file (:sources compiler-env))
(js-dependencies-with-file-urls (:js-dependency-index compiler-env))))
(defn source-file [source-o-js-dep]
(let [f (cond
(:url source-o-js-dep) (io/file (.getFile (:url source-o-js-dep)))
(:source-file source-o-js-dep) (:source-file source-o-js-dep))]
(when (instance? java.io.File f) f)))
(defn sources->modified-map [sources]
(into {}
(comp
(keep source-file)
(map (juxt #(.getCanonicalPath %) #(.lastModified %))))
sources))
(defn sources-modified [compiler-env last-modifieds]
(doall
(keep
(fn [source]
(when-let [file' (source-file source)]
(let [path (.getCanonicalPath file')
last-modified' (.lastModified file')
last-modified (get last-modifieds path 0)]
(when (> last-modified' last-modified)
(vary-meta source assoc ::last-modified last-modified')))))
(all-sources compiler-env))))
(defn sources-modified! [compiler-env last-modified-vol]
(let [modified-sources (sources-modified compiler-env @last-modified-vol)]
(vswap! last-modified-vol merge (sources->modified-map modified-sources))
modified-sources))
(defn start*
([] (start* *config* env/*compiler* cljs.repl/*repl-env*))
([config compiler-env repl-env]
(add-watch
compiler-env
::watch-hook
(let [last-modified (volatile! (sources->modified-map (all-sources @compiler-env)))]
(fn [_ _ o n]
(let [compile-data (-> n meta ::compile-data)]
(when (and (not= (-> o meta ::compile-data) compile-data)
(not-empty (-> n meta ::compile-data)))
(cond
(and (:finished compile-data)
(not (:exception compile-data)))
(binding [env/*compiler* compiler-env
cljs.repl/*repl-env* repl-env
*config* config]
(let [namespaces
(if (contains? compile-data :changed-files)
(paths->namespaces-to-reload (:changed-files compile-data))
(->> (sources-modified! @compiler-env last-modified)
(sources->namespaces-to-reload)))]
(when-let [warnings (not-empty (:warnings compile-data))]
(handle-warnings warnings))
(reload-namespaces namespaces)))
(:exception compile-data)
(binding [env/*compiler* compiler-env
cljs.repl/*repl-env* repl-env
*config* config]
(handle-exception (:exception compile-data)))
;; next cond
:else nil
))))))))
;; TODO this is still really rough, not quite sure about this yet
(defmacro start-from-repl
([]
(start*) nil)
([config]
(start*)
(when config
`(swap! state merge ~config))))
(defn stop
([] (stop env/*compiler*))
([compiler-env] (remove-watch compiler-env ::watch-hook)))
;; -------------------------------------------------------------
;; building
;; -------------------------------------------------------------
(defn notify-on-exception [compiler-env e extra-data]
(doto compiler-env
(swap! vary-meta assoc ::compile-data
{:started (System/currentTimeMillis)})
(swap! vary-meta update ::compile-data
(fn [x]
(merge (select-keys x [:started])
extra-data
{:exception e
:finished (System/currentTimeMillis)})))))
;; TODO should handle case of already having changed files
(let [cljs-build cljs.closure/build]
(defn build
([src opts]
(with-redefs [cljs.closure/build build]
(cljs-build src opts)))
([src opts compiler-env & [changed-files]]
(assert compiler-env "should have a compiler env")
(let [local-data (volatile! {})]
(binding [cljs.analyzer/*cljs-warning-handlers*
(conj cljs.analyzer/*cljs-warning-handlers*
(fn [warning-type env extra]
(when (warning-type cljs.analyzer/*cljs-warnings*)
(vswap! local-data update :warnings
(fnil conj [])
{:warning-type warning-type
:env env
:extra extra
:path ana/*cljs-file*}))))]
(try
(swap! compiler-env vary-meta assoc ::compile-data {:started (System/currentTimeMillis)})
(let [res (cljs-build src opts compiler-env)]
(swap! compiler-env
vary-meta
update ::compile-data
(fn [x]
(merge (select-keys x [:started])
@local-data
(cond-> {:finished (System/currentTimeMillis)}
(some? changed-files) ;; accept empty list here
(assoc :changed-files changed-files)))))
res)
(catch Throwable e
(swap! compiler-env
vary-meta
update ::compile-data
(fn [x]
(merge (select-keys x [:started])
@local-data
{:exception e
:finished (System/currentTimeMillis)})))
(throw e))
(finally
(swap! compiler-env vary-meta assoc ::compile-data {})))))))
;; invasive hook of cljs.closure/build
(defn hook-cljs-closure-build []
(when (and (= cljs-build cljs.closure/build) (not= build cljs.closure/build))
(alter-var-root #'cljs.closure/build (fn [_] build))))
(defmacro hook-cljs-build []
(hook-cljs-closure-build)
nil)
)
(comment
(binding [cljs.env/*compiler* cenv]
(add-dependencies-js 'figwheel.core "out"))
(def cenv (cljs.env/default-compiler-env))
(:cljs.analyzer/namespaces @cenv)
(get-in @cenv [:cljs.analyzer/namespaces 'figwheel.core :defs])
#_(clojure.java.shell/sh "rm" "-rf" "out")
(build "src" {:main 'figwheel.core} cenv)
(binding [cljs.env/*compiler* cenv]
(find-figwheel-meta))
(first (cljs.js-deps/load-library* "src"))
(bapi/cljs-dependents-for-macro-namespaces (atom (first (vals @last-compiler-env)))
'[example.macros])
(swap! scratch assoc :require-map2 (require-map (first (vals @last-compiler-env))))
(def last-modifieds (volatile! (sources->modified-map (all-sources (first (vals @last-compiler-env))))))
(map source-file
(all-sources (first (vals @last-compiler-env))))
(let [compile-env (atom (first (vals @last-compiler-env)))]
(binding [env/*compiler* compile-env]
(paths->namespaces-to-reload [(.getCanonicalPath (io/file "src/example/fun_tester.js"))])
))
(secon (:js-dependency-index (first (vals @last-compiler-env))))
(js-dependencies-with-file-urls (:js-dependency-index (first (vals @last-compiler-env))))
(filter (complement #(or (.startsWith % "goog") (.startsWith % "proto")))
(mapcat :provides (vals (:js-dependency-index (first (vals @last-compiler-env))))))
(map :provides (all-sources (first (vals @last-compiler-env))))
(sources-last-modified (first (vals @last-compiler-env)))
(map source-file )
(js-dependencies-with-file-urls (:js-dependency-index (first (vals @last-compiler-env))))
(distinct (filter #(= "file" (.getProtocol %)) (keep :url (vals ))))
(def save (:files @scratch))
(clj-files->namespaces ["/Users/bhauman/workspace/lein-figwheel/example/src/example/macros.clj"])
(js-dependencies-with-paths save (:js-dependency-index ))
(namespaces-for-paths ["/Users/bhauman/workspace/lein-figwheel/example/src/example/macros.clj"]
(first (vals @last-compiler-env)))
(= (-> @scratch :require-map)
(-> @scratch :require-map2)
)
(binding [env/*compiler* (atom (first (vals @last-compiler-env)))]
#_(add-dependiencies-js 'example.core (output-dir))
#_(all-add-dependencies '[example.core figwheel.preload]
(output-dir))
#_(reload-namespace-code '[example.core])
(find-figwheel-meta)
)
#_(require 'cljs.core)
(count @last-compiler-env)
(map :requires (:sources (first (vals @last-compiler-env))))
(expand-to-dependents (:sources (first (vals @last-compiler-env))) '[example.fun-tester])
(def scratch (atom {}))
(def comp-env (atom nil))
(first (:files @scratch))
(.getAbsolutePath (:source-file (first (:sources @comp-env))))
(sources-with-paths (:files @scratch) (:sources @comp-env))
(invert-deps (:sources @comp-env))
(expand-to-dependents (:sources @comp-env) '[figwheel.client.utils])
(clojure.java.shell/sh "touch" "cljs_src/figwheel_helper/core.cljs")
)
)
)